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[

II

Restrictions ]

[5] An Example of a System to which an M-NET Remote Controller is connected

1. An example of a system in which a system controller is connected to the transmission line for central

control

Sample control wiring

Notes

Maximum allowable length

1. M-NET remote controller and MA remote controller cannot both be connected to the

same group of indoor units.

2. No more than 2 M-NET remote controllers can be connected to a group of indoor

units.

3. Do not connect the terminal blocks (TB5) on the indoor units that are connected to

different outdoor (heat source) units with each other.

4. When connecting a system controller to the transmission line for centralized control

or performing a group operation of units in a system with multiple outdoor (heat
source) units, the replacement of male power supply switch connector (CN41) with
CN40 must be performed only on one of the outdoor (heat source) units in the system.

5. Connect the S (shielded) terminal of the terminal block for transmission line for cen-

tralized control (TB7) on the outdoor (heat source) unit whose male connector of the
CN41 was plugged into CN40 to the ground terminal (

) on the unit.

6. A transmission booster must be connected to a system in which the total number of

connected indoor units exceeds 20 (19 with one BC, 18 with one BC and BS each).

7. A transmission booster must be connected to a system to which more than 16 indoor

units (15 with one BC, 14 with one BC and BS each) including one or more indoor
units of 72 model or above are connected. Neither a BC or BS can be connected on
the TB3 side (expanded side) of the transmission booster.

(1) Indoor/outdoor (heat source) transmission line

Same as [4] 3.

(2) Transmission line for centralized control

Same as [4] 4.

(3) M-NET remote controller wiring

Maximum overall line length

(0.3 to 1.25mm

2

[AWG22 to 16])

m1 10m [32ft]
m2+m3 10m [32ft]
If the standard-supplied cable must be extend-

ed, use a cable with a diameter of 1.25mm

2

[AWG16]. The section of the cable that ex-
ceeds 10m [32ft] must be included in the max-
imum indoor-outdoor (heat source)
transmission line distance described in (1).

IC

TB5

M1M2 S

TB15

1 2

01

101

103

102

IC

TB5

M1M2 S

TB15

1 2

05

A1 B2

RC

A1 B2

RC

LC

TB5

M1M2 S

07

IC

TB5

M1M2 S

1 2

TB15

IC

TB5

M1M2 S

TB15

1 2

04

03

LC

TB5

M1M2 S

06

A1 B2

RC

153

A1 B2

RC

Group

Group

Group

L3

L4

L23

L24

Interlock operation with
the ventilation unit

NO

In the case of Y or WY

L2

L22

m2

OC

TB3

TB7

M1M2

M1M2 S

51

OC

TB3

TB7

M1M2

M1M2 S

53

System controller

M1M2 S

L31

L32

Note2

OC

TB3

TB7

M1M2

M1M2 S

51

*1 BC

TB02

M1M2 S

52

OC

TB3

TB7

M1M2

M1M2 S

53

*1 BC

TB02

M1M2 S

54

L1

L2

L21

L22

m1

m3

TB02

M1M2 S

55

*1 BS

In the case of R2 or WR2

Note1

Note1

Note1

SW2-1 OFF ON

Note1

SW2-1 OFF ON

CN41 CN40
Replace

CN41 CN40
Replace

Connect

Connect

*1 BC and BS are found only in the R2 or WR2 system.

Note1 When only the LM adapter is connected,

leave SW2-1 to OFF (as it is).

Note2 LM adapters require the power supply

capacity of single-phase AC 208/230V.

SW2-1 OFF ON

Leave the male connector

on CN41 as it is.

SW2-1 OFF ON

Leave the male

connector

on CN41 as it is.

NO

NO

In the case of R2 or WR2

In the case of Y or WY

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Содержание City Multi CMB-P1016NU-G

Страница 1: ...AIR CONDITIONERS CITY MULTI Models PQHY P72 P96TGMU A PQRY P72 P96TGMU A CMB P104 P105 P106 P108 P1010 P1013 P1016NU G CMB P108 P1010 P1013 P1016NU GA CMB P104 P108NU GB Service Handbook ...

Страница 2: ...cable Improperly connected or fixed cables may produce heat and start a fire Take appropriate safety measures against strong winds and earthquakes to prevent the unit from falling If the unit is not installed properly the unit may fall and cause serious injury to the person or damage to the unit Do not make any modifications or alterations to the unit Consult your dealer for repair Improper repair...

Страница 3: ...in stalling the unit Leaked refrigerant gas exceeding the lim iting concentration causes oxygen deficiency Consult your dealer or a specialist when moving or re installing the unit Improper installation may result in water leakage electric shock and or fire After completing the service work check for a gas leak If leaked refrigerant is exposed to a heat source such as a fan heater stove or electri...

Страница 4: ...rigerant is charged into the system the com position of the refrigerant in the cylinder will change and may result in performance loss Use a vacuum pump with a reverse flow check valve If a vacuum pump that is not equipped with a reverse flow check valve is used the vacuum pump oil may flow into the refrigerant cycle and cause the refrigerating machine oil to deteriorate Prepare tools for exclusiv...

Страница 5: ...Doing so may lead to a remark able drop in performance electric shock malfunctions smoke and or fire The presence of organic solvents or corrosive gas i e am monia sulfur compounds and acid may cause gas leak age or water leakage When installing the unit in a hospital take appropriate measures to reduce noise interference High frequency medical equipment may interfere with the normal operation of ...

Страница 6: ...se breakers and fuses current breaker remote switch switch Type B fuse moulded case circuit breaker with the proper current capacity The use of wrong capacity fuses steel wires or copper wires may result in malfunctions smoke and or fire Do not spray water on the air conditioner or immerse the air conditioner in water Otherwise electric shock and or fire may result Periodically check the installat...

Страница 7: ...nit such as pipes and compressor may be either very cold or hot depending on the state of the refrigerant in the unit at the time To reduce the risk of frost bites and burns do not touch these parts with bare hands Do not operate the unit without panels and safety guards Rotating high temperature or high voltage parts on the unit pose a risk of burns and or electric shock Do not turn off the power...

Страница 8: ...rol Box of the Heat Source Unit 69 3 Heat Source Unit Circuit Board 70 4 BC Controller Under the panel 73 5 Control Box of the BC Controller 75 6 BC Controller Circuit Board 76 IV Remote Controller 1 Functions and Specifications of MA and ME Remote Controllers 81 2 Group Settings and Interlock Settings via the ME Remote Controller 82 3 Interlock Settings via the MA Remote Controller 86 4 Using the...

Страница 9: ...ay on the Remote Controller 182 3 Investigation of Transmission Wave Shape Noise 265 4 Troubleshooting Principal Parts 268 5 Refrigerant Leak 298 6 Servicing the BC controller 300 X LED Monitor Display on the Heat Source Unit Board 1 How to Read the LED on the Service Monitor 305 ...

Страница 10: ...als 5 4 Storage of Piping 7 5 Pipe Processing 7 6 Brazing 8 7 Air Tightness Test 9 8 Vacuum Drying Evacuation 10 9 Refrigerant Charging 11 10 Remedies to be taken in case of a Refrigerant Leak 11 11 Characteristics of the Conventional and the New Refrigerants 12 12 Notes on Refrigerating Machine Oil 13 ...

Страница 11: ... 2 ...

Страница 12: ...pipes Verify the type of refrigerant used for the unit to be moved or re placed 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 contaminants inside the refrigerant pipes may cause the refrigerant oil to deteriorate 6 If there is a l...

Страница 13: ...nder 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 valve adapter is attached F...

Страница 14: ...less than ø19 05 3 4 For a system that uses R410A use pipes that are made with 1 2H material H material Drawn unless the pipe diameter is at least ø19 05 3 4 and the radial thickness is at least 1 2t 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 O material Annealed Soft copper pipes annealed c...

Страница 15: ...lare nuts instead of type 1 are used 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 in Pipe size mm in A dimension mm in R410A R22 ø6 35 1 4 9 1 0 358 9 0 0 354 ø9 52 3 8 13 2 0 520...

Страница 16: ...es 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 5 Pipe Processing Use a small amount of ester oil ether oil or alkylbenzene...

Страница 17: ...ipes 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 chloride Residual flux in the refrigerant cir...

Страница 18: ...o find the location of a leak use R410A 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 compo sition of the remaining refrigerant in the cylind...

Страница 19: ...h 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 vac uum drying 5 Procedures for stopping vacuum pump To prevent the reverse flow of vacuum pump oil o...

Страница 20: ...ge and become 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 10 Remedies to be taken in case of a Refrigerant Leak If the refrigerant leaks out it may be replenished The entire refrigerant does not need to be replaced Charge refrigerant in th...

Страница 21: ...uitable for use If the refrigerant leaks out it may be replenished The entire refrigerant 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 Refrigerant HFC type R410A R22 R32 R125 R22 Composition wt 50 50 100 Type of Refrigerant Pseudo azeotropic Refrigerant Sing...

Страница 22: ...ed 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 the orbiting scroll Lock Burn in on the orbiting s...

Страница 23: ... 14 ...

Страница 24: ...Sample System Connection 23 4 An Example of a System to which an MA Remote Controller is connected 24 5 An Example of a System to which an M NET Remote Controller is connected 46 6 An Example of a System to which both MA Remote Controller and M NET Remote Controller are connected 50 7 Restrictions on Pipe Length 53 ...

Страница 25: ... 16 ...

Страница 26: ...er is connected 6 An Example of a Sys tem to which both MA Remote Controller and M NET Remote Controller are connected before performing wiring work 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 sy...

Страница 27: ...cted 6 An Example of a System to which both MA Remote Controller and M NET Remote Controller are connected before performing wiring work Set the switches while the power is turned off If the switch settings are changed while the unit is being powered those changes will not take effect and the unit will not function properly MA remote controller 1 M NET remote controller 2 Cable type Type VCTF VCTF...

Страница 28: ... units in the way that the for mula i ii iii is true 00 LOSSNAY OA processing unit Assign an arbitrary but unique address to each of these units after assigning an address to all indoor units 00 M NET remote controller Main remote controller 101 to 150 Add 100 to the smallest address of all the indoor units in the same group 101 Sub remote controller 151 to 200 2 Add 150 to the smallest address of...

Страница 29: ...troller install the remote controller where room temperature can be detected Note Factory setting for SW1 1 on the indoor unit of the All Fresh Models is ON 2 When an optional temperature sensor is used set SW1 1 to OFF and set SW3 8 to ON When using an optional temperature sensor install it where room temperature can be detected System configura tion Connection to the system controller Power supp...

Страница 30: ...es OFF ON Automatic restoration after power failure Indoor unit will go into operation if it was in operation when the power was turned off or cut off due to power failure In approx 5 minutes ON OFF Indoor unit will remain stopped regardless of its opera tion status before power off power failure OFF OFF Type Usage Function Terminal to be used Input Prohibiting cooling heating operation thermo OFF...

Страница 31: ...emand control steps Note the following steps to be taken when using the STEP DEMAND Example When switching from 100 to 50 CN51 Remote controller board Controller board on outdoor heat source unit Relay circuit CN51 X Y X Y 5 4 3 1 2 3 Maximum allowable wiring length 10 m L1 Error indicator lamp freeze prevention output L2 Compressor operation display lamp X Y Relay For 12V DC coil rating 0 9 W or ...

Страница 32: ...tdoor heat source unit With connection to transmission line for centralized control Manual address setup O O 4 4 5 System with one outdoor heat source unit With connection to transmission line for centralized control Manual address setup O 4 5 Connection of multiple BC control lers 6 System with one outdoor heat source unit With connection to indoor outdoor heat source transmission line Manual add...

Страница 33: ...he next section 4 2 An example of a system with one outdoor heat source unit to which 2 or more LOSSNAY units are connected 1 Indoor outdoor heat source transmission line Maximum distance 1 25mm2 AWG16 or larger L1 L2 L3 L4 200m 656ft L1 L2 L12 L13 200m 656ft L1 is applicable only in the R2 or WR2 system 2 Transmission line for centralized control No connection is required 3 MA remote controller w...

Страница 34: ...To perform a group operation of indoor units IC daisy chain terminals 1 and 2 on the terminal block TB15 on all indoor units IC in the same group and then connect terminals 1 and 2 on the terminal block TB15 on the indoor unit on one end to the terminal block on the MA remote controller Non polarized 2 core cable To perform a group operation of indoor units that have different functions refer to 4...

Страница 35: ... door units of 72 model or above are connected Neither a BC or BS can be connected on the TB3 side expanded side of the transmission booster 1 Indoor outdoor heat source transmission line Same as 4 1 2 Transmission line for centralized control No connection is required 3 MA remote controller wiring Same as 4 1 L2 OC TB3 TB7 M1M2 M1M2 S 51 OC TB3 TB7 M1M2 M1M2 S 51 L1 L2 In the case of R2 or WR2 TB...

Страница 36: ...f indoor units Same as 4 1 4 LOSSNAY connection Connect terminals M1 and M2 on the terminal block TB5 on the indoor unit IC to the appropriate terminals on the terminal block TB5 on LOSSNAY LC Non polarized 2 core cable Interlock setting between the indoor units and LOSSNAY units must be entered on the remote controller Refer to Entering the Interlock Settings into the MA Remote Controller or the ...

Страница 37: ...ain unit address 1 main unit address 2 main unit address 3 etc 2 LOSSNAY LC 01 to 50 Assign an arbitrary but unique ad dress to each of these units after assigning an address to all indoor units None of these addresses may overlap any of the in door unit addresses 00 3 MA remote controller Main remote controller MA No settings required Main Sub remote controller MA Sub remote controller Settings t...

Страница 38: ... 29 II Restrictions ...

Страница 39: ...on booster 1 Indoor outdoor heat source transmission line Maximum distance 1 25mm2 AWG16 or larger L1 L2 L3 L4 200m 656ft L21 L22 L23 L24 200m 656ft L1 and L21 are applicable only in the R2 or WR2 system 2 Transmission line for centralized control Maximum line distance via outdoor heat source unit 1 25mm2 AWG16 or larger L1 L2 L3 L4 L31 L21 L22 L23 L24 500m 1640ft L1 and L21 are applicable only in...

Страница 40: ...M2 on the terminal block for centralized control transmission line TB7 Disconnect the male connector on the controller board from the female power supply switch connector CN41 and connect it to the female power supply switch connector CN40 Only use shielded cables Shielded cable connection To ground the shielded cable daisy chain the S terminals on the terminal block TB7 on each of the outdoor hea...

Страница 41: ...nique ad dress to each of these units after as signing an address to all indoor units None of these addresses may overlap any of the in door unit addresses 00 3 MA remote controller Main remote controller MA No settings required Main Sub remote controller MA Sub remote controller Settings to be made according to the remote controller function selection 4 Outdoor heat source unit OC 51 to 100 The s...

Страница 42: ... 33 II Restrictions ...

Страница 43: ...2 Transmission line for centralized control Maximum line distance via outdoor heat source unit 1 25mm2 AWG16 or larger L32 L31 L1 L2 L3 L4 500m 1640ft L32 L21 L22 L23 L24 500m 1640ft L1 L2 L3 L4 L31 L21 L22 L23 L24 500m 1640ft L1 and L21 are applicable only in the R2 or WR2 system 3 MA remote controller wiring Same as 4 1 IC TB5 M1M2S TB15 1 2 01 IC TB5 M1M2S TB15 1 2 05 A1 B2 MA A1 B2 MA LC TB5 M...

Страница 44: ...use shielded cables Shielded cable connection Same as 4 3 3 MA remote controller wiring Same as 4 1 When 2 remote controllers are connected to the system Same as 4 1 Group operation of indoor units Same as 4 1 4 LOSSNAY connection Connect terminals M1 and M2 on the terminal block TB5 on the indoor unit IC to the appropriate terminals on the terminal block for indoor outdoor heat source transmissio...

Страница 45: ...s to all indoor units None of these address es may overlap any of the indoor unit address es 00 3 MA remote controller Main remote controller MA No settings required Enter the same indoor unit group settings on the system controller as the ones that were en tered on the MA remote controller Main Sub remote controller MA Sub remote controller Settings to be made according to the remote controller f...

Страница 46: ... 37 II Restrictions ...

Страница 47: ...m line distance via outdoor heat source unit 1 25mm2 AWG16 or larger L32 L31 L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 500m 1640ft L32 L21 L22 L23 L24 L25 L26 L27 500m 1640ft L1 L2 L3 L4 L5 L6 L7 L8 L9 L10 L31 L21 L22 L23 L24 L25 L26 L27 500m 1640ft 3 MA remote controller wiring Same as 4 1 1 When only the LM adapter is connected leave SW2 1 to OFF as it is 2 LM adapters require the power supply capacity of ...

Страница 48: ...oller BS and terminals M1 and M2 on the terminal block for indoor outdoor heat source transmission line TB5 on each indoor unit IC Non polarized 2 core cable Only use shielded cables Shielded cable connection Same as 4 1 2 Transmission line for centralized control Same as 4 4 Shielded cable connection Same as 4 3 3 MA remote controller wiring Same as 4 1 When 2 remote controllers are connected to ...

Страница 49: ...None of these addresses may overlap any of the in door unit addresses 00 3 MA remote control ler Main remote controller MA No settings required Enter the same indoor unit group settings on the system controller as the ones that were entered on the MA remote con troller Main Sub remote controller MA Sub remote controller Settings to be made according to the remote controller function se lection 4 O...

Страница 50: ... 41 II Restrictions ...

Страница 51: ...he indoor outdoor heat source transmission line Nei ther a BC or BS can be connected on the TB3 side expanded side of the transmission booster 1 Indoor outdoor heat source transmission line Maximum distance 1 25mm2 AWG16 or larger L1 L2 L3 L4 200m 656ft L21 L22 L23 L24 200m 656ft L25 200m 656ft L1 and L21 are applicable only in the R2 or WR2 system 2 Transmission line for centralized control Maxim...

Страница 52: ...C the S terminal on the terminal block TB5 on the indoor unit and the S terminal on the system controller 2 Transmission line for centralized control Same as 4 4 Shielded cable connection Same as 4 3 3 MA remote controller wiring Same as 4 1 When 2 remote controllers are connected to the system Same as 4 1 Group operation of indoor units Same as 4 1 4 LOSSNAY connection Connect terminals M1 and M2...

Страница 53: ... to all indoor units None of these address es may overlap any of the indoor unit address es 00 3 MA remote controller Main remote controller MA No settings required Enter the same indoor unit group settings on the system controller as the ones that were en tered on the MA remote controller Main Sub remote controller MA Sub remote controller Settings to be made according to the remote controller fu...

Страница 54: ... 45 II Restrictions ...

Страница 55: ...ng one or more indoor units of 72 model or above are connected Neither a BC or BS can be connected on the TB3 side expanded side of the transmission booster 1 Indoor outdoor heat source transmission line Same as 4 3 2 Transmission line for centralized control Same as 4 4 3 M NET remote controller wiring Maximum overall line length 0 3 to 1 25mm2 AWG22 to 16 m1 10m 32ft m2 m3 10m 32ft If the standa...

Страница 56: ...lers are connected to the system connect terminals M1 and M2 of the terminal block on the IC TB5 to the terminal block on the two RC remote controllers Group operation of indoor units To perform a group operation of indoor units connect terminals M1 and M2 on the terminal block TB5 on the main indoor unit in the group to the terminal block on the M NET remote controller Non polarized 2 core cable ...

Страница 57: ...f these units af ter assigning an address to all in door units None of these addresses may overlap any of the indoor unit addresses 00 3 M NET remote controller Main remote controller RC 101 to 150 Add 100 to the main unit address in the group It is not necessary to set the 100s digit To set the address to 200 set it to 00 101 Sub remote controller RC 151 to 200 Add 150 to the main unit address in...

Страница 58: ... 49 II Restrictions ...

Страница 59: ... 14 with one BC and BS each including one or more indoor units of 72 model or above are connected Neither a BC or BS can be connected on the TB3 side expanded side of the transmission booster 1 Indoor outdoor heat source transmission line Same as 4 3 2 Transmission line for centralized control Same as 4 4 3 MA remote controller wiring Same as 4 1 4 M NET remote controller wiring Same as 4 1 In the...

Страница 60: ... address to the main unit in the group In an R2 or WR2 system with 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 formula i ii iii is true As...

Страница 61: ...main unit address 3 etc M NET re mote con troller Main re mote con troller RC 101 to 150 Add 100 to the main unit address in the group It is not necessary to set the 100s digit To set the address to 200 set it to 00 101 Sub re mote con troller RC 151 to 200 Add 150 to the main unit address in the group 3 LOSSNAY LC 01 to 50 Assign an arbitrary but unique ad dress to each of these units after assig...

Страница 62: ...e the existing refrigerant piping A large amount of chlorine that may be contained in the re sidual refrigerant and refrigerating machine oil in the exist ing piping may cause the refrigerating machine oil in the new unit to deteriorate 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...

Страница 63: ...to the far thest indoor unit B C D e 40 131 or less Height difference Between indoor and heat source units Heat source unit above indoor unit H 50 164 or less Heat source unit below indoor unit H 40 131 or less Between indoor units h 15 49 or less Heat source unit L H H A A B C D a b c d h e First branch Indoor Indoor Indoor Indoor Indoor 5 1 2 3 4 Note Total sum of downstream unit model numbers i...

Страница 64: ...ess Total pipe length from the first branch to the far thest indoor unit f 40 131 or less Height difference Between indoor and heat source units Heat source unit above indoor unit H 50 164 or less Heat source unit below indoor unit H 40 131 or less Between indoor units h 15 49 or less L H H A a b c d h e f 5 1 2 3 4 6 cap Note Pipes from the header may not be re branched First branch Indoor Indoor...

Страница 65: ...131 or less Height difference Between indoor and heat source units Heat source unit above indoor unit H 50 164 or less Heat source unit below indoor unit H 40 131 or less Between indoor units h 15 49 or less L H H A A B C a b c d h e First branch Branch joint 5 1 2 3 4 Note Total sum of downstream unit model numbers in the table is the sum of the model numbers of the units after point A in the fig...

Страница 66: ...0 164 or less Heat source unit below indoor unit H 40 131 or less Between indoor unit and BC controller h1 15 49 or less 10 32 or less 3 3 When the capacity of the connected indoor units is P72 or above use the figures in the parentheses as a reference Between indoor units h2 15 49 or less 10 32 or less 3 Heat source unit B A a b c d e H 50 m 164ft or less Heat source unit below indoor unit H 40 m...

Страница 67: ... P72 or above use the figures in the parentheses as a reference Between indoor units h2 15 49 or less 10 32 or less 3 Between main BC controller and sub BC controller h3 15 49 or less Between indoor unit main BC controller and indoor unit sub BC controller h4 15 49 or less 10 32 or less 3 4 4 When connecting 2 sub BC controllers to a system observe the allowable length in the table above Heat sour...

Страница 68: ... source units Unit mm in Operation Heat source unit PQRY P72TGMU A PQRY P96TGMU A Refrigerant pipe size High pressure pipe ø15 88 5 8 ø19 05 3 4 Low pressure pipe ø19 05 3 4 ø22 2 7 8 Connection to heat source unit and BC con troller High pressure pipe ø15 88 5 8 Brazed connection ø19 05 3 4 Brazed connection Low pressure pipe ø19 05 3 4 Brazed connection ø22 2 7 8 Brazed connection ...

Страница 69: ...at is specified in Section 3 Piping Materials under Read Before Servicing Unit mm in Operation Indoor unit 06 08 12 15 18 24 27 30 36 48 72 96 Refrigerant pipe size Liquid pipe ø6 35 1 4 ø9 52 3 8 Gas pipe ø12 7 1 2 ø15 88 5 8 ø19 05 3 4 ø22 2 7 8 Connection to in door unit Flare connection for all models Liquid pipe ø6 35 1 4 ø9 52 3 8 Gas pipe ø12 7 1 2 ø15 88 5 8 ø19 05 3 4 ø22 2 7 8 Unit mm in...

Страница 70: ... ø15 88 5 8 Flare connection Indoor Indoor Indoor Indoor Indoor Indoor BC controller Maximum of 3 units per port Total capacity of P160 or below All units connected to the same port must be in the same operating mode Branch joint Model name CMY Y102S G Optional accessory 2 Junction pipe kit Model name CMY R160 J Optional accessory P18 model or below P24 P54 models P72 P96 models The ports of the B...

Страница 71: ...es 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 refer ence Unit mm in Total capacity of indoor units Liquid pipe Gas pipe P54 or below ø9 52 3 8 ø15 88 5 8 P55 P72 ø19 05 3 4 P73 P96 ø22 2 7 8 1 1 Use the pipe that is supplied Liquid pipe side 6 35 1 4 ID Gas pipe side 12 7 1 2 ID Liquid p...

Страница 72: ...he total capacity of the downstream indoor units using the table below as a reference Unit mm in Total capacity of indoor units Liquid pipe Gas pipe P54 or below ø9 52 3 8 ø15 88 5 8 P55 P72 ø19 05 3 4 P73 P96 ø22 2 7 8 1 1 Use the pipe that is supplied Unit mm in Operation Pipe sections High pressure side Low pressure side Heat source unit side PQRY P72TGMU A ø15 88 5 8 Brazed connection ø19 05 3...

Страница 73: ...ference Unit mm in Total capacity of indoor units Liquid pipe Gas pipe P54 or below ø9 52 3 8 ø15 88 5 8 P55 P72 ø19 05 3 4 P73 P96 ø22 2 7 8 1 1 Use the pipe that is supplied Unit mm in Operation Pipe sections High pressure side gas Low pressure side gas Liquid pipe side Total capacity of the indoor units that are connected to the BC controller in question On the BC controller side P72 model or b...

Страница 74: ...nents 1 Heat Source Unit Components and Refrigerant Circuit 67 2 Control Box of the Heat Source Unit 69 3 Heat Source Unit Circuit Board 70 4 BC Controller Under the panel 73 5 Control Box of the BC Controller 75 6 BC Controller Circuit Board 76 ...

Страница 75: ... 66 ...

Страница 76: ...Source Unit BC Controller Components 1 Heat Source Unit Components and Refrigerant Circuit 1 PQHY P72 and P96 models 4 way valve Accumulator Compressor Solenoid valve block Check valve block Heat exchanger Sub box Fusible plug Control box Solenoid valve SV7a 7c ...

Страница 77: ...eat Source Unit BC Controller Components 2 PQRY P72 and P96 models Solenoid valve SV7a 7c 4 way valve Accumulator Compressor Solenoid valve block Check valve block Heat exchanger Sub box Fusible plug Control box ...

Страница 78: ...nce R2 Terminal block for indoor outdoor heat source transmission line TB3 Terminal block for centralized control system transmission line TB7 Diode stack DS In rush current protection R1 Electromagnetic relay 52C Smoothing capacitor C1 DCCT DCL Rear Noise filter NF Control circuit board Transformer T Choke coil L1 L2 Terminal block for power supply TB1 Relay board Pump interlock input Terminal bl...

Страница 79: ...put 5 L1 phase 1 Ground CNAC3 Power output 3 L1 phase 1 L2 phase CN21 Power input 3 L2 phase 1 L3 phase CNLVC LEV2 Output 208 230V CNOUT1 Relay drive output to relay board Compressor operation Outdoor heat source unit operation error signal output Output from solenoid valve for unit control etc CN51 3 4 3 5 1 3 CN52C 52C1 driving output AC 208 230V CN38 High pressure switch 63H CN41 without power ...

Страница 80: ...8 230V CNDC2 DC bus voltage input 1 3 DC 280V LED3 charge lamp CNL1 Choke coil for transmission line CNDR2 IPM control signal output LED2 Inverter error LED1 Inverter operation CNTH Inverter heatsink THHS CNRS2 Serial communication input from and output to main circuit board CNAC2 Power input AC 208 230V 5 L1 phase 3 L3 phase 1 Ground CNCT DCCT input CN52C 52C2 driving output 1 3 AC 208 230V CNL2 ...

Страница 81: ...ARD 1 PQHY PQRY CN83 1 3 Operation ON signal output 5 7 Pump interlock input CNPW CNOUT2 Relay drive input from main board 1 2 Pump interlock signal output to main board CN81 Solenoid valve output for unit control 208 230V CNAC4 Power input 4 L1 phase 1 L2 phase ...

Страница 82: ...A 1 Front 2 Rear view GA type 3 Rear view G type Liquid pipe Indoor unit side Gas pipe Indoor unit side TH12 TH15 TH16 TH11 SVM2 SVM1 LEV1 LEV3 LEV2 PS1 PS3 Tube in tube heat exchanger Gas Liquid separator Tube in tube heat exchanger Gas Liquid separator TH12 TH15 TH16 TH11 SVM1 LEV1 LEV3 PS1 PS3 ...

Страница 83: ... 74 III Heat Source Unit BC Controller Components 2 CMB P NU GB 1 Front 2 Rear view Liquid pipe Indoor unit side Gas pipe Indoor unit side TH25 TH22 LEV3a ...

Страница 84: ...I Heat Source Unit BC Controller Components 5 Control Box of the BC Controller 1 CMB P1016NU GA Relay board Transformer Terminal block for transmission line BC controller board Terminal block for power supply ...

Страница 85: ... 76 III Heat Source Unit BC Controller Components 6 BC Controller Circuit Board 1 BC controller circuit board BC board SW1 SW2 SW4 SW5 ...

Страница 86: ... 77 III Heat Source Unit BC Controller Components 2 RELAY BOARD RELAY 4 board 3 RELAY BOARD RELAY 10 board ...

Страница 87: ... 78 ...

Страница 88: ...Specifications of MA and ME Remote Controllers 81 2 Group Settings and Interlock Settings via the ME Remote Controller 82 3 Interlock Settings via the MA Remote Controller 86 4 Using the built in Temperature Sensor on the Remote Controller 89 ...

Страница 89: ... 80 ...

Страница 90: ...using non polarized 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 heat source 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 int...

Страница 91: ... error message will appear on the display Check the address and try again 5 Successful completion of registration Unit type Indoor unit in this case blinks to indicate a registration error Indicates that selected address does not have a corresponding unit 4 To register the addresses for multiple indoor units repeat steps and above 3 4 To search for an address go to section 2 Address Search To sear...

Страница 92: ...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 LOSSNAY address in the Interlocked unit address display window B Interlock setting search After performing step proceed as follows Bring up the address of the indoor unit to be searched on the display Select the address of the indoor unit to be searched by...

Страница 93: ... or changed as necessary 3 Narrowed preset temperature range mode The default temperature ranges are 19 C to 30 C 67 F to 87 F in the cooling dry mode and 17 C to 28 C 63 F to 83 F in the heating mode By changing these ranges raising the lower limit for the cooling dry mode and lowering the upper limit for the heating mode energy can be saved On the PAR F27MEA US model automatic operation mode can...

Страница 94: ...lower limit temperature is changeable HEAT and LIMIT TEMP will light up and the temperature range for the heating mode will appear on the screen The upper limit temperature can be changed with button TIMER SET or Selection range for the upper limit temperature 63 F 83 F Medium temperature range indoor unit 63 F 83 F The lower limit temperature is fixed at 63 F Only the upper limit temperature is c...

Страница 95: ...er the address of the selected 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 h...

Страница 96: ...en 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 interlocked with the selected indoor u...

Страница 97: ...CTION 2 Use of automatic mode SELECT AUTO MODE 3 Temperature range setting LIMIT TEMP FUNCTION 1 Remote controller main sub setting CONTROLLER MAIN SUB 2 Clock enable disable function CLOCK 3 Timer function setting WEEKLY TIMER 4 Technical assistance contact number setting CALL 1 Temperature unit selection TEMP MODE C F 2 Suction air temperature display setting ROOM TEMP DISP SELECT 3 Automatic co...

Страница 98: ...mperature can be changed within the set range LIMIT TEMP COOL MODE The temperature range for the cooling dry mode can be changed LIMIT TEMP HEAT MODE The temperature range for the heating mode can be changed LIMIT TEMP AUTO MODE The temperature range for the automatic mode can be changed OFF Initial setting The temperature range is not set 1 2 3 4 When any setting other than OFF is selected the te...

Страница 99: ... 90 ...

Страница 100: ... 91 V Electrical Wiring Diagram 1 Electrical Wiring Diagram of the Heat Source Unit 93 2 Electrical Wiring Diagram of the BC Controller 94 ...

Страница 101: ... 92 ...

Страница 102: ... Central control transmission line G G G G Function setting ON OFF Power circuit board LED1 operation LED2 error LED3 charge ON OFF 1 6 1 4 SW1 SW2 red black TB1 Terminal Block TB3 Terminal Block TB7 Terminal Block green detection circuit detection circuit detection circuit Compressor ON OFF Water freeze signal or trouble signal or STEP DEMAND Compressor ON OFF NIGHT MODE G Relay Board detection c...

Страница 103: ... 1 1 2 CNP3 3 2 1 CNP1 3 CN02 2 1 CONT B 1 2 3 4 5 6 CN05 3 5 1 CN12 1 3 CN26 TB02 TR SVM1 Solenoid valve Fuse AC250V 6 3A F F01 Terminal T1 4 Terminal block for Transmission TB02 Terminal block for power source TB01 Solenoid valve SV1 4A B C Expansion valve Thermistor sensor Transformer Name Symbol TR TH11 12 15 16 LEV1 3 PS1 3 Pressure sensor CONT B Note 1 TB02 is transmission terminal block Nev...

Страница 104: ...SV6C SV6A SV6B 1 2 3 4 1 2 3 4 1 2 3 4 1 5 3 1 7 5 3 1 7 5 3 1 X8 X7 X33 X10 X9 X34 X12 X11 X35 CN30 Black CN31 Yellow Solenoid valve SVM1 CONT B Pressure sensor TR TH11 12 15 16 LEV1 3 PS1 3 Symbol Name Transformer Thermistor sensor Expansion valve SV1 6A B C Solenoid valve TB01 Terminal block for power source TB02 Terminal block for Transmission T1 6 Terminal F01 Fuse AC250V 6 3A F Note 1 TB02 i...

Страница 105: ... 1 4 3 2 1 X30 X1 X2 1 3 5 4 3 2 1 SV1B SV1A SV1C 1 2 3 4 3 2 4 1 3 2 4 1 X35 X11 X12 X34 X9 X10 X33 X7 X8 X32 X5 X6 X31 X3 X4 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 3 5 7 1 1 1 4 3 2 4 3 2 4 3 2 1 4 3 2 SV2C SV2A SV2B SV3C SV3A SV3B SV4C SV4A SV4B SV5B SV5A SV5C 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 11 12 13 8 9 10 5 6 7 14 15 16 8 9 10 11 12 13 5 6 7 14 15 16 1 2 1 2 3 3 4 3 2 1 4 3 2 1 SV6C SV6A SV6B 7 ...

Страница 106: ...4 1 2 3 4 1 2 3 4 1 2 3 4 7 5 3 1 3 3 X14 X13 X36 X37 X15 X16 X38 X39 X17 X19 X18 X20 7 5 3 1 7 5 3 1 7 5 3 1 CN40 SVM1 2 3 2 1 3 1 REL B 4 5 6 8 9 7 10 12 11 13 15 14 16 3 4 2 1 SV11B SV11A SV11C 1 3 2 8 9 10 11 12 13 3 2 4 1 5 6 7 14 15 16 4 3 2 1 SV12C SV12A SV12B SV13C SV13A SV13B SV14C SV14A SV14B SV15B SV15A SV15C 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 4 3 2 1 SV16B ...

Страница 107: ...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 2 3 4 2 3 4 1 1 1 7 5 3 1 7 5 3 1 7 5 3 1 7 5 3 1 7 5 3 1 7 X4 X3 X31 X6 X5 X32 X8 X7 X33 X10 X9 X34 X12 X11 X35 1 4 2 3 1 4 2 3 4 3 2 1 SV1C SV1A SV1B 1 2 3 4 5 3 1 X2 X1 X30 X60 X21 CN46 Yellow 3 1 3 1 3 1 ...

Страница 108: ... 3 1 7 5 3 1 1 CN36 Green X21 CN45 Green CN44 Yellow CN43 Red REL B 4 5 6 8 9 7 10 12 11 13 15 14 16 3 4 2 1 SV11B SV11A SV11C 1 3 2 8 9 10 11 12 13 3 2 4 1 5 6 7 14 15 16 4 3 2 1 SV12C SV12A SV12B SV13C SV13A SV13B SV14C SV14A SV14B SV15B SV15A SV15C 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 4 3 2 1 SV16B SV16A SV16C 1 2 3 4 1 3 4 3 4 2 1 X51 X55 X56 X52 X53 X57 X54 7 7 5 3 ...

Страница 109: ... 5 4 3 2 1 1 2 CN02 CONT B 3 5 1 CN12 1 3 CN26 TR Fuse AC250V 6 3A F F01 Terminal T1 4 Terminal block for Transmission TB02 Terminal block for power source TB01 Solenoid valve SV1 4A B C Expansion valve Thermistor sensor Transformer Name Symbol TR TH12 15 LEV3 CONT B Note 1 TB02 is transmission terminal block Never connect power line to it 2 The initial set values of switch on CONT B are as follow...

Страница 110: ...7 14 15 16 8 9 10 11 12 13 5 6 7 14 15 16 1 2 1 2 3 3 4 3 2 1 4 3 2 1 SV6C SV6A SV6B 7 6 5 4 3 2 1 CN39 3 1 CN52 CONT B 6 5 4 3 2 1 LEV3 2 1 1 2 3 4 5 6 7 8 4 3 2 1 1 2 3 2 1 CN03 CN02 CN10 CN11 TH12 TH15 TR CN50 7 6 5 4 3 2 1 1 3 5 1 3 CN38 CN26 3 1 CNTR REL B F01 Fuse AC250V 6 3A F Terminal T1 8 CONT B Terminal block for Transmission TB02 Terminal block for power source TB01 Solenoid valve Expan...

Страница 111: ... 102 ...

Страница 112: ... 103 VI Refrigerant Circuit 1 Refrigerant Circuit Diagram 105 2 Principal Parts and Functions 109 ...

Страница 113: ... 104 ...

Страница 114: ...P1 BV2 Compressor Acc 63H1 21S4a ST6 ST1 63LS ST10 ST11 BV1 CV8a CV10a CV9a CV4a CV3a CV6a CV7a TH6 SV 4a SV4b SV4c SV4d Orifice ST14 ST15 ST16 SV7c Check Valves Block Solenoid Valves Block SV7b CV11 SV7a P96Type only THINV LEV2 ST13 TH7 ST2 LEV1 ST8 TH5 TH8 ST5 TH9 Fusible Plug Air heat exchanger Water heat exchanger Double coil type Oil separator ...

Страница 115: ...1 21S4a ST6 ST1 63LS ST10 ST11 BV1 CV8a CV10a CV9a CV5a CV4a CV2a CV3a CV6a CV7a TH6 SV 4a SV4b SV4c SV4d Orifice ST14 ST15 ST16 SV7c Check Valves Block Solenoid Valves Block SV7b CV11 SV7a P96Type only THINV LEV2 ST13 Air heat exchanger ST5 TH9 Fusible Plug Water heat exchanger Double coil type Compressor ...

Страница 116: ...013 and P1016NU GA main TH15 TH12 LEV3 LEV1 TH16 PS1 PS3 TH11 SVM1 HIC B Gas Liquid Separator Solenoid valves Block Check valves Block TH15 TH12 LEV3 LEV1 TH16 PS1 PS3 TH11 Solenoid valves Block SVM1 SVM2 Gas pipe high pressure side Gas Liquid Separator LEV2 Liquid pipe Check valves Block Gas pipe low pressure side ...

Страница 117: ... 108 VI Refrigerant Circuit 3 CMB P104 and P108NU GB sub TH25 TH22 LEV3a CP Solenoid valves Block Check valves Block ...

Страница 118: ...ressure 2 Regulates frequency and pro vides high pressure protection Low pressure sensor 63LS 1 Detects low pressure 2 Provides low pressure protec tion Pressure switch 63H1 1 Detects high pressure 2 Provides high pressure pro tection 4 15MPa 601psi OFF setting Pressure 0 4 15 MPa 601psi Vout 0 5 3 5V 0 071V 0 098 MPa 14psi Pressure MPa 1 38 x Vout V 0 69 Pressure psi 1 38 x Vout V 0 69 x 145 GND ...

Страница 119: ...TH8 data TH9 Outlet water temperature Water heat exchanger freeze pre vention THINV Controls the opening of the LEV that regulates the refrigerant flow to the inverter cooling heat ex changer THHS Inverter heat sink temperature Heat sink Controls inverter cooling fan based on THHS temperature 0 C 32 F 181kohm 10 C 50 F 105kohm 20 C 68 F 64kohm 25 C 77 F 50kohm 30 C 86 F 40kohm 40 C 104 F 26kohm So...

Страница 120: ... ue differs from that of the in door LEV Refer to thepageof LEV trou bleshoot ing LEV2 Controls refrigerant flow of the in verter cooling heat exchanger Heater CH11 Crankcase heater Heats the refrigerant in the com pressor Cord heater AC208 230V CH11 928ohm 57W 230V Resis tance check 4 way valve 21S4a Changeover between heating and cooling AC208 230V Dead cooling cycle Live heating cycle Continuit...

Страница 121: ...ency and pro vides high pressure protection Low pressure sensor 63LS 1 Detects low pressure 2 Provides low pressure protec tion Pressure switch 63H1 1 Detects high pressure 2 Provides high pressure pro tection 4 15MPa 601psi OFF setting Pressure 0 4 15 MPa 601psi Vout 0 5 3 5V 0 071V 0 098 MPa 14psi Pressure MPa 1 38 x Vout V 0 69 Pressure psi 1 38 x Vout V 0 69 x 145 GND Black Vout White Vcc DC5V...

Страница 122: ...that regulates the refrigerant flow to the inverter cooling heat ex changer THHS Inverter heat sink tempera ture Heat sink Controls inverter cooling fan based on THHS temperature 0 C 32 F 181kohm 10 C 50 F 105kohm 20 C 68 F 64kohm 25 C 77 F 50kohm 30 C 86 F 40kohm 40 C 104 F 26kohm Solenoid valve SV1 Dis charge suction bypass 1 High low pressure bypass at start up and stopping and ca pacity contro...

Страница 123: ...s tance val ue differs from that of the in door LEV Refer to thepageof LEV trou bleshoot ing Heater CH11 Crank case heater Heats the refrigerant in the com pressor Cord heater AC208 230V CH11 928ohm 57W 230V Resis tance check 4 way valve 21S4a Changeover between heating and cooling AC208 230V Dead cooling cycle Live heating cycle Continuity check with a tester Part name Symbols func tions Notes Us...

Страница 124: ...ty be tween yellow brown and blue Ther mistor TH1 Suction air tem perature Indoor unit control Thermo 0 C 32 F 15kohm 10 C 50 F 9 7kohm 20 C 68 F 6 4kohm 25 C 77 F 5 3kohm 30 C 86 F 4 3kohm 40 C 104 F 3 1kohm Resistance check TH2 Pipe tem perature 1 Indoor unit control Freeze prevention Pre heating stand by 2 LEV control during heating operation Subcool detection TH3 Gas pipe tempera ture LEV cont...

Страница 125: ...ontrol Subcool Solenoid valve SVM1 Opens during cooling and de frost modes AC208 230V Open while being powered closed while not being pow ered Continuity check with a tester SV A Provides refrigerant to indoor unit in cooling operation SV B Provides refrigerant to indoor unit in heating operation SV C Provides refrigerant to indoor unit in cooling operation LEV LEV1 1 Liquid level control 2 Pressu...

Страница 126: ...Subcool Solenoid valve SVM1 Opens during cooling and de frost modes AC208 230V Open while being powered closed while not being pow ered Continuity check with a tester SVM2 Pressure differential control SV A Provides refrigerant to indoor unit in cooling operation SV B Provides refrigerant to indoor unit in heating operation SV C Provides refrigerant to indoor unit in cooling operation LEV LEV1 LEV...

Страница 127: ...pera ture LEV control Superheat Solenoid valve SV A Provides refrigerant to indoor unit in cooling operation AC208 230V Open while being powered closed while not being pow ered Continuity check with a tester SV B Provides refrigerant to indoor unit in heating operation SV C Provides refrigerant to indoor unit in cooling operation LEV LEV3a Pressure differential control DC12V Opening of a valve dri...

Страница 128: ... 119 VII Control 1 Functions and Factory Settings of the Dipswitches 121 2 Controlling the Heat Source Unit 129 3 Controlling BC Controller 142 4 Operation Flow Chart 143 ...

Страница 129: ... 120 ...

Страница 130: ... amount adjustment Normal control Refrigerantamount adjustment mode Anytime after power on Will be dis abled 2 hours after compressor start up except during initial start up mode 5 6 7 Operation ON signal output switching During Thermo ON DuringThermo ON and Thermo OFF Anytime after power on 8 Pump interlock error is disregarded Ordinary control Error is disregard ed Anytime after power on 9 10 SW...

Страница 131: ...H9 reaches below 3 C 37 F while the compressor is stopped This operation is stopped when both TH6 and TH9 reach abode 10 C 50 F two hours have passed since the be ginning of this operation or a signal to resume normal operation is received SW4 1 2 3 4 5 6 7 NIGHT MODE Step DEMAND mode NIGHT MODE Step DEMAND Before power on 8 9 10 SW5 1 2 3 LED Display C kg cm2 G F psi When switching on the power 4...

Страница 132: ...be dis abled 2 hours after compressor start up except during initial start up mode 5 6 7 Operation ON signal output switching During Thermo ON During Thermo ON and Thermo OFF Anytime after power on 8 Pump interlock error is disregarded Ordinary control Error is disregarded Anytime after power on 9 10 SW3 1 Test run mode en abled disabled SW3 2 disabled SW3 2 enabled Anytime after power on 2 Test r...

Страница 133: ...e switch to OFF where indicated by which may be set to a certain setting for a reason Note2 Leave SW1 1 to OFF during normal operation If it is set to ON errors cannot be detected and the unit may be damaged SW5 1 2 3 LED Display C kg cm2G F psi When switching on the power 4 5 6 7 8 9 10 Switch Function Function according to switch setting Switch setting timing OFF ON OFF ON Switch Function Functi...

Страница 134: ...ensor on the remote controller on All Fresh PEFY NMHU E F model units Applicable to All Fresh model units PEFY NMHU E F only Always set to OFF on PKFY NAMU model units PLFY NLMU model only Set to OFF on floor standing PFFY type units Note 1 Settings in the shaded areas are factory settings Note 2 On a system with a G 50 connection set Dip SW 1 9 and 1 10 to ON to control input output using the PLC...

Страница 135: ...N OFF OFF OFF PCFY P15 36NGMU E T7W E42 310 OFF ON OFF ON OFF PKFY P06 08NAMU E T7W E44 310 P12 15NGMU E T7W E42 310 ON ON OFF ON OFF P18 30NFMU E T7W E42 310 ON OFF ON ON OFF PFFY P06 24NEMU E R61 Y72 281 OFF OFF OFF OFF OFF P06 24NRMU E R61 Y72 281 OFF OFF OFF OFF OFF 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 Model Capacity model code SW2 setting 1 2 3 4 5 6 1 2 3 4 5 6 Model C...

Страница 136: ...rections 4 directions P12 24 P30 36 1 3 3 m 3 0 m 2 7 m 10 8 ft 9 8 ft 8 9f t 2 3 5 m 3 3 m 3 0 m 11 5 ft 10 8 ft 9 8 ft 3 3 5 m 3 5 m 11 5 ft 11 5 ft 1 4 0 m 3 6 m 3 2 m 13 1 ft 11 8 ft 10 5 ft 2 4 2 m 4 0 m 3 6 m 13 8 ft 13 1 ft 11 8 ft 3 4 2 m 4 2 m 13 8 ft 13 8 ft 3 2 1 SWA 3 2 1 SWA 3 2 1 SWA MODELS VOLT P15 24 208 0 200in WG 50Pa 0 321in WG 80Pa 0 120in WG 30Pa 230 0 240in WG 60Pa 0 401in WG...

Страница 137: ... units in the same group Sub remote controller 151 200 Add 150 to the smallest address of all the indoor units in the same group Setting of rotary switch Address No 01 99 1 101 199 with the 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...

Страница 138: ... Bypass solenoid valves SV1 which bypass the high and low pressure sides perform the following functions 1 Bypass solenoid valve SV1 ON Open Example of an SV1 operation Operation SV1 ON OFF At No 1 compressor start up after the res toration of thermo or 3 minutes after restart ON for 4 minutes During cooling or heating operation with the compressor stopped Always ON Exception OFF when HPS LPS is 0...

Страница 139: ...pressor start up and every 30 seconds thereafter 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 fre quency control convergent control and is performed in the following manner Periodic control cycle Periodic control is performed after the following time has passed ...

Страница 140: ... with the LEV on the applicable indoor unit unit under stopping mode fan mode cooling heating with thermo off being opened for 30 seconds 2 Periodic capacity control of the heat source units and periodic LEV control of the indoor units will be suspended during refrigerant recovery operation they will be performed after the recovery has been completed 2 During cooling operation Starting refrigerant...

Страница 141: ... 23 F is detected for three continuous minutes Discharge superheat of at or above 30 C 86 F Refrigerant recovery Increase the opening of LEV1 and LEV3 2 Pattern B Recovery of refrigerant Pattern B is performed on a per port basis to prevent the refrigerant from accumulating inside the unit while it is stopped unit in fan mode Starting refrigerant recovery mode Refrigerant recovery Pattern B is sta...

Страница 142: ...eration mode Solenoid valve SV4a SV4b SV4c SV4d SV7a SV7b SV7c Cooling ON ON ON OFF ON OFF OFF ON ON ON OFF ON ON OFF ON ON ON OFF ON OFF OFF ON ON ON OFF ON ON OFF ON ON ON OFF ON OFF OFF ON ON ON OFF ON ON OFF OFF ON ON OFF ON OFF OFF OFF ON ON OFF OFF OFF OFF OFF ON ON OFF OFF ON OFF OFF OFF ON OFF OFF OFF OFF OFF OFF ON OFF OFF ON OFF OFF OFF ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF Heati...

Страница 143: ...ON ON OFF ON ON OFF ON ON ON OFF ON OFF OFF ON ON ON OFF ON ON OFF ON ON ON OFF ON OFF OFF ON ON ON OFF ON ON OFF OFF ON ON OFF ON OFF OFF OFF ON ON OFF OFF OFF OFF OFF ON ON OFF OFF ON OFF OFF OFF ON OFF OFF OFF OFF OFF OFF ON OFF OFF ON OFF OFF OFF ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF Cooling main ON ON ON OFF ON OFF OFF ON ON ON OFF ON ON OFF ON ON ON OFF ON OFF OFF ON ON ON OFF ON ON ...

Страница 144: ...ON OFF OFF OFF ON ON OFF ON OFF OFF ON ON ON OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF OFF ON Heating main ON ON ON OFF OFF OFF ON ON ON ON OFF OFF ON ON ON ON ON OFF OFF OFF ON ON ON ON OFF OFF ON ON ON ON ON OFF OFF OFF ON ON ON ON OFF OFF ON ON ON OFF ON OFF OFF OFF ON ON OFF ON OFF OFF ON ON ON OFF OFF OFF OFF OFF ON OFF OFF OFF OFF OFF OFF ON OFF OFF OFF ON OFF OFF ON Operation mode Solenoid...

Страница 145: ...when twelve hours have elapsed after power on 2 Restrictions during initial heating startup mode When the compressor discharge SH is small or the discharge pressure is low in heating only heating main or cooling main mode the total capacity of operable outdoor unit will be restricted Only when there are four or more indoor units in heating operation Total capacity of operable indoor units The numb...

Страница 146: ... time inverter startup is prohibited 2 While the inverter is in operation the fan always stays on 3 Once the cooling fan comes on it stays on for at least five minutes 2 LEV2 control 1 LEV2 control range 0 LEV2 100 pulses 2 LEV2 control method Refer to the table below During cooling only or cooling main operation SHB THINV Te Evaporating temperature THHS LEV2 6 C 11 F SHB 55 C 131 F THHS Up THHS 5...

Страница 147: ...utonomous 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 Heat source unit Daisy chained non polar 2 wire transmission line Indoor unit BC controller Autonomous distributed con...

Страница 148: ...ing 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 Heat source unit BC controller Indoor unit LEV LEV 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 C F E B ...

Страница 149: ...g mode Stopped Fan Thermo OFF cannot be changed to heating from the remote controller If this attempt is mode Heating will flash on the remote controller The opposite is true when the heat source unit is performing a heating operation The first selection has the priority 1 Cooling mode 2 Heating mode 3 Dry mode 4 Fan mode 5 Stopping mode 1 Cooling mode All indoor units in operation are in cooling ...

Страница 150: ...trol is enabled While this control is enabled the NIGHT MODE will be disabled Refer to 2 2 2 5 for detailed information on DEMAND control 1 Cooling mode 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 C...

Страница 151: ...ntrol 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 P3 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 LEV2 only for NU GA model ...

Страница 152: ...stop Error display Self holding of protection function Error command to heat source unit Indoor unit LEV fully closed Refer to 2 1 Cooling operation Refer to 2 2 Heating operation Refer to 2 3 for dry operation Prohibition Prohibition Prohibition Dry display Heating display Cooling display Dry mode Heating mode Fan mode Fan display Fan operations Operation mode Cooling mode Operation command to he...

Страница 153: ...commanded by the indoor unit However when the heat source unit is running a cooling operation come of the operating indoor units will stop or the operation of these indoor units will be prohibited even when the indoor unit mode is switched from fan mode to heating mode This also applies when the heat source unit is running a heating operation Start Breaker turned on Operation command Error stop Er...

Страница 154: ...ration Test run mode ON Thermostat ON 3 minute restart prevention Note 1 YES YES YES NO NO NO 4 way valve OFF 1 Inverter frequency control 2 Indoor unit LEV LEV1 rated opening 3 Solenoid valve control 4 52C control Normal operation During test run mode Unit in the stopped state Indoor unit fan operation 1 Inverter output 0Hz 2 Indoor unit LEV LEV1 rated opening 3 All solenoid valves OFF 4 52C OFF ...

Страница 155: ...ndoor unit fan control 2 Inverter frequency control 3 Indoor unit LEV LEV1 control 4 Solenoid valve control 5 52C control Normal 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 LEV1 Fully closed 4 All solenoid valves OFF 5 52C OFF Unit in the stopped state ...

Страница 156: ...F 5 52C OFF 1 or 2 Note 1 When the indoor unit inlet temperature exceeds 18 C 64 F the heat source 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 heat source unit the indoor unit and the solenoid valve operate in the same way as they do in the cooling opera...

Страница 157: ... 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 may go into the error...

Страница 158: ...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 will follow the operation ...

Страница 159: ... to the heat source 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 heat source 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 heat source unit is experiencing a problem all the connected units will stop Operat...

Страница 160: ...3 Solenoid valve control 4 BC controller solenoid valve control 5 BC controller control Normal operation During test run mode Indoor unit fan operation 1 Inverter output 0Hz 2 Indoor unit LEV Oil return LEV fully closed 3 Solenoid valves OFF 4 BC controller solenoid valves OFF 5 BC controller LEV fully closed Unit in the stopped state 2 3 Note 1 The indoor fan operates at the preset speed under co...

Страница 161: ...l 3 Indoor unit LEV fully open 4 Solenoid valve control 5 BC controller solenoid valve control 6 BC controller LEV control Normal 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 fully open 4 Solenoid valve OFF 5 BC controller solenoid valve control 6 BC controller LEV control 1 3 Unit in the stopped state ...

Страница 162: ...Note 1 When the indoor unit inlet temperature exceeds 18 C 64 F the heat source 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 heat source unit the indoor unit and the solenoid valve operate in the same way as they do in the cooling operation when the compr...

Страница 163: ... 154 ...

Страница 164: ...e a Test Run 157 2 Test Run Method 158 3 Operating Characteristic and Refrigerant Amount 159 4 Adjusting the Refrigerant Amount 160 5 Refrigerant Amount Adjust Mode 164 6 The following symptoms are normal 168 7 Standard Operation Data Reference Data 169 ...

Страница 165: ... 156 ...

Страница 166: ...ain power and powering the crankcase heater for at least 12 hours the refrigerant in the compressor will evaporate and the insulation resistance will go up 5 Do not measure the insulation resistance of the terminal block for transmission line for the unit remote controller 3 Make sure that the stop valve on the gas pipe liquid pipe and oil balance pipe are fully open Caution Securely tighten the c...

Страница 167: ...re that the air is blowing out 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 all interlocked equipment such as ventilation equipment Note 1 Refer to the following pages if an error code appears on the remote controller o...

Страница 168: ... indoor units are in operation 3 General tendency of discharge temperature Discharge temperature tends to rise when the system is short on refrigerant Changing the amount of refrigerant in the system while there is refrigerant in the accumulator has little effect on the discharge temperature The higher the pressure the more likely it is for the discharge temperature to rise The lower the pressure ...

Страница 169: ...rcharged refrigerant 2 The operating frequency does not reach the set frequency and there is a problem with performance Insufficient refrigerant amount 3 The system comes to an abnormal stop displaying 1102 abnormal discharge temper ature on the controller Symptoms Conclusion 1 Discharge temperature is high Normal discharge temperature is below 95 C 203 F Slightly under charged refrigerant 2 Low p...

Страница 170: ...iquid pipe ft L4 Length of ø6 35 1 4 liquid pipe ft Total capacity of connected indoor units α kg α oz 30 1 0 36 31 60 1 5 53 61 126 2 0 71 12 7 1 2 100 m 328 ft 9 52 3 8 10 m 32 ft 6 35 1 4 10 m 32 ft 9 52 3 8 10 m 32 ft 9 52 3 8 10 m 32 ft 9 52 3 8 10m 32 ft 9 52 3 8 20 m 65 ft 9 52 3 8 20 m 65 ft 36 model 30 model 24 model 24 model 06 model All the pipes in the figure are liquid pipes 12 7 1 2 ...

Страница 171: ...the heat source unit kg lbs oz 7 5 16 9 8 5 18 12 Amount of added refrigerant kg 0 16 x L4 0 11 x L5 0 12 x L6 0 06 x L7 0 024 x L8 α1 α2 Amount of added refrigerant oz 1 72 x L4 1 18 x L5 1 29x L6 0 65 x L7 0 26 x L8 α1 α2 L4 Length of ø19 05 3 4 high pressure pipe m L5 Length of ø15 88 5 8 high pressure 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...

Страница 172: ...door Indoor e C Indoor unit 1 72 model Heat source unit 96 model 2 24 model 3 18 model 4 24 model 5 06 model A 19 05 3 4 40 m 131 ft 19 05 3 4 A 40 m 130 ft 9 52 3 8 B C a b d 35 m 112 ft 6 35 1 4 c e 20 m 65 ft B 9 52 3 8 5 m 16 ft C 9 52 3 8 5 m 16 ft a 9 52 3 8 10 m 32 ft b 9 52 3 8 5 m 16 ft c 6 35 1 4 10 m 32 ft d 9 52 3 8 10 m 32 ft The aggregate length of each liquid pipe type When e 6 35 1...

Страница 173: ...s 5K 9 F or above and the SH of the indoor unit is between 5 and 15K 9 and 27 F to determine that the refrigerant amount is adequate 2 High pressure must be at least 2 0MPa 290psi to enable a proper adjustment of refrigerant amount to be made 3 Adjust the refrigerant amount based on the values of TH1 TH5 TH7 and Tc and by following the flow chart below TH1 TH5 TH7 and Tc can be displayed by settin...

Страница 174: ... Note 1 Note 1 Note 3 Gradually add refrigerant from the service port on the low pressure side Keep the unit running for 5 minutes after adjusting the refrigerant amount to determine its adequacy Keep the unit running for 5 minutes after adjusting the refrigerant amount to determine its adequacy SW2 4 OFF SW2 4 ON Adjustment complete Note 4 Has the initial start up mode been completed Gradually ad...

Страница 175: ...rant amount is adequate SC11 BC controller inlet liquid refrigerant subcool SC16 BC controller outlet liquid refrigerant subcool 2 High pressure must be at least 2 0MPa 290psi to enable a proper adjustment of refrigerant amount to be made 3 Adjust the refrigerant amount based on the values of TH11 and by following the flow chart below TH11 SC11 and SC16 can be displayed by setting the self diagnos...

Страница 176: ... NO NO NO NO YES NO NO YES YES YES YES YES YES YES YES YES Has the LEV opening been stabilized on all indoor units Note 1 Note 2 TH11 95 C 203 F Keep the unit running for 5 minutes after adjusting the refrigerant amount to determine its adequacy Gradually add refrigerant from the service port on the low pressure side Adjustment complete SW2 4 OFF Note 4 Keep the unit running for 5 minutes after ad...

Страница 177: ...pped Display is off When the auxiliary heater is turned on the fan operates for one minute after stopping to dissipate heat The fan speed does not reach the set speed when operation switch is turned on STAND BY The fan 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 a...

Страница 178: ...24 06 Piping Main pipe m 5 5 Branch pipe 10 10 Total pipe length 45 45 Fan speed Hi Hi Amount of refrigerant kg 11 0 12 4 Heat source unit Electric current A 16 1 14 6 21 4 19 3 Voltage V 208 230 208 230 Compressor frequency Hz 55 65 LEV opening Indoor unit Pulse 253 441 362 187 325 253 441 187 SC LEV1 82 100 Pressure High pressure after O S low pressure before accumulator MPa 2 65 0 93 2 66 0 93 ...

Страница 179: ...27 24 06 Piping Main pipe m 5 5 Branch pipe 10 10 Total pipe length 45 45 Fan speed Hi Hi Amount of refrigerant kg 11 0 12 4 Heat source unit Electric current A 16 7 15 1 21 0 19 0 Voltage V 208 230 208 230 Compressor frequency Hz 52 62 LEV opening Indoor unit Pulse 259 455 373 194 332 259 455 194 SC LEV1 Pressure High pressure after O S low pressure before accumulator MPa 2 82 0 80 2 71 0 80 Temp...

Страница 180: ... 16 16 Branch pipe 32 32 Total pipe length 147 147 Fan speed Hi Hi Amount of refrigerant lbs oz 24 3 27 4 Heat source unit Electric current A 16 1 14 6 21 4 19 3 Voltage V 208 230 208 230 Compressor frequency Hz 55 65 LEV opening Indoor unit Pulse 253 441 362 187 325 253 441 187 SC LEV1 82 100 Pressure High pressure after O S low pressure before accumulator psi 384 135 386 135 Temp of each sec tio...

Страница 181: ...ing Main pipe Ft 16 16 Branch pipe 32 32 Total pipe length 147 147 Fan speed Hi Hi Amount of refrigerant lbs oz 24 3 27 4 Heat source unit Electric current A 16 7 15 1 21 0 19 0 Voltage V 208 230 208 230 Compressor frequency Hz 52 62 LEV opening Indoor unit Pulse 259 445 373 194 332 259 455 194 SC LEV1 Pressure High pressure after O S low pressure before accumulator psi 409 116 393 116 Temp of eac...

Страница 182: ...36 27 24 06 Piping Main pipe m 5 5 Branch pipe 10 10 Total pipe length 45 45 Fan speed Hi Hi Amount of refrigerant kg 11 8 13 4 Heat source unit Electric current A 16 1 14 6 21 4 19 3 Voltage V 208 230 208 230 Compressor frequency Hz 55 65 LEV opening Indoor unit Pulse 253 441 362 187 325 253 441 187 BC controller 1 2 3 2000 130 2000 135 Pressure High pressure low pressure MPa 2 65 0 93 2 66 0 93 ...

Страница 183: ...06 Piping Main pipe m 5 5 Branch pipe 10 10 Total pipe length 45 45 Fan speed Hi Hi Amount of refrigerant kg 11 8 13 4 Heat source unit Electric current A 16 7 15 1 21 0 19 0 Voltage V 208 230 208 230 Compressor frequency Hz 52 62 LEV opening Indoor unit Pulse 450 695 555 310 555 450 695 310 BC controller 1 2 3 110 520 110 590 Pressure High pressure low pressure MPa 2 82 0 80 2 71 0 80 BC controll...

Страница 184: ... Piping Main pipe Ft 16 16 Branch pipe 32 32 Total pipe length 147 147 Fan speed Hi Hi Amount of refrigerant lbs oz 25 14 29 6 Heat source unit Electric current A 16 1 14 6 21 4 19 3 Voltage V 208 230 208 230 Compressor frequency Hz 55 65 LEV opening Indoor unit Pulse 253 441 362 187 325 253 441 187 SC LEV1 2000 130 2000 135 Pressure High pressure low pressure psi 384 135 386 135 BC controller on ...

Страница 185: ...e Ft 16 16 Branch pipe 32 32 Total pipe length 147 147 Fan speed Hi Hi Amount of refrigerant lbs oz 25 14 29 6 Heat source unit Electric current A 16 7 15 1 21 0 19 0 Voltage V 208 230 208 230 Compressor frequency Hz 52 62 LEV opening Indoor unit Pulse 450 695 555 310 555 450 695 310 SC LEV1 110 520 110 590 Pressure High pressure low pressure psi 409 116 393 116 BC controller on the liquid side In...

Страница 186: ...Check Code Lists 179 2 Responding to Error Display on the Remote Controller 182 3 Investigation of Transmission Wave Shape Noise 265 4 Troubleshooting Principal Parts 268 5 Refrigerant Leak 298 6 Servicing the BC controller 300 ...

Страница 187: ... 178 ...

Страница 188: ...t switch trip O O 2600 Water leakage O 2601 Water supply cut off O 4103 Reverse phase open phase O 4115 Power supply sync signal abnormality O 4116 RPM error Motor malfunction O O 4220 4320 108 Bus voltage drop S W detection O 109 Bus voltage rise S W detection O 110 Bus voltage abnormality H W detection O 111 Logic error O 4230 4330 Heatsink overheat protection O 4240 4340 Overload protection O 4...

Страница 189: ...16 Temperature sensor failure Liquid temperature TH7 O WY only 5108 1217 Temperature sensor failure SC coil outlet TH8 O WY only 5109 1218 Temperature sensor failure Water pipe TH9 O 5112 1215 Temperature sensor failure Inverter cooling heat ex changer THINV O 5110 1214 01 Temperature sensor failure Heatsink THHS O 5111 Temperature sensor failure BC controller BC controller liquid inlet TH11 O 511...

Страница 190: ...08 No response O O O O O 6831 MA communication transmission error No receipt O O 6832 MA communication receipt error Synchronization O O 6833 MA communication transmission error Hardware error O O 6834 MA communication transmission error Start bit detection error O O 7100 Total capacity error O 7101 Capacity code error O O O 7102 Error in the number of connected units O O 7105 Address setting erro...

Страница 191: ...nication er ror between the main board and the INV board on the compressor and between the main board and the inverter board Detail code 01 Between the main board and the compressor INV board 1 Faulty wiring Check the connection between the Main board connector CNRS3B and compressor INV board connector CNRS1 and check connector con nections 2 Inverter address switch setting error Check the setting...

Страница 192: ...on described in step 1 above will start 5 For 30 minutes after the stop the first stop or the second stop of the heat source unit preliminary errors will be displayed on the LED display 1 Gas leak gas shortage Refer to the page on refrigerant amount evaluation 2 Overload operation Check operating conditions and op eration status of indoor heat source units 3 LEV failure on the indoor unit 4 Heat s...

Страница 193: ...ion immediate ly stops 1 Inner pressure drop due to a leakage 2 Low pressure sensor fail ure 3 Torn outer rubber 4 A pin on the male connec tor is missing 5 Disconnected wire 6 Failure of the low pressure input circuit on the control ler board Refer to the section on troubleshoot ing the low pressure sensor Error Code Error definition and error detection method Cause Check method and remedy ...

Страница 194: ... check the operation Cooling LEV1 Heating LEV on the indoor unit SV4a 4d Refer to the section Troubleshooting the LEV and solenoid valve 4 Closed ball valve Confirm that the ball valve is fully open 5 Short cycle on the indoor unit side 6 Clogged filter on the indoor unit 7 Reduced air flow due to dirty fan on the indoor unit fan 8 Dirty heat exchanger of the indoor unit 9 Indoor fan including fan...

Страница 195: ...er first stop of the heat source unit the sec ond detection the heat source unit will make an error stop and the error code 1500 is displayed 3 If discharge SH 10K 18 F or less is de tected more than 30 minutes after the heat source unit stops and the operation de scribed in step 1 above will start 4 For 30 minutes after the stop of the heat source unit prelimi nary errors will be dis played on th...

Страница 196: ...o an abnormal stop and displays the code 2134 3 If an inlet water tem perature of 5 C 41 F or below or 50 C 122 F or above is detect ed again second de tection more than thirty minutes after the first detection See item 1 above it is considered as the first detection and the same sequence of op eration as the one in item 1 above is fol lowed 1 Heat source water pump failure 2 Problems with the coo...

Страница 197: ...ource unit the unit comes to an abnormal stop and displays the code 2135 3 If the above conditions are met 2nd time af ter sixty minutes have passed since the stop page of heat source unit it is considered as the first detection and the same se quence of operation as the one in item 1 above is followed 1 Heat source water pump failure 2 Problems with the heating device 3 Dirty or clogged water hea...

Страница 198: ...ed Tube connection Repair water leaks 3 Checking the water supply method Is water supplied by a pump or from the elevated reservoir If water is supplied by a pump water may leak out of the relief valve because of the temporary rise in feed water pressure above the allowable range Check the feed water pressure Allowable range 0 049 0 686MPa 7 99psi 0 5 7 0kgf cm2 Install a pressure reducing valve i...

Страница 199: ...o the drain pan When a large amount of water returns the gradient of drain pipe may be the reason Check whether the drain pipe is in stalled properly as the instruc tions in the installation manual say Furthermore check wheth er the gradient of the unit instal lation is horizontal An error may occur due to return water de pending on the gradient Target gradient approximately 0 5 After checking the...

Страница 200: ...nd turn it on again 4103 Reverse phase open phase 1 When turning on the power the operation cannot be started be cause of the open phase of one of the power lines L1 L2 or L3 1 Faulty wiring Check whether the phase of the power supply terminal block TB1 is normal Check the wiring between the pow er supply terminal block TB1 and the main boards CN20 and CN21 2 Main board failure If the above faults...

Страница 201: ...iring is faulty 4 Main board failure If none of the items described above is applicable and if the trouble reap pears even after the power is switched on again replace the MAIN board 4116 Motor abnor mality 1 LOSSNAY The motor keep running even if the power is OFF The thermal overload re lay is ON Only for the three phase model 2 Indoor unit If detected less than 180rpm or more than 2000rpm the in...

Страница 202: ...C2 G on the compressor INV board and the CNDC1 on the G A board Replace G A board when no fault is found for the above 1 4 3 Main board failure Check whether AC208 230V is applied to the male connector CN52C on the main board during inverter operation If not applied check the main board and the fuse F1 andF2 Replace the main board when no fault is found 4 52C failure Refer to 9 4 7 4 and check the...

Страница 203: ... wires Check the resistance of the cooling fan Resistance of the cooling fan Sever al hundred ohm 1k ohm 2 LEV2 failure Refer to the section Troubleshoot ing the LEV 3 THINV failure Check for a disconnected thermistor or broken wire Check sensor resistance Refer to 6 2 1 4 THHS failure 5 Blocked air pathway Check for a clogged air passage 6 Compressor INV board cooling fan output failure Confirm t...

Страница 204: ...5 THHS failure Check for THHS1 sensor resistor 6 Compressor INV board cooling fan output failure Confirm that a voltage of 208 230V is applied to the compressor INV board connector CNFAN during in verter operation 7 Cooling failure Check the cooling fan operation un der the above operating conditions 8 Current sensor ACCT failure Refer to 9 4 7 4 Current sensor ACCT 9 Compressor Inverter cir cuit ...

Страница 205: ...tected by the current sensor 1 Inverter output related 9 4 7 2 Inverter output related troubles Refer to 1 5 IPM short groundingfault Detail code 104 When IPM short damage or grounding on the load side is detected just be fore starting the inverter 1 Grounding fault of com pressor 2 Inverter output related Refer to 9 4 7 2 Overcurrent error due to short circuited motor Detail code105 When a short ...

Страница 206: ...ng cooling oper ation for 3 minutes after the compressor turns on 1 Thermistor failure 2 Connector contact failure 3 Disconnected wire or par tial disconnected ther mistor wire 4 Unattached thermistor or contact failure Check the thermistor resistor 0 C 32 F 15 kohm 10 C 50 F 9 7 kohm 20 C 68 F 6 4 kohm 30 C 86 F 4 3 kohm 40 C 104 F 3 1 kohm 5102 Liquid pipe 5103 Gas pipe 5104 Outdoor air temperat...

Страница 207: ...ute anti restart mode prelimi nary errors will be dis played on the LED display 6 For the first ten min utes after compressor start up detection of short or open as listed above is not per formed 1 Thermistor failure Check thermistor resistance 5105 Piping TH5 2 Pinched lead wire Check for pinched lead wire 5106 Inlet water temperature TH6 3 Torn wire coating Check for wire coating 5107 Liquid tem...

Страница 208: ...8MPa 14psi or less during the opera tion the heat source unit stops once turns to anti restart mode for 3 minutes and re starts after 3 minutes when the detected high pressure sensor is 0 098MPa 14psi or more 2 If the high pressure sensor detects 0 098MPa 14psi or less just before the re start the heat source unit makes an error stop and the error code 5201 will ap pear 3 During 3 minute anti rest...

Страница 209: ...rms is de tected during inverter op eration 1 Contact failure Check the contact of the connector CNCT2 ACCT on the compressor INV board 2 ACCT sensor failure Replace the ACCT sensor DCCT sensor failure Detail code 116 When the bus current less than 18 Apeak is de tected at startup 1 Contact failure Check the contact of the connector CNCT DCCT on the compressor INV board and the contact around the ...

Страница 210: ...e controllers for the heat source units the indoor units LOSSNAY and the M NET re mote controllers have the same ad dresses Example The error code 6600 01 appeared on the display on the remote control ler indicates that an error occurred in No 1 unit Two or more units whose addresses are 01 exist in the same system Search for the unit which has the same ad dress with that of the source of the trou...

Страница 211: ... units connected to different heat source units or in case of the system connected with MELANS 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 208 230V Check the transmission line wo...

Страница 212: ...s that the error source controller is a failure If noise exists investigate the noise No noise indicates that the error source controller is a failure If noise exists investigate the noise 6606 Communication error with the transmission processor Communication error between the main microcomputer on the indoor unit board and the mi crocomputer for transmission Note The address attribute appeared on...

Страница 213: ...ontroller MA No ac knowl edgement ACK at RC trans mission to IC 1 When IC unit address is changed or modified during op eration 2 Faulty or disconnected IC trans mission wiring 3 Disconnected IC connector CN2M 4 Indoor unit board failure 5 M NET remote controller failure Turn off the heat source indoor units for 5 or more minutes and turn them on again If the error is accidental they will run nor ...

Страница 214: ...t circuit of the transmission line for the heat source unit on the terminal block for centralized control line con nection TB7 3 When multiple heat source units are connected and the power source of one of the heat source units has been shut off 4 The male power supply connec tor of the heat source unit is not connected to the female power supply switch connector CN40 5 The male power supply conne...

Страница 215: ...normal ly once the following causes may be consid ered Total capacity error 7100 Capacity code error 7101 Error in the number of connected units 7102 Address setting error 7105 1 Turn off the power source of LOSSNAY for 5 or more minutes and turn it on again If the error is accidental it will run normally If not check the cause 2 2 Check the causes of 1 5 If the cause is found correct it If no cau...

Страница 216: ...nt ACK at SC trans mission to IC 1 Error occurrence on some IC 1 Same cause as that for system with one heat source unit Same remedy as that for system with one heat source unit 2 Error occurrence on all IC in the system with one heat source unit 1 Total capacity error 7100 2 Capacity code error 7101 3 Error in the number of connect ed units 7102 4 Address setting error 7105 5 Disconnection or sho...

Страница 217: ...as that for system with one heat source unit Same remedy as that for system with one heat source unit 2 Error occurrence on all IC in the system with one heat source unit 1 An error is found by the heat source unit Total capacity error 7100 Capacity code error 7101 Error in the number of connect ed units 7102 Address setting error 7105 2 Disconnection or short circuit of the transmission line for ...

Страница 218: ...heck 1 3 on the left 2 Error occurrence on all IC in the system with one heat source unit 1 An error is found by the heat source unit Total capacity error 7100 Capacity code error 7101 Error in the number of connect ed units 7102 Address setting error 7105 2 Disconnection or short circuit of the transmission line for the heat source unit on the terminal block for centralized control line con necti...

Страница 219: ...ation of LOSS NAY is made using M NET re mote controller the indoor unit is keeping the memory of the pre vious address Delete unnecessary information of non ex isting address which some indoor units have Use either of the following two methods for deletion 1 Address deletion by M NET remote controller Delete unnecessary address informa tion using the manual setting function of M NET remote contro...

Страница 220: ...ecrease of transmission line voltage signal by exceeding ac ceptable 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 erro neous sizing of transmission line Wire diameter 1 25mm2 AWG16 or more 1 When an error occurs at commission ing Turn off the power source of the heat source unit indoor ...

Страница 221: ...pe noise on MA re mote controller line by following 4 In vestigation method of transmission wave shape noise 7 When no problems are found with items 1 through 6 replace the indoor unit board or the MA remote control ler The following status can be confirmed on LED1 and 2 on the indoor unit board LED1 is lit The main power source of the indoor unit is turned on LED2 is lit MA remote controller line...

Страница 222: ... unit connected turn off the power source of the heat source and the in door units and change the setting of the model name capacity code 7101 Heat source unit Indoor unit Capacity code error The model name capac ity code of the connect ed indoor unit connected is inappropriate The model name capacity code set by the switch SW2 is wrong 1 Check the model name capaci ty code of the indoor unit whic...

Страница 223: ...Check whether the transmission line for the terminal block for centralized control TB7 is not connected to the terminal block for the indoor heat source trans mission line TB3 7105 Heat source unit Address setting error Erroneous setting of OC unit address Erroneous setting of OC unit address The address of heat source unit is not being set to 51 100 Check that the address of OC unit is set to 51 ...

Страница 224: ...pe is used and the remote controller sensor for the indoor unit is specified SW1 1 is ON Replace the remote controller with the one with built in temperature sensor 7113 Heat source unit Model setting error short detection Short circuit Faulty wiring or contact failure Check all main board connectors and rectify faulty connection 7117 Heat source unit Model setting error Open detection Disconnecte...

Страница 225: ...he main board and the INV board on the compressor and between the main board and the INV board Detail code 01 Between the main board and the compressor INV board 1 Faulty wiring Check the connection between the Main board connector CNRS3B and compressor INV board connector CNRS1 and check connector con nections 2 Inverter address switch setting error Check the setting for SW2 1 on the inverter boa...

Страница 226: ...Refer to the page on refrigerant amount evaluation 2 Overload operation Check operating conditions and op eration status of indoor heat source units 3 LEV failure on the indoor unit 4 BC controller LEV mal function Cooling only LEV3 Cooling main LEV1 2 3 Heating only or heating main LEV3 Defrost LEV3 5 BC controller SVM1 and 2 malfunction Cooling only 6 BC controller SVA mal function Cooling only ...

Страница 227: ...ion immediate ly stops 1 Inner pressure drop due to a leakage 2 Low pressure sensor fail ure 3 Torn outer rubber 4 A pin on the male connec tor is missing 5 Disconnected wire 6 Failure of the low pressure input circuit on the control ler board Refer to the section on troubleshoot ing the low pressure sensor Error Code Error definition and error detection method Cause Check method and remedy ...

Страница 228: ...function Heating only or heating main 6 Solenoid valve SV malfunction 4a 4d heating only heating main Heating only or heating main Perform a heating operation and check the operation Cooling LEV on the indoor unit LEV1 2 3 SVM1 2 SVA Heating LEV on the indoor unit LEV3 SVM2 SVB SV4a 4d Refer to the page on trouble shooting for LEV and solenoid valve 7 Port address setting error Confirm the port ad...

Страница 229: ... first stop of the heat source unit the sec ond detection the heat source unit will make an error stop and the error code 1500 is displayed 3 If discharge SH 10K 18 F or less is de tected more than 30 minutes after the heat source unit stops and the operation de scribed in step 1 above will start 4 For 30 minutes after the stop of the heat source unit prelimi nary errors will be dis played on the ...

Страница 230: ...o an abnormal stop and displays the code 2134 3 If an inlet water tem perature of 5 C 41 F or below or 50 C 122 F or above is detect ed again second de tection more than thirty minutes after the first detection See item 1 above it is considered as the first detection and the same sequence of op eration as the one in item 1 above is fol lowed 1 Heat source water pump failure 2 Problems with the coo...

Страница 231: ...ource unit the unit comes to an abnormal stop and displays the code 2135 3 If the above conditions are met 2nd time af ter sixty minutes have passed since the stop page of heat source unit it is considered as the first detection and the same se quence of operation as the one in item 1 above is followed 1 Heat source water pump failure 2 Problems with the heating device 3 Dirty or clogged water hea...

Страница 232: ...ed Tube connection Repair water leaks 3 Checking the water supply method Is water supplied by a pump or from the elevated reservoir If water is supplied by a pump water may leak out of the relief valve because of the temporary rise in feed water pressure above the allowable range Check the feed water pressure Allowable range 0 049 0 686MPa 7 99psi 0 5 7 0kgf cm2 Install a pressure reducing valve i...

Страница 233: ...e amount of the return water to the drain pan When a large amount of wa ter returns the gradient of drain pipe may be the rea son Check whether the drain pipe is installed prop erly as the instructions in the installation manual say Furthermore check wheth er the gradient of the unit in stallation is horizontal An error may occur due to re turn water depending on the gradient Target gradient appro...

Страница 234: ...nd turn it on again 4103 Reverse phase open phase 1 When turning on the power the operation cannot be started be cause of the open phase of one of the power lines L1 L2 or L3 1 Faulty wiring Check whether the phase of the power supply terminal block TB1 is normal Check the wiring between the pow er supply terminal block TB1 and the main boards CN20 and CN21 2 Main board failure If the above faults...

Страница 235: ...ing is faulty 4 Main board failure If none of the items described above is applicable and if the trouble reap pears even after the power is switched on again replace the MAIN board 4116 Motor abnor mality 1 LOSSNAY The motor keep run ning even if the pow er is OFF The thermal over load relay is ON Only for the three phase model 2 Indoor unit If detected less than 180rpm or more than 2000rpm the in...

Страница 236: ...on the com pressor INV board and the CNDC1 on the G A board Replace G A board when no fault is found for the above 1 4 3 Main board failure Check whether AC208 230 V is ap plied to the male connector CN52C on the main board during inverter oper ation If not applied check the main board and the fuse F01 andF02 Re place the main board when no fault is found 4 52C failure Refer to 9 4 7 4 and check t...

Страница 237: ...res Check the resistance of the cooling fan Resistance of the cooling fan Sever al hundred ohm 1k ohm 2 LEV2 failure Refer to the section Troubleshoot ing the LEV 3 THINV failure Check for a disconnected thermistor or broken wire Check sensor resistance Refer to 6 2 1 4 THHS failure 5 Blocked air pathway Check for a clogged air passage 6 Compressor INV board cooling fan output failure Confirm that...

Страница 238: ...ing fan wiring 5 THHS failure Check THHS1 sensor resistance 6 Compressor INV board failure and cooling fan fail ure Confirm that a voltage of 208 230V is applied to the compressor INV board connector CNFAN during in verter operation 7 Cooling failure Check the cooling fan operation un der the above operating conditions 8 Current sensor ACCT failure Refer to 9 4 7 4 Current sen sor ACCT 9 Compresso...

Страница 239: ...he current sensor 1 Inverter output related 9 4 7 2 Inverter output related troubles Refer to 1 5 IPM short groundingfault Detail code No 104 When IPM short damage or grounding on the load side is detected just be fore starting the inverter 1 Grounding fault of com pressor 2 Inverter output related Refer to 9 4 7 2 Overcurrent error due to short circuited motor Detail code No 105 When a short is d...

Страница 240: ...ing cooling oper ation for 3 minutes after the compressor turns on 1 Thermistor failure 2 Connector contact failure 3 Disconnected wire or par tial disconnected ther mistor wire 4 Unattached thermistor or contact failure Check the thermistor resistor 0 C 32 F 15 kohm 10 C 50 F 9 7 kohm 20 C 68 F 6 4 kohm 30 C 86 F 4 3 kohm 40 C 104 F 3 1kohm 5102 Liquid pipe 5103 Gas pipe 5104 Outdoor air temperat...

Страница 241: ...ce unit the heat source unit makes an error stop and the er ror code 5101 5106 5109 or 5112 will appear 5 During 3 minute anti restart mode prelimi nary errors will be dis played on the LED display 6 For the first ten min utes after compressor start up detection of short or open as listed above is not per formed 1 Thermistor failure Check thermistor resistance 5106 Inlet water temperature TH6 2 Pi...

Страница 242: ...ck connector Check the intake temperature of the sensor with the LED monitor When the temperature is far different from the actual temperature replace the control board 5112 Bypass outlet TH12 5115 LEV3 outlet TH15 5116 LEV3 inlet TH16 5201 High pressure sensor heat source unit 1 If the high pressure sensor detects 0 098MPa 14psi or less during the opera tion the heat source unit stops once turns ...

Страница 243: ...or code 5201 or 5203 will be displayed However an er ror stop is not made and backup operation will be started by other sensors 1 High pressure sensor fail ure Refer to the page on the troubleshooting of the high pressure sensor 9 4 1 5203 Intermediate 2 Inner pressure drop due to a leakage 3 Torn wire coating 4 A pin on the male connector is missing or contact failure 5 Disconnected wire 6 High p...

Страница 244: ...the inverter circuit trouble ACCT sensor failure Detail code 115 When the effective out put current between 2 Arms and 2 Arms is de tected during inverter op eration 1 Contact failure Check the contact of the connector CNCT2 ACCT on the compressor INV board 2 ACCT sensor failure Replace the ACCT sensor DCCT sensor failure Detail code 116 When the bus current of less than 18 Apeak is de tected at s...

Страница 245: ...e controllers for the heat source units the indoor units LOSSNAY and the M NET re mote controllers have the same ad dresses Example The error code 6600 01 appeared on the display on the remote control ler indicates that an error occurred in No 1 unit Two or more units whose addresses are 01 exist in the same system Search for the unit which has the same ad dress with that of the source of the trou...

Страница 246: ...r units connected to different heat source units or in case of the system connected with MELANS 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 208 230V Check the transmission line w...

Страница 247: ...e noise on trans mission line by following Investiga tion method of transmission wave shape noise No noise indicates that the error source controller is a failure If noise exists investigate the noise 6606 Communication error with the transmission processor Communication error between the main microcomputer on the indoor unit board and the mi crocomputer for transmission Note The address attribute...

Страница 248: ...sion wiring of BC controller 3 Disconnected connector of BC controller CN02 4 Faulty control board of BC control ler Turn off the heat source indoor units for 5 or more minutes and turn them on again If the error is accidental they will run nor mally If not check the causes 1 4 Indoor unit IC M NET re mote con troller RC MA remote controller MA No ac knowl edgement ACK at RC trans mission to IC 1 ...

Страница 249: ... RC trans mission to IC 1 Same causes as 1 5 for sys tem with one heat source unit 2 Disconnection or short circuit of the transmission line for the heat source unit on the terminal block for centralized control line con nection TB7 3 When multiple heat source units are connected and the power source of one of the heat source units has been shut off 4 The male power supply connec tor of the heat s...

Страница 250: ...lowing causes may be considered Total capacity error 7100 Capacity code error 7101 Error in the number of connected units 7102 Address setting error 7105 1 Turn off the power source of LOSSNAY for 5 or more minutes and turn it on again If the error is accidental it will run normally If not check the cause 2 2 Check the causes of 1 5 If the cause is found correct it If no cause is found check 3 3 S...

Страница 251: ...nits Same remedy as that for grouping of units in a system with multiple heat source units system controller SC No ac knowl edgement ACK at SC trans mission to IC 1 Error occurrence on some IC 1 Same cause as that for system with one heat source unit Same remedy as that for system with one heat source unit 2 Error occurrence on all IC in the system with one heat source unit 1 Total capacity error ...

Страница 252: ...C 1 Same cause as that for system with one heat source unit Same remedy as that for system with one heat source unit 2 Error occurrence on all IC in the system with one heat source unit 1 An error is found by the heat source unit Total capacity error 7100 Capacity code error 7101 Error in the number of connect ed units 7102 Address setting error 7105 2 Disconnection or short circuit of the transmi...

Страница 253: ...mote controller failure Check 1 3 on the left 2 Error occurrence on all IC in the system with one heat source unit 1 An error is found by the heat source unit Total capacity error 7100 Capacity code error 7101 Error in the number of connect ed units 7102 Address setting error 7105 2 Disconnection or short circuit of the transmission line for the heat source unit on the terminal block for centraliz...

Страница 254: ...ration of LOSS NAY is made using M NET re mote controller the indoor unit is keeping the memory of the pre vious address Delete unnecessary information of non ex isting address which some indoor units have Use either of the following two methods for deletion 1 Address deletion by M NET remote controller Delete unnecessary address informa tion using the manual setting function of M NET remote contr...

Страница 255: ...ved repeatedly due to noise 3 The transmission line voltage signal is decreased due to erro neous sizing of transmission line Farthest 200 m 656ft or less Remote controller wiring 10m 32ft or less 4 The transmission line voltage signal is decreased due to erro neous sizing of transmission line Wire diameter 1 25mm2 AGW16 or less 1 When an error occurs at commission ing Turn off the power sources o...

Страница 256: ...ape noise on MA re mote controller line by following 4 In vestigation method of transmission wave shape noise 7 When no problems are found with items 1 through 6 replace the indoor unit board or the MA remote controller The following status can be confirmed on LED1 and 2 on the indoor unit board LED1 is lit The main power source of the indoor unit is turned on LED2 is lit MA remote controller line...

Страница 257: ... unit connected turn off the power source of the heat source and the in door units and change the setting of the model name capacity code 7101 Heat source unit Indoor unit Capacity code error The model name capac ity code of the connect ed indoor unit connected is inappropriate The model name capacity code set by the switch SW2 is wrong 1 Check the model name capaci ty code of the indoor unit whic...

Страница 258: ...left 2 Check 2 5 on the left 3 Check whether the transmission line for the terminal block for centralized control TB7 is not connected to the terminal block for the indoor heat source trans mission line TB3 7105 Heat source unit BC controller Address setting error Erroneous setting of OC unit address Erroneous setting of BC controller address Erroneous setting of OC unit address The address of hea...

Страница 259: ...ller Sub 1 or 2 50 is not added to the small est indoor unit address which is connected to the BC controller Sub1 or 2 5 In the system to which multiple BC controllers are connected the indoor unit address connected to the BC controller is not set as shown below i The indoor unit address which is connected to the BC controller main ii The indoor unit address which is connected to the BC controller...

Страница 260: ...TYP1 4 5 on the main board 7130 Heat source unit Incompatible units The check code will ap pear when the indoor unit or the BC controller with different refrigerant sys tems is connected The indoor unit that uses only R22 refrigerant is connected The wrong unit model or the wrong BC controller model is connected When connecting Mr SLIM A control with M NET the con necting adapter for M NET must be...

Страница 261: ...wire v Reversed connection of the wire for the MA remote control ler 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 allow able range 2 units 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 the re mote display output of the hea...

Страница 262: ...unit for transmission lines is connected the male power supply connector is connected to the female power supply switch connector CN40 on the heat source unit 4 Disconnected M NET transmis sion line on the indoor unit side 5 Disconnected wire between the terminal block for M NET line TB5 of the indoor unit and the in door unit board CN2M or discon nected connector When 2 and 3 apply check code 710...

Страница 263: ...ed 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 transmis sion line connection TB5 on the indoor unit The M NET transmissio...

Страница 264: ...hermo is OFF Is operation possible Short circuit of the remote controller After turning the power on check whether HO PLEASE WAIT is displayed on the remote controller After more than 20 minutes since turning the power on is LED2 check of the indoor control board still displayed Is the operation by MELANS forbidden or the input from external control equipment allowed SWC ON Is the compulsory therm...

Страница 265: ...e heat source unit Disconnected wire for the MA re mote controller or disconnected 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 Check voltage of the transmission terminal block for of the M NET remote controller ...

Страница 266: ...t is lit When it is off or cannot be checked Check for the change of LED display by operating dip switch SW1 for self diagnosis Check voltage of the power supply terminal on the indoor unit AC208 230V Check the fuse on the circuit board Melted Check 208 230V circuit for short circuit and ground fault Check the connection of the connector Check the main power of the power supply wire Turn on the po...

Страница 267: ...ource unit 13 In the system to which the power supply unit for transmission lines is connected the male power supply connector is connected to the female power supply switch connector CN40 on the heat source unit Check method and remedy Using MELANS When MELANS is used HO or PLEASE WAIT display on the remote controller will disappear when the indoor unit and the local remote controller M NET remot...

Страница 268: ... to be confirmed has been cut off 7 The transmission line for central ized control TB7 is disconnect ed 8 When the indoor units connected to different heat source units are grouped without MELANS the male power supply connector is not connected to the female pow er supply switch connector CN40 for the transmission line for centralized control 9 The male power supply connec tors on 2 or more heat s...

Страница 269: ...sensor than the actual pressure causes insufficient ca pacity SW1 setting 2 Check temperature difference between the evaporating temperature Te and the target evaporating temperature Tem with self diagnosis LED Note Higher Te than Tem causes in sufficient capacity SW1 setting Note Protection works and compressor frequency does not rise even at higher Te than Tem due to high discharge temperature a...

Страница 270: ...ipe 7 The indoor unit inlet temperature is excessively Less than 15 C 59 F WB Check the inlet air temperature and for short cycling Change the environment where the indoor unit is used 8 Compressor failure The amount of circulating refriger ant decreases due to refrigerant leak in the compressor Check the discharge temperature to deter mine if the refrigerant leaks as it rises if there is a leak 9...

Страница 271: ...n the con densing temperature Tc and the tar get condensing temperature Tcm with self diagnosis LED Note Higher Tc than Tcm causes insuf ficient capacity SW1 setting Protection works and compressor fre quency does not rise even at lower Tc than Tcm due to high discharge temperature and high pressure At high discharge temperature Refer to 1102 At high pressure Refer to 1302 2 Indoor unit LEV malfun...

Страница 272: ...nit inlet temperature is excessively high exceeding 28 C 82 F Check the inlet air temperature and for short cycling Change the environment where the indoor unit is used 9 Insufficient refrigerant amount Protection works and compressor frequency does not rise due to low discharge temperature Refrigerant recovery operation is likely to start Refer to 2 1 Compressor frequency does not rise sufficient...

Страница 273: ... to the above Freeze protection is detected by one or all indoor units Note Even the second stop is not considered as an error when some specified errors occur eg The third stop is considered as an error when the thermistor error occurs 1 Check the mode operated in the past by displaying preliminary error history on LED display with SW1 2 Reoperate the unit to find the mode that stops the unit by ...

Страница 274: ...ded 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 overlaps Transmission wave pattern is transformed due to the noise creating a new signal 6602 Transmission pro cessor hardware er...

Страница 275: ...ork is per formed accord ing to ground ing speci fications 5 Is the grounding of the shield of the transmission line for indoor unit con trol provided on the indoor unit One point grounding must be provided on the heat source unit If no grounding is provided the noise on the transmission line cannot escape leading to change of the transmission sig nal 6 Check the treatment method of the shield of ...

Страница 276: ...e controller is within 200m 656ft 8 The types of transmission lines are different Use the specified transmission line Type Shielded wire CVVS CPEVS MVVS For M NET re mote controller Diameter 1 25mm2 AWG16 or more Remote controller wire 0 3 1 25mm2 AGW22 16 9 Check the state of the choke coil on the transmis sion power supply circuit When resistance of the choke coil L2 is between 0 5 and 2 6 ohm t...

Страница 277: ...ssure sensor has a problem 3 Remove the high pressure sensor from the main 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 main board has a problem 4 Remove the high pressure senso...

Страница 278: ...lem 2 When the pressure displayed on self diagnosis LED is approximately 1 7MPa 247psi the main board has a prob lem When the outdoor temperature is 30 C 86 F or less the main board has a problem When the outdoor temperature exceeds 30 C 86 F go to 5 4 Remove the low pressure sensor from the main board and short circuit between the No 2 and 3 connectors 63HS to check the pressure with the self dia...

Страница 279: ... powered Relay ON 1 At compressor start up the SV1 turns on for 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 SV1 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 v...

Страница 280: ...heck Valves Block 1Y BV2 ST1 BV1 CV8a CV10a CV9a CV4a CV3a CV6a CV7a TH6 SV4b SV4c SV4d ST14 ST15 ST16 Solenoid Valves Block 1 SV7b CV11 SV7a TH7 ST2 LEV1 ST8 TH5 TH8 TH9 SV4a 10HP only Orifice Water circulating Water heat exchanger Double coil type Refrigerant circuit PQHY 6 5 4 3 2 1 ...

Страница 281: ...V8a CV10a CV9a CV5a CV4a CV2a CV3a CV6a CV7a TH6 SV4b SV4c SV4d ST14 ST15 ST16 SV7b CV11 SV7a TH9 SV4a Solenoid valve block 1 10HP only Water circuit Orifice Refrigerant circuit PQRY 6 5 4 3 2 1 Tightening torque 150N m Pin face tool Pin face tool Plunger Cap ...

Страница 282: ...CV7a TH6 SV4b SV4c SV4d ST14 ST15 ST16 Solenoid Valves Block 1 SV7b CV11 SV7a TH7 ST2 LEV1 ST8 TH5 TH8 TH9 SV4a 10HP only Orifice Water circulating Water heat exchanger Double coil type Refrigerant flow in the case of cooling Refrigerant flow in the case of heating High pressure gas High pressure liquid Low pressure gas liquid Refrigerant circuit PQHY 1 2 4 5 6 7 8 9 10 1 1 1 1 1 5 1 5 1 6 1 6 1 7...

Страница 283: ...the case of heating High pressure gas High pressure liquid Low pressure gas liquid BV2 ST1 BV1 CV8a CV10a CV9a CV5a CV4a CV2a CV3a CV6a CV7a TH6 SV4b SV4c SV4d ST14 ST15 ST16 SV7b CV11 SV7a TH9 SV4a 10HP only Check valve block 1 Solenoid valve block 1 Orifice Water circuit 6 7 8 9 5 3 1 4 2 10 Hex wrench Valve plug Gasket Gasket C B A Check valve block ...

Страница 284: ... OFF OFF ON 2 ON ON OFF OFF 3 OFF ON ON OFF 3 OFF OFF ON ON Pulse signal output and valve operation Output pulses change in the following orders when the Valve is closed 1 2 3 4 1 Valve is open 4 3 2 1 4 1 When the LEV opening angle does not change all the output phases will be off 2 When the output is open phase or remains ON the motor cannot run smoothly and rattles and vibrates When the power i...

Страница 285: ...1 2 3 4 5 6 7 8 1 Valve is open 8 7 6 5 4 3 2 1 8 1 When the LEV opening angle does not change all the output phases will be off 2 When the output is open phase or remains ON the motor cannot run smoothly and rattles and vibrates Output phase number Output state When the power is turned on the valve closing signal of 520 pulses will be output from the indoor board to LEV to fix the valve position ...

Страница 286: ... tester They are normal if resistance is 150 10 Replace the LEV coils Indoor unit Measure resistance between the coils red white red orange brown yellow brown blue using a tester They are normal if resistance is 46 within 3 Replace the LEV coils Heat source unit Incomple sealing leak from the valve When checking the refrigerant leak from the In door unit LEV run the target indoor unit in the fan m...

Страница 287: ... the body gripped undue force will be applied and the pipe will be bent Installing the coils Fix the body tightly at the bottom Part A in the figure so that the body will not move then insert the coils from the top and insert the coil stopper securely in the pipe on the body Hold the body when pulling out the coils to prevent so that the pipe will not be bent If the coils are pushed without the bo...

Страница 288: ...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 connected correctly betw...

Страница 289: ...lied 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 Measuremen...

Страница 290: ... 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 No temperature difference No temperature dif...

Страница 291: ...w When the result is 10 it is normal Note4 Check the self diagnosis switch Heat source unit control board SW1 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON TH22 TH25 TH22 TH25 Liquid inlet temperature Bypass outlet temperature Bypass outlet temperature B...

Страница 292: ...ly 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 Note 3 YES NO Cooling ope...

Страница 293: ...BC controller sound Non cooling and non heat ing 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 NU G GA Main LEV1 Inclined to close Heating only Heating main Cooling main Difference betwe...

Страница 294: ...10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 ON LEV1 opening LEV3 opening LEV3a opening BC controller bypass outlet superheat BC controller intermediate part subcool SH12 LEV2 opening LEV3a opening SC16 BC controller liquid side subcool SC11 Measurement data SW1 setting value Symbol NU G GA Standard main NU GB Sub 1 NU GB Sub 2 ...

Страница 295: ...eck 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 yellow and brown and blue...

Страница 296: ... 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 downstream pipes of the solenoid valve and compare them There is n...

Страница 297: ... at the upstream and downstream pipes and of SVA 4 BC controller transformer Before measuring the resistance pull out the connector Mode Cooling Heating Stopped Fan Port SVA ON OFF OFF OFF SVB OFF ON OFF OFF SVC ON OFF OFF ON Operation mode Cooling only Cooling main Heating only Heating main Stopped SVM1 ON Pressure differ ential control OFF or ON OFF OFF OFF SVM2 OFF OFF Pressure differ ential co...

Страница 298: ...Check the inverter frequency on the LED monitor and proceed to 2 3 if the compressor is in operation 5 The compressor vibrates violently at all times or makes an abnor mal sound See 2 3 6 Noise is picked up by the peripheral device 1 Check that power supply wiring of the peripheral device does not run close to the power supply wiring of the outdoor heat source unit 2 Check that the inverter output...

Страница 299: ...de tection circuit Perform the following Remove the connector CNDR2 on the compressor INV board Operate the outdoor heat source unit after above steps Check the error status The compressor does not run because CNDR2 which out puts the IPM drive signal has been disconnected 1 IPM overcurrent breaker trip 4250 Detail code No 101 102 103 104 105 106 and 107 Replace the compressor INV board 2 Logic er...

Страница 300: ... the voltage imbalance across all wiring is great er than the larger of the values represented by 5 or 5V 3 No voltage imbalance across all wiring See item 2 Proceed to item 5 however if there is no problem in section 2 Replace the compressor if there is no problem in section 5 4 Check whether the inverter is damaged Per form this check if an error oc curs during op eration Turn on the outdoor hea...

Страница 301: ...nce or er ror reoccurrence after replace ment Replace the INV board 4 All normal for items 1 3 above Replace the IPM In the case of an output voltage im balance or error reoccurrence Replace the G A board In the case of an output voltage imbalance or error reoccurrence after replace ment Replace the INV board Items to be checked Phenomena Remedy 1 Perform Meg check between the terminals on the pow...

Страница 302: ... W phase Check point Judgment value Row A Short circuit is not allowed Row B to Row E Measure resistance between terminals on each row Installation direction Test button Row A Row B Row C Row D Row E The coil is driven when AC 208 230V is applied Note that the coil is not driven at DC 12V which is different from the conventional relays The resistance of row A cannot be measured with a tester Check...

Страница 303: ...not allowed Tester restriction Use the tester 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 ap plied voltage is low Use a low range tester if possible A more accurate resistance can be measured Judgment value reference Black P N U V W Red P 5 2...

Страница 304: ...ery small If the output wire from the IPM to the compressor is connected incorrectly the compressor will be damaged Perform wiring carefully in order of color shown in the wiring diagram below 2 Coat the radiation surface of the IPM and diode stack evenly with the grease that is provided with the service parts Apply a thin layer of grease to the entire surface of the back of the IPM and diode stac...

Страница 305: ...7 TB8 52C Solenoid valve 4 way valve Terminal block for power source Fuse 3 A Fuse 6 A Compressor G A board INV board IPM drive circuit DC DC converter 7 V Power supply 30 V Power supply Microcomputer Microcomputer 52C Relay LEV Drive circuit CN40 Main board Cooling fan Surge protection Cooling fan Drive circuit 5 V Power supply Solenoid valve Noise filter Rectifier Smoothing capacitor Inverter 52...

Страница 306: ...O NO NO NO Check if the connector CNL1 and CNL2 on the INV board are not disconnected Check if the indoor heat source transmission line is not short circuited and repair the problem Check whether the transmission line is disconnected check for contact failure and repair the problem Connected Check the wiring between connectors CNS1 and TB3 Check if the connector CNS1 is not disconnected Disconnect...

Страница 307: ...door units to the cooling mode iii Check that all the indoor units are performing a cooling operation In case of PQHY series 2 Check the values of Tc and TH7 To display the values on the LED screen use the self diagnosis switch SW1 on the heat source unit MAIN board i When Tc TH7 is 10K 18 F or more See the next item 4 ii When Tc TH7 is less than 10K 18 F After the compressor stops collect the ref...

Страница 308: ...emote controller for all the indoor units to the heating mode iii Check that all the indoor units are performing a heating operation 2 Stop all the indoor units and stop the compressor i To stop all the indoor units and the compressors turn SW3 2 from ON to OFF when SW3 1 on the heat source unit MAIN board is ON ii Check that all the indoor units are stopped 3 Close the ball valves BV1 and BV2 4 C...

Страница 309: ...ocedure Explanatory figure 1 To check the inside of the control box remove 2 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 NU G NU GA or NU GB 2 Check that the wire or the connector is ...

Страница 310: ...he lead wire of the temperature sensor securely on the control board 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 side pressure sensor CNP1 2 Intermediate part pressure sensor CNP3 3 Attach a new pressure sensor to the pl...

Страница 311: ...procedure Explanatory figure 1 Remove the service panel Refer to 1 1 2 3 2 Remove the connector of the solenoid valve in trouble 3 Remove the solenoid valve coil 1 For the solenoid valve coil of SVA SVB or SVM1 2 can be serviced from the inspection door is possible For SVC however remove the rear panel 4 machine screws to replace the coil if enough service space can be secured at the rear Only NU ...

Страница 312: ... 303 X LED Monitor Display on the Heat Source Unit Board 1 How to Read the LED on the Service Monitor 305 ...

Страница 313: ... 304 ...

Страница 314: ...alue into a value in SI unit Value in SI unit MPa Displayed value kg cm2 x 0 098 Use the following conversion formula to convert the displayed value into a value in SI unit Value in SI unit MPa Displayed value kg cm2 x 0 098 By setting DIP SW5 3 on the outdoor heat source unit controller board to ON values can be displayed in English measurement units 2 Flag display Each set of 2 lines in vertical...

Страница 315: ...is turned 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 G50 adjusts the time once a day When the system controller is connected the time will be automatically updated to the correct current ...

Страница 316: ...out put display 2 21S4a CH11 Items marked with are only applicable to the PQRY series 4 0010000000 Relay out put display 3 SV1 SV4a SV4b SV4c 5 1010000000 Relay out put display 4 SV4d 6 0110000000 Relay out put display 5 SV7a SV7b SV7c 7 1110000000 8 0001000000 9 1001000000 Communica tion demand capacity 0000 to 9999 If not demanded controlled appears on the display 10 0101000000 Contact point de ...

