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Mitsubishi Electric PQHY-P120THMU-A, Руководство по обслуживанию

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[ 

V 

 Electrical Wiring Diagram ] 

- 113 -

HWE09080

GB

(3) CMB-P108,1010NU-G models

     2.The initial set values

       of switch on CONT

.B

       are as follows.

       SW1:0

       SW2:0

Pressure sensor

TR    

TH1

1,12,15,16  

LEV1,3

PS1,3  

SV1~10A,B,C

Symbol

Name

T

ransformer

Thermistor sensor

Expansion valve

Solenoid valve

TB01

T

erminal block

(for power source)

TB02

T

erminal block

(for T

ransmission)

CONT

.B

T1~10

T

erminal

Fuse 

AC250V 6.3A

 F

F01

Solenoid valve

SVM1

CN51

CN53

654321

1
2
3
4
5
6

654321

(Red)

ZNR01

ZNR02

L1

TB01

L2

CN31(Y

ellow)

CN30(Black)

CN29(Green)

CN28(Blue)

CN27(Red)

CN05

CN07

CN13

CNP1

M1

M2

TB02

S(SHIELD)

X21

3

1

CN36(Green)

CN12

3

3

31

5

7

1357

1357

13

7

5

X20

X19

X39

X38

X17

X18

X16

X15

X37

X36

X13

X14

CN34(Black)

CN33(Red)

CN32

CN35(Blue)

16

16

13

14

15

9

10

11

12

5

6

7

8

4

4

5

6

87

9

12

1

1

10

15

14

13

SV10C

SV9C

SV8C

SV7C

SV10A

SV9A

SV8A

SV7A

SV10B

SV9B

SV8B

SV7B

4

3

2

1

4

3

2

1

4

3

2

1

4

3

2

1

4

3

2

1

4

3

2

1

4

3

2

1

4

3

2

1

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

X1

1

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

7654321

CN39

3

1

CN52

CONT

.B

6
5
4
3
2
1

6
5
4
3
2
1

LEV3

LEV1

1

2

3

1

2

3

CNP3

2

1

1

2

3

4

5

6

7

8

4

3

2

1

1

2

32

1

CN03

CN02

CN10

CN1

1

TH1

1

TH12

TH15

TH16

TR

PS1

PS3

CN50

7654321

1
2
3
4
5
6
7

1

35

13

CN38

CN26

3

1

CNTR

1

2

3

1

2

3

SVM1

REL.B

Note:1.TB02 is transmission

       terminal block.

       Never connect power

       line to it.

G

G

T

O

 NEXT

 INDOOR UNIT

PULL

 BOX

FUSE(15A)

BREAKER(15A)

POWER SUPPL

Y

~208V

-230V 60Hz

 Indoor/outdoor (heat source)

T

ransmission line 

T10

T9

T8

T7

T1

T5

T4

T3

T2

T6

1

3

2

3

1

2

18

ON

OFF

SW5

SW4

ON

OFF

18

(Symbol explanation)

Circuit

board

BC controller

REL.B

Relay

CMB-P1010NU-G ONL

Y

(Y

ellow)

DSA

(Red)

(Y

ellow)

(Red)

(Black)

F01

250V

AC

6.3A

 F

CMB-P1010NU-G ONL

Y

10

1

SW1

SW2

Содержание PQHY-P120THMU-A

Страница 1: ......

Страница 2: ...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 may result in water leakag...

Страница 3: ...er 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 electric grill poisonous gases may be produced Do not try to defeat the safety features of the unit Forced operation of the pressure switch or the temperature switch by defeating the safety features of these devices or the use ...

Страница 4: ...igerant 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 exclusive...

Страница 5: ...ently Doing so may lead to a re markable drop in performance electric shock malfunc tions smoke and or fire The presence of organic solvents or corrosive gas i e ammonia sulfur compounds and acid may cause gas leakage 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 operatio...

Страница 6: ...ires 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 When handling units always wear protective gloves to protect your hands from metal parts and high tempera ture parts Periodically check the installation base for damage If the unit is left on a damaged pl...

Страница 7: ...of the unit 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 t...

Страница 8: ... source Unit 78 3 Heat source Unit Circuit Board 81 4 BC Controller Components 88 5 Control Box of the BC Controller 91 6 BC Controller Circuit Board 92 IV Remote Controller 1 Functions and Specifications of MA and ME Remote Controllers 97 2 Group Settings and Interlock Settings via the ME Remote Controller 98 3 Interlock Settings via the MA Remote Controller 102 4 Using the built in Temperature S...

Страница 9: ...f Transmission Wave Shape Noise 303 4 Troubleshooting Principal Parts 306 5 Refrigerant Leak 343 6 Compressor Replacement Instructions 347 7 Servicing the BC controller 353 8 Troubleshooting Using the Heat source Unit LED Error Display 356 X LED Monitor Display on the Heat source Unit Board 1 How to Read the LED on the Service Monitor 359 ...

Страница 10: ...Materials 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 12 10 Remedies to be taken in case of a Refrigerant Leak 12 11 Characteristics of the Conventional and the New Refrigerants 13 12 Notes on Refrigerating Machine Oil 14 ...

Страница 11: ... 2 ...

Страница 12: ...e use of tools page 4 5 Verification of the connecting pipes Verify the type of refrigerant used for the unit to be moved or replaced Use refrigerant pipes made of phosphorus deoxidized copper Keep the inner and outer surfaces of the pipes clean and free of such contaminants as sulfur oxides dust dirt shaving particles oil and water These types of contaminants inside the refrigerant pipes may caus...

Страница 13: ...he refrigerant type is indicated The cylinder is pink Charging Port on the Refrigