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Mitsubishi Electric PURY-EP200YLM-A, Service Handbook

The Mitsubishi Electric PURY-EP200YLM-A Service Handbook is an essential manual for users of this high-performance product. Download the comprehensive manual for free from manualshive.com, offering step-by-step instructions and detailed information to ensure optimal efficiency and operation. Get the most out of your Mitsubishi Electric PURY-EP200YLM-A by accessing the user manual today.

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[4-3 Outdoor Unit Electrical Wiring Diagrams ]

- 109 -

HWE1314A

GB

4 

 Elect

rica

l Compone

nt

s 

and 

Wirin

g 

Diag

rams

(2)  PURY-P450, P500YLM-A(1)

PURY-EP400, EP450YLM-A

FT2-N

F101 DC700V 4A

 T

FT2-P

C102

R104~R106

R101~R103

C101

+

+

F121 DC700V 4A

 T

C151,C152

F121 DC700V 4A

 T

C151,C152

RSH01/02

FAN Board

CN3 green

1

3

CONNECT

 Board

5

4

3

2

1

1

1

2

3

CN2A

1

2

3

CN2

M2

CPU power supply circuit

M1

CN332 blue

12

12

X05

X06

3

5

1

6

CN505

1
3

W

V

U

Fan motor (Heat exchanger)

CN4 black

M1

LED1:Normal operation(Lit)

/ Error(Blink)

LED4:CPU in operation

3

IPM

CNVDC

1

CN81 green

CN80

SW001

42

L3

N

2

3

6 5 4 3 2 1

2

1

1

6

OFF

ON

4

1

4

1

7

CNINV

1

4

red

CNPS

1

3

2

1

TP1

TP2

TB3

2

3

CN201 blue

CN4A black

TB7

S

CNAC

5

12

34

CN81 green

5

4

3

1

1

2

LEV5b

M

1

2

3

4

6

1

2

3

4

1 2

6

3

6 5

3
1

CN202 green

3

L1

L2

3
1

3 4

black CN103

Fan motor (Heat exchanger)

U V

W

CNINV

7

1

4

34

1

13

3

SW001

1

4

12

CN2

1

5

1

1

3

4

12

1

3

3
1

43

2

2

3

1

1

CNSNR

M2

TH4

4

4

1

1

1

CN21

1

green

2

3

123

321

SV1a

U

CN83 black

21S4a

Power Source 3N~ 50/60Hz 380/400/415V

5

2

CN104

4

4

1

1

1

3

2

Noise filter

1

2

3

Surge absorber

red

black

MS 3~

2

1

2

3

1

CN6

1

21

MS 3~

3

2

CN82 blue

yellow CNPOW

1

654

X10

ON

X08

X12

X14

X07

X1

1

X13

Unit address setting

CT12

C31,C33, C35,C37

CN5 red

D1

R4

-

Z5

1

3

3

3

5

5

5

1

1

1

6

6

6

white

12

34

3

green CN62

SET

 UP(SW6-10)

LED1 Display setting/ Function setting

CN51

DC12V

Function setting

CN990 green

CN213 green

CNTYP4

F4 AC250V 6.3A

 T

R5

*3 Compressor ON/OFF output Error detection output

CN201

Z25

TH5

TH6

SWU2

LED1

R31,R33, R35

R30,R32, R34

SW6

10

Control Board

TH3

CN40

63HS1

CN41

TH7

1

5

2

3

4

1

SW4

LED3

5

LEV5a

3

3

SC-V

CT22

SC-U

V

+

CN4 blue

red

M

+

OFF

black

CN506

red

CN508

blue

CN509 yellow

CNTYP2 black

6

yellow CN3K

*3

TB21

SV5b

SV4d

SV4c

SV4b

SV4a

CN1A

U

CN2

blue CN3N

+

3

21S4b

TB1

CN1B

TB7 Power selecting connector

CNVDC

1

IPM

2

6

L3

N

DCL

black

72C

white

red

26

ON

OFF

M-NET

 power

supply circuit

1

2

M-NET

 Board

Indoor/Outdoor transmission cable

INV Board

red

TB23

TB24

L2

L1

+

ON

1's digit

THHS

CN102

1

4

1

1

W

10's digit

OFF

LED2:

Normal operation(Lit) / Error(Blink)

CNS2 yellow

CNDC red

red

MS 3~

2

2

C100

*5

LED1:Power supply to

Indoor/Outdoor transmission line

6

black

Central control transmission cable

*6

SC-L1

ON
OFF

FT

-N

Motor

(Compressor)

red CN3S

1

CN04 red

CN43 yellow

1

SC-P2

P

CN61 green

CN202

red

6

N

CN1

1 2

LED1:Normal operation(Lit)

 / Error(Blink)

*4

SC-W

SC-L3

2

CNR

YB

P

63H1

4

1

SW5

10

5

CN3D

1

black CNAC2

1

ON
OFF

10

SWU1

white

CN212

red

SC-L2

3

6

2

CN80

4

CNTYP5

green

LED4:CPU in operation

LED1:Normal operation(Lit)

/ Error(Blink)

5

CN801

red

CNSNR

5

IPM

4

SC-P1

FT

-P

black

C30,C32, C34,C36

red

DB1

CT3

C1

CNTYP black

R1,R5

black

TB22

SWP1

RSH1

R6

C1

1

FAN Board

63LS

ZNR1

U

L

Noise Filter

2

CN507

black

3

3

6

4

SV9

Noise filter

72C

6

7

red

1

2

1

CNL

VA

CNL

VB

red

1

F01 AC250V 3.15A

 T

white

black

1

CNIT red

L1

L2

L3

N

4 1

X09

SV7

*7

5

TH12

2

t°

t°

t°

t°

t°

t°

t°

t°

t°

CNTYP1

black

TH9

1

2

TH1

1

3

1

CN504

SV1

1

3

1

CN503

SV10

RSH01/02

X03

X04

green

yellow

CN1

10

black

1

2

Power failure detection circuit

U

ZNR400

R1,5

Resistor

For inrush current prevention

RSH01/02,RSH1

For current detection

Indoor/Outdoor transmission cable

Linear expansion valve (for the control of evaporating temperature)

Central control transmission cable

Subcooled liquid refrigerant temperature

SV4a,b,c,d

Pipe temperature

Outdoor unit heat exchanger capacity control

SV5b

C30~C37

Capacitor (inverter main circuit)

L

Choke coil (for high frequency noise reduction)

SV1a

Heat exchanger capacity control

21S4a

Symbol

<Symbol explanation>

63H1

63HS1 63LS 72C

21S4b

CT12,CT22,CT3

LEV5a,b

DCL

Solenoid valve

For opening/closing the bypass circuit under the O/S

Heat exchanger capacity control

4-way valve

Explanation

Pressure sensor

Cooling/Heating switching

Pressure switch

High pressure protection for the outdoor unit Discharge pressure Low pressure

Magnetic relay(inverter main circuit)

Current sensor(AC) DC reactor

Z25

THHS

TH7

TH6

TH5

TH4

TH3

TB7

TB3

TB1

SV7,SV9

Thermistor

Discharge pipe temperature ACC inlet pipe temperature

OA

 temperature

IPM temperature

Function setting connector

Power supply

Terminal block

For opening/closing the bypass circuit

*1.Single-dotted lines indicate wiring not supplied    with the unit. *2.Dot-dash lines indicate the control box boundaries. *3.Refer to the Data book for connecting input/output    signal connectors. *4.Daisy-chain terminals (TB3) on the outdoor units in    the same refrigerant system together

.

*5.Faston terminals have a locking function.    Make sure the terminals are securely locked in place    after insertion. Press the tab on the terminals to    removed them. *6.Control box houses high-voltage parts. Before    inspecting the inside of the control box,turn of

f

   the power

, keep the unit of

f for at least 10 minutes,

   and confirm that the voltage between FT

-P

 and FT

-N on

   INV Board has dropped to DC20V or less. *7.Dif

ference of appliance.

P450/500

Model name

*7 do not exist

appliance

EP400/450

*7 exist

SV10,SV1

1

For opening/closing the defrost circuit

TH9,TH1

1,TH12

Heat exchanger outlet pipe temperature

Summary of Contents for PURY-EP200YLM-A

Page 1: ... PURY P200 P250 P300 P350 P400 P450 P500YLM A 1 PURY P400 P450 P500 P550 P600 P650 P700 P750 P800 P850 P900YSLM A 1 PURY EP200 EP250 EP300 EP350 EP400 EP450 EP500YLM A PURY EP500 EP550 EP600 EP650 EP700 EP750 EP800 EP850 EP900YSLM A Model ...

Page 2: ...he performance of the unit or cause certain components of the unit to corrode which can result in refrigerant leakage wa ter leakage injury electric shock malfunc tions smoke or fire Do not try to defeat the safety features of the unit or make unauthorized setting changes Forcing the unit to operate the unit by de feating the safety features of the devices such as the pressure switch or the temper...

Page 3: ...ed for use with food animals plants precision instruments or art work To reduce the risk of water leakage and mal functions do not turn off the power immedi ately after stopping operation Leave the unit turned on for at least 5 minutes before turning off the power Do not install the unit over things that are vulnerable to water damage from condensa tion dripping To reduce the risk of injury electr...

Page 4: ...rigerant leakage and resultant oxygen starvation An installation of a refrigerant gas detector is recommended Any additional parts must be installed by the dealer or qualified personnel Only use the parts specified by Mitsubishi Electric Installation by unauthorized personnel or use of unauthorized parts or accessories may result in water leakage electric shock or fire Take appropriate safety meas...

Page 5: ...igerant leakage and resultant oxygen deprivation use the flare nut that is supplied with the unit or its equiv alent that meets applicable standards To reduce the risk of damage to the unit and resultant refrigerant leakage and oxy gen deprivation tighten flare nuts to a spec ified torque To reduce the risk of oxygen deprivation and gas poisoning check for gas leakage and keep fire sources away In...

Page 6: ...ce the risk of current leakage over heating smoke or fire use properly rated cables with adequate current carrying ca pacity Proper grounding must be provided by a li censed electrician Do not connect the grounding wire to a gas pipe water pipe lightning rod or telephone wire Improper grounding may result in electric shock smoke fire or malfunction due to electrical noise interference To reduce th...

Page 7: ...y cause the refrigerant oil in the new system to deteriorate or damage the compressor To reduce the risk of the vacuum pump oil backflowing into the refrigerant cycle and causing the refrigerant oil to deteriorate use a vacuum pump with a check valve Have a set of tools for exclusive use with R410A Consult your nearest Mitsubishi Electric Dealer Keep dust dirt and water off charging hose and flare...

Page 8: ...rged Refrigerant over charge or undercharge may result in perfor mance drop or abnormal stop of operation To reduce the risk of power capacity short age always use a dedicated power supply circuit To reduce the risk of both the breaker on the product side and the upstream breaker from tripping and causing problems split the power supply system or provide protection coordination between the earth l...

Page 9: ...viii ...

Page 10: ...r Refrigerant Circuit Diagrams 85 3 7 Functions of the Major Components of BC Controller 88 Chapter 4 Electrical Components and Wiring Diagrams 4 1 Outdoor Unit Circuit Board Arrangement 95 4 2 Outdoor Unit Circuit Board Components 99 4 3 Outdoor Unit Electrical Wiring Diagrams 108 4 4 Transmission Booster Electrical Wiring Diagrams 111 4 5 BC Controller Circuit Board Arrangement 112 4 6 BC Contro...

Page 11: ...05 8 4 Checking Transmission Waveform and for Electrical Noise Interference 310 8 5 Pressure Sensor Circuit Configuration and Troubleshooting Pressure Sensor Problems 313 8 6 Troubleshooting Solenoid Valve Problems 315 8 7 Troubleshooting Outdoor Unit Fan Problems 321 8 8 Troubleshooting LEV Problems 322 8 9 Troubleshooting Problems with Major Components on BC Controller 326 8 10 Troubleshooting I...

Page 12: ...Oil 5 1 2 1 Piping Materials 5 1 2 2 Storage of Piping Materials 7 1 2 3 Pipe Processing 7 1 2 4 Characteristics of the New and Conventional Refrigerants 8 1 2 5 Refrigerant Oil 9 1 3 Working with Refrigerant Piping 10 1 3 1 Pipe Brazing 10 1 3 2 Air Tightness Test 11 1 3 3 Vacuum Drying 12 1 3 4 Refrigerant Charging 14 1 4 Precautions for Wiring 15 1 5 Cautionary notes on installation environment...

Page 13: ... 2 HWE1314A GB ...

Page 14: ...ls refer to the following page s 1 1 2 Tool Preparation page 4 5 Verification of the connecting pipes Verify the type of refrigerant used for the unit to be moved or replaced Use refrigerant pipes made of phosphorus deoxidized copper Keep the inner and outer surfaces of the pipes clean and free of such contaminants as sulfur oxides dust dirt shaving particles oil and water These types of contamina...

Page 15: ...type is indicated The cylinder is pink Charging Port on the Refrigerant Cylinder Refrigerant charging The charge port diameter is larger than that of the current port Flare Nut Connection of the unit with the pipes Use Type 2 Flare nuts Tools Materials Use Notes Gas Leak Detector Gas leak detection The ones for use with HFC refrigerant may be used Vacuum Pump Vacuum drying May be used if a check v...

Page 16: ...ss may not be used Annealed pipes have been used for older model units when a diameter of the pipe is up to φ19 05 3 4 For a system that uses R410A use pipes that are made with 1 2H material Drawn Annealed pipes may be used for pipes with a diameter of φ19 05 3 4 and a radial thickness of 1 2 t The figures in the radial thickness column are based on the Japanese standards and provided only as a re...

Page 17: ...must be between 1 0 and 1 5 mm For margin adjustment a copper pipe gauge is necessary 6 Flare nut The flare nut type has been changed to increase the strength The size of some of the flare nuts have also been changed The figures in the radial thickness column are based on the Japanese standards and provided only as a reference Use pipes that meet the local standards Flare processing dimensions mm ...

Page 18: ...of the pipes should be sealed until just before brazing Keep elbow pipes and T joints in plastic bags The new refrigerator oil is 10 times as hygroscopic as the conventional refrigerating machine oil such as Suniso and if not handled with care could easily introduce moisture into the system Keep moisture out of the pipes for it will cause the oil to deteriorate and cause a compressor failure 1 2 3...

Page 19: ...erant does not need to be replaced 3 Pressure characteristics The pressure in the system using R410A is 1 6 times as great as that in the system using R22 New Refrigerant HFC type Conventional Refriger ant HCFC type R410A R407C R22 R32 R125 R32 R125 R134a R22 Composition wt 50 50 23 25 52 100 Type of Refrigerant Pseudo azeotropic Refrigerant Non azeotropic Refrigerant Single Refrigerant Chloride N...

Page 20: ...Ester oil R410A Ester oil 1 Contaminants is defined as moisture air processing oil dust dirt wrong types of refrigerant and refrigerating machine oil Cause Symptoms Effects on the refrigerant cycle Water infiltration Frozen expansion valve and capillary tubes Clogged expansion valve and capillary tubes Poor cooling performance Compressor overheat Motor insulation failure Burnt motor Coppering of t...

Page 21: ...res no flux when brazing between copper pipes or between a copper pipe and copper coupling If installed refrigerant pipes are not immediately connected to the equipment then braze and seal both ends 2 Reasons The new refrigerating machine oil is 10 times as hygroscopic as the conventional oil and is more likely to cause unit failure if water infiltrates into the system Flux generally contains chlo...

Page 22: ...e variations into account Refrigerant R410A must be charged in its liquid state vs gaseous state 2 Reasons Oxygen if used for an air tightness test poses a risk of explosion Only use nitrogen to check air tightness Refrigerant R410A must be charged in its liquid state If gaseous refrigerant in the cylinder is drawn out first the composition of the remaining refrigerant in the cylinder will change ...

Page 23: ...thorough vacuum drying re moves moisture in the pipes Verify that the vacuum degree has not risen by more than 1Torr 130Pa 1hour after evacuation A rise by less than 1Torr 130Pa is acceptable If the vacuum is lost by more than 1Torr 130Pa conduct evacuation following the instructions in section 6 Special vacuum drying 5 Procedures for stopping vacuum pump To prevent the reverse flow of vacuum pump...

Page 24: ... to apply a vacuum through the check joints at the refrigerant service valve on the high and low pressure sides BV1 and 2 and also through the check joints on the high and low pressure sides CJ1 and 2 To evacuate air only from the outdoor units Apply a vacuum through the check joints on the high and low pressure sides CJ1 and 2 To evacuate air from the indoor units and extension pipes Apply a vacu...

Page 25: ...igerant will change and be come unsuitable for use 2 Notes When using a cylinder with a siphon refrigerant is charged in the liquid state without the need for turning it upside down Check the type of the cylinder on the label before use If the refrigerant leaks out it may be replenished The entire refrigerant does not need to be replaced Charge refrigerant in the liquid state Refer to the followin...

Page 26: ...elow 20 VDC When a system controller is connected to the centralized control transmission cable to which power is supplied from the out door unit power jumper on the outdoor unit is connected to CN40 be aware that power can be supplied to the centralized control transmission and the system controller may detect an error and send an error notice if the outdoor unit fan is rotated by external forces...

Page 27: ...he screw mark a line through the screw head washer and terminals with a permanent marker Example Poor contact caused by loose screws may result in overheating and fire Continued use of the damaged circuit board may cause overheating and fire Daisy chain Power supply terminal block indoor outdoor transmission line terminal block and centralized controller transmission line Mark a line Place the rou...

Page 28: ...d minimize the exposure to salt water mist 2 Avoid installing a sun shade over the outdoor unit so that rain will wash away salt deposits off the unit 3 Install the unit horizontally to ensure proper water drainage from the base of the unit Accumulation of water in the base of the outdoor unit will significantly accelerate corrosion 4 Periodically wash salt deposits off the unit especially when th...

Page 29: ... 1 5 Cautionary notes on installation environment and maintenance 18 HWE1314A GB ...

Page 30: ...matic Indoor Outdoor Address Startup 34 2 7 2 Single Refrigerant System with Two or More LOSSNAY Units 36 2 7 3 Grouped Operation of Units in Separate Refrigerant Circuits 38 2 7 4 System with a Connection of System Controller to Centralized Control Transmission Line 40 2 7 5 System with a Connection of System Controller to Indoor Outdoor Transmission Line 42 2 7 6 System with Multiple BC Controll...

Page 31: ... 20 HWE1314A GB ...

Page 32: ... capacity of the outdoor unit whenever possible Outdoor units Composing units Maximum total ca pacity of connect able indoor units Maximum number of connectable in door units Types of connect able indoor units P200 YLM A 1 100 300 20 P15 P250 models R410A series in door units P250 YLM A 1 125 375 25 P300 YLM A 1 150 450 30 P350 YLM A 1 175 525 35 P400 YLM A 1 200 600 40 P400 YSLM A 1 P200YLM A 1 P...

Page 33: ... possible Outdoor units Composing units Maximum total ca pacity of connect able indoor units Maximum number of connectable in door units Types of connect able indoor units EP200 YLM A 100 300 20 P15 P250 models R410A series in door units EP250 YLM A 125 375 25 EP300 YLM A 150 450 30 EP350 YLM A 175 525 35 EP400 YLM A 200 600 40 EP450 YLM A 225 675 45 EP500 YLM A 250 750 50 EP500 YSLM A EP250YLM A ...

Page 34: ...er page 34 2 8 Example System with an ME Remote Controller page 48 2 9 Example System with an MA and an ME Remote Controller page 50 Types and maximum allowable length of cables Control lines are categorized into 2 types transmission line and remote controller line Use the appropriate type of cables and observe the maximum allowable length specified for a given system If a given system has a long ...

Page 35: ...f capacity from large to small if two or more units have the same capacity in the order of address from small to large 3 Turn off the power to all the outdoor units in the same refrigerant circuit 4 When a PAR 31MAA is connected to a group no other MA remote controllers can be connected to the same group 4 When setting the switch SW4 of the control board set it with the outdoor unit power on Refer...

Page 36: ... a sub BC controller make the settings for the indoor units in the following order i Indoor unit to be connected to the main BC controller ii Indoor unit to be connected to sub BC controller 1 iii Indoor unit to be connected to sub BC controller 2 Make the settings for the indoor units in the way that the for mula i ii iii is true 00 M NET adapter M NET con trol interface Free Plan adapter LOSSNAY...

Page 37: ...s within the range listed on the left to each unit 202 Central controller AE 200 AG 150A GB 50ADA G B 50A TR SC 0 201 to 250 Assign an arbitrary but unique address within the range listed on the left to each unit The address must be set to 0 to con trol the K control unit 000 LM adapter SC 201 to 250 Assign an arbitrary but unique address within the range listed on the left to each unit 247 System...

Page 38: ... is restored after a power failure 2 Not applicable to units with a built in drain pump or humidifier 3 Models with a built in drain pump cannot be turned on off by the plug individually All the units in the same refrigerant cir cuits will be turned on or off by the plug 4 Requires that the dipswitch settings for all the units in the group be made 5 To control the external input to and output from...

Page 39: ...l not go into operation when the contact receives signal input 8 When using a base heater change the setting using SW4 When using a base heater error output will not be available Type Usage Function Terminal to be used 1 Option Input Prohibiting cooling heating operation thermo OFF by an external input to the outdoor unit It can be used as the DEMAND control device for each system DEMAND level CN3...

Page 40: ...DC15V Contact rating current 0 1A Minimum applicable load 1mA at DC Relay circuit 3 CN3N 2 Optional part PAC SC36NA E or field supply Preparations in the field OFF Cooling ON Heating Normal Y OFF ON X Contact rating voltage DC15V Contact rating current 0 1A Minimum applicable load 1mA at DC X Cooling Heating Y Validity Invalidity of X X Y Relay CN3N X Y Relay circuit Outdoor unit control board Max...

Page 41: ... E or field supply X Energy saving mode command X Relay Contact rating voltage DC15V Contact rating current 0 1A Minimum appicable load 1mA at DC X CN3K Preparations in the field Maximum cable length is 10m Outdoor unit control board 3 2 1 Relay circuit External input adapter 2 ...

Page 42: ...ctual capacity 5 Notes on using demand control in combination with the low noise mode To enable the low noise mode it is necessary to short circuit 1 2 pin of CN3D on the outdoor unit whose SW6 8 is set to OFF When SW6 8 is set to ON on all outdoor units the following operations cannot be performed Performing 4 step demand in combination with the low noise operation in a single outdoor unit system...

Page 43: ...th multiple outdoor units NO Manual address setup 4 System with one out door unit With connection to transmission line for centralized control Manual address setup 5 System with one out door unit With connection to indoor outdoor transmission line Manual address setup 6 System with one out door unit With connection to transmission line for centralized control Manual address setup Connection of mul...

Page 44: ... 2 6 System Connection Example 33 HWE1314A GB 2 Restrictions ...

Page 45: ...n about connecting two or more LOSSNAY units to a system refer to the following page s 2 7 2 Sin gle Refrigerant System with Two or More LOSSNAY Units page 36 3 Maximum allowable length 1 Indoor outdoor transmission line Maximum distance 1 25mm2 AWG16 or larger L1 L2 L3 L4 L5 200m 656ft L1 L2 L3 L11 L12 L13 200m 656ft 2 Transmission line for centralized control No connection is required 3 MA remot...

Page 46: ...terminal block TB15 on the in door unit on one end to the terminal block on the MA re motecontroller Non polarized two wire When performing a group operation of indoor units that have different functions Automatic indoor outdoor ad dresssetup is not available 4 LOSSNAY connection Connect terminals M1 and M2 on the terminal block TB5 on the indoor unit IC to the appropriate ter minals on the termin...

Page 47: ... 3 Maximum allowable length 1 Indoor outdoor transmission line Same as 2 7 1 2 Transmission line for centralized control No connection is required 3 MA remote controller wiring Same as 2 7 1 L3 BC 53 OC 51 TB7 S TB3 TB02 S IC TB5 S TB15 1 2 01 IC TB5 S TB15 1 2 02 A1 B2 MA A1 B2 MA LC TB5 S 05 IC TB5 S 1 2 TB15 IC TB5 S TB15 1 2 04 03 LC TB5 S 06 A1 B2 MA If the BC address overlaps any of the addr...

Page 48: ...cending order of capacity ascending order of address if the capacities are the same Proce dures Unit or controller Address setting range Setting method Notes Fac tory set ting 1 Indoor unit Main unit IC 01 to 50 Assign the smallest address to the main unit in the group In a system with a sub BC controller make the settings for the indoor units in the following order i Indoor unit to be connected t...

Page 49: ... Refer to the DATABOOK for further information about how many booster units are required for a given system 3 Maximum allowable length 1 Indoor outdoor transmission line Maximum distance 1 25mm2 AWG16 or larger L11 L12 200m 656ft L21 L22 200m 656ft 2 Transmission line for centralized control L31 L21 200m 656ft 3 MA remote controller wiring Same as 2 7 1 4 Maximum line distance via outdoor unit 1 2...

Page 50: ...frigerant circuit are automatically designated as OC and OS They are designated as OC and OS in the descending order of capacity ascending order of address if the capacities are the same Proce dures Unit or controller Address setting range Setting method Notes Fac tory set ting 1 Indoor unit Main unit IC 01 to 50 Assign the smallest address to the main unit in the group In a system with a sub BC c...

Page 51: ...ional indoor units can be connected Refer to the DATABOOK for further information about how many booster units are required for a given system 7 When a power supply unit is connected to the transmission line for centralized control leave the power jumper connec tor on CN41 as it is factory setting 3 Maximum allowable length 1 Indoor outdoor transmission line Same as 2 7 3 2 Transmission line for c...

Page 52: ...ontroller for the setting method Interlock set ting from the remote controller is required if the ON OFF re mote controller alone or the LM adapter alone is connected 5 Switch setting Address setting is required as follows 5 Address setting method The outdoor units in the same refrigerant circuit are automatically designated as OC and OS They are designated as OC and OS in the descending order of ...

Page 53: ...ollers For each BC con troller that is subtracted from the above mentioned system two ad ditional indoor units can be connected Refer to the DATABOOK for further information about how many booster units are required for a given system 3 Maximum allowable length 1 Indoor outdoor transmission line Maximum distance 1 25mm2 AWG16 or larger L11 L12 200m 656ft L21 L22 200m 656ft L25 200m 656ft 2 Transmi...

Page 54: ...nits IC to the appropriate terminals on the terminal block for indoor outdoor transmission line TB5 on LOSSNAY LC Non po larized two wire Indoor units must be interlocked with the LOSSNAY unit using the system controller Refer to the operation manual for the system controller for the setting method Interlock setting from the remote controller is required if the ON OFF remote controller alone is co...

Page 55: ...nsmission line for centralized control L31 L32 L21 200m 656ft 3 MA remote controller wiring Maximum overall line length 0 3 to 1 25mm2 AWG22 to 16 m1 200m 656ft m2 m3 200m 656ft 4 Maximum line distance via outdoor unit 1 25mm2 AWG16 or larger L32 L31 L12 L11 500m 1640ft L32 L22 L21 500m 1640ft L12 L11 L31 L22 L21 500m 1640ft L11 L21 OC TB3 TB7 S 51 L31 A B S L32 OS TB3 TB7 M1M2 S 52 OC TB3 TB7 S 5...

Page 56: ...N41 to CN40 on only one of the outdoor units When connecting a system controller set the centralized control switch SW5 1 on the control board of all indoor units to ON b If TB7 s on the outdoor units in the same refrigerant cir cuit are not daisy chained connect the transmission line for the central control system to TB7 of the OC Note a To maintain the central control even during an OC fail ure ...

Page 57: ... 2 LOSSNAY LC 01 to 50 Assign an arbitrary but unique address to each of these units after assigning an address to all indoor units None of these addresses may overlap any of the indoor unit ad dresses 00 3 MA remote control ler Main re mote controller MA No set tings re quired Make the same indoor unit group settings with the system controller as the ones that were made with the MA remote control...

Page 58: ... 2 7 Example System with an MA Remote Controller 47 47 HWE1314A GB 2 Restrictions ...

Page 59: ...ion line for centralized control Same as 2 7 4 3 ME remote controller wiring Maximum overall line length 0 3 to 1 25mm2 AWG22 to 16 m1 10m 32ft m2 m3 10m 32ft If the standard supplied cable must be extended use a cable with a diameter of 1 25mm2 AWG16 The section of the cable that exceeds 10m 32ft must be included in the maximum indoor outdoor transmission line distance described in 1 When connect...

Page 60: ...the way that the formula i ii iii is true Port number setting is required To perform a group op eration of indoor units that have different func tions set the indoor unit in the group with the greatest number of functions as the main unit 00 Sub unit Assign sequential numbers starting with the address of the main unit in the same group 1 Main unit address 1 main unit address 2 main unit address 3 ...

Page 61: ... table shows the number of transmission boosters that is required by the system with three BC controllers For each BC controller that is subtracted from the above mentioned system two additional indoor units can be connected Refer to the DATABOOK for further information about how many booster units are required for a given system 10 When a power supply unit is connected to the transmis sion line f...

Page 62: ...larger Same as 2 7 4 4 Wiring method 1 Indoor outdoor transmission line Same as 2 7 2 Shielded cable connection Same as 2 7 2 2 Transmission line for centralized control Same as 2 7 4 Shielded cable connection Same as 2 7 4 3 MA remote controller wiring When 2 remote controllers are connected to the system Group operation of indoor units Same as 2 7 1 4 ME remote controller wiring When 2 remote co...

Page 63: ...n unit in the group Assign an address higher than those of the indoor units that are connected to the MA remote controller Make the initial settings for the indoor unit group settings via the system con troller To perform a group operation of indoor units that have different functions des ignate the indoor unit in the group with the greatest number of functions as the main unit Port number setting...

Page 64: ...nit BC controller Reducer P15 P50 models Supplied with the BC Controller B d c Junction pipe CMY R160 J1 Use a main BC controller when connecting the outdoor units of P400 EP400 models or above Branch joint CMY Y102S G2 Indoor Indoor Indoor Indoor P15 P80 models P100 P250 models Maximum of 3 units per port Total capacity of P80 or below Unit m ft Operation Pipe sections Allowable length of pipes L...

Page 65: ...0 60 70 0 5 10 15 Piping length between the main BC controller and indoor units m ft Vertical separation between the main BC controller and indoor units m ft The height difference and the pipe length between BC controller and indoor units 32 16 32 49 64 98 131 164 196 229 ...

Page 66: ...he restrictions on the vertical separation and piping length on the next page Height differ ence Between indoor and outdoor units Outdoor unit above in door unit H 50 164 or less Outdoor unit below in door unit H 40 131 or less Between indoor unit and BC controller h1 15 49 10 32 or less 2 2 When the capacity of the connected indoor units is P200 or above use the figures in the parentheses as a re...

Page 67: ...odels of indoor units and other models of indoor units at the same port 6 Group the indoor units together that connected to the same port if multiple indoor units are connected to the same port on BC controller Also share one thermo stat such as on remote controller so that they turn on off at the same time 7 The maximum capacity of the indoor units that is connectable to the CMB P V GB1 types of ...

Page 68: ...ressure side the twinning kit connects to the pipes on site inside the outdoor unit When different capacity units are combined connect the kit to the larger capacity outdoor unit a C b B c d A G F h4 Outdoor unit 1 Outdoor unit 2 H H h1 BC controller main Indoor Indoor Indoor Indoor Indoor Indoor BC controller sub BC controller sub Branch joint CMY Y202 G2 CMY Y102L G2 CMY Y102S G2 Branch joint CM...

Page 69: ...640 1312 984 656 Aggregate length of all pipes m ft Pipe length between outdoor unit and BC controller m ft Aggregate length of all pipes m ft Pipe length between outdoor unit and BC controller m ft 1000 900 800 700 600 500 400 300 200 10 20 30 40 50 60 70 80 90 100 110 32 64 98 131 164 196 229 262 295 328 360 3280 2952 2624 2296 1968 1640 1312 984 656 Aggregate length of all pipes m ft Pipe lengt...

Page 70: ... E P300 ø19 05 3 4 ø22 2 7 8 E P350 ø19 05 3 4 ø28 58 1 1 8 E P400 ø22 2 7 8 ø28 58 1 1 8 E P450 ø22 2 7 8 ø28 58 1 1 8 E P500 ø22 2 7 8 ø28 58 1 1 8 E P550 ø28 58 1 1 8 ø28 58 1 1 8 E P600 ø28 58 1 1 8 ø28 58 1 1 8 E P650 ø28 58 1 1 8 ø28 58 1 1 8 E P700 ø28 58 1 1 8 ø34 93 1 3 8 E P750 ø28 58 1 1 8 ø34 93 1 3 8 E P800 ø28 58 1 1 8 ø34 93 1 3 8 E P850 ø28 58 1 1 8 ø41 28 1 5 8 E P900 ø28 58 1 1 8...

Page 71: ...ion ø22 2 7 8 Brazed connection E P350 ø19 05 3 4 Brazed connection ø28 58 1 1 8 Brazed connection Indoor unit side ø9 52 3 8 Brazed connection ø15 88 5 8 Brazed connection Indoor Indoor Indoor Indoor Indoor Indoor BC controller Maximum of 3 units per port Total capacity of P80 or below All units connected to the same port must be in the same operating mode Branch joint Model name CMY Y102S G2 Opt...

Page 72: ... optional accessory Refrigerant pipe selection size of the pipes in sections A and B in the figure above Select the proper size pipes based on the total capacity of the downstream indoor units using the table below as a reference Unit mm inch Total capacity of indoor units Liquid pipe Gas pipe P140 or below ø9 52 3 8 ø15 88 5 8 P141 P200 ø9 52 3 8 ø19 05 3 4 P201 P250 ø9 52 3 8 ø22 2 7 8 Liquid pi...

Page 73: ... pipe selection size of the pipes in sections A and B in the figure above Select the proper based on the total capacity of the downstream indoor units using the table below as a reference Unit mm inch Total capacity of indoor units Liquid pipe Gas pipe P140 or below ø9 52 3 8 ø15 88 5 8 P141 P200 ø9 52 3 8 ø19 05 3 4 P201 P250 ø9 52 3 8 ø22 2 7 8 A B Indoor Indoor Indoor P50 model or below P63 P80...

Page 74: ...ection ø28 58 1 1 8 Brazed connection E P500 ø22 2 7 8 Brazed connection ø28 58 1 1 8 Brazed connection E P550 ø28 58 1 1 8 Brazed connection ø28 58 1 1 8 Brazed connection E P600 ø28 58 1 1 8 Brazed connection ø28 58 1 1 8 Brazed connection E P650 ø28 58 1 1 8 Brazed connection ø28 58 1 1 8 Brazed connection E P700 ø28 58 1 1 8 Brazed connection ø34 93 1 3 8 Brazed connection E P750 ø28 58 1 1 8 ...

Page 75: ...acity of indoor units Liquid pipe Gas pipe P140 or below ø9 52 3 8 ø15 88 5 8 P141 P200 ø9 52 3 8 ø19 05 3 4 P201 P250 ø9 52 3 8 ø22 2 7 8 A B Indoor Indoor Indoor P50 model or below P63 P80 models P100 P250 models Note 2 Junction pipe kit Model name CMY R160 J1 Optional accessory BC controller sub To Main BC controller Connection Brazed connection Note 1 Reducer Standard supplied parts Maximum of...

Page 76: ... Unit 67 3 1 2 Outdoor Unit Refrigerant Circuits 69 3 2 Outdoor Unit Refrigerant Circuit Diagrams 75 3 3 Functions of the Major Components of Outdoor Unit 78 3 4 Functions of the Major Components of Indoor Unit 81 3 5 External Appearance and Refrigerant Circuit Components of BC Controller 82 3 6 BC Controller Refrigerant Circuit Diagrams 85 3 7 Functions of the Major Components of BC Controller 88...

Page 77: ... 66 HWE1314A GB ...

Page 78: ... Functions and Refrigerant Circuits 3 1 External Appearance and Refrigerant Circuit Components of Outdoor Unit 3 1 1 External Appearance of Outdoor Unit 1 PURY EP200 EP250 EP300 EP350YLM A PURY P200 P250 P300 P350 P400YLM A 1 Fan guards Fan guards Fan Fan Heat exchanger Heat exchanger Front panels Front panels Fin guard Fin guard Side panel Side panel Control box Control box ...

Page 79: ...door Unit 68 HWE1314A GB 2 PURY EP400 EP450 EP500YLM A PURY P450 P500YLM A 1 Fan box Fan box Fan guards Fan guards Fans Fans Control box Control box Heat exchanger Heat exchanger Front panels Front panels Fin guard Fin guard Side panel Side panel Side panel Side panel ...

Page 80: ...lve CV7a 4 way valve 21S4a Solenoid valve SV11 Solenoid valve SV10 Solenoid valve SV9 Solenoid valve SV5b Low pressure check joint Low pressure check joint CJ2 High pressure check joint High pressure check joint CJ1 Refrigerant service valve on the high pressure side BV2 Refrigerant service valve on the low pressure side BV1 Solenoid valve block SV4a SV4d SV4b Linear expansion valve LEV5a Low pres...

Page 81: ...ve CV5a Solenoid valve SV5b Refrigerant service valve on the high pressure side BV2 Refrigerant service valve on the low pressure side BV1 Check valve CV6a Check valve CV3a Check valve CV9a Check valve CV8a Check valve CV2a Check valve CV4a Solenoid valve block SV4a SV4d SV4b Linear expansion valve LEV5a Accumulator Oil separator Compressor Solenoid valve SV1a Compressor cover High pressure sensor...

Page 82: ...Check valve CV2a Check valve CV2b Check valve CV3a Check valve CV5b Refrigerant service valve on the high pressure side BV2 Refrigerant service valve on the low pressure side BV1 Solenoid valve block SV4a SV4d SV4b Linear expansion valve LEV5a Linear expansion valve LEV5b Accumulator Solenoid valve SV1a Solenoid valve SV5b Oil separator Compressor Compressor cover Low pressure check joint Low pres...

Page 83: ...V9a Check valve CV8a Check valve CV2a Low pressure sensor 63LS High pressure check joint High pressure check joint CJ1 Low pressure check joint Low pressure check joint CJ2 Solenoid valve SV5b Refrigerant service valve on the high pressure side BV2 Refrigerant service valve on the low pressure side BV1 Refrigerant service valve on the low pressure side for separately sold unit BV3 Accumulator Line...

Page 84: ...Low pressure check joint Low pressure check joint CJ2 Solenoid valve SV5b Solenoid valve SV1a Solenoid valve SV7 Solenoid valve SV9 Solenoid valve SV10 Refrigerant service valve on the high pressure side BV2 Refrigerant service valve on the low pressure side for separately sold unit BV3 Refrigerant service valve on the low pressure side BV1 Solenoid valve block SV4b Solenoid valve block SV4d Solen...

Page 85: ...alve CV2a Check valve CV8a Check valve CV3a Check valve CV4a Refrigerant service valve on the high pressure side BV2 Linear expansion valve LEV5a Linear expansion valve LEV5b Refrigerant service valve on the low pressure side for separately sold unit BV3 Solenoid valve block SV4a SV4b SV4d Refrigerant service valve on the low pressure side BV1 Low pressure sensor 63LS Accumulator Oil separator Com...

Page 86: ...4a ST1 63LS BV1 CV8a CV6a TH7 TH9 TH11 TH3 SV4a SV4b SV4d Solenoid valve block ACC ST6 ST7 ST17 TH5 TH6 CV9a SV9 SV11 SV10 CV4a CV2a CV7a CV3a CV5 CJ1 SV5b ST18 HEX 63HS1 63H1 ST3 CP1 SV1a LEV5a 1 1 CP3 CP2 CP4 CP5 O S TH4 CJ2 BV2 COMP 21S4a ST1 63LS BV1 CV8a CV6a TH7 TH9 TH11 TH3 SV4a SV4b SV4d Solenoid valve block ACC ST6 ST7 ST17 TH5 TH6 CV9a SV9 SV11 SV10 CV4a CV2a CV7a CV3a CV5 CJ1 SV5b ST18 ...

Page 87: ...CV6b ACC ST6 ST7 CJ2 63LS TH5 ST17 63HS1 63H1 SV9 SV10 CP4 CP2 SV4d CV2b TH7 TH9 TH11 TH6 HEX HEX ST3 CP1 SV1a LEV5a LEV5b 1 1 CP3 SV5b CJ1 ST18 SV11 Solenoid valve block O S L S TH4 CJ2 BV2 COMP 21S4a ST1 63LS BV1 CV8a CV6a TH7 TH9 TH11 TH3 SV4a SV4b SV4d ACC ST6 ST7 ST17 TH5 TH6 CV9a CV4a CV2a CV7a CV3a CV5a BV3 SV5b ST18 HEX 63HS1 63H1 CJ1 ST3 CP1 CP5 CP4 CP2 SV1a LEV5a 1 1 CP3 SV11 SV10 SV7 SV...

Page 88: ...d ACC ST6 ST7 ST17 TH5 TH6 CV9a CV4a CV2a CV7a CV3a CV5a BV3 SV5b ST18 HEX 63HS1 63H1 CJ1 ST3 CP1 CP5 CP4 CP2 SV1a LEV5a 1 1 CP3 SV11 SV10 SV7 SV9 ST8 Solenoid valve block O S TH4 BV2 COMP 21S4a 21S4b ST1 BV1 BV3 CV8 CV5a CV4a CV3a CV2a CV6a CV7a TH3 TH12 SV4a SV7 SV4b SV4c CV7b CV5b CV4b CV6b ACC ST6 ST7 CJ2 63LS TH5 ST17 63HS1 63H1 SV9 SV10 CP4 CP2 SV4d CV2b TH7 TH9 TH11 TH6 HEX HEX ST3 CP1 SV1a...

Page 89: ...e protec tion Low pres sure sensor 63LS 1 Detects low pressure 2 Provides low pressure pro tection Pres sure switch 63H1 1 Detects high pressure 2 Provides high pressure pro tection 4 15MPa 601psi OFF set ting Thermis tor TH4 Discharge 1 Detects discharge air temper ature 2 Provides high pressure pro tection Degrees Celsius Resistance check 0 C 32 F 698 kΩ 10 C 50 F 413 kΩ 20 C 68 F 250 kΩ 30 C 86...

Page 90: ... C 212 F 3 3 kΩ Sole noid valve SV1a Discharge suc tion bypass 1 High low pressure bypass at start up and stopping and capacity control during low load operation 2 High pressure rise preven tion AC220 240V Open while being powered closed while not being pow ered Continuity check with a tester SV4a SV4d Heat exchanger capacity control Controls outdoor unit heat ex changer capacity SV5b Heat exchang...

Page 91: ... yellow red and blue 4 way valve 21S4a Changeover between heating and cooling AC220 240V Dead cooling cycle Live heating cycle Continuity check with a tester 21S4b P450 P500 EP400 EP500 models only Fan mo tor FAN motor 1 2 FAN motor 2 is only on the P450 P500 EP400 EP500 models Regulates the heat exchanger ca pacity by adjusting the operating frequency and operating the pro peller fan based on the...

Page 92: ...n white red and or ange Continuity between yellow brown and blue Thermis tor TH1 Suction air tem perature Indoor unit control Thermo 0 C 32 F 15 kΩ 10 C 50 F 9 7 kΩ 20 C 68 F 6 4 kΩ 25 C 77 F 5 3 kΩ 30 C 86 F 4 3 kΩ 40 C 104 F 3 1 kΩ Resistance check TH2 Pipe tempera ture 1 Indoor unit control Frost prevention Hot adjust 2 LEV control during heat ing operation subcool detection TH3 Gas pipe tem pe...

Page 93: ...WE1314A GB 3 5 External Appearance and Refrigerant Circuit Components of BC Controller 1 CMB P V G1 GA1 HA1 1 Front 2 Rear view G1 type Liquid pipe Indoor unit side Gas pipe Indoor unit side TH12 TH15 TH16 TH11 SVM1 LEV1 LEV3 PS1 PS3 Tube in tube heat exchanger Gas Liquid separator ...

Page 94: ...omponents Their Functions and Refrigerant Circuits 3 Rear view GA1 type 4 Rear view HA1 type TH12 TH15 TH16 TH11 SVM2 SVM1 LEV1 LEV3 LEV2 PS1 PS3 Tube in tube heat exchanger Gas Liquid separator Gas Liquid separator LEV3 LEV1 SVM2 SVM2b SVM1b SVM1 TH16 TH15 TH12 TH11 PS1 PS3 Tube in tube heat exchanger ...

Page 95: ... 3 5 External Appearance and Refrigerant Circuit Components of BC Controller 84 HWE1314A GB 2 CMB P V GB1 HB1 1 Front 2 Rear view Liquid pipe Indoor unit side Gas pipe Indoor unit side TH15 TH12 LEV3 ...

Page 96: ...WE1314A GB 3 Major Components Their Functions and Refrigerant Circuits 3 6 BC Controller Refrigerant Circuit Diagrams 1 CMB P104 P1016V G1 TH15 TH12 LEV3 LEV1 TH16 PS3 PS1 TH11 SVM1 Gas Liquid separator Check valve block Solenoid valve block SVC SVA SVB ...

Page 97: ... P108 P1010 P1013 P1016V GA1 main 3 CMB P104 P108V GB1 sub TH15 HIC B HIC A TH12 LEV3 SVM2 LEV1 LEV2 TH16 PS3 PS1 TH11 SVM1 Solenoid valve block Check valve block Gas Liquid separator SVC SVA SVB TH15 TH12 HIC C CP LEV3 Check valve block Solenoid valve block SVC SVA SVB ...

Page 98: ...omponents Their Functions and Refrigerant Circuits 4 CMB P1016V HA1 main 5 CMB P1016V HB1 sub TH15 TH12 LEV3 LEV1 TH16 PS1 PS3 TH11 SVC SVA SVB SVM1 SVM2 HIC A HIC B SVM1b SVM2b Gas Liquid separator TH15 TH12 HIC C CP LEV3 Check valve block Solenoid valve block SVC SVA SVB ...

Page 99: ... LEV control Superheat TH16 Liquid re frigerant tempera ture LEV control Subcool Solenoid valve SVM1 Opens during cooling and de frost modes AC220 240V Open while being powered closed while not being pow ered Continuity check with a tester SVA Provides refrigerant to indoor unit in cooling operation SVB Provides refrigerant to indoor unit in heating operation SVC Provides refrigerant to indoor uni...

Page 100: ...ure LEV control Subcool Solenoid valve SVM1 Opens during cooling and de frost modes AC220 240V Open while being powered closed while not being pow ered Continuity check with a tester SVM2 Pressure differential control SVA Provides refrigerant to indoor unit in cooling operation SVB Provides refrigerant to indoor unit in heating operation SVC Provides refrigerant to indoor unit in cooling operation...

Page 101: ...H15 Bypass in let tempera ture LEV control Superheat Solenoid valve SVA Provides refrigerant to indoor unit in cooling operation AC220 240V Open while being powered closed while not being pow ered Continuity check with a tester SVB Provides refrigerant to indoor unit in heating operation SVC Provides refrigerant to indoor unit in cooling operation LEV LEV3 Pressure differential control DC12V Openi...

Page 102: ...M1 Opens during cooling and de frost modes AC220 240V Open while being powered closed while not being pow ered Continuity check with a tester SVM1b Opens during cooling and de frost modes SVM2 Pressure differential control SVM2b Pressure differential control SVA Provides refrigerant to indoor unit in cooling operation SVB Provides refrigerant to indoor unit in heating operation SVC Provides refrig...

Page 103: ...H15 Bypass in let tempera ture LEV control Superheat Solenoid valve SVA Provides refrigerant to indoor unit in cooling operation AC220 240V Open while being powered closed while not being pow ered Continuity check with a tester SVB Provides refrigerant to indoor unit in heating operation SVC Provides refrigerant to indoor unit in cooling operation LEV LEV3 Pressure differential control DC12V Openi...

Page 104: ...Board 100 4 2 3 INV Board 101 4 2 4 Fan Board 103 4 2 5 Noise Filter 104 4 2 6 Capacitor Board 106 4 2 7 Connect Board 107 4 3 Outdoor Unit Electrical Wiring Diagrams 108 4 4 Transmission Booster Electrical Wiring Diagrams 111 4 5 BC Controller Circuit Board Arrangement 112 4 5 1 BC Controller Control Box 112 4 6 BC Controller Circuit Board Components 113 4 6 1 BC Board 113 4 6 2 Four Relay Board ...

Page 105: ... 94 HWE1314A GB ...

Page 106: ...ter servicing 7 When opening or closing the front panel of the control box do not let it come into contact with any of the internal components Before inspecting the inside of the control box turn off the power keep the unit off for at least 10 minutes and confirm that the capacitor voltage inverter main circuit has dropped to 20 V DC or less It takes about 10 minutes to discharge electricity after...

Page 107: ...rd Arrangement 96 HWE1314A GB 2 PURY EP500YLM A Capacitor Board INV board Control board M NET board Terminal block for transmission line TB3 TB7 Terminal block for power supply TB1 Noise filter Fan board Ground terminal DC Reactor ...

Page 108: ...tions Refer to the wiring nameplate for details 5 To connect wiring to TB7 check that the voltage is 20 VDC or below 6 Reconnect the connector CNINV back to the fan board and reconnect the connector CN1 back to the inverter board after servicing 7 When opening or closing the front panel of the control box do not let it come into contact with any of the internal components Before inspecting the ins...

Page 109: ...INV and the connect board connector CN103 Before plugging in or unplugging connectors check that the outdoor unit fan is not rotating and that the voltage be tween FT P and FT N on the INV board or between SC P and SC N on the capacitor board is 20 VDC or less The ca pacitor may collect a charge and cause an electric shock when the outdoor unit fan rotates in windy conditions 3 Reconnect the conne...

Page 110: ...N CN51 12 VDC output Compressor ON OFF signal output Error signal output CN41 Centralized control power supply OFF External signal input contact input F01 250 VAC 3 15A T CNRYB 72 drive signal output Sensor input CN2 2A Serial communication signal input GND CN4 5 VDC output GND Serial communication GND 16 VDC GND FAN INV board 1 17 VDC 17 VDC GND INV board CN332 18 VDC output GND FAN INV board 2 C...

Page 111: ...input output for centralized control system CNIT 12VDC input GND 5VDC input Power supply detection output Power supply ON OFF signal input LED1 Power supply for indoor transmission line TP1 2 Check pins for indoor outdoor transmission line TB7 Terminal block for transmission line for centralized control TB3 Indoor outdoor transmission block Ground terminal for transmission line Grounding Grounding...

Page 112: ...ng the outdoor unit fan board connector CNINV and the inverter board con nector CN1 Before plugging in or unplugging connectors check that the outdoor unit fan is not rotating and that the voltage between FT P and FT N on the INV board is 20 VDC or less The capacitor may collect a charge and cause an electric shock when the outdoor unit fan rotates in windy conditions Refer to the wiring nameplate...

Page 113: ...cing 7 When the power is on the compressor or heater is energized even while the compressor is stopped Before turning on the power disconnect all power supply wires from the compressor terminal block and measure the insulation resistance of the compressor Check the compressor for a ground fault If the insulation resistance is 1 0 MΩ or below connect all power supply wires to the compressor and tur...

Page 114: ...g off the power source 3 Perform the service after disconnecting the outdoor unit fan board connector CNINV and the inverter board con nector CN1 Before plugging in or unplugging connectors check that the outdoor unit fan is not rotating and that the voltage between FT P and FT N on the INV board or between SC P and SC N on the capacitor board is 20 VDC or less The capacitor may collect a charge a...

Page 115: ... EP350 EP400 EP450YLM A CN4 Output Rectified L2 N current P N CN5 Output Rectified L2 N current P N TB21 Input output L1 TB22 Input output L2 TB23 Input output L3 TB24 Input N CN1B Input L3 L2 CN1A Input N L1 Grounding F1 F2 F3 F4 Fuse 250VAC 6 3A CN3 Output L1 N Grounding CN2 Surge absorber circuit Surge absorber circuit Short circuit Short circuit ...

Page 116: ...Output L1 N CN2 Surge absorber circuit Surge absorber circuit Short circuit Short circuit CN4 Output L2 N L3 F1 Fuse 250VAC 6 3A F2 Fuse 250VAC 6 3A F3 Fuse 250VAC 6 3A TB21 Input output L1 TB22 Input output L2 Grounding Grounding Grounding CN1B L3 L2 TB23 Input output L3 TB24 Input output N CAUTION FOR HIGH VOLTAGE CAUTION FOR HIGH VOLTAGE ...

Page 117: ... board connector CN103 Before plugging in or unplugging connectors check that the outdoor unit fan is not rotating and that the voltage between SC P and SC N on the capacitor board is 20 VDC or less The capacitor may collect a charge and cause an electric shock when the outdoor unit fan rotates in windy conditions Refer to the wiring nameplate for details 4 To connect wiring to TB7 check that the ...

Page 118: ... 2 Control box houses high temperature parts Be well careful even after turning off the power source 3 Perform the service after disconnecting the fan board connector CNINV and the connector board connector CN103 Before plugging in or unplugging connectors check that the outdoor unit fan is not rotating and that the voltage between FT P and FT N on the INV board or between SC P and SC N on the cap...

Page 119: ... C151 C152 RSH01 02 1 2 L3 N red CNPS 1 3 2 1 TP1 TP2 TB3 2 3 TB7 M1 M2 M1 M2 S 1 5 12 34 1 2 1 2 1 32 3 4 6 3 6 1 5 3 1 2 2 CN82 blue 1 3 4 CN83 black L1 L2 3 1 Fan motor Heat exchanger U V W CNINV 7 1 4 3 4 CN4 black 1 1 3 2 3 1 3 SW001 1 4 CN2 1 12 1 3 3 1 4 3 2 2 3 1 1 CNSNR TH4 4 1 1 1 CN211 green 2 3 123 3 2 1 U 5 2 5 4 3 2 1 1 3 2 1 2 3 1 2 3 1 CN6 21 2 yellow CNPOW 1 654 X10 X12 ON X08 Uni...

Page 120: ...D 1 black CNAC2 1 ON OFF 10 SWU1 white CN212 red SC L2 3 6 2 CN80 4 CNTYP5 green LED4 CPU in operation LED1 Normal operation Lit Error Blink 5 CN801 red CNSNR 5 IPM 4 SC P1 FT P black C30 C32 C34 C36 red DB1 CT3 C1 CNTYP black R1 R5 black TB22 SWP1 RSH1 R6 C11 FAN Board 63LS ZNR1 U L Noise Filter 2 CN507 black 3 3 6 4 SV9 Noise filter 72C 6 7 red 1 2 1 CNLVA CNLVB red 1 F01 AC250V 3 15A T white bl...

Page 121: ...red CNPS 1 3 2 1 TP1 TP2 TB3 2 3 CN201 CN4A black TB7 S CNAC 5 1 2 3 4 CN81 5 4 3 1 t LEV5b M 1 2 3 4 6 1 2 3 4 1 2 6 CN202 3 3 1 3 4 CN103 Fan motor Heat exchanger U V W CNINV 7 1 4 t SW001 1 4 1 2 5 1 1 3 4 1 2 1 3 3 1 4 3 2 2 3 1 1 CNSNR M2 TH4 4 t 4 1 1 CN211 green 2 3 1 2 3 3 2 1 SV1a CN83 21S4a CN104 4 4 1 1 3 2 2 3 MS 3 2 1 2 3 1 1 2 1 MS 3 3 2 CN82 yellow CNPOW t t 6 5 4 X10 ON X08 X07 X11...

Page 122: ...d Red U U White White White White White White Blue Red Red DSA White White Blue Red Red Red Red Varistor Varistor Noise filter Stabilized power supply 4 3 2 1 1 2 3 CN2 CN1 Black Black Black Black Green Yellow 1 2 3 E 4 Choke coil 1 2 CN3 1 2 1 2 CN4 CN2 1 2 CN1 Electronic control board Black White Red Red Black S B A S B A Terminal block 2 for transmission line TB3 Expanded indoor unit side Termi...

Page 123: ...rd Arrangement 112 HWE1314A GB 4 5 BC Controller Circuit Board Arrangement 4 5 1 BC Controller Control Box 1 CMB P1016V G1 GA1 HA1 Relay board Transformer Terminal block for transmission line BC board Terminal block for power supply ...

Page 124: ... 4 6 BC Controller Circuit Board Components 113 HWE1314A GB 4 Electrical Components and Wiring Diagrams 4 6 BC Controller Circuit Board Components 4 6 1 BC Board SW1 SW2 SW5 SW6 SW4 ...

Page 125: ... 4 6 BC Controller Circuit Board Components 114 HWE1314A GB 4 6 2 Four Relay Board 4 6 3 Ten Relay Board ...

Page 126: ...LEV1 S SHIELD M2 M1 220V 240V 20V 22V L 1 2 3 4 10 9 8 4 2 3 10 2 1 4 3 SV3A SV3B SV2B SV3C SV2C SV2A 2 4 3 7 5 6 4 3 2 1 2 3 4 1 2 3 4 2 3 4 9 8 7 6 5 SV1C SV1A SV1B 7 5 3 1 7 5 3 1 7 5 3 1 X2 X1 X30 X4 X3 X31 X6 X5 X32 CN27 Red CN28 Blue 1 1 1 1 2 3 4 13 12 11 16 15 14 13 12 11 SV4B SV4C SV4A 15 16 14 1 2 3 4 1 7 5 3 1 X8 X7 X33 CN29 Green SVM1 1 2 3 1 2 3 1 3 CN36 Green X21 N ZNR01 ZNR02 CNTR R...

Page 127: ... T1 T3 T2 1 3 1 3 2 2 Indoor outdoor Transmission line PE PE 50Hz 60Hz 220V 240V POWER SUPPLY BREAKER 16A FUSE 16A PULL BOX TO NEXT INDOOR UNIT CN31 Yellow CN30 Black X35 X11 X12 X34 X9 X10 X33 X7 X8 1 3 5 7 1 3 5 7 1 3 5 1 4 3 2 1 4 3 2 1 4 3 2 1 SV6B SV6A SV6C 1 2 3 4 1 2 3 4 3 4 3 2 4 1 2 1 14 16 15 SV4A SV4C SV5B SV4B SV5C SV5A 11 12 13 14 15 16 11 12 13 4 3 2 1 1 1 1 X32 X5 X6 X31 X3 X4 X30 X...

Page 128: ...2 1 CNTR 1 3 CN26 CN38 3 1 5 3 1 7 6 5 4 3 2 1 1 2 3 4 5 6 7 CN50 CN50 PS3 PS1 TR TH16 TH15 TH12 TH11 CN11 CN10 CN02 CN03 1 2 3 2 1 1 2 3 4 8 7 6 5 4 3 2 1 1 2 CNP3 3 2 1 3 2 1 LEV1 LEV3 1 2 3 4 5 6 1 2 3 4 5 6 CONT B CN52 1 3 CN39 1 2 3 4 5 6 7 220V 240V 20V 22V SV6B SV6A SV6C 1 2 3 4 1 2 3 4 3 3 2 1 2 1 16 15 14 7 6 5 13 12 11 10 9 8 16 15 14 7 6 5 10 9 8 13 12 11 4 4 4 4 3 3 3 3 2 2 2 2 1 1 1 1...

Page 129: ...3 5 7 1 3 5 X2 X1 X30 X4 X3 X31 X6 X5 X32 X8 X7 X33 X10 X9 X34 X12 X11 X35 1 2 1 2 3 3 4 3 2 1 4 3 2 1 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 2 3 4 16 15 14 7 6 5 4 2 3 13 12 11 10 9 8 4 2 3 16 15 14 13 12 11 10 9 8 7 6 5 1 2 3 8 7 6 5 4 3 2 1 4 1 3 1 2 3 2 1 1 2 3 4 8 7 6 5 4 3 2 1 1 2 3 2 1 3 2 1 1 2 3 4 5 6 1 2 3 4 5 6 4 1 2 3 4 5 6 7 8 3 2 1 3 1 5 3 1 3 1 2 1 3 3...

Page 130: ... 3 1 5 7 1 3 5 7 1 5 7 1 7 5 X20 X19 X39 X38 X17 X18 X16 X15 X37 X36 X13 X14 CN32 16 16 13 14 15 9 10 11 12 5 6 7 8 4 4 5 6 8 7 9 12 11 10 15 14 13 SV10C SV9C SV8C SV7C SV10A SV9A SV8A SV7A SV10B SV9B SV8B SV7B 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 7 6 5 4 3 2 1 CN52 REL B CN39 CN35 Blue CN34 Black CN33 Red 1 3 1 3 1 3 CN46 Yellow X21 X60 X30 X1 X2 1 3 5 4 3 2 1 SV1B SV1A...

Page 131: ...4 1 2 3 4 SV15C SV15A SV15B SV14B SV14A SV14C SV13B SV13A SV13C SV12B SV12A SV12C 1 2 3 4 16 15 14 7 6 5 1 4 2 3 13 12 11 10 9 8 1 2 4 3 16 15 14 7 6 5 1 4 2 3 13 12 11 10 9 8 SV11C SV11A SV11B REL B CN43 Red CN44 Yellow CN45 Green X21 CN36 Green 1 1 3 5 7 1 3 5 7 1 3 5 7 X20 X18 X19 X17 X39 X38 X16 X15 X37 X36 X13 X14 3 3 1 3 5 7 CN32 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 ...

Page 132: ...s SW1 0 SW2 0 SW2 SW1 1 10 F01 250VAC 6 3A F Yellow Red Yellow DSA ON OFF 1 SW5 OFF 8 SW4 ON 1 8 T2 T3 T1 T4 Indoor outdoor Transmission Line PULL BOX TO NEXT INDOOR UNIT 50Hz 60Hz 220V 240V POWER SUPPLY BREAKER 16A FUSE 16A PE PE TR CN26 3 1 CN12 1 5 3 CONT B CN02 2 1 1 2 3 4 5 6 7 8 4 3 2 1 1 2 3 2 1 CN10 CN11 TH12 TH15 6 5 4 3 2 1 LEV3 220V 240V 20V 22V 1 2 3 4 10 9 8 4 2 3 10 2 1 4 3 SV3A SV3B...

Page 133: ... CNTR 1 3 CN26 CN38 3 1 5 3 1 7 6 5 4 3 2 1 CN50 TR TH15 TH12 CN11 CN10 CN02 CN03 1 2 3 2 1 1 2 3 4 8 7 6 5 4 3 2 1 1 2 LEV3 1 2 3 4 5 6 CONT B CN52 1 3 CN39 1 2 3 4 5 6 7 220V 240V 20V 22V SV6B SV6A SV6C 1 2 3 4 1 2 3 4 3 3 2 1 2 1 16 15 14 7 6 5 13 12 11 10 9 8 16 15 14 7 6 5 10 9 8 13 12 11 4 4 4 4 3 3 3 3 2 2 2 2 1 1 1 1 SV5C SV5A SV5B SV4B SV4A SV4C SV3B SV3A SV3C SV2B SV2A SV2C 2 3 4 1 2 3 4...

Page 134: ...2 9 7 8 6 8 7 6 12 11 10 9 15 14 13 16 16 5 4 4 5 CN35 Blue X20 X19 X39 7 5 3 1 CN34 Black X18 X17 X38 7 5 3 1 CN33 Red X16 X15 X37 7 5 3 1 CN39 CN32 1 3 5 7 X36 X13 X14 CNVCC2 3 2 1 3 Blue 1 Yellow CN40 X41 X40 X42 1 3 5 7 CN41 Green X44 X43 X45 CN42 X47 X46 X48 CN43 Red X50 X49 X51 CN44 Yellow X53 X52 3 5 1 7 5 3 1 7 5 3 1 3 5 7 6 5 4 2 3 2 3 6 5 4 7 12 11 10 9 8 11 12 10 7 9 8 1 1 1 2 3 4 1 2 X...

Page 135: ... UNIT TO NEXT 1 2 3 4 4 3 2 1 1 2 3 4 4 3 2 1 1 2 3 4 4 3 2 1 1 2 3 4 4 3 2 1 4 3 2 1 1 2 3 4 1 2 3 4 4 3 2 1 CNOUT4 CNOUT2 4 1 2 3 4 5 6 7 8 3 2 1 4 3 2 1 1 2 3 4 4 3 2 1 1 2 3 4 4 3 2 1 1 2 3 4 1 2 3 4 4 3 2 1 13 14 15 10 11 12 9 7 8 6 8 7 6 12 11 10 9 15 14 13 16 16 5 4 4 5 CN35 Blue X20 X19 X39 7 5 3 1 CN34 Black X18 X17 X38 7 5 3 1 CN33 Red X1 X15 X37 7 5 3 1 CN39 CN32 1 3 5 7 X36 X13 X14 CNV...

Page 136: ... Control 139 5 2 8 Continuous heating mode control 141 5 2 9 Refrigerant Recovery Control 143 5 2 10 Outdoor Unit Fan Control 143 5 2 11 Evaporation Temperature Control Expansion Valves LEV5a and LEV5b 144 5 2 12 Control at Initial Startup 144 5 2 13 Emergency Operation Mode 146 5 2 14 Unit Control Scheme 148 5 2 15 Refrigerant Circuits and Refrigerant Cycle Diagrams 149 5 2 16 Operation Mode 150 ...

Page 137: ... 126 HWE1314A GB ...

Page 138: ... the outdoor unit fans CN3D needs to be set Refer to the following page s 2 4 7 Various Control Methods Using the Signal Input Output Connec tor on Outdoor Unit page 28 Switch Function Function according to switch setting Switch setting tim ing Units that require switch setting Note 2 OFF ON SWU 1 2 Unit address setting Set to 00 or 51 100 with the dial switch Before power on C SW5 1 Centralized c...

Page 139: ... IC Anytime after power on A No 832 0000001011 Cumulative compressor operation time deletion Retained Cleared Anytime after power on OFF ON C No 848 0000101011 Continuous heating cycle function Disabled Enabled After being energized and while the com pressor is stopped A No 896 0000000111 Clearance of error history OC Retained IC OC Deleted IC OC Anytime after power on OFF ON C OS Retained OS Dele...

Page 140: ...Function according to connec tor Setting timing Enabled Disabled Enabled Disabled CN6 short circuit con nector Enabling disabling the following error detection functions ACCT sensor failure 5301 Detail No 115 ACCT sensor circuit failure 5301 Detail No 117 IPM open ACCT erroneous wiring 5301 Detail No 119 Detection of ACCT erroneous wiring 5301 Detail No 120 Error detec tion enabled Error detec tio...

Page 141: ...peration Setting this switch to ON will disable the error detection function and may result in equipment damage Switch Function Function according to switch setting Switch setting timing OFF ON SW1 1 Enabling Disabling no load opera tion No load operation will continue for approximately 30 seconds and then the unit will come to an ab normal stop For details refer to the following page s 8 10 9 Che...

Page 142: ...EV value conversion function Indoor unit inlet 100h Disabled Fan output 2500h Enabled Thermo ON signal Built in sensor on the remote controller Available During heating operation According to the SW1 7 setting Heat pump Always on while in the heating mode Fan speed setting for Heating Thermo OFF Very Low Low Preset speed Cooling only Enabled Enabled Disabled Disabled Enabled Enabled Not available ...

Page 143: ...r to the installation manual for the outdoor unit for details on how to make the address setting Each address is set with a combination of the settings for the 10 s digit and 1 s digit Example When setting the address to 3 set the 1 s digit to 3 and the 10 s digit to 0 When setting the address to 25 set the 1 s digit to 5 and the 10 s digit to 2 ...

Page 144: ...A do not have the switches listed above Refer to the installation manual for the function setting ON OFF 1 2 3 4 Comment Switch setting timing Before power on Before power on Before power on Before power on OFF ON SW contents Main SW No 1 Remote controller Main Sub setting Main Set one of the two remote controllers at one group to ON 2 Temperature display units setting Celsius When the temperature...

Page 145: ...e 100 s digit automatically being set to 1 2 00 200 1 At factory shipment the rotary switch is set to 01 2 The address range that can be set with the ME remote controller is between 101 and 200 When the dials are set to a number between 01 and 99 the 100 s digit is automatically set to 1 When the dials are set to 00 the 100 s digit is automatically set to 2 Switch Function Function according to sw...

Page 146: ...on of OC and OS Only startup sequence is changed Startup sequence of the outdoor units can be checked with the self diagnosis switch SW4 on the OC 5 2 3 Initial Control When the power is turned on the initial processing of the microcomputer is given top priority During the initial processing control processing of the operation signal is suspended The control processing is resumed after the initial...

Page 147: ...e low pres sure 63LS drops 3 or more minutes after compressor startup When the low pressure 63LS drops below 0 23 Mpa 33 psi dur ing cooling only or cooling main op eration When the low pressure 63LS drops below 0 38 Mpa 55 psi dur ing cooling only or cooling main op eration When high pressure 63HS1 rises When 63HS1 exceeds 3 62MPa 525psi When 63HS1 is or below 3 43MPa 497psi and 30 seconds have p...

Page 148: ...10 When defrosting upper heat exchanger dur ing Continuous heating mode P200 to P400 models and EP200 to EP350 models When defrosting left heat exchanger during Continuous heating mode P450 to P500 models and EP400 to EP500 models ON Others OFF Operation SV11 When defrosting lower heat exchanger dur ing Continuous heating mode P200 to P400 models and EP200 to EP350 models When defrosting right hea...

Page 149: ...ompressor in operation is monitored and when it exceeds the upper limit the frequency is decreased every minute Operating temperature is 115 C 239 F 3 Periodic frequency control Frequency control other than the ones performed at start up upon status change and for protection is called periodic frequen cy control convergent control and is performed in the following manner Periodic control cycle Per...

Page 150: ... cycle depending on the cumulative operation time of their compressors Condition 1 Condition 2 Condition 3 Outside temperature TH7 5ºC 23ºF or above 5ºC 23ºF or below Cumulative compressor operation time 50 minutes or more 90 minutes or more if the defrost prohibit timer is set to 90 250 minutes or more Pipe temperature TH6 The pipe temperature has stayed below the temperatures in the table below ...

Page 151: ...the integrated compressor operation time will be set to 20 minutes 5 Change in the number of operating indoor units during defrost operation Even when there is a change in the number of operating indoor units during defrost operation the operation will continue and an adjustment will be made after the completion of the defrost operation Defrost operation will be continued even if the indoor units ...

Page 152: ...s and EP200 to EP350 models and between the left heat exchanger and right heat exchanger with P450 to P500 and EP400 to EP500 models Each operation is performed as shown in the table below Single unit Combination units Outside tempera ture TH7 2 0 C 35 6 F to 3 5 C 38 3 F 3 5 C 38 3 F to 7 0 C 44 6 F 5 0 C 23 0 F to 7 0 C 44 6 F Cumulative com pressor operation time When 20 minutes have passed Whe...

Page 153: ...ed or in the case of a combination of units when the pipe temperatures TH9 TH11 and TH12 P450 P500 EP400 EP450 and EP500 only have remained above the temperature in the table below for 3 minutes When the Continuous heating mode ends the frequency is reduced once P200 P400 EP200 EP350 models P450 P500 EP400 EP500 models Unit in defrost cycle Unit in operation Unit in defrost cycle Unit in operation...

Page 154: ...or the refrigerant recovery cycle during Cooling only Cooling main Heating only or Heating main mode 1 When the port is in the cooling Thermo OFF fan or stop mode SVC at the port turns on for 30 seconds 2 The opening of LEV1 and LEV3 is increased 5 2 10 Outdoor Unit Fan Control 1 Control method Depending on the capacity required the rotation speed of the outdoor unit fan is controlled by the inver...

Page 155: ...he compressor is stopped The LEV opens to a specified position in response to chang es in heat exchanger capacity control patterns during cooling only or cooling main mode 5 2 12 Control at Initial Startup When started up for the first time before 12 hours have elapsed after power on the unit goes into the initial startup mode At the completion of the initial operation mode on the OC and OS they w...

Page 156: ...d or F 50Hz OS Completed in the integrated operation time of 90 minutes The compressor on the OS starts up 2 3 2 The air conditioning load is too small for both the OC and the OS to simultaneously stay in operation 3 The air conditioning load is high enough for both OC and OS to simultaneously stay in operation Initial startup mode complete or the discharge superheat TH4 Tc is detected within 5 mi...

Page 157: ...ds the maximum allowable ca pacity some of the indoor units will go into the same condition as Thermo OFF Trouble source Error codes that permit an emergency operation Error code description Compressor Fan motor Inverter 0403 Serial communication error 4220 4225 4226 Bus voltage drop 4230 4235 Heatsink overheat protection 4240 4245 Overload protection 4250 4255 4256 Overcurrent relay trip 5110 Hea...

Page 158: ...ore servicing the unit When the OC is in trouble the OS temporarily takes over the OC s function and performs an emergency operation When this happens the indoor unit connection information are changed In a system that has a billing function a message indicating that the billing system information has an error may appear on the TG 2000A Even if this message appears do not change or set the refrige...

Page 159: ...ration processing Autonomous distributed control system F2 VPM control Rotation speed control of compressor or fan depending on the refrigerant pressure value and the changing speed Self contained capacity control depending on the load Refrigerant distribution control depending on the operation mode Outdoor unit Daisy chained non polar 2 wire transmission line Indoor unit BC controller Autonomous ...

Page 160: ...oling Heating Heating Heating Low pressure pipe High pressure pipe High pressure gas High pressure gas High pressure gas High pressure two phase Low pressure gas Low pressure gas Low pressure gas Low pressure gas Low pressure gas Gas liquid separator Outdoor unit BC controller Indoor unit LEV LEV M M L M L M L M L A O M L M L M L M L A O B C D I J J E F F N N N K M L M L M L G H A O L J G I K H D ...

Page 161: ...2 Heating mode 3 Dry mode 4 Automatic cooling heating mode 5 Fan mode 6 Stopping mode 1 Cooling only mode All indoor units in operation are in cooling mode 2 Heating only mode All indoor units in operation are in heating mode 3 Cooling main mode Coexistence of units in cooling and heating modes 4 Heating main mode Coexistence of units in cooling and heating modes 5 Stopping mode All indoor units a...

Page 162: ...at the compressor motor on the stopped outdoor unit to make liquid refrigerant in the compressor evaporate or to keep liquid refrigerant from flooding the compressor Initial power on after power is turned on Stays on for 12 hours and then transitions to the operation that is performed while the compressor is stopped When the compressor is stopped Stays off for 30 minutes after the compressor stopp...

Page 163: ...control 1dif ferential control 2 1 Liquid level control The liquid level detected by the liquid inlet temperature TH11 sensor is controlled so as to be within a certain range 2 Pressure differential control The detected differential pressure PS1 and PS3 is controlle every minute so as to be within a certain range 110 110 3 3 Can be 110 or more due to pressure rise on the liquid side PS1 2000 1200 ...

Page 164: ...e 1 Note 1 Note 2 Note 3 Note 3 Note 3 1 Protection function self holding cancelled 2 Indoor unit LEV fully closed 1 Auxiliary heater OFF 2 Low fan speed for 1 minute YES YES YES YES YES YES YES YES Normal operation Error Stop 1 Prohibition Auto COOL HEAT display Automatic cooling heating mode Note 3 YES Auto cooling heating mode 1 1 Note 1 Indoor unit LEV fully closed Opening 41 Note 2 The system...

Page 165: ...ower on search for the indoor unit address for the remote controller address and for the group information will start During this HO PLEASE WAIT blinks on the display of the remote controller When the indoor unit to be controlled by the remote controller is missing HO PLEASE WAIT keeps blinking on the display of the remote controller even after 3 or more minutes after power on Note 3 The units wil...

Page 166: ...d heating 2 Transmitted to the outdoor unit 3 3 Operation mode Note 1 The system may go into the error mode on either the indoor unit side or the BC controller or outdoor unit side If some of the indoor units are experiencing a problem only those indoor units that are experiencing the problem will stop If the BC controller or the outdoor unit is experiencing a problem all the connected units will ...

Page 167: ...oid valve control 4 Outdoor unit fan control 5 BC controller solenoid valve control 6 BC controller LEV control Normal operation During test run mode Indoor unit fan operation 1 Inverter output 0Hz 2 Indoor unit LEV fully closed 3 Solenoid valves OFF 4 Outdoor unit fan stop 5 BC controller solenoid valves OFF 6 BC controller LEV fully closed Unit in the stopped state 2 3 Note 1 The indoor fan oper...

Page 168: ...YES YES YES NO NO NO NO NO 1 Indoor outdoor unit fan control 2 Inverter frequency control 3 Indoor unit LEV control 4 Solenoid valve control 5 BC controller solenoid valve control 6 BC controller LEV control Normal operation Defrost operation 4 way valve ON During test run mode 1 Indoor unit fan operation at Very Low speed 2 Inverter output 0Hz 3 Indoor unit LEV opens to specified position 4 Solen...

Page 169: ...roller LEV fully closed 2 3 Note 1 When the indoor unit inlet temperature exceeds 18 C 64 F the outdoor unit compressor and the indoor unit fan start the intermittent operation simultaneously When the indoor unit inlet temperature becomes 18 C 64 F or less the fan always runs at low speed The outdoor unit the indoor unit and the solenoid valve operate in the same way as they do in the cooling oper...

Page 170: ...mote Controller PAR 31MAA 169 6 5 2 MA Remote Controller PAR 21MAA 170 6 5 3 MA Simple Remote Controller 172 6 6 Changing the Room Temperature Detection Position 175 6 7 Test Run Method 176 6 7 1 MA Remote Controller PAR 31MAA 176 6 7 2 MA Remote Controller PAR 21MAA 178 6 8 Operation Characteristics and Refrigerant Charge 179 6 9 Evaluating and Adjusting Refrigerant Charge 179 6 9 1 Refrigerant O...

Page 171: ... 160 HWE1314A GB ...

Page 172: ...when the power is kept off for an extended period of time because of the accumulation of refrigerant in the compressor If insulation resistance reads at least 1 MΩ by turning on the main power and keeping it on for at least 12 hours the refrigerant in the compressor will evaporate and the insulation resistance will go up Do not measure the insulation resistance of the terminal block for transmissi...

Page 173: ...sing non polar ized 2 core cables Non polarized 2 core cable Remote controller connection Connectable to any indoor unit in the group Connectable anywhere on the indoor out door transmission line Interlock with the ventilation unit Each indoor unit can individually be in terlocked with a ventilation unit Set up via remote controller in the group Each indoor unit can individually be inter locked wi...

Page 174: ... of registered information B Interlock settings Registration of LOSSNAY units to be interlocked with the indoor units and search and deletion of registered information Normal display Register the indoor unit to be controlled with the remote controller Bring up either the blinking display of HO by turning on the unit or the normal display by pressing the ON OFF button The display window must look l...

Page 175: ... together Bring up the address of the indoor unit and the address of the LOSSNAY to be interlocked on the display Select the address of the indoor unit to be registered by pressing button TEMP or to advance or go back through the addresses Select the address of the LOSSNAY unit to be interlocked by pressing button TIMER SET or to advance or go back through the interlocked unit addresses 7 8 C H Ma...

Page 176: ...e as the one in step Address of an interlocked LOSSNAY unit Address of another interlocked unit Bring up on the display the address of the LOSSNAY unit that was interlocked with the indoor unit in step With each pressing of button the address of the LOSSNAY and indoor unit that is interlocked with it will be displayed alternately LOSSNAY can be searched in the same manner by bringing up the LOSSNA...

Page 177: ...ompletion of deletion will be displayed in the room temperature display window If a transmission error occurs the selected setting will not be deleted and the display will appear as shown below In this case repeat the steps above Displayed alternately Deletion error will be displayed in the room temperature display window If deletion is successfully completed will appear in the unit type display w...

Page 178: ...lay NOTE Normal display 4 5 PAR F27MEA ON OFF FILTER CHECK TEST TEMP TIMER SET CLOCK ON OFF 1 3 2 Press and hold the CHECK and buttons simultaneously for two seconds SET TEMP button SET TEMP button 3 Room temperature display selection mode Display or non display of room temperature Although the suction temperature is normally displayed on the remote controller the setting can be changed so that it...

Page 179: ...lection mode and an automatic operation cannot be performed The automatic operation mode is skipped in the function selection mode sequence The left figure shows the display that appears when the current temperature range setting is between 19 C and 30 C in the Cool Dry mode and the lower limit temperature is selected to be set 2 Temperature range setting for heating 4 Switch between the Lower and...

Page 180: ...ns select Set in the Function and press the SELECT button to save the settings Sending data will appear on the screen If the setting is successfully completed Setting completed will appear Lossnay IU address Lossnay address Collecting data Lossnay Cursor Address Select IU address Lossnay address Function Set Conf Del Lossnay Lossnay Return IU address Lossnay address IU address Lossnay address Send...

Page 181: ...ted indoor unit and the interlocked LOSSNAY unit Registration completed The registered indoor unit address and IC and the interlocked LOSSNAY address and LC will appear alternately Registration error If the registration fails the indoor unit address and the LOSSNAY address will be displayed alternately Registration cannot be completed The selected unit address does not have a corresponding indoor ...

Page 182: ...ete the interlock setting between a LOSSNAY unit and the interlocked indoor unit from the remote controller that is connected to the indoor unit Find the address of the LOSSNAY to be deleted See section 2 Search Procedures and bring up the result of the search for both the indoor unit and LOSSNAY on the display Press the ON OFF button twice to delete the address of the LOSSNAY unit that is interlo...

Page 183: ...ntroller confirms the registered LOSSNAY addresses of the currently connected indoor units Registration confirmation result The indoor unit address and registered LOSSNAY address are displayed alternately Make this setting only when interlocked operation with LOSSNAY is necessary with CITY MULTI models ON OFF Indoor unit address and indoor unit display LOSSNAY address display and LOSSNAY display 1...

Page 184: ...ster the set indoor unit address and LOSSNAY address Registration end display The indoor unit address and IC and LOSSNAY address and LC are alternately displayed Registration error display If the address is not registered correctly the indoor unit address and and the registered LOSSNAY and are alternately displayed Cannot be registered because the registered indoor unit or LOSSNAY does not exist C...

Page 185: ...alternately displayed Confirmation end display When LOSSNAY is not connected Registered indoor unit address does not exist 3 Deletion procedure Use this procedure when you want to delete registration of indoor units connected by the remote controller and LOSSNAY Confirm see 2 Confirmation procedure the LOSSNAY you want to delete and display the indoor units and LOSSNAY confirmation results Press t...

Page 186: ...oard on the indoor unit is set to OFF To use the built in sensor on the remote controller set the SW1 1 on the controller board on the indoor unit to ON Some models of remote controllers are not equipped with a built in temperature sensor Use the built in temperature sensor on the indoor unit instead When using the built in sensor on the remote controller install the remote controller where room t...

Page 187: ...operation performance Depending on the outside air conditions the fan will rotate at low speed and maintains its rotation speed unless capacity shortage occurs The fan may stop or rotate in the reverse direction depending on the outside airflow this is normal Press the button to end the test run The screen will return to the Test run menu Step 1 Turn on the main power at least 12 hours before star...

Page 188: ...ddress can be copied and pasted to another unit at a different address Press the F3 button in Step 2 to copy the model name information of the unit at the selected address Press the F4 button in Step 2 to overwrite the model name information of the unit at the selected address 1 Step 4 Registering the serial number Select Serial No input in Step 1 2 above and then press the button Register the ser...

Page 189: ... Switch to cooling or heating operation by pressing the Operation Mode button Press the Fan Speed button Change the air flow direction by pressing the Vertical Air Direction button or the Louver button Confirm the operation of outdoor unit fan Confirm the operation of all interlocked equipment such as ventilation equipment Note 1 Refer to the following pages if an error code appears on the remote ...

Page 190: ...9 1 Refrigerant Overcharge and undercharge Overcharging or undercharging of refrigerant can cause the following symptoms Before attempting to adjust the amount of refrigerant in the system thoroughly check the operating conditions of the system Then adjust the refrigerant amount by running the unit in the refrigerant amount adjust mode 6 9 2 Checking the Refrigerant Charge during Operation Operate...

Page 191: ... on site Outdoor unit model P200 P250 P300 P350 P400 P450 P500 Amount of pre charged refrigerant in the outdoor unit kg 9 5 9 5 10 3 10 3 10 3 11 8 11 8 Amount of pre charged refrigerant in the outdoor unit lbs oz 20 16 20 16 22 1 22 1 22 1 26 1 26 1 Outdoor unit model EP200 EP250 EP300 EP350 EP400 EP450 EP500 Amount of pre charged refrigerant in the outdoor unit kg 8 5 8 5 9 3 9 3 11 8 11 8 11 8 ...

Page 192: ... m L5 Length of ø15 88 5 8 liquid pipe m L6 Length of ø12 7 1 2 liquid pipe m L7 Length of ø9 52 3 8 liquid pipe m L8 Length of ø6 35 1 4 liquid pipe m α1 α2 α3 α4 α1 α2 α3 α4 Refer to the table below L1 Length of ø28 58 1 1 8 high pressure pipe ft L2 Length of ø22 2 7 8 high pressure pipe ft L3 Length of ø19 05 3 4 high pressure pipe ft L4 Length of ø15 88 5 8 high pressure pipe ft L5 Length of ø...

Page 193: ...odel 0 0 0 P250 model 0 0 0 P450 model 0 0 0 P300 model 0 0 0 P500 model 0 0 0 P350 model 0 0 0 P550 model 0 0 0 P400 model 0 0 0 P600 model 0 0 0 P450 model 5 5 195 P650 model 0 0 0 P500 model 5 5 195 P700 model 0 0 0 P750 model 0 0 0 P800 model 0 0 0 P850 model 5 5 195 P900 model 11 0 389 Outdoor unit model Charged amount for Outdoor Unit s Outdoor unit model Charged amount for Outdoor Unit s β ...

Page 194: ...0 39 0 45 0 49 0 49 0 Total index of the outdoor units P400 YSLM P450 YSLM P500 YSLM P550 YSLM P600 YSLM P650 YSLM P700 YSLM P750 YSLM Maximum refrigerant charge 1 kg 52 0 52 0 52 0 59 0 62 5 75 0 79 5 79 5 Total index of the outdoor units P800 YSLM P850 YSLM P900 YSLM Maximum refrigerant charge 1 kg 79 5 84 0 89 0 Total index of the outdoor units EP200 YLM EP250 YLM EP300 YLM EP350 YLM EP400 YLM ...

Page 195: ...5 3 4 1 P100 P250 Indoor unit1 80 model Indoor unit2 250 model Indoor unit3 32 model Indoor unit4 40 model Indoor unit5 32 model Indoor unit6 63 model A 28 58 B 9 52 C 9 52 D 9 52 E 9 52 F 22 2 G 19 05 40m 10m 20m 5m 5m 3m 1m 1 1 8 3 8 3 8 3 8 3 8 7 8 3 4 3 8 3 8 1 4 1 4 1 4 3 8 131ft 32ft 65ft 16ft 16ft 9ft 3ft 32ft 16ft 16ft 32ft 16ft 16ft a 9 52 b 9 52 c 6 35 d 6 35 e 6 35 f 9 52 10m 5m 5m 10m ...

Page 196: ...equate later on when the refrigerant system stabilizes When the amount of refrigerant is truly adequate TH3 TH6 on the outdoor unit is 5 C 9 F or above and SH on the indoor unit is between 5 and 15 C 9 and 27 F The refrigerant amount may seem adequate at the moment but may turn out to be inadequate later on TH3 TH6 on the outdoor unit is 5 C 9 F or less and SH on the indoor unit is 5 C 9 F or less...

Page 197: ... on the low pressure side Is the TH4 value of the OC and OS at or below 100 C 212 F Has the operating frequency of the compressor on the OC and OS become stable Does the following hold true TH4 95 C 203 F on the OC and OS Does the following hold true 15 C 27 F SC16 on the BC Operation of the Refrigerant Amount Adjust Mode When the unit is the refrigerant amount adjust mode the LEV on the indoor un...

Page 198: ...n operates at extra low speed for 5 minutes after it is turned on or until the pipe temperature reaches 35 C 95 F then it operates at low speed for 2 minutes and finally it operates at the set speed Pre heating stand by When the main power is turned on the display shown on the right appears on the in door unit remote controller for 5 minutes HO or PLEASE WAIT icons blink on the display The system ...

Page 199: ...170 Pressure High pressure 63HS1 Low pressure 63LS MPa psi 2 82 0 95 409 138 2 94 0 97 426 141 BC controller on the liquid side PS1 Mid way point PS3 2 76 2 76 400 400 2 86 2 86 415 415 Section tempera tures Outdoor unit Discharge TH4 C F 76 169 87 189 Heat exchanger outlet TH3 41 106 41 106 Accumulator inlet 14 57 8 46 Accumulator outlet 14 57 8 46 Compressor inlet 23 73 19 66 Compressor shell bo...

Page 200: ...ssure 63HS1 Low pressure 63LS MPa psi 3 11 0 93 451 135 3 18 0 92 461 133 BC controller on the liquid side PS1 Mid way point PS3 3 02 3 01 438 437 3 11 3 11 451 451 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 83 181 Heat exchanger outlet TH3 43 109 44 111 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 ...

Page 201: ...ure 63HS1 Low pressure 63LS MPa psi 3 33 0 92 483 133 2 96 0 91 429 132 BC controller on the liquid side PS1 Mid way point PS3 3 24 3 23 470 468 2 89 2 89 419 419 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 83 181 Heat exchanger outlet TH3 43 109 44 111 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 In...

Page 202: ...ure High pressure 63HS1 Low pressure 63LS MPa psi 3 02 0 89 438 129 BC controller on the liquid side PS1 Mid way point PS3 2 89 2 89 419 419 Section tempera tures Outdoor unit Discharge TH4 C F 83 181 Heat exchanger outlet TH3 44 111 Accumulator inlet 10 50 Accumulator outlet 10 50 Compressor inlet 22 72 Compressor shell bottom 44 111 Indoor unit LEV inlet 22 72 Heat exchanger inlet 13 55 Heating ...

Page 203: ...sure 63HS1 Low pressure 63LS MPa psi 2 82 0 95 409 138 2 82 0 95 409 138 BC controller on the liquid side PS1 Mid way point PS3 2 76 2 76 400 400 Section tempera tures Outdoor unit Discharge TH4 C F 76 169 76 169 Heat exchanger outlet TH3 41 106 41 106 Accumulator inlet 14 57 14 57 Accumulator outlet 14 57 14 57 Compressor inlet 23 73 23 73 Compressor shell bottom 34 93 34 93 Indoor unit LEV inlet...

Page 204: ...1 Low pressure 63LS MPa psi 2 94 0 97 426 141 2 94 0 97 426 141 BC controller on the liquid side PS1 Mid way point PS3 2 86 2 86 415 415 Section tempera tures Outdoor unit Discharge TH4 C F 87 189 87 189 Heat exchanger outlet TH3 41 106 41 106 Accumulator inlet 8 46 8 46 Accumulator outlet 8 46 8 46 Compressor inlet 19 66 19 66 Compressor shell bottom 40 104 40 104 Indoor unit LEV inlet 19 66 Heat...

Page 205: ...pressure 63LS MPa psi 2 94 0 97 426 141 2 94 0 97 426 141 BC controller on the liquid side PS1 Mid way point PS3 2 86 2 86 415 415 Section tempera tures Outdoor unit Discharge TH4 C F 87 189 87 189 Heat exchanger outlet TH3 41 106 41 106 Accumulator inlet 8 46 8 46 Accumulator outlet 8 46 8 46 Compressor inlet 19 66 19 66 Compressor shell bottom 42 108 40 104 Indoor unit LEV inlet 19 66 Heat excha...

Page 206: ...1 Low pressure 63LS MPa psi 2 82 0 95 409 138 2 82 0 95 409 138 BC controller on the liquid side PS1 Mid way point PS3 2 76 2 76 400 400 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 82 180 Heat exchanger outlet TH3 43 109 39 102 Accumulator inlet 8 46 8 46 Accumulator outlet 8 46 8 46 Compressor inlet 20 68 19 66 Compressor shell bottom 42 108 40 104 Indoor unit LEV inlet 22 72 Heat...

Page 207: ...pressure 63LS MPa psi 3 11 0 93 451 135 3 11 0 93 451 135 BC controller on the liquid side PS1 Mid way point PS3 3 02 3 02 438 438 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 82 180 Heat exchanger outlet TH3 43 109 43 109 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 72 Heat e...

Page 208: ... Low pressure 63LS MPa psi 3 18 0 92 461 133 3 18 0 92 461 133 BC controller on the liquid side PS1 Mid way point PS3 3 11 3 11 451 451 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 82 180 Heat exchanger outlet TH3 43 109 43 109 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 72 H...

Page 209: ...pressure 63LS MPa psi 3 18 0 92 461 133 3 18 0 92 461 133 BC controller on the liquid side PS1 Mid way point PS3 3 11 3 11 451 451 Section tempera tures Outdoor unit Discharge TH4 C F 83 181 83 181 Heat exchanger outlet TH3 44 111 44 111 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 72 Heat e...

Page 210: ...1 Low pressure 63LS MPa psi 3 33 0 92 483 133 3 33 0 92 483 133 BC controller on the liquid side PS1 Mid way point PS3 3 31 3 31 480 480 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 83 181 Heat exchanger outlet TH3 43 109 44 111 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 72 ...

Page 211: ...ow pressure 63LS MPa psi 3 33 0 92 483 133 3 33 0 92 483 133 BC controller on the liquid side PS1 Mid way point PS3 3 31 3 31 480 480 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 82 180 Heat exchanger outlet TH3 43 109 43 109 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 72 Hea...

Page 212: ...63HS1 Low pressure 63LS MPa psi 2 96 0 91 429 132 2 96 0 91 429 132 BC controller on the liquid side PS1 Mid way point PS3 2 89 2 89 419 419 Section tempera tures Outdoor unit Discharge TH4 C F 83 181 82 180 Heat exchanger outlet TH3 44 111 43 109 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22...

Page 213: ...1 Low pressure 63LS MPa psi 2 96 0 91 429 132 2 96 0 91 429 132 BC controller on the liquid side PS1 Mid way point PS3 2 89 2 89 419 419 Section tempera tures Outdoor unit Discharge TH4 C F 83 181 83 181 Heat exchanger outlet TH3 44 111 44 111 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 72 ...

Page 214: ...igh pressure 63HS1 Low pressure 63LS MPa psi 2 67 0 97 387 141 2 82 0 99 409 144 BC controller on the liquid side PS1 Mid way point PS3 2 60 2 60 377 377 2 74 2 74 397 397 Section tempera tures Outdoor unit Discharge TH4 C F 76 169 87 189 Heat exchanger outlet TH3 41 106 41 106 Accumulator inlet 14 57 8 46 Accumulator outlet 14 57 8 46 Compressor inlet 23 73 19 66 Compressor shell bottom 34 93 40 ...

Page 215: ...63HS1 Low pressure 63LS MPa psi 2 81 0 96 408 139 3 01 0 96 437 136 BC controller on the liquid side PS1 Mid way point PS3 2 72 2 71 395 393 2 94 2 94 426 426 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 83 181 Heat exchanger outlet TH3 43 109 44 111 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor...

Page 216: ...ressure 63HS1 Low pressure 63LS MPa psi 2 73 0 96 396 139 2 77 0 91 402 132 BC controller on the liquid side PS1 Mid way point PS3 2 67 2 67 387 387 2 70 2 70 392 392 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 83 181 Heat exchanger outlet TH3 43 109 44 111 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 11...

Page 217: ...h pressure 63HS1 Low pressure 63LS MPa psi 3 02 0 89 438 129 BC controller on the liquid side PS1 Mid way point PS3 2 95 2 95 428 428 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 Heat exchanger outlet TH3 43 109 Accumulator inlet 10 50 Accumulator outlet 10 50 Compressor inlet 22 72 Compressor shell bottom 44 111 Indoor unit LEV inlet 22 72 Heat exchanger inlet 13 55 Heating Only Ou...

Page 218: ... High pressure 63HS1 Low pressure 63LS MPa psi 2 82 0 99 409 144 2 82 0 99 409 144 BC controller on the liquid side PS1 Mid way point PS3 2 74 2 74 397 397 Section tempera tures Outdoor unit Discharge TH4 C F 87 189 87 189 Heat exchanger outlet TH3 41 106 41 106 Accumulator inlet 8 46 8 46 Accumulator outlet 8 46 8 46 Compressor inlet 19 66 19 66 Compressor shell bottom 42 108 40 104 Indoor unit L...

Page 219: ...essure 63LS MPa psi 2 81 0 96 408 139 2 81 0 96 408 139 BC controller on the liquid side PS1 Mid way point PS3 2 72 2 71 395 393 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 82 180 Heat exchanger outlet TH3 43 109 39 102 Accumulator inlet 8 46 8 46 Accumulator outlet 8 46 8 46 Compressor inlet 20 68 19 66 Compressor shell bottom 42 108 40 104 Indoor unit LEV inlet 22 72 Heat exchang...

Page 220: ...ow pressure 63LS MPa psi 2 81 0 96 408 136 2 81 0 96 408 139 BC controller on the liquid side PS1 Mid way point PS3 2 72 2 71 395 393 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 82 180 Heat exchanger outlet TH3 43 109 43 109 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 72 Hea...

Page 221: ...essure 63LS MPa psi 3 01 0 94 437 136 3 01 0 94 437 136 BC controller on the liquid side PS1 Mid way point PS3 2 94 2 94 426 426 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 82 180 Heat exchanger outlet TH3 43 109 43 109 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 72 Heat exc...

Page 222: ...Low pressure 63LS MPa psi 3 01 0 94 437 136 3 01 0 94 437 136 BC controller on the liquid side PS1 Mid way point PS3 2 94 2 94 426 426 Section tempera tures Outdoor unit Discharge TH4 C F 83 181 83 181 Heat exchanger outlet TH3 44 111 44 111 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 72 He...

Page 223: ...ressure 63LS MPa psi 2 73 0 96 396 139 2 73 0 96 396 139 BC controller on the liquid side PS1 Mid way point PS3 2 67 2 67 387 387 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 83 181 Heat exchanger outlet TH3 43 109 44 111 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 72 Heat ex...

Page 224: ...HS1 Low pressure 63LS MPa psi 2 73 0 96 396 139 2 73 0 96 396 139 BC controller on the liquid side PS1 Mid way point PS3 2 67 2 67 387 387 Section tempera tures Outdoor unit Discharge TH4 C F 82 180 82 180 Heat exchanger outlet TH3 43 109 43 109 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 7...

Page 225: ...ow pressure 63LS MPa psi 2 77 0 91 402 132 2 77 0 91 402 132 BC controller on the liquid side PS1 Mid way point PS3 2 70 2 70 392 392 Section tempera tures Outdoor unit Discharge TH4 C F 83 181 82 180 Heat exchanger outlet TH3 44 111 43 109 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22 72 Hea...

Page 226: ...63HS1 Low pressure 63LS MPa psi 2 77 0 91 402 132 2 77 0 91 402 132 BC controller on the liquid side PS1 Mid way point PS3 2 70 2 70 392 392 Section tempera tures Outdoor unit Discharge TH4 C F 83 181 83 181 Heat exchanger outlet TH3 44 111 44 111 Accumulator inlet 10 50 10 50 Accumulator outlet 10 50 10 50 Compressor inlet 22 72 22 72 Compressor shell bottom 44 111 44 111 Indoor unit LEV inlet 22...

Page 227: ... 6 11 Standard Operation Data Reference Data 216 HWE1314A GB ...

Page 228: ...odes 4000 4999 239 7 6 1 Error Code 4102 239 7 6 2 Error Code 4106 240 7 6 3 Error Code 4109 240 7 6 4 Error Code 4115 241 7 6 5 Error Code 4116 241 7 6 6 Error Code 4121 242 7 6 7 Error Code 4124 243 7 6 8 Error Codes 4220 4225 4226 Detail Code 108 244 7 6 9 Error Codes 4220 4225 4226 Detail Code 109 245 7 6 10 Error Code 4220 Detail Code 110 246 7 6 11 Error Codes 4220 4225 4226 Detail Code 111 ...

Page 229: ...ode 6607 Error Source Address Outdoor Unit OC 268 7 8 9 Error Code 6607 Error Source Address BC Controller BC 268 7 8 10 Error Code 6607 Error Source Address Indoor Unit IC 269 7 8 11 Error Code 6607 Error Source Address LOSSNAY LC 270 7 8 12 Error Code 6607 Error Source Address ME Remote Controller 271 7 8 13 Error Code 6607 Error Source Address System Controller 272 7 8 14 Error Code 6607 All Er...

Page 230: ... 219 HWE1314A GB 7 9 9 Error Code 7113 292 7 9 10 Error Code 7117 293 7 9 11 Error Code 7130 294 ...

Page 231: ... 220 HWE1314A GB ...

Page 232: ...ge O page 237 2601 Water supply cutoff O page 237 3121 Out of range outside air temperature O page 238 4102 4152 Open phase O page 239 4106 Transmission power supply fault O page 240 4109 Fan operation status detection error O page 240 4115 Power supply signal sync error O page 241 4116 RPM error Motor error O O page 241 4121 4171 Function setting error O page 242 4124 Electric system not operate ...

Page 233: ...ure TH22 O page 254 OA processing unit pipe temperature TH2 O page 254 5103 1205 00 Temperature sensor fault Indoor unit gas side pipe temperature TH23 O page 254 OA processing unit gas side pipe temperature TH3 O page 254 Pipe temperature at heat exchanger outlet TH3 O page 256 5104 1202 Temperature sensor fault OA processing unit intake air temperature TH1 O page 254 Outside temperature TH24 O p...

Page 234: ... 5203 Intermediate pressure sensor fault BC controller PS3 O page 259 5301 4300 0 Backup operation O 115 ACCT sensor fault O page 259 117 ACCT sensor circuit fault O page 260 119 Open circuited IPM Loose ACCT connector O page 260 120 Faulty ACCT wiring O page 261 127 DCL electric current circuit error O page 261 5305 5306 4305 4306 0 Backup operation O 132 Position detection error at startup O pag...

Page 235: ...tion reception error O page 280 6841 A control communication synchronism not recover O page 280 6842 A control communication transmission reception hardware trouble O page 281 6843 A control communication start bit detection error O page 282 6846 Start up time over O page 283 7100 Total capacity error O page 284 7101 Capacity code setting error O O O page 286 7102 Wrong number of connected units O...

Page 236: ...38 95 PURY P300YLM A 1 27 33 56 95 PURY P350YLM A 1 27 33 56 95 PURY P400YLM A 1 27 33 56 95 PURY P450YLM A 1 27 33 56 95 PURY P500YLM A 1 27 33 56 95 INV board Series name Outdoor units Overload protection Imax Arms Currenteffective value error Arms Current peak value error Apeak Temper ature protec tionTOL C INV20Y High COP PURY EP200YLM A 15 23 38 95 PURY EP250YLM A 15 23 38 95 PURY EP300YLM A ...

Page 237: ...wing page s 8 10 Troubleshooting Inverter Problems page 337 Control board FAN board CN2 CN2A CN80 CN4 CN4A CN80 FAN board INV board CN82 CN2 CN83 CN43 Cause Check method and remedy 1 Incorrect switch setting on the indoor unit cir cuit board Check SW3 3 on the indoor unit circuit board Set SW3 3 to ON only when connecting an auto filter cleaning unit 2 Power wire that connects the circuit board on...

Page 238: ...inition A control communication reception error 2 Error definition and error detection method Indoor controller board Abnormal if data cannot be read normally from the nonvolatile memory of the indoor controller board 3 Cause check method and remedy Cause Check method and remedy Defective indoor controller board Replace indoor controller board ...

Page 239: ...s shortage Refer to the following page s 6 9 Evaluating and Adjusting Refrigerant Charge page 179 2 Overload operation Check operating conditions and operation status of indoor outdoor units 3 LEV failure on the indoor unit Perform a heating operation and check the operation Cooling LEV on the indoor unit BC controller LEV1 3 SVM1 2 SVA C Heating LEV on the indoor unit BC controller LEV3 SVB SV4a ...

Page 240: ... 098MPa 14psi immediately before start up the operation immediately stops 3 Cause check method and remedy Cause Check method and remedy 1 Inner pressure drop due to a leakage Refer to the following page s 8 5 3 Comparing the Low Pressure Sensor Measurement and Gauge Pressure page 314 2 Low pressure sensor failure 3 Short circuited pressure sensor cable due to torn outer rubber 4 A pin on the male ...

Page 241: ...ller SVM1 and 2 malfunction Cooling only or defrost 4 BC controller SVA and SVC malfunction Cooling only or cooling main 5 BC controller SVB malfunction Heating only or heating main Solenoid valve actuation failure SV4a SV4b SV4c or SV4d Cooling only or cooling main 6 Port address setting error Confirm the port address of the indoor unit 7 Refrigerant service valve actuation failure Confirm that t...

Page 242: ...If the formula TdSH 10 C 18 F is satisfied 30 minutes or more after the first stoppage of the outdoor unit the same se quence as Item 1 above first detection is followed 4 For 30 minutes after the stop of the outdoor unit preliminary errors will be displayed on the LED display 3 Cause check method and remedy Cause Check method and remedy 1 Inner pressure drop due to a leakage Refer to the followin...

Page 243: ...s also performed while the unit is stopped 4 Preliminary water leakage is cancelled when the following conditions are met One hour after the preliminary water leakage was detected it is not detected that the drain pump goes from OFF to ON The operation mode is changed to Cool Dry The liquid pipe temperature minus the inlet temperature is 10 C 18 F or less 3 Cause check method and remedy Cause Chec...

Page 244: ...ing conditions are met One hour after the preliminary water leakage was detected it is not detected that the drain pump goes from OFF to ON The operation mode is changed to Cool Dry The liquid pipe temperature minus the inlet temperature is 10 C 18 F or less 3 Cause check method and remedy Reference Cause Check method and remedy 1 Drain water drainage problem Clogged drain pump Clogged drain pipin...

Page 245: ... circuit that are in any mode other than Fan or Stop to an error stop 2502 appears on the monitor of the units that came to an error stop 6 Forced stoppage of the outdoor unit Detection timing The error is detected whether the unit is in operation or stopped 7 Ending criteria for the forced stoppage of outdoor unit Power reset the indoor unit that was identified as the error source and the outdoor...

Page 246: ...ected the conditions that are listed in item 4 above brings the outdoor unit in the same refrigerant circuit to an error stop compressor operation prohibited and the outdoor unit brings all the indoor units in the same refrigerant circuit that are in any mode other than Fan or Stop to an error stop 6 Forced stoppage of the outdoor unit Detection timing The error is detected whether the unit is in ...

Page 247: ...st cycle When the liquid temperature thermistor or suction temperature thermistor or short or open circuited Drain pump is in operation One hour has elapsed since the drain sensor went off Short 90 C 194 F or above Open 20 C 4 F or below 3 Cause check method and remedy Cause Check method and remedy 1 Faulty connector CN31 insertion 1 Check for connector connection failure Reinsert the connector re...

Page 248: ... code definition Water supply cutoff 2 Cause check method and remedy Cause Check method and remedy 1 The water tank of the humidifier is empty Check the amount of supply water Check for the solenoid valve and for the connection 2 The solenoid valve for humidification is OFF Check the connector 3 Disconnected float switch Check the connecting part 4 Poor operation of float switch Check for the floa...

Page 249: ...canceled by setting the remote controller Outdoor temperature error is canceled if the units stop during error stop The error display needs to be canceled by setting the remote controller 3 Cause check method and remedy Check the following factors if an error is detected without drop in the outdoor temperature Reference Cause Check method and remedy 1 Thermistor failure Check thermistor resistance...

Page 250: ...eck for coil burnout Confirm that the voltage at the CN3 connector is 198 V or above Check that the voltage across pins 3 and 5 on the noise filter CN4 connector is equal to or greater than 198 volts 3 Wiring failure Confirm that the voltage at the control board connector CNAC is 198 V or above If the voltage is below 198V check the wiring connection between the noise filter board CN3 noise filter...

Page 251: ...n power reception failure 3 Cause One of the outdoor units stopped supplying power but no other outdoor units start supplying power 4 Check method and remedy Check the transmission power supply circuit on all outdoor units in a given refrigerant circuit for problems 8 11 2 Trouble shooting Problems with Outdoor Unit Transmission Power Supply Circuit page 351 7 6 3 Error Code 4109 1 Error code defi...

Page 252: ...cted again the display will appear 3 Cause check method and remedy Cause Check method and remedy 1 Power supply error Check the voltage of the power supply terminal block TB1 2 Noise filter problem Coil problem Circuit board failure Check the coil connections Check for coil burnout Confirm that the voltage at the CN3 connector is 198 V or above 3 Faulty wiring Check fuse F01 on the control board 4...

Page 253: ... remedy Error source Cause Check method and remedy Outdoor unit 1 Dip switch setting error on the control board Check the SW6 1 setting on the control board 2 Connector connection error on the control board Check that nothing is connected to the connector CNAF on the control board 3 Control board failure Replace the control board if no problems are found with the two items above ...

Page 254: ...NE CONTROL button There is not 0V DC between CN1X1 and Replace the damper limit switch open There is not 5V DC between CN1X1 and Replace the damper limit switch close 4 If damper opens or closes and voltages in 3 are normal measure the voltage between CN1X1 and and the voltage between CN1Y1 and during the damper close by pressing VANE CONTROL button There is not 5V DC between CN1X1 and Replace the...

Page 255: ...erminals on the INV board while the inverter is stopped and if it is less than 420 V check the following items 1 Check the coil connections and for coil burnout on the noise filter 2 Check the wiring between the noise filter board and INV board 3 Check the connection to SCP1 and SC P2 on the INV board 4 Check the in rush current resistor value 5 Check the 72C resistance value 6 Check the DCL resis...

Page 256: ...een the following sections Between the noise filter board INV board and the Fan board 4 Check contents 4220 Replace the Fan board if no problems are found Check the voltage at CNVDC on the Fan board while the inverter is stopped and if it is less than 420 V check the following items 1 Check between noise filter board inverter board connector board and fan board 2 Check contents 4220 Replace the Fa...

Page 257: ...25 4226 Detail Code 111 112 1 Error code definition Logic error Detail code 111 112 2 Error definition and error detection method H W error If only the H W error logic circuit operates and no identifiable error is detected 3 Cause Check method and remedy In the case of 4220 In the case of 4225 and 4226 For inverter related error codes refer to the following page s 8 10 Troubleshooting Inverter Pro...

Page 258: ...Board Error Detection Circuit page 339 Refer to the following page s 8 10 3 Checking the Compressor for Ground Fault and Coil Resistance Problems page 339 Refer to the following page s 8 10 4 Checking the Inverter for Damage at No Load page 339 Refer to the following page s 8 10 5 Checking the Inverter for Damage during Compressor Operation page 340 Refer to the following page s 8 10 11 Checking t...

Page 259: ... the following page s 8 10 Troubleshooting Inverter Problems page 337 models TOH INV20Y 100 C INV30YC 94 C Cause Check method and remedy 1 Fan board failure Refer to the following page s 8 10 8 Checking the Fan Board Error Detection Circuit at No Load page 341 8 10 9 Checking the Fan Inverter for Damage at No Load page 342 8 10 10 Checking the Fan Inverter for Damage with Load page 343 2 Outdoor u...

Page 260: ...Inverter for Damage at No Load page 342 Refer to the following page s 8 10 10 Checking the Fan Inverter for Damage with Load page 343 2 Outdoor unit fan fault Check the outdoor unit fan for proper operation If there is a problem with fan operation check the fan motor Refer to the following page s 8 10 7 Checking the Fan Motor for Ground Fault and Coil Resistance Problems page 341 3 DCL temperature...

Page 261: ... 8 10 4 Checking the Inverter for Damage at No Load page 339 8 10 5 Checking the Inverter for Damage during Compressor Operation page 340 8 10 11 Checking the Installation Conditions page 343 Check the IGBT module resistance value of the INV board if no problems are found 8 10 15 Troubleshooting Problems with IGBT Module page 345 2 The model selection switches SW5 3 5 8 on the outdoor unit are set...

Page 262: ...essor for Ground Fault and Coil Resistance Problems page 339 2 Inverter output related Refer to the following page s 8 10 2 Checking the Inverter Board Error Detection Circuit page 339 8 10 3 Checking the Compressor for Ground Fault and Coil Resistance Problems page 339 8 10 4 Checking the Inverter for Damage at No Load page 339 8 10 5 Checking the Inverter for Damage during Compressor Opera tion ...

Page 263: ...nd remedy 1 Short circuited compressor Refer to the following page s 8 10 3 Checking the Compressor for Ground Fault and Coil Resistance Problems page 339 2 Output wiring Check for a short circuit Cause Check method and remedy 1 Short circuited fan motor Refer to the following page s 8 10 7 Checking the Fan Motor for Ground Fault and Coil Resistance Problems page 341 2 Output wiring Check for a sh...

Page 264: ...heat protection at startup 2 Error definition and error detection method When heatsink temperature THHS remains at or above TOH for 10 minutes or longer after inverter startup 3 Cause check method and remedy Same as 4230 error Cause Check method and remedy 1 Inverter output related items Refer to the following page s 8 10 2 Checking the Inverter Board Error Detection Circuit page 339 Refer to the ...

Page 265: ... a short or an open is detected during thermostat ON the outdoor unit turns to anti restart mode for 3 minutes When the error is not restored after 3 minutes if restored the outdoor unit runs normally the outdoor unit makes an error stop Short detectable at 90 C 194 F or higher Open detectable at 40 C 40 F or lower Sensor error at gas side cannot be detected under the following conditions During h...

Page 266: ...he thermistor is detected the first detection the outdoor unit stops turns to anti restart mode for 3 minutes and restarts when the detected temperature of the thermistor When a short or an open is detected again the second detection after the first restart of the outdoor unit the outdoor unit stops turns to anti restart mode for 3 minutes and restarts in 3 minutes when the detected temperature is...

Page 267: ...ture is far different from the actual temper ature replace the control board TH3 TH4 TH5 TH6 TH7 TH9 TH11 TH12 Open detection 40 C 40 F and below 130 k and above 0 C 32 F and below 698 k and above 40 C 40 F and below 130 k and above 40 C 40 F and below 130 k and above 40 C 40 F and below 130 k and above 40 C 40 F and below 130 k and above 40 C 40 F and below 130 k and above 40 C 40 F and below 130...

Page 268: ...n the unit makes an error stop and an error code 5111 5112 5115 or 5116 appears on the display Detection of a short or open circuit as described above is suspended during the defrost cycle and for 3 minutes after the operation mode is changed 3 Cause check method and remedy Reference Cause Check method and remedy 1 INV board failure If the problem recurs when the unit is put into operation replace...

Page 269: ...s just before the restart the outdoor unit makes an error stop and the error code 5201 will appear During 3 minute antirestart mode preliminary errors will be displayed on the LED display A error is not detected for 3 minutes after the compressor start during defrost operation or 3 minutes after defrost operation 3 Cause check method and remedy Cause Check method and remedy 1 Contact failure Check...

Page 270: ...rter Problems page 337 Cause Check method and remedy 1 High pressure sensor failure Refer to the following page s 8 5 1 Com paring the High Pressure Sensor Measure ment and Gauge Pressure page 313 2 Torn wire coating Check for damaged wire coating 3 A pin on the male connector is missing or contact failure Check whether a connector pin is missing 4 Disconnected wire Check for disconnected or broke...

Page 271: ...ting Inverter Problems page 337 Cause Check method and remedy 1 INV board failure Refer to the following page s 8 10 2 Checking the Inverter Board Error Detection Circuit page 339 8 10 4 Checking the Inverter for Damage at No Load page 339 8 10 5 Checking the Inverter for Damage during Compressor Operation page 340 2 Compressor failure Refer to the following page s 8 10 3 Checking the Compressor f...

Page 272: ...ic current sensor detection circuit is detected 3 Cause check method and remedy For inverter related error codes refer to the following page s 8 10 Troubleshooting Inverter Problems page 337 Cause Check method and remedy 1 Inverter output wiring problem Check output wiring connections Confirm that the U and W phase output cables are put through CT12 and CT22 on the INV board respectively 2 Inverte...

Page 273: ...g Inverter Problems page 337 Cause Check method and remedy 1 Contact failure and faulty fan motor wiring Check the fan board connector CNINV and CNSNR for proper con tacts Check the wirign betweem the fan motor and fan board 2 Fan board failure Refer to the following page s 8 10 10 Checking the Fan Inverter for Damage with Load page 343 3 Fan motor error Refer to the following page s 8 10 7 Checki...

Page 274: ...loat switch connector 2 Error definition and error detection method Detection of the disconnected float switch open phase condition during operation 3 Cause check method and remedy 1 CN4F disconnection or contact failure Check for disconnection of the connector CN4F on the indoor unit control board Cause Check method and remedy 1 Outdoor factors Check that there is no wind gust or strong wind 2 Fa...

Page 275: ... the data cannot be read out from the built in nonvolatile memory on the remote controller 3 Cause check method and remedy 1 Remote controller failure Replace the remote controller 7 8 2 Error Code 6202 1 Error code definition Remote controller board fault clock IC error 2 Error definition and error detection method This error is detected when the built in clock on the remote controller is not pro...

Page 276: ...ppears on the remote controller Unit 01 detected the error Two or more units in the system have 01 as their ad dress Find the unit that has the same address as that of the error source Once the unit is found correct the address Then turn off the outdoor units indoor units BC controllers and LOSSNAY units keep them all turned off for at least five minutes and turn them back on When air conditioning...

Page 277: ... control in case of grouped indoor units connected to different outdoor units or in case of the system connected with MELANS 4 Check method and remedy NO Tightly reconnect the male power supply connector to the female power supply switch connector CN40 YES YES YES YES YES YES NO NO NO NO Is the transmission line work performed while the power is on Check the power source of the indoor unit 198 264...

Page 278: ...icrocomputer for transmission The address attribute appeared on the display on the remote controller indicates the controller where an error oc curred 3 Cause check method and remedy Cause Check method and remedy 1 The transmission processor cannot be transmit ted as the short wavelength voltage like noise ex ists consecutively on the transmission line Check the transmission wave shape and noise o...

Page 279: ...peared on the display on the remote controller indicates the controller which did not provide the response ACK 3 Cause check method and remedy Cause Check method and remedy 1 Incidental cause 1 Turn off the power source of the outdoor unit and turn it on again 2 Contact failure of transmission line of OC or IC 2 If the error is accidental it will run normally If not check the causes 2 5 3 Decrease...

Page 280: ...ms All indoor units IC are experiencing problems Troubleshooting prob lems for indoor units A Troubleshooting problems for indoor units A Troubleshooting prob lems for indoor units A Troubleshooting prob lems for indoor units B Troubleshooting prob lems for indoor units B Troubleshooting problems for all units A Troubleshooting prob lems for all units A Cause Check method and remedy 1 Incidental c...

Page 281: ... and remedy 1 Troubleshooting problems for LOSSNAY units Error display ME remote controller RC MA remote controller MA Types of refrigerant systems Single refrigerant system Grouped operation of multiple refrigerant systems Troubleshooting problems for LOSSNAY units Troubleshooting problems for LOSSNAY units Troubleshooting problems for all units A Cause Check method and remedy 1 Incidental cause ...

Page 282: ...Single refrigerant system Grouped operation of mul tiple refrigerant systems Types of indoor units experiencing problems Part of the indoor units IC are experiencing problems All indoor units IC in the same system are experi encing problems All indoor units IC are experiencing problems Troubleshooting problems for ME remote controllers Troubleshooting prob lems for ME remote con trollers Troublesh...

Page 283: ...for system controllers Error display ME remote controller RC MA remote controller MA Type of unit controller in error Part of the ME remote con trollers RC are experi encing problems All indoor units IC in the same system are experi encing problems All ME remote controllers RC are experiencing problems Troubleshooting problems for system controllers Troubleshooting prob lems for all units B Troubl...

Page 284: ...e Cause col umn When no errors are present Indoor unit circuit board failure 4 The male power supply connectors on 2 or more outdoor units are connected to the female power supply switch connector CN40 for centralized control If an error occurs after the unit runs normally once the following causes may be considered Total capacity error 7100 Capacity code error 7101 Error in the number of connecte...

Page 285: ...door units have Use either of the following two methods for dele tion 2 Although the address of LOSSNAY has been changed af ter the interlock registration of LOSSNAY is made using ME remote controller the indoor unit is keeping the mem ory of the previous address 1 Address deletion by ME remote controller Delete unnecessary address information using the manual setting function of ME remote control...

Page 286: ...ransmission line voltage signal by exceeding acceptable range of transmission wiring Farthest 200m 656ft or less Remote controller wiring 12m 39ft or less 4 The transmission line voltage signal is decreased due to erroneous sizing of transmission line Wire diameter 1 25mm2 AWG16 or more 4 Check method and remedy 1 When an error occurs during commissioning turn off the power sources for the outdoor...

Page 287: ... from the remote controller 4 Check method and remedy 1 Check for disconnected or loose transmission lines for the indoor units or MA remote controllers 2 Confirm that the power is supplied to the main power source and the remote controller line 3 Confirm that MA remote controller s capacity limit is not exceeded 4 Check the sub main setting of the MA remote controllers One of them must be set to ...

Page 288: ... remedy 1 Check for disconnected or loose transmission lines for the indoor units or MA remote controllers 2 Confirm that the power is supplied to the main power source and the remote controller line 3 Confirm that MA remote controller s capacity limit is not exceeded 4 Check the sub main setting of the MA remote controllers One of them must be set to MAIN 5 Diagnose the remote controller describe...

Page 289: ...nected or loose transmission lines for the indoor units or MA remote controllers 2 Confirm that the power is supplied to the main power source and the remote controller line 3 Confirm that MA remote controller s capacity limit is not exceeded 4 Check the sub main setting of the MA remote controllers One of them must be set to MAIN 5 Diagnose the remote controller described in the remote controller...

Page 290: ... receives the signals from the remote controller 4 Check method and remedy 1 Check for disconnected or loose transmission lines for the indoor units or MA remote controllers 2 Confirm that the power is supplied to the main power source and the remote controller line 3 Confirm that MA remote controller s capacity limit is not exceeded 4 Check the sub main setting of the MA remote controllers One of...

Page 291: ...medy 1 Contact failure short circuit or miswiring converse wiring of in door outdoor unit connecting wire Check disconnecting or looseness of indoor outdoor unit connecting wire of indoor unit or outdoor unit Check all the units in case of twin triple quadruple indoor unit system 2 Defective transmitting receiving circuit of outdoor controller cir cuit board Turn the power off and on again to chec...

Page 292: ...utdoor unit communication error Transmitting error Abnormal if 1 receiving is detected 30 times continuously though indoor controller board has transmitted 0 3 Cause check method and remedy Cause Check method and remedy 1 Defective transmitting receiving circuit of indoor controller board Turn the power off and on again to check If abnormality generates again replace indoor controller board 2 Nois...

Page 293: ... wire Check disconnecting or looseness of indoor outdoor unit connecting wire of all indoor units or outdoor units 2 Defective transmitting receiving circuit of outdoor controller cir cuit board Turn the power off and on again to check If abnormality generates again replace indoor controller board or outdoor controller circuit board Note ther indoor controller board may have defect 3 Defective tra...

Page 294: ...d outdoor units 2 Diameter or length of indoor outdoor unit connecting wire is out of specified capacity Check diameter and length of indoor outdoor unit connecting wire Total wiring length 80 m including wiring connecting each indoor unit and between indoor and outdoor unit Also check if the connection order of flat ca ble is S1 S2 S3 3 2 or more outdoor units have refrigerant address 0 In case o...

Page 295: ...1314A GB 7 9 Error Code Definitions and Solutions Codes 7000 7999 7 9 1 Error Code 7100 1 Error code definition Total capacity error 2 Error definition and error detection method The model total of indoor units in the system with one outdoor unit exceeds limitations ...

Page 296: ...tches SW5 3 5 8 on the outdoor unit control board 3 The outdoor unit and the auxiliary unit OS that is connected to the same system are not prop erly connected Confirm that the TB3 on the OC and OS are properly connected E P200 model E P250 model E P300 model E P350 model E P400 model E P450 model E P500 model E P550 model E P600 model E P650 model E P700 model E P750 model E P800 model E P850 mod...

Page 297: ...e of the outdoor and the indoor units and change the setting of the capacity code The capacity of the indoor unit can be con firmed by the self diagnosis function SW1 operation of the outdoor unit Outdoor unit 2 The model selection switches SW5 3 5 8 on the outdoor unit are set incorrectly Check the setting for the model selection switch on the outdoor unit Dipswitches SW5 3 5 8 on the outdoor uni...

Page 298: ... 7999 287 HWE1314A GB 7 Troubleshooting Using Error Codes 7 9 3 Error Code 7102 1 Error code definition Wrong number of connected units 2 Error definition and error detection method The number of connected indoor units is 0 or exceeds the allowable value ...

Page 299: ...g display will appear ME remote controller Nothing appears on the remote controller be cause it is not powered MA remote controller HO or PLEASE WAIT blinks 4 The model selection switch SW5 7 on the out door unit is set to OFF Normally set to ON 5 Outdoor unit address setting error The outdoor units in the same refrigerant circuit do not have sequential address numbers 6 In a system with the P700 ...

Page 300: ...et to 51 100 Check that the outdoor unit and BC controller addresses are set to 00 or a number between 51 and 100 If the outdoor unit address is out of the valid range reset the address with the power to the outdoor unit turned off If the BC controller address is out of the valid range reset the address with the power to both the outdoor unit and BC controller turned off Error source Cause Check m...

Page 301: ...n ii The indoor unit address which is connected to the BC controller Sub1 iii he indoor unit address which is connected to the BC controller Sub2 Address setting i ii iii ii and iii can be reversed Model total Total port number Single branching 2 branches merge 140 250 Change the port No Is there a BC controller Sub Are 4 or more indoor units connected to the same port Is the model total of indoor...

Page 302: ...f 1 Confirm that the power to the transmission booster is not cut off by the booster being connected to the switch on the indoor unit The unit will not function properly unless the transmission booster is turned on 2 Power resetting of the transmission booster and outdoor unit Reset the power to the outdoor unit 3 Wiring failure between OC and OS 2 Confirm that the TB3 on the OC and OS are properl...

Page 303: ...ection 2 Check the connector CNTYP5 on the control board for proper con nection 3 Check the settings of SW5 3 through SW5 6 on the control board Detail code 16 1 Check the connector CNTYP on the INV board for proper connec tion 2 Check the connector CNTYP5 on the control board for proper con nection 3 Check the settings of SW5 3 through SW5 6 on the control board 4 Check the wiring between the con...

Page 304: ...nection Detail code 16 1 Check the connector CNTYP on the INV board for proper connection 2 Check the connector CNTYP5 on the control board for proper connection 3 Check the wiring between the control board and INV board Refer to the following page s 7 2 1 Error Code 0403 page 226 Detail code 0 1 5 6 1 Check the wiring between the control board and INV board Refer to the following page s 7 2 1 Err...

Page 305: ...se check method and remedy Error source Cause Check method and remedy Outdoor unit The connected indoor unit is for use with R22 or R407C Incorrect type of indoor units are connected The M NET connection adapter is connected to the indoor unit system in a system in which the Slim Model A control of units are con nected to the M NET Check the connected indoor unit model Check whether the connecting...

Page 306: ...re 314 8 5 4 Low Pressure Sensor Configuration 63LS 314 8 6 Troubleshooting Solenoid Valve Problems 315 8 7 Troubleshooting Outdoor Unit Fan Problems 321 8 8 Troubleshooting LEV Problems 322 8 8 1 General Overview on LEV Operation 322 8 8 2 Possible Problems and Solutions 324 8 8 3 Coil Removal Instructions 325 8 9 Troubleshooting Problems with Major Components on BC Controller 326 8 9 1 Pressure ...

Page 307: ...1 Control Power Supply Function Block 348 8 11 2 Troubleshooting Problems with Outdoor Unit Transmission Power Supply Circuit 351 8 12 Measures for Refrigerant Leakage 354 8 13 Compressor Replacement Instructions 356 8 14 Solenoid Valve Block and Check Valve Replacement Instructions 358 8 15 BC Controller Maintenance Instructions 378 8 16 Troubleshooting Problems Using the LED Status Indicators on...

Page 308: ...cable Reversed connection of the wire for the MA remote controller and the M NET transmission line on the indoor unit 3 The number of the MA remote controllers that are connected to an indoor unit exceeds the allowable range 2 units Two PAR 31MAA controllers are connected 4 The length or the diameter of the wire for the MA remote controller are out of specification 5 Short circuit of the wire for ...

Page 309: ...tors on the multiple outdoor units are connected to the female power supply switch connector CN40 In the system to which the power supply unit for transmission lines is connected the male power supply connector is connect ed to the female power supply switch connector CN40 on the outdoor unit 4 Disconnected M NET transmission line on the indoor unit side 5 Disconnected wire between the terminal bl...

Page 310: ... indoor unit board CN2M or disconnected connector 6 Incorrect wiring for the MA remote controller Short circuited wire for the MA remote controller Disconnected wire for the MA remote controller No 2 and disconnected line to the terminal block Reversed daisy chain connection between groups Incorrect wiring for the MA remote controller to the terminal block for transmission line connection TB5 on t...

Page 311: ... fault with the equipment package indoor unit Does an error occur when the power is reset Check that no error occurs in other indoor units Check the indoor unit on which LED2 is lit All the indoor unit power failure All the indoor unit power failure Error display Error display Thermo is OFF Is operation possible Short circuit of the remote controller After turning the power on check whether HO PLE...

Page 312: ... line to the terminal block The indoor transmission line is connected incorrectly to the transmission terminal block for centralized controller TB7 4 Disconnected transmission line on the remote controller 5 Remote controller failure 6 Outdoor unit failure For details refer to the following page s 8 16 Troubleshooting Problems Using the LED Status Indica tors on the Outdoor Unit page 381 3 Check m...

Page 313: ...1 Check LED1 on the indoor unit control board Is it lit When it is lit When it is off or cannot be checked Check for the change of LED display by operating dip switch for self diagnosis Check voltage of the power supply terminal on the indoor unit AC220V Check the fuse on the circuit board Melted Check 200V circuit for short circuit and ground fault Check the connection of the connector Check the ...

Page 314: ...B7 of the outdoor unit 3 The male power supply connector is connected to CN40 on more than one outdoor unit or the connector is connected to CN40 on the outdoor unit in the system to which a power supply unit for transmission line is connected Using MELANS 1 When MELANS is used HO display on the remote controller will disappear when the indoor unit and the local remote con troller ME remote contro...

Page 315: ...nits are grouped 6 The power of the outdoor unit to be confirmed has been cut off 5 Check the power supply of the outdoor unit which is coupled with the unit to be confirmed 7 Transmission line is disconnected from the terminal block for central control system connection TB7 on the outdoor unit 6 Check that the transmission line for centralized control TB7 of the outdoor unit is not disconnect ed ...

Page 316: ...ad the SW settings refer to the follow ing page s 9 1 1 How to Read the LED page 385 2 Check temperature difference between the evaporat ing temperature Te and the target evaporating tem perature Tem with self diagnosis LED Note Higher Te than Tem causes insufficient capacity SW4 setting SW6 10 OFF For how to read the SW settings refer to the follow ing page s 9 1 1 How to Read the LED page 385 No...

Page 317: ...the previous page Refer to the following page s 6 9 Evaluating and Ad justing Refrigerant Charge page 179 7 Clogging by foreign object Check the temperature difference between in front of and behind the place where the foreign object is clog ging the pipe upstream side and downstream side When the temperature drops significantly the foreign object may clog the pipe Remove the foreign object inside...

Page 318: ...ge 313 Note Higher inlet pressure by the high pressure sensor than the actual pressure causes insufficient capac ity SW4 setting SW6 10 OFF For how to read the SW settings refer to the fol lowing page s 9 1 1 How to Read the LED page 385 2 Check the difference between the condensing tem perature Tc and the target condensing tempera ture Tcm with self diagnosis LED Note Higher Tc than Tcm causes in...

Page 319: ...he pipe 7 Piping size is not proper thin 8 Clogging by foreign object Check the temperature difference between the up stream and the downstream of the pipe section that is blocked Since blockage in the extended section is difficult to locate operate the unit in the cooling cycle and follow the same procedures that are used to locate the blockage of pipe during cooling operation Remove the blockage...

Page 320: ...lay with SW4 Refer to the reference page for each error mode 1 Abnormal high pressure 2 Abnormal discharge air temperature 3 Heatsink thermistor failure Display the indoor piping temperature table with SW4 to check whether the freeze proof operation runs properly and check the temperature 4 Thermistor failure Refer to the following page s 9 LED Status Indica tors on the Outdoor Unit Circuit Board ...

Page 321: ...d of the transmission line is grounded 2 The sectional voltage level of transmission signal should be as follows Cause Erroneous operation Error code Error code definition Noise interference on the transmission line Signal is transformed and will be misjudged as the signal of another address 6600 Address overlap Transmission wave pattern is transformed due to the noise creating a new signal 6602 T...

Page 322: ...grounding is provided the noise on the transmission line can not escape leading to change of the transmission signal 6 Check the treatment meth od of the shield of the transmission line for cen tralized control The transmission cable for centralized control is less subject to noise interference if it is grounded to the outdoor unit whose power jumper cable was moved from CN41 to CN40 or to the pow...

Page 323: ...n line and the communication between the MA remote controller and the indoor unit is interrupted for 3 minutes in a row MA transmission error 6831 will occur 2 Confirmation of transmission specifications and wave pattern A B No polarity Across terminal No 1 2 Power supply 9V to 12VDC Satisfies the formula 12 msec bit 5 Voltage among terminals must be between DC9 and 12 V TB15 A B 1 2 MA remote con...

Page 324: ...sure sensor has a problem 3 Remove the high pressure sensor from the control board to check the pressure on the self diagnosis LED1 1 When the pressure displayed on self diagnosis LED1 is between 0 and 0 098MPa 14psi the high pressure sensor has a problem 2 When the pressure displayed on self diagnosis LED1 is approximately 4 15MPa 601psi the control board has a problem 4 Remove the high pressure ...

Page 325: ... diagnosis LED1 is approximately 1 7MPa 247psi the control board has a problem When the outdoor temperature is 30 C 86 F or less the control board has a problem When the outdoor temperature exceeds 30 C 86 F go to 5 4 Remove the low pressure sensor from the control board and short circuit between the No 2 and 3 connectors 63LS CN202 to check the pressure with the self diagnosis LED1 1 When the pre...

Page 326: ...or 4 minutes and the operation can be checked by the self diagnosis LED display and the closing sound 2 To check whether the valve is open or closed check the change of the SV1a downstream piping temperature while the valve is being powered Even when the valve is closed high temperature refrigerant flows inside the capillary next to the valve Therefore temperature of the downstream piping will not...

Page 327: ...gram 1 P200 P250 P300 P350 P400 Solenoid valve block three compartments 1 1 2 2 3 3 3 5 5 4 4 is located behind BV2 ST1 BV1 CV8a CV6a TH7 TH9 TH11 TH3 SV4a SV4b SV4d Solenoid valve block TH6 CV9a CV4a CV2a CV7a CV3a CV5 SV5b ST18 HEX LEV5a 1 CP3 SV4d SV4b SV4a SV4d SV4b SV4a 2 1 3 4 5 ...