Страница 317: ...t No 16 25 1001100000 Unit No 17 Unit No 18 Unit No 19 Unit No 20 Unit No 21 Unit No 22 Unit No 23 Unit No 24 26 0101100000 27 1101100000 28 0011100000 29 1011100000 30 0111100000 Indoor unit thermostat Unit No 1 Unit No 2 Unit No 3 Unit No 4 Unit No 5 Unit No 6 Unit No 7 Unit No 8 Lit when thermo stat is on Unlit when ther mostat is off 31 1111100000 Unit No 9 Unit No 10 Unit No 11 Unit No 12 Uni...

Страница 318: ... 0100110000 TH7 99 9 to 999 9 51 1100110000 TH8 99 9 to 999 9 52 0010110000 53 1010110000 54 0110110000 TH9 99 9 to 999 9 55 1110110000 56 0001110000 THINV 99 9 to 999 9 57 1001110000 58 0101110000 59 1101110000 60 0011110000 THHS1 99 9 to 999 9 The unit is C or F 1 61 1011110000 62 0111110000 63 1111110000 64 0000001000 65 1000001000 66 0100001000 67 1100001000 68 0010001000 69 1010001000 70 0110...

Страница 319: ... to 999 9 83 1100101000 Tc 99 9 to 999 9 84 0010101000 Te 99 9 to 999 9 85 1010101000 86 0110101000 87 1110101000 All tempo rary frequen cies 0000 to 9999 Control data Hz 88 0001101000 Control fre quency of COMP 1 0000 to 9999 89 0001101000 90 0101101000 91 1101101000 Operation frequency of COMP 1 0000 to 9999 Operation fre quency of com pressor Hz 2 92 0011101000 93 1011101000 94 0111101000 AK1 0...

Страница 320: ... 114 0100111000 115 1100111000 116 0010111000 117 1010111000 COMP1 Op eration time Upper 4 dig its 0000 to 9999 The unit is h 118 0110111000 COMP1 Op eration time Lower 4 dig its 0000 to 9999 119 1110111000 120 0001111000 121 1001111000 122 0101111000 123 1101111000 COMP 1 number of start stop events Upper 4 dig its 0000 to 9999 Count up at start up The unit is Time 124 0011111000 COMP 1 number of...

Страница 321: ...13 SVC 13 SVA 14 SVB 14 SVC 14 140 0011000100 SVA 15 SVB 15 SVC 15 SVA 16 SVB 16 SVC 16 141 1011000100 Relay out put display BC Sub control ler 1 SVA1 SVB1 SVC1 SVA2 SVB2 SVC2 142 0111000100 SVA3 SVB3 SVC3 SVA4 SVB4 SVC4 143 1111000100 SVA5 SVB5 SVC5 SVA6 SVB6 SVC6 144 0000100100 SVA7 SVB7 SVC7 SVA8 SVB8 SVC8 145 1000100100 Relay out put display BC Sub control ler 2 SVA1 SVB1 SVC1 SVA2 SVB2 SVC2 1...

Страница 322: ...999 9 The unit is deg C or deg F 1 156 0011100100 BC control ler Main controller or standard controller SH12 99 9 to 999 9 157 1011100100 BC control ler Main controller or standard controller SH13 99 9 to 999 9 158 0111100100 BC control ler Main controller or standard controller SC16 99 9 to 999 9 159 1111100100 BC control ler Main controller or standard controller LEV1 0000 to 2000 LEV 1 opening ...

Страница 323: ...75 1111010100 176 0000110100 177 1000110100 178 0100110100 Error history 1 0000 to 9999 Address and er ror codes high lighted If no errors are detected appears on the display 179 1100110100 Error details of inverter Error details of inverter 0001 0120 180 0010110100 Error history 2 0000 to 9999 181 1010110100 Error details of inverter Error details of inverter 0001 0120 182 0110110100 Error histor...

Страница 324: ...rce unit opera tion status BC op eration com mand Warm up mode 3 min utes re start mode Com pressor in oper ation Prelimi nary er ror Error 3 min utes re start after in stanta neous power failure Prelimi narylow pres sure er ror Items marked with are only applicable to the PQRY series No 201 through No 299 show data to be col lected immedi ately before abnormal stop or preliminary error 202 010100...

Страница 325: ...ighting SV4d 215 1110101100 Relay out put display 5 Lighting SV7a SV7b SV7c 216 0001101100 TH11 99 9 to 999 9 The unit is C or F 1 217 1001101100 218 0101101100 219 1101101100 TH5 99 9 to 999 9 Items marked with are only applicable to the PQHY se ries 220 0011101100 TH6 99 9 to 999 9 221 1011101100 TH7 99 9 to 999 9 222 0111101100 TH8 99 9 to 999 9 223 1111101100 224 0000011100 225 1000011100 TH9 ...

Страница 326: ...111100 248 0001111100 249 1001111100 Qj Qjc Qjh 0000 to 9999 250 0101111100 Qjc 0000 to 9999 251 1101111100 Qjh 0000 to 9999 252 0011111100 Target Tc 99 9 to 999 9 The unit is C or F 1 253 1011111100 Target Te 99 9 to 999 9 254 0111111100 Tc 99 9 to 999 9 255 1111111100 Te 99 9 to 999 9 256 0000000010 257 1000000010 258 0100000010 All tempo rary frequen cies 0000 to 9999 Control data Hz 259 110000...

Страница 327: ...1110100010 COMP 1 op eration cur rent DC 99 9 to 999 9 Peak value A 280 0001100010 281 1001100010 282 0101100010 COMP 1 bus voltage 99 9 to 999 9 The unit is V 283 1101100010 284 0011100010 285 1011100010 286 0111100010 287 1111100010 288 0000010010 COMP 1 Op eration time Upper 4 dig its 0000 to 9999 The unit is h 289 1000010010 COMP 1 Op eration time Lower 4 dig its 0000 to 9999 290 0100010010 29...

Страница 328: ...01 1011010010 302 0111010010 303 1111010010 304 0000110010 305 1000110010 306 0100110010 307 1100110010 308 0010110010 309 1010110010 310 0110110010 311 1110110010 312 0001110010 313 1001110010 314 0101110010 315 1101110010 316 0011110010 317 1011110010 318 0111110010 319 1111110010 320 0000001010 BC control ler Main controller or standard controller TH11 99 9 to 999 9 The unit is C or F 1 Items N...

Страница 329: ...i 1 325 1010001010 BC control ler Main controller or standard controller 63HS3 99 9 to 999 9 326 0110001010 327 1110001010 328 0001001010 329 1001001010 330 0101001010 BC control ler Main controller or standard controller LEV1 0000 to 2000 LEV 1 opening Fully open 2000 331 1101001010 BC control ler Main controller or standard controller LEV3 0000 to 2000 LEV 3 opening Fully open 2000 332 001100101...

Страница 330: ...99 0000 to 9999 Displayed alter nately every 5 seconds 352 0000011010 IC2 Address ca pacity code 0000 to 9999 0000 to 9999 353 1000011010 IC3 Address ca pacity code 0000 to 9999 0000 to 9999 354 0100011010 IC4 Address ca pacity code 0000 to 9999 0000 to 9999 355 1100011010 IC5 Address ca pacity code 0000 to 9999 0000 to 9999 356 0010011010 IC6 Address ca pacity code 0000 to 9999 0000 to 9999 357 1...

Страница 331: ...9 0000 to 9999 367 1111011010 IC17 Address ca pacity code 0000 to 9999 0000 to 9999 368 0000111010 IC18 Address ca pacity code 0000 to 9999 0000 to 9999 369 1000111010 IC19 Address ca pacity code 0000 to 9999 0000 to 9999 370 0100111010 IC20 Address ca pacity code 0000 to 9999 0000 to 9999 371 1100111010 IC21 Address ca pacity code 0000 to 9999 0000 to 9999 372 0010111010 IC22 Address ca pacity co...

Страница 332: ...0 399 1111000110 400 0000100110 401 1000100110 402 0100100110 403 1100100110 404 0010100110 405 1010100110 406 0110100110 407 1110100110 408 0001100110 IC1 Suction temperature 99 9 to 999 9 The unit is C or F 1 409 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 9 412 0011100110 IC5 Suction tem...

Страница 333: ...re 99 9 to 999 9 423 1110010110 IC16Suction temperature 99 9 to 999 9 424 0001010110 IC17Suction temperature 99 9 to 999 9 425 1001010110 IC18Suction temperature 99 9 to 999 9 426 0101010110 IC19Suction temperature 99 9 to 999 9 427 1101010110 IC20Suction temperature 99 9 to 999 9 428 0011010110 IC21Suction temperature 99 9 to 999 9 429 1011010110 IC22Suction temperature 99 9 to 999 9 430 01110101...

Страница 334: ...d pipe temperature 99 9 to 999 9 460 0011001110 IC3 Liquid pipe temperature 99 9 to 999 9 461 1011001110 IC4 Liquid pipe temperature 99 9 to 999 9 462 0111001110 IC5 Liquid pipe temperature 99 9 to 999 9 463 1111001110 IC6 Liquid pipe temperature 99 9 to 999 9 464 0000101110 IC7 Liquid pipe temperature 99 9 to 999 9 465 1000101110 IC8 Liquid pipe temperature 99 9 to 999 9 466 0100101110 IC9 Liquid...

Страница 335: ...0101101110 IC17 Liquid pipe temperature 99 9 to 999 9 475 1101101110 IC18 Liquid pipe temperature 99 9 to 999 9 476 0011101110 IC19 Liquid pipe temperature 99 9 to 999 9 477 1011101110 IC20 Liquid pipe 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 ...

Страница 336: ...0000001 Self address Alternate display of self address and unit model 513 1000000001 IC FU ad dress Count up display of number of connected units 514 0100000001 RC address Count up display of number of connected units 515 1100000001 BC TU ad dress Count up display of number of connected units Item No 515 is applicable only to the PQRY se ries 516 0010000001 517 1010000001 Main board S W version et...

Страница 337: ...999 9 531 1100100001 IC9 Gas pipe temperature 99 9 to 999 9 532 0010100001 IC10 Gas pipe temperature 99 9 to 999 9 533 1010100001 IC11 Gas pipe temperature 99 9 to 999 9 534 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 010110...

Страница 338: ...00010001 IC23 Gas pipe temperature 99 9 to 999 9 546 0100010001 IC24 Gas pipe temperature 99 9 to 999 9 547 1100010001 548 0010010001 549 1010010001 550 0110010001 551 1110010001 552 0001010001 553 1001010001 554 0101010001 555 1101010001 556 0011010001 557 1011010001 558 0111010001 559 1111010001 560 0000110001 561 1000110001 562 0100110001 563 1100110001 564 0010110001 565 1010110001 566 0110110...

Страница 339: ... to 999 9 582 0110001001 IC10SH 99 9 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 ...

Страница 340: ...627 1100111001 IC5SC 99 9 to 999 9 628 0010111001 IC6SC 99 9 to 999 9 629 1010111001 IC7SC 99 9 to 999 9 630 0110111001 IC8SC 99 9 to 999 9 631 1110111001 IC9SC 99 9 to 999 9 632 0001111001 IC10SC 99 9 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 01111...

Страница 341: ...00100101 660 0010100101 661 1010100101 662 0110100101 663 1110100101 664 0001100101 665 1001100101 666 0101100101 667 1101100101 668 0011100101 669 1011100101 670 0111100101 671 1111100101 672 0000010101 673 1000010101 674 0100010101 675 1100010101 676 0010010101 Compressor INV board S W version 0 00 to 99 99 677 1010010101 678 0110010101 679 1110010101 680 0001010101 681 1001010101 682 0101010101...

Страница 342: ... 4 2 00 00 to 99 12 1 to 31 Year and month and date alter nate display 698 0101110101 Time of error detection 5 00 00 to 23 59 Hour minute 699 1101110101 Time of error detection 5 2 00 00 to 99 12 1 to 31 Year and month and date alter nate display 700 0011110101 Time of error detection 6 00 00 to 23 59 Hour minute 701 1011110101 Time of error detection 6 2 00 00 to 99 12 1 to 31 Year and month and...

Страница 343: ... 0000101101 IC7 LEV opening 0000 to 2000 721 1000101101 IC8 LEV opening 0000 to 2000 722 0100101101 IC9 LEV opening 0000 to 2000 723 1100101101 IC10 LEV opening 0000 to 2000 724 0010101101 IC11 LEV opening 0000 to 2000 725 1010101101 IC12 LEV opening 0000 to 2000 726 0110101101 IC13 LEV opening 0000 to 2000 727 1110101101 IC14 LEV opening 0000 to 2000 728 0001101101 IC15 LEV opening 0000 to 2000 7...

Страница 344: ...1 1111011101 752 0000111101 753 1000111101 754 0100111101 755 1100111101 756 0010111101 757 1010111101 758 0110111101 759 1110111101 760 0001111101 761 1001111101 762 0101111101 763 1101111101 764 0011111101 IC1 Opera tion mode 0000 Stop 0001 Ventilation 0002 Cooling 0003 Heating 0004 Dry 765 1011111101 IC2 Opera tion mode 766 0111111101 IC3 Opera tion mode 767 1111111101 IC4 Opera tion mode 768 0...

Страница 345: ... 777 1001000011 IC14 Opera tion mode 778 0101000011 IC15 Opera tion mode 779 1101000011 IC16 Opera tion mode 780 0011000011 IC17 Opera tion mode 781 1011000011 IC18 Opera tion mode 782 0111000011 IC19 Opera tion mode 783 1111000011 IC20 Opera tion mode 784 0000100011 IC21 Opera tion mode 785 1000100011 IC22 Opera tion mode 786 0100100011 IC23 Opera tion mode 787 1100100011 IC24 Opera tion mode 788...

Страница 346: ...r 0000 to 9999 820 0010101011 IC7 filter 0000 to 9999 821 1010101011 IC8 filter 0000 to 9999 822 0110101011 IC9 filter 0000 to 9999 823 1110101011 IC10 filter 0000 to 9999 824 0001101011 IC11 filter 0000 to 9999 825 1001101011 IC12 filter 0000 to 9999 826 0101101011 IC13 filter 0000 to 9999 827 1101101011 IC14 filter 0000 to 9999 828 0011101011 IC15 filter 0000 to 9999 829 1011101011 IC16 filter 0...

Страница 347: ...101011 852 0010101011 853 1010101011 854 0110101011 855 1110101011 856 0001101011 857 1001101011 858 0101101011 859 1101101011 860 0011101011 861 1011101011 862 0111101011 863 1111101011 864 0000011011 865 1000011011 866 0100011011 867 1100011011 868 0010011011 869 1010011011 870 0110011011 871 1110011011 U phase current ef fective value 99 9 to 999 9 The unit is A 872 0001011011 W phase current e...

Страница 348: ...oard Reset counter 0 to 254 882 0100111011 883 1100111011 884 0010111011 885 1010111011 886 0110111011 887 1110111011 888 0001111011 889 1001111011 890 0101111011 891 1101111011 892 0011111011 893 1011111011 894 0111111011 895 1111111011 896 0000000111 897 1000000111 898 0100000111 899 1100000111 900 0010000111 901 1010000111 902 0110000111 903 1110000111 904 0001000111 905 1001000111 906 01010001...

Страница 349: ...05040 Printed in Japan New publication effective Dec 2005 Specifications subject to change without notice PQHY P72 P96TGMU A PQRY P72 P96TGMU A CMB P104 P105 P106 P108 P1010 P1013 P1016NU G CMB P108 P1010 P1013 P1016NU GA CMB P104 P108NU GB ...

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