Page 328: ...s 2 P450 P500 Solenoid valve block three compartments 1 1 2 2 3 3 3 5 5 4 4 is located behind BV2 ST1BV1 CV8 CV5a CV4a CV3a CV2a CV6a CV7a TH3 TH12 SV4a SV4b SV4c CV7b CV5b CV4b CV6b SV4d CV2b TH7 TH9 TH11 TH6 HEX HEX LEV5a LEV5b 1 CP3 SV5b ST18 Solenoid valve block SV4d SV4b SV4a SV4d SV4b SV4a 2 1 3 4 5 ...

Page 329: ...00 EP350 Solenoid valve block three compartments 1 1 2 2 3 3 3 5 5 4 4 is located behind SV4d SV4b SV4a SV4d SV4b SV4a L S BV2 ST1 BV1 CV8a CV6a TH7 TH9 TH11 TH3 SV4a SV4b SV4d TH6 CV9a CV4a CV2a CV7a CV3a CV5a SV5b ST18 HEX LEV5a 1 CP3 SV7 ST8 Solenoid valve block 2 1 3 4 5 BV3 ...

Page 330: ...450 EP500 Solenoid valve block three compartments 1 1 2 2 3 3 3 5 5 4 4 is located behind SV4d SV4b SV4a SV4d SV4b SV4a BV2 ST1BV1 BV3 CV8 CV5a CV4a CV3a CV2a CV6a CV7a TH3 TH12 SV4a SV7 SV4b SV4c CV7b CV5b CV4b CV6b SV4d CV2b TH7 TH9 TH11 TH6 HEX HEX LEV5a LEV5b 1 CP3 SV5b ST18 ST1 L S Solenoid valve block 2 1 3 4 5 ...

Page 331: ...ven if the frequency becomes the minimum If you measure the temperature of the pipe downstream of SV9 while the valve is in the non energized state you can determine whether or not the valve is open from the corresponding change in temperature When the valve is open high temperature gas refrigerant passes through the pipe so do not attempt to check the pipe tem perature by touching the pipe 7 In t...

Page 332: ... As the revolution of the fan changes under control at the interphase or when the indoor unit operation capacity is low the revolution of the fan may change If the fan does not move or it vibrates Fan board problem or fan motor problem is suspected When checking the fan motor for problems by shutting down the power be sure to disconnect the motor wire from the fan board If a short circuited fan bo...

Page 333: ...er LEV1 G1 type only and LEV3 2 Control boards indoor unit and BC controller LEV BC controller LEV1 applicable only to the GA1 and HA1 types and the outdoor unit LEV LEV5a and 5b Note The connector numbers on the intermediate connector and the connector on the control board differ Check the color of the lead wire to judge the number Outdoor control board Drive circuit LEV M 5 5 2 2 1 1 3 3 4 4 6 6...

Page 334: ...the output is open phase or remains ON the motor cannot run smoothly and rattles and vibrates When the power is turned on the valve closing signal of 2200 pulses will be output from the indoor board to LEV to fix the valve position It must be fixed at point A When the valve operates smoothly no sound from LEV or no vibration occurs however when the pulses change from E to A in the chart or the val...

Page 335: ...d white red or ange brown yellow brown blue using a tester They are normal if resistance is 150Ω 3 Replace the LEV coils Indoor unit and BC control ler LEV1 GA1 HA1 type Incomple seal ing leak from the valve When checking the refrigerant leak from the indoor LEV run the target indoor unit in the fan mode and the other in door units in the cooling mode Then check the liquid tem perature TH22 with t...

Page 336: ... coil After checking that the stopper is re moved pull up and out the coil When removing the coil hold the LEV body securely to prevent undue force from being placed on the pipe and bending the pipe 3 Installing the coil Securely hold the bottom of the LEV section A in the figure insert the coil from above and turn the coil until the coil stopper is properly installed on the LEV body When removing...

Page 337: ...ilure Check whether the contact of the pressure sensor connector in trouble is not faulty OK OK Check that the difference between each detected pressure is 0 098MPa 14psi or less OK Both the board and the pressure sensor are normal OK Is Pd P1 P3 Ps Remove the pressure sensor connector from the board and check the pressure OK OK Check whether the refrigerant pipe and the transmission line are conn...

Page 338: ...d pressure sensor is disconnected from the board Cooling only Heating only Heating main Non cooling Indoor heating SC small Heating indoor Thermo ON Especially noise is large Indoor heating SC small Heating indoor Thermo ON Especially noise is large Cooling main Symptoms SC11 large SC16 small PHM large SC11 large SC16 small PHM large Non cooling Normal SC11 large SC16 small PHM large For how to re...

Page 339: ...ance measured by the thermistor and the temperature measured by a commercially available thermometer and check whether there is no difference between them Insert the connector of the thermistor in trouble into the board check the sensor inlet temperature on the LED monitor and check the temperature difference START Normal Troubleshooting instructions for thermistor Replace the thermistor Temperatu...

Page 340: ...t is 10 it is normal 3 Check the self diagnosis switch Outdoor control board SW1 For how to read the SW settings refer to the following page s 9 1 1 How to Read the LED page 385 ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OF...

Page 341: ...Check that LEV1 is fully open Check that LEV1 is fully open Check that SVA and SVC are ON Check that SVA and SVC are OFF Cooling or heating operation Note 2 Heating operation Check whether LEV3 is controlling superheat Check LEV1 Check LEV3 Check SVA and SVC Check SVB LEV1 is fully open Check whether LEV 3 is controlled by the value of the differential pressure LEV1 is fully open Note 3 Note 2 Not...

Page 342: ...l branch pipe SC small BC controller sound Non cooling and non heating SH12 small SC11 small SH16 large but branch pipe SC small BC controller sound PHM large Indoor heating SC small PHM large Non cooling Indoor heating SC small PHM large Part Malfunction mode Operation mode Content Standards of judgment on unit stable operation G1 GA1 HA1 type LEV1 Inclined to close Heating only Heating main Cool...

Page 343: ...F ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF ON 1 2 3 4 5 6 7 8 9 10 OFF LEV1 opening LEV3 opening LEV3 opening BC controller bypass outlet superheat BC controller intermediate part subcool SH12 LEV2 opening LEV3 opening SC16 BC controller liquid side subcool SC11 Measurement data SW4 setting value Sym...

Page 344: ...n the connector and check the colors of the lead wires visually Intermediate connector Control board Check that no refrigerant leaks from LEV Pull out the connector from the board and check that the electricity runs with a tester The wiring side of CN05 and 07 Among 1 3 and 5 and among 2 4 and 6 Check the resistance between each coil with a tester between red and white red and orange brown and yel...

Page 345: ...n mode Corresponds Measure the temperature at the upstream and downstream pipes of the solenoid valve When the solenoid valve is ON There is no temperature difference When the solenoid valve is OFF There is a temperature difference OK Remove the solenoid valve coil and check that there is a suction force There is a suction force Note 2 Note 2 Note 2 Measure the temperature at the upstream and down...

Page 346: ...nd SVM2b turn on or off according to the indoor unit operation mode 2 SVA SVB SVC Measure the temperature at the upstream and downstream pipes and of SVA Measure the temperature at the upstream and downstream pipes and of SVB Mode Cooling Heating Stopped Defrost Fan Port SVA ON OFF OFF OFF OFF SVB OFF ON OFF OFF OFF SVC ON OFF OFF OFF ON Operation mode Cooling only Cooling main Heating only Heatin...

Page 347: ...n BC Controller 336 HWE1314A GB 8 9 5 BC Controller Transformer Before measuring the resistance pull out the connector Normal Abnormal CNTR 1 3 about 58 Ω Open phase or shorting CN03 1 3 about 1 6 Ω CNTR CN03 BC controller control board Red White Red Red ...

Page 348: ...FAN2 on the capacitor board Before connecting or disconnecting connectors make sure that the outdoor unit fans are stopped and that the voltage of the main circuit capacitor is 20 VDC or below If the outdoor unit fan is turned by strong winds the main circuit capacitor will be energized and poses an electric shock hazard Refer to the wiring diagram name plate for details 3 To connect wiring to TB7...

Page 349: ...olently at all times or makes an abnormal sound Check the inverter frequency on the LED monitor If the frequency indi cates that the units are in operation refer to the following page s 8 10 8 Checking the Fan Board Error Detection Circuit at No Load page 341 8 10 9 Checking the Fan Inverter for Damage at No Load page 342 8 10 10 Checking the Fan Inverter for Damage with Load page 343 9 Noise is p...

Page 350: ...nt in the compressor If there is none replace the compres sor 2 Compressor coil resistance failure Coil resistance value of 0 72 Ω 20 C 68 F E P200 E P250 models Coil resistance value of 0 32 Ω 20 C 68 F E P300 E P350 models Coil resistance value of 0 30 Ω 20 C 68 F E P400 E P450 models Coil resistance value of 0 43 Ω 20 C 68 F E P500 model Replace the compressor Items to be checked Phenomena Reme...

Page 351: ...eplace the INV board if there is a volt age imbalance Check the belt heater for problems if there is no voltage imbalance When the error occurred liquid refrig erant may have been present in the compressor INV30YC 3 A BUS circuit error occurs immediately after compressor startup Error code 4220 Detail code 124 a Check that 12 VDC is supplied to the relay at startup Check that LED5 lights up Betwee...

Page 352: ...ce the inverter board b If the problem persists after replacing the inverter board replace the DCL 3 An overvoltage error occurs after converter circuit goes into opera tion Error code 4220 Detail code 109 110 112 a If the problem persists after startup re place the inverter board b If the problem persists after replacing the inverter board replace the DCL 4 No problems were found with items 1 thr...

Page 353: ...2 Disconnect the connector CNINV from the fan board 2 Less than 5V unbalance in the wir ing Change fan board 3 Set fan board switch SW1 1 to ON 3 No unbalanced voltage in the wiring After 30 second detail code 132 is produced and the system stops Normal After checking return SW1 CNINV 4 Turn on breaker 5 Operate unit After about 30 seconds under no load with constant voltage output the code below ...

Page 354: ...esn t re solve issue change fan motor 4 Sensor error during operation Check code 5305 5306 Detail code 132 133 a Check for gusts or windy conditions b If no issues with wind but the error is still present change Fan board c Change fan motor if Fan board change doesn t resolve issue 5 Voltage overload error Check code 4225 4226 Detail code 109 a Check for gusts or windy conditions b Change Fan boar...

Page 355: ... 10 14 Simple Check on Inverter Circuit Compo nents page 345 IGBT module Rush current protection resistor Electromagnetic relay DC reactor 3 Turn on the power again and check again 1 Main power breaker trip 2 No remote control display 4 Turn on the outdoor unit and check that it operates normally 1 Operates normally without tripping the main breaker a The wiring may have been short circuit ed Sear...

Page 356: ...whose internal electrical power source is 1 5V or greater Use the dry battery powered tester The accurate diode specific resistance cannot be measured with the button battery powered card tester as the applied volt age is low Use a low range tester if possible A more accurate resistance can be measured Part name Judgment method IGBT module Refer to the following page s 8 10 15 Troubleshooting Prob...

Page 357: ...ment value reference Black SC P1 FT N SC L1 SC L2 SC L3 Red SC P1 5 200 Ω 5 200 Ω 5 200 Ω FT N SC L1 5 200 Ω SC L2 5 200 Ω SC L3 5 200 Ω Black SC P2 FT N SC U SC V SC W Red SC P2 5 200 Ω 5 200 Ω 5 200 Ω FT N SC U 5 200 Ω SC V 5 200 Ω SC W 5 200 Ω SC U SC W SC V FT N SC P1 SC P2 SC L1 SC L2 SC L3 ...

Page 358: ...dgment value reference Black SC L1 SC L2 SC L3 SC B SC L FT R21 SC N Red SC L1 5 200 Ω SC L2 5 200 Ω SC L3 5 200 Ω SC B SC L 5 200 Ω 5 200 Ω 5 200 Ω FT R21 5 200 Ω SC N Black FT R21 SC N SC U SC V SC W Red FT R21 5 200 Ω 5 200 Ω 5 200 Ω SC N SC U 5 200 Ω SC V 5 200 Ω SC W 5 200 Ω SC L1 SC L SC U SC L2 SC L3 SC V SC W SC P SC N FT R21 SC B ...

Page 359: ... Terminal block for MA remote controller Terminal block for transmission line connection 17 30 VDC 380 415 VAC Terminal block for power source TB1 Noise filter Noise filter Fuse Fuse Fuse 72C LEV Fuse Surge protection INV board Control board Fan board 63H1 72C DCL DC DC converter Detection circuit for the power supply to the transmission line M NET board DC DC converter Microcomputer Microcomputer...

Page 360: ...n INV board Control board Fan board 63H1 72C DCL DC DC converter Detection circuit for the power supply to the transmission line M NET board DC DC converter Microcomputer Microcomputer Microcomputer 5 V Power supply 16 V Power supply 12V Power supply 30 V Power supply Relay drive circuit Relay 5 V Power supply 5 V Power supply 17V Power supply Smoothing capacitor Inverter Inverter Inverter drive c...

Page 361: ...erter DC DC converter DC DC converter Detection circuit for the power supply to the transmission line Detection circuit for the power supply to the transmission line M NET board Microcomputer Microcomputer Microcomputer Microcomputer 30V Power supply Relay drive circuit Relay 5V Power supply 5V Power supply 5V Power supply 5V Power supply 12V Power supply 16V Power supply 16V Power supply 17V Powe...

Page 362: ...wer on Fix the wiring and connector disconnection Check for shorted transmission line or power feed collision for centralized control Replace the control board Check the voltage between No 1 and No 2 pins of the CN102 on the M NET board for the transmission line Check the voltage between No 1 and No 3 pins of the noise filter CN4 Check the voltage between No 1 and No 3 pins of the noise filter CN5...

Page 363: ...eplace F3 then turn the power on Fix the wiring and connector disconnection Check for shorted transmission line or power feed collision for centralized control Replace the control board Check the voltage between No 1 and No 2 pins of the CN102 on the M NET board for the transmission line Check the voltage between No 1 and No 4 pins of the CN104 on the capacitor board for the transmission line Chec...

Page 364: ... C YES YES NO NO 198 264 VAC 198 264 VAC Check the voltage between L3 and N at the power supply terminal block TB1 Replace the M NET board Replace the noise filter Replace the noise filter Check and fix any power supply wiring and main power supply problems found Turn on the power again ...

Page 365: ...In the case of outdoor unit Cooling season 1 Run all the indoor units in the cooling test run mode 1 To run the indoor unit in test run mode turn SW4 769 on the outdoor unit control board to ON 2 Change the setting of the remote controller for all the indoor units to the cooling mode 3 Check that all the indoor units are performing a cooling operation 2 Check the SC16 value This value can be displ...

Page 366: ...d BV2 4 Collect the refrigerant that remains inside the indoor unit Do not discharge refrigerant into air into the atmosphere when it is collected 5 Repair the leak 6 After repairing the leak perform evacuation of the extension pipe 1 for the indoor unit and open the ball valves BV1 and BV2 to adjust refrigerant 4 Leak spot In the case of outdoor unit Heating season 1 Collect the refrigerant in th...

Page 367: ...sor components and replace the compressor Reassemble them in the reverse order after replacing the compressor 1 Remove both the top and bottom service panels front panels 3 Remove the wires that are secured to the frame and remove the frame Electric wiring Frame Service panel Control box Compressor cover front 2 Remove the control box and the compressor cover front ...

Page 368: ...or cover top 4 Remove the compressor cover top Compressor cover right Protection for the sealing material Suction piping Protection for the compressor cover 6 Place protective materials on the insulation lining of the compressor cover and on the sealing material on the compressor suction pipe to protect them from the torch flame debraze the pipe and replace the compressor ...

Page 369: ...ble models PURY P200 P250 P300 P350 P400YLM A 1 BS 2 Parts to be serviced Set content Following instructions are applicable to 1 4 service parts on the table below Things required for replacing Item Code Solenoid valve block service parts set Set content Replacement instructions Solenoid valve block ASSY KB00S879G21 WT07370X01 KB00V528G01 Service parts replacement instructions Set content Replacem...

Page 370: ... the screw M5 that fixes the Solenoid valve block and the supporting plate for Solenoid valve block To install Solenoid valve block ASSY Fix the Solenoid valve block ASSY and the supporting plate with the fixing screw M5 Mount the Solenoid valve block ASSY replacement to the unit with care not to damage heat exchanger fins and peripheral piping devices Fix the supporting plate for Solenoid valve b...

Page 371: ... valve block Removing or installing Solenoid valve block Brazing or debrazing pipes Removing or fixing the Supporting plate for Solenoid valve block Removing Solenoid valve block ASSY This figure does not show heat exchanger Removed Solenoid valve block ASSY Screw M5 Supporting plate for Solenoid valve block Solenoid valve block Refer to the next page for Check valve CV4a CV6a CV8a CV9a replacemen...

Page 372: ...M Mount the Solenoid valve block ASSY coil cover and peripheral cables back in place according to 1 Solenoid valve block ASSY SV4a SV4b SV4d replacement procedures on the previous page Precautions for replacing Check valve Be sure to perform no oxidation brazing when brazing Place a wet towel on the Check valve when heating pipes to keep the temperature of the valve from exceed ing 120ºC After bra...

Page 373: ...er CV8a Check valve ASSY L M K I J When replacing CV4a Remove the brazing 1 When replacing CV6a Remove the brazing 2 When replacing CV8a Remove the brazing 3 and 4 When replacing CV9a Remove the brazing 5 and 6 Brazing or debrazing pipes 2 3 J ø15 88 2 3 I ø28 6 2 3 Check valve replacement 3 Angle of the pipes when replacing CV8a CV9a Figure as viewed from point M 3 47 40 29 3 0 45 35 29 3 0 P200 ...

Page 374: ...icable to 1 4 service parts on the table below NO Parts to be serviced 1 Solenoid valve block ASSY SV4a SV4b SV4d 2 Check valve CV4a Check valve CV6a 3 Things required for replacing Item Code Solenoid valve block service parts set Set content Replacement instructions Solenoid valve block ASSY KB00S879G26 WT07371X01 KB00V530G01 Service parts replacement instructions Set content Replacement instruct...

Page 375: ...block and the supporting plate for Solenoid valve block To install Solenoid valve block ASSY Remove the pipe from the brazed G part Fix the Solenoid valve block ASSY and the supporting plate with the fixing screw M5 Mount the Solenoid valve block ASSY replacement to the unit with care not to damage heat exchanger fins and peripheral piping devices Fix the supporting plate for Solenoid valve block ...

Page 376: ...enoid valve block Solenoid valve block Debrazing pipe Removing or fixing the Supporting plate for Solenoid valve block G ø15 88 E ø15 88 F ø28 6 ø12 7 ø19 05 Remove the pipe from the brazed G 3 Remove the cable that is fixed to the Frame M ASSY and remove the Frame M ASSY This figure does not show heat exchanger 2 Remove the control box 1 Remove the upper and lower service panels Panel FU and FB 6...

Page 377: ...l cables back in place according to 1 Solenoid valve block ASSY SV4a SV4b SV4d replacement procedures on the previous page Part A Refer to the next page After removing Solenoid valve block ASSY Precautions for replacing Check valve Be sure to perform no oxidation brazing when brazing Place a wet towel on the Check valve when heating pipes to keep the temperature of the valve from exceeding 120ºC A...

Page 378: ...ptoms Detailed View of Part A CV4a CV8a CV6a 2 1 H I J K When replacing CV4a Remove the brazing 1 When replacing CV6a Remove the brazing 2 When replacing CV8a Remove the brazing 3 This figure does not show heat exchanger ø22 2 3 ø22 2 ø15 88 Check valve replacement 3 Brazing or debrazing pipes 3 2 3 2 K ø15 88 3 2 I ø15 88 ...

Page 379: ...00 EP350YLM A BS 2 Parts to be serviced Set content Following instructions are applicable to 1 4 service parts on the table below Things required for replacing Item Code Solenoid valve block service parts set Set content Replacement instructions Solenoid valve block ASSY KB00S879G30 WT07372X01 KB00V531G01 Service parts replacement instructions Set content Replacement instructions Check valve Servi...

Page 380: ... the screw M5 that fixes the Solenoid valve block and the supporting plate for Solenoid valve block To install Solenoid valve block ASSY Fix the Solenoid valve block ASSY and the supporting plate with the fixing screw M5 Mount the Solenoid valve block ASSY replacement to the unit with care not to damage heat exchanger fins and peripheral piping devices Fix the supporting plate for Solenoid valve b...

Page 381: ...ock Supporting plate for Solenoid valve block D ø15 88 Removing or installing Solenoid valve block Brazing or debrazing pipes Removing or fixing the Supporting plate for Solenoid valve block Removing Solenoid valve block ASSY This figure does not show heat exchanger Removed Solenoid valve block ASSY Screw M5 Supporting plate for Solenoid valve block Solenoid valve block Refer to the next page for ...

Page 382: ... M Mount the Solenoid valve block ASSY coil cover and peripheral cables back in place according to 1 Solenoid valve block ASSY SV4a SV4b SV4d replacement procedures on the previous page Precautions for replacing Check valve Be sure to perform no oxidation brazing when brazing Place a wet towel on the Check valve when heating pipes to keep the temperature of the valve from exceed ing 120ºC After br...

Page 383: ...r EP200 EP250 EP300 EP350 CV8a Check valve ASSY L M K I J When replacing CV4a Remove the brazing 1 When replacing CV6a Remove the brazing 2 When replacing CV8a Remove the brazing 3 and 4 When replacing CV9a Remove the brazing 5 and 6 Brazing or debrazing pipes 2 3 J ø15 88 2 3 I ø28 6 2 3 Check valve replacement 3 Angle of the pipes when replacing CV8a CV9a Figure as viewed from point M 3 45 30 2 ...

Page 384: ...pplicable to 1 4 service parts on the table below NO Parts to be serviced 1 Solenoid valve block ASSY SV4a SV4b SV4d 2 Check valve CV4a Check valve CV6a 3 Things required for replacing Item Code Solenoid valve block service parts set Set content Replacement instructions Solenoid valve block ASSY KB00S879G35 WT07373X01 KB00V533G01 Service parts replacement instructions Set content Replacement instr...

Page 385: ...block and the supporting plate for Solenoid valve block To install Solenoid valve block ASSY Remove the pipe from the brazed G part Fix the Solenoid valve block ASSY and the supporting plate with the fixing screw M5 Mount the Solenoid valve block ASSY replacement to the unit with care not to damage heat exchanger fins and peripheral piping devices Fix the supporting plate for Solenoid valve block ...

Page 386: ...enoid valve block Solenoid valve block Debrazing pipe Removing or fixing the Supporting plate for Solenoid valve block G ø15 88 E ø15 88 F ø28 6 ø12 7 ø19 05 Remove the pipe from the brazed G 3 Remove the cable that is fixed to the Frame M ASSY and remove the Frame M ASSY This figure does not show heat exchanger 2 Remove the control box 1 Remove the upper and lower service panels Panel FU and FB 6...

Page 387: ...and peripheral cables back in place according to 1 Solenoid valve block ASSY SV4a SV4b SV4d replacement procedures on the previous page Part A Refer to the next page After removing Solenoid valve block ASSY Precautions for replacing Check valve Be sure to perform no oxidation brazing when brazing Place a wet towel on the Check valve when heating pipes to keep the temperature of the valve from exce...

Page 388: ...E1314A GB 8 Troubleshooting Based on Observed Symptoms Detailed View of Part A CV4a CV8a CV6a 2 1 H I J K When replacing CV4a Remove the brazing 1 When replacing CV6a Remove the brazing 2 When replacing CV8a Remove the brazing 3 ø22 2 3 ø22 2 ø15 88 Check valve replacement 3 ...

Page 389: ...ceiling panel and remove the ceiling panel Work procedure Explanatory figure 1 To check the inside of the control box remove the two lock nuts on the control box cover 1 Check the terminal connection of the power wire or of the transmission line 2 Check the transformer 3 Check the address switch 2 When the control board is replaced the followings must be noted 1 Check that the board type is G1 GA1...

Page 390: ...e tempera ture sensor housing and replace the temperature sensor with the new one 4 Connect the lead wire of the temperature sensor se curely on the control board CMB 1016V GA1 Work procedure Explanatory figure 1 Remove the service panel 1 For the pressure sensors PS1 and PS3 refer to 1 1 2 2 Remove the pressure sensor connector in trouble from the control board and insulate the connector 1 Liquid...

Page 391: ... Explanatory figure 1 Remove the service panel See figure at right 2 Remove the connector of the solenoid valve in trou ble 3 Remove the solenoid valve coil 1 The coils on the solenoid valves SVA SVB SVM1 SVM1b SVM2 and SVM2b can be serviced through the inspection door SVC is accessible for replacement by removing the four mounting screws on the rear panel and removing the panel if enough space is...

Page 392: ...1 2 If the LED error display becomes lit when the power is turned on with all the connectors on the control board except CNDC disconnected there is a problem with the wiring to those connectors or with the connectors themselves 3 If nothing appears on the display under item 2 above AND the voltage between pins 1 and 3 of CNDC is within the range between 220 VDC and 380 VDC control board failure is...

Page 393: ... 8 16 Troubleshooting Problems Using the LED Status Indicators on the Outdoor Unit 382 HWE1314A GB ...

Page 394: ...apter 9 LED Status Indicators on the Outdoor Unit Circuit Board 9 1 LED Status Indicators 385 9 1 1 How to Read the LED 385 9 1 2 Initial LED Display 386 9 1 3 Clock Memory Function 387 9 2 LED Status Indicators Table 388 ...

Page 395: ... 384 HWE1314A GB ...

Page 396: ...and temperature are examples of numerical values and operating conditions and the on off status of solenoid valve are examples of flag display SW4 10 is set to 0 on the LED Status Indicators Table In the example above 1 through 9 are set to OFF and 10 is set to ON 1 Display of numerical values Example When the pressure data sensor reads 18 8kg cm2 Item No 58 The unit of pressure is in kg cm2 Use t...

Page 397: ...ing that corresponds to No 517 in the LED display table Only item No 1 Software Version appears on the display if there is a wiring failure between the control board and the trans mission line power supply board or if the circuit board has failed No Item Display Remarks 1 Software version 0103 Version 1 03 2 Refrigerant type 410 R410A 3 Model and capacity H 20 Cooling Heating 20 HP For the first f...

Page 398: ... off When the power is turned off and then on again the count will resume from the time before the power was turned off Thus the time that differs the actual time will be displayed This also applies when a power failure occurs The system controller such as AG 150A adjusts the time once a day When the system controller is connected the time will be automatically updated to the correct current time ...

Page 399: ...splay 2 0100000000 Check error display 3 Including IC and BC 0000 to 9999 Address and error codes highlighted B If no errors are detected appears on the dis play 3 1100000000 Relay out put display 2 Top 21S4a SV10 CH11 SV1a SV11 A A Bottom 21S4b SV5b 4 0010000000 Relay out put display 3 Top SV4a SV4b SV4c SV4d SV9 A A Bottom SV7 7 1110000000 Special control Retry opera tion Emergency operation Com...

Page 400: ...No 21 Unit No 22 Unit No 23 Unit No 24 Bottom Unit No 25 Unit No 26 Unit No 27 Unit No 28 Unit No 29 Unit No 30 Unit No 31 Unit No 32 18 0100100000 Top Unit No 33 Unit No 34 Unit No 35 Unit No 36 Unit No 37 Unit No 38 Unit No 39 Unit No 40 Bottom Unit No 41 Unit No 42 Unit No 43 Unit No 44 Unit No 45 Unit No 46 Unit No 47 Unit No 48 19 1100100000 Top Unit No 49 Unit No 50 Bottom 20 0010100000 Indo...

Page 401: ...010000 Outdoor unit Operation mode Permissible stop Standby Cooling Cooling main Heating Heating main A A 42 0101010000 Outdoor unit control mode Stop Thermo OFF Abnormal stop Scheduled control Initial start up Defrost Oil balance Low fre quency oil recovery A A 43 1101010000 Warm up mode Refrigerant recovery Continuous heating 2 Continuous heating 1 A A 45 1011010000 TH4 99 9 to 999 9 A A The uni...

Page 402: ...ompressor and equals the integer multiples x1 x2 etc of the operating frequency of the com pressor 92 0011101000 Number of times error occurred during crank case heating by com pressor motor 0000 to 9999 A A Number of times INV er ror occurred during IH crankcase heating by compressor motor 93 1011101000 All AK OC OS 0000 to 9999 B 94 0111101000 AK 0000 to 9999 A A 95 1111101000 FAN1 0000 to 9999 ...

Page 403: ...sure drop Low pres sure drop Abnormal Td rise High pres sure during defrost cycle Control box temperature rise A A Stays lit for 90 seconds after the completion of backup control 123 1101111000 COMP number of start stop events Upper 4 digits 0000 to 9999 A A Count up at start up The unit is Time 124 0011111000 COMP number of start stop events Lower 4 digits 0000 to 9999 A A 129 1000000100 Integrat...

Page 404: ...VA7 SVB7 SVC7 SVA8 SVB8 SVC8 140 0011000100 Top SVA9 SVB9 SVC9 SVA10 SVB10 SVC10 B Bottom SVA11 SVB11 SVC11 SVA12 SVB12 SVC12 141 1011000100 Top SVA13 SVB13 SVC13 SVA14 SVB14 SVC14 B Bottom SVA15 SVB15 SVC15 SVA16 SVB16 SVC16 143 1111000100 Relay out put display BC Sub2 Top SVA1 SVB1 SVC1 SVA2 SVB2 SVC2 B Bottom SVA3 SVB3 SVC3 SVA4 SVB4 SVC4 144 0000100100 Top SVA5 SVB5 SVC5 SVA6 SVB6 SVC6 B Botto...

Page 405: ... 160 0000010100 BC Main LEV3 0000 to 2000 B LEV3 opening Fully open 2000 161 1000010100 BC Sub1 TH12 99 9 to 999 9 B 162 0100010100 BC Sub1 TH15 99 9 to 999 9 B 163 1100010100 BC Sub1 LEV3 0000 to 2000 B LEV3 opening Fully open 2000 164 0010010100 BC Sub2 TH12 99 9 to 999 9 B 165 1010010100 BC Sub2 TH15 99 9 to 999 9 B 166 0110010100 BC Sub2 LEV3 0000 to 2000 B LEV3a opening Fully open 2000 167 11...

Page 406: ...details of inverter Error details of inverter 0001 0120 A A 188 0011110100 Error history 6 0000 to 9999 B B 189 1011110100 Error details of inverter Error details of inverter 0001 0120 A A 190 0111110100 Error history 7 0000 to 9999 B B 191 1111110100 Error details of inverter Error details of inverter 0001 0120 A A 192 0000001100 Error history 8 0000 to 9999 B B 193 1000001100 Error details of in...

Page 407: ...Stop Thermo OFF Abnormal stop Scheduled control Initial start up Defrost Oil balance Low fre quency oil recovery A A 209 1000101100 Refrigerant recovery Continuous heating 2 Continuous heating 1 A A 211 1100101100 Relay output display 1 Lighting Comp in op eration 72C OC Always lit A A 212 0010101100 Relay out put display 2 Lighting Top 21S4a SV10 CH11 SV1a SV11 A A Bottom 21S4b SV5b 213 101010110...

Page 408: ...00 to 9999 B Control data Hz 258 0100000010 Total frequency of each unit 0000 to 9999 A A 259 1100000010 COMP frequency 0000 to 9999 A A 264 0001000010 All AK OC OS 0000 to 9999 B 265 1001000010 AK 0000 to 9999 A A 266 0101000010 FAN1 0000 to 9999 A A Fan inverter output 267 1101000010 Fan inverter output rpm FAN1 0000 to 9999 A A rpm 268 0011000010 FAN2 0000 to 9999 A A Fan inverter output 269 10...

Page 409: ...per 4 digits 0000 to 9999 A A Count up at start up The unit is Time 295 1110010010 COMP number of start stop events Lower 4 digits 0000 to 9999 A A 300 0011010010 Integrated operation time of compressor for rotation purpose 0000 to 9999 B The unit is h Data before error No SW4 When SW6 10 is set to OFF Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The conditi...

Page 410: ... 999 9 B 323 1100001010 BC Main TH16 99 9 to 999 9 B 324 0010001010 BC Main PS1 99 9 to 999 9 B 325 1010001010 BC Main PS3 99 9 to 999 9 B 330 0101001010 BC Main LEV1 0000 to 2000 B 331 1101001010 BC Main LEV3 0000 to 2000 B 332 0011001010 BC Sub1 TH12 99 9 to 999 9 B 333 1011001010 BC Sub1 TH15 99 9 to 999 9 B 334 0111001010 BC Sub1 LEV3 0000 to 2000 B 335 1111001010 BC Sub2 TH12 99 9 to 999 9 B ...

Page 411: ...Address capacity code 0000 to 9999 0000 to 9999 358 0110011010 IC8 Address capacity code 0000 to 9999 0000 to 9999 359 1110011010 IC9 Address capacity code 0000 to 9999 0000 to 9999 360 0001011010 IC10 Address capacity code 0000 to 9999 0000 to 9999 361 1001011010 IC11 Address capacity code 0000 to 9999 0000 to 9999 362 0101011010 IC12 Address capacity code 0000 to 9999 0000 to 9999 363 1101011010...

Page 412: ... capacity code 0000 to 9999 0000 to 9999 382 0111111010 IC32 Address capacity code 0000 to 9999 0000 to 9999 383 1111111010 IC33 Address capacity code 0000 to 9999 0000 to 9999 384 0000000110 IC34 Address capacity code 0000 to 9999 0000 to 9999 385 1000000110 IC35 Address capacity code 0000 to 9999 0000 to 9999 386 0100000110 IC36 Address capacity code 0000 to 9999 0000 to 9999 387 1100000110 IC37...

Page 413: ...400 0000100110 IC50 Address capacity code 0000 to 9999 0000 to 9999 408 0001100110 IC1 Suction temperature 99 9 to 999 9 B The unit is C 409 1001100110 IC2 Suction temperature 99 9 to 999 9 410 0101100110 IC3 Suction temperature 99 9 to 999 9 411 1101100110 IC4 Suction temperature 99 9 to 999 9 Data on indoor unit system No SW4 When SW6 10 is set to OFF Item Display Unit A B 1 Remarks 1234567890 L...

Page 414: ...temperature 99 9 to 999 9 424 0001010110 IC17 Suction temperature 99 9 to 999 9 425 1001010110 IC18 Suction temperature 99 9 to 999 9 426 0101010110 IC19 Suction temperature 99 9 to 999 9 427 1101010110 IC20 Suction temperature 99 9 to 999 9 428 0011010110 IC21 Suction temperature 99 9 to 999 9 429 1011010110 IC22 Suction temperature 99 9 to 999 9 430 0111010110 IC23 Suction temperature 99 9 to 99...

Page 415: ...43 Suction temperature 99 9 to 999 9 451 1100001110 IC44 Suction temperature 99 9 to 999 9 452 0010001110 IC45 Suction temperature 99 9 to 999 9 453 1010001110 IC46 Suction temperature 99 9 to 999 9 454 0110001110 IC47 Suction temperature 99 9 to 999 9 455 1110001110 IC48 Suction temperature 99 9 to 999 9 456 0001001110 IC49Suction temperature 99 9 to 999 9 457 1001001110 IC50 Suction temperature ...

Page 416: ... temperature 99 9 to 999 9 478 0111101110 IC21 Liquid pipe temperature 99 9 to 999 9 479 1111101110 IC22 Liquid pipe temperature 99 9 to 999 9 480 0000011110 IC23 Liquid pipe temperature 99 9 to 999 9 481 1000011110 IC24 Liquid pipe temperature 99 9 to 999 9 482 0100011110 IC25 Liquid pipe temperature 99 9 to 999 9 483 1100011110 IC26 Liquid pipe temperature 99 9 to 999 9 484 0010011110 IC27 Liqui...

Page 417: ...00 0010111110 IC43 Liquid pipe temperature 99 9 to 999 9 501 1010111110 IC44 Liquid pipe temperature 99 9 to 999 9 502 0110111110 IC45 Liquid pipe temperature 99 9 to 999 9 503 1110111110 IC46 Liquid pipe temperature 99 9 to 999 9 504 0001111110 IC47 Liquid pipe temperature 99 9 to 999 9 505 1001111110 IC48 Liquid pipe temperature 99 9 to 999 9 506 0101111110 IC49 Liquid pipe temperature 99 9 to 9...

Page 418: ...l A A 513 1000000001 IC FU address Count up display of number of connected units B 514 0100000001 RC address Count up display of number of connected units B 516 0010000001 OS address Count up display of number of connected units B 517 1010000001 Version Capacity S W version Refrigerant type Model and capacity Communication address A A 518 0110000001 OC address OC address display B 1 A The conditio...

Page 419: ...4 0110100001 IC12 Gas pipe temperature 99 9 to 999 9 535 1110100001 IC13 Gas pipe temperature 99 9 to 999 9 536 0001100001 IC14 Gas pipe temperature 99 9 to 999 9 537 1001100001 IC15 Gas pipe temperature 99 9 to 999 9 538 0101100001 IC16 Gas pipe temperature 99 9 to 999 9 539 1101100001 IC17 Gas pipe temperature 99 9 to 999 9 540 0011100001 IC18 Gas pipe temperature 99 9 to 999 9 541 1011100001 IC...

Page 420: ...pipe temperature 99 9 to 999 9 559 1111010001 IC37 Gas pipe temperature 99 9 to 999 9 560 0000110001 IC38 Gas pipe temperature 99 9 to 999 9 561 1000110001 IC39 Gas pipe temperature 99 9 to 999 9 562 0100110001 IC40 Gas pipe temperature 99 9 to 999 9 563 1100110001 IC41 Gas pipe temperature 99 9 to 999 9 564 0010110001 IC42 Gas pipe temperature 99 9 to 999 9 565 1010110001 IC43 Gas pipe temperatur...

Page 421: ... to 999 9 583 1110001001 IC11SH 99 9 to 999 9 584 0001001001 IC12SH 99 9 to 999 9 585 1001001001 IC13SH 99 9 to 999 9 586 0101001001 IC14SH 99 9 to 999 9 587 1101001001 IC15SH 99 9 to 999 9 588 0011001001 IC16SH 99 9 to 999 9 589 1011001001 IC17SH 99 9 to 999 9 590 0111001001 IC18SH 99 9 to 999 9 591 1111001001 IC19SH 99 9 to 999 9 592 0000101001 IC20SH 99 9 to 999 9 593 1000101001 IC21SH 99 9 to ...

Page 422: ... to 999 9 611 1100011001 IC39SH 99 9 to 999 9 612 0010011001 IC40SH 99 9 to 999 9 613 1010011001 IC41SH 99 9 to 999 9 614 0110011001 IC42SH 99 9 to 999 9 615 1110011001 IC43SH 99 9 to 999 9 616 0001011001 IC44SH 99 9 to 999 9 617 1001011001 IC45SH 99 9 to 999 9 618 0101011001 IC46SH 99 9 to 999 9 619 1101011001 IC47SH 99 9 to 999 9 620 0011011001 IC48SH 99 9 to 999 9 621 1011011001 IC49SH 99 9 to ...

Page 423: ... to 999 9 633 1001111001 IC11SC 99 9 to 999 9 634 0101111001 IC12SC 99 9 to 999 9 635 1101111001 IC13SC 99 9 to 999 9 636 0011111001 IC14SC 99 9 to 999 9 637 1011111001 IC15SC 99 9 to 999 9 638 0111111001 IC16SC 99 9 to 999 9 639 1111111001 IC17SC 99 9 to 999 9 640 0000000101 IC18SC 99 9 to 999 9 641 1000000101 IC19SC 99 9 to 999 9 642 0100000101 IC20SC 99 9 to 999 9 643 1100000101 IC21SC 99 9 to ...

Page 424: ... to 999 9 661 1010100101 IC39SC 99 9 to 999 9 662 0110100101 IC40SC 99 9 to 999 9 663 1110100101 IC41SC 99 9 to 999 9 664 0001100101 IC42SC 99 9 to 999 9 665 1001100101 IC43SC 99 9 to 999 9 666 0101100101 IC44SC 99 9 to 999 9 667 1101100101 IC45SC 99 9 to 999 9 668 0011100101 IC46SC 99 9 to 999 9 669 1011100101 IC47SC 99 9 to 999 9 670 0111100101 IC48SC 99 9 to 999 9 671 1111100101 IC49SC 99 9 to ...

Page 425: ...our minute 693 1010110101 Time of error detection 2 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 694 0110110101 Time of error detection 3 00 00 to 23 59 Hour minute 695 1110110101 Time of error detection 3 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 696 0001110101 Time of error detection 4 00 00 to 23 59 Hour minute 697 1001110101 Time of error detectio...

Page 426: ...100001101 Time of error detection 9 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 708 0010001101 Time of error detection 10 00 00 to 23 59 Hour minute 709 1010001101 Time of error detection 10 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 710 0110001101 Time of last data backup be fore error 00 00 to 23 59 Hour minute 711 1110001101 Time of last data backu...

Page 427: ...EV opening 0000 to 9999 725 1010101101 IC12 LEV opening 0000 to 9999 726 0110101101 IC13 LEV opening 0000 to 9999 727 1110101101 IC14 LEV opening 0000 to 9999 728 0001101101 IC15 LEV opening 0000 to 9999 729 1001101101 IC16 LEV opening 0000 to 9999 730 0101101101 IC17 LEV opening 0000 to 9999 731 1101101101 IC18 LEV opening 0000 to 9999 732 0011101101 IC19 LEV opening 0000 to 9999 733 1011101101 I...

Page 428: ...LEV opening 0000 to 9999 755 1100111101 IC42 LEV opening 0000 to 9999 756 0010111101 IC43 LEV opening 0000 to 9999 757 1010111101 IC44 LEV opening 0000 to 9999 758 0110111101 IC45 LEV opening 0000 to 9999 759 1110111101 IC46 LEV opening 0000 to 9999 760 0001111101 IC47 LEV opening 0000 to 9999 761 1001111101 IC48 LEV opening 0000 to 9999 762 0101111101 IC49 LEV opening 0000 to 9999 763 1101111101 ...

Page 429: ... IC19 Operation mode 783 1111000011 IC20 Operation mode 784 0000100011 IC21 Operation mode 785 1000100011 IC22 Operation mode 786 0100100011 IC23 Operation mode 787 1100100011 IC24 Operation mode 788 0010100011 IC25 Operation mode 789 1010100011 IC26 Operation mode 790 0110100011 IC27 Operation mode 791 1110100011 IC28 Operation mode 792 0001100011 IC29 Operation mode 793 1001100011 IC30 Operation...

Page 430: ...ration mode 811 1101010011 IC48 Operation mode 812 0011010011 IC49 Operation mode 813 1011010011 IC50 Operation mode 814 0111010011 IC1 filter 0000 to 9999 B Hours since last mainte nance h 815 1111010011 IC2 filter 0000 to 9999 816 0000110011 IC3 filter 0000 to 9999 817 1000110011 IC4 filter 0000 to 9999 818 0100110011 IC5 filter 0000 to 9999 819 1100110011 IC6 filter 0000 to 9999 820 0010110011 ...

Page 431: ...to 9999 839 1110001011 IC26 filter 0000 to 9999 840 0001001011 IC27 filter 0000 to 9999 841 1001001011 IC28 filter 0000 to 9999 842 0101001011 IC29 filter 0000 to 9999 843 1101001011 IC30 filter 0000 to 9999 844 0011001011 IC31 filter 0000 to 9999 845 1011001011 IC32 filter 0000 to 9999 846 0111001001 IC33 filter 0000 to 9999 847 1111001011 IC34 filter 0000 to 9999 848 0000101011 IC35 filter 0000 ...

Page 432: ...ter 0000 to 9999 858 0101101011 IC45 filter 0000 to 9999 859 1101101011 IC46 filter 0000 to 9999 860 0011101011 IC47 filter 0000 to 9999 861 1011101011 IC48 filter 0000 to 9999 862 0111101011 IC49 filter 0000 to 9999 863 1111101011 IC50 filter 0000 to 9999 Data on indoor unit system No SW4 When SW6 10 is set to OFF Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 ...

Page 433: ... tive value 1 99 9 to 999 9 A A 873 1001011011 Power factor phase an gle 1 99 9 to 999 9 A A The unit is deg 880 0000111011 Control board Reset counter 0 to 254 A A The unit is time 881 1000111011 INV board Reset counter 0 to 254 A A 884 0010111011 Fan board address 5 reset counter 0 to 254 A A The unit is time 885 1010111011 Fan board address 6 reset counter 0 to 254 A A 1 A The condition of eith...

Page 434: ...ange without notice Service Handbook PURY P200 P250 P300 P350 P400 P450 P500YLM A 1 PURY P400 P450 P500 P550 P600 P650 P700 P750 P800 P850 P900YSLM A 1 PURY EP200 EP250 EP300 EP350 EP400 EP450 EP500YLM A PURY EP500 EP550 EP600 EP650 EP700 EP750 EP800 EP850 EP900YSLM A Model ...

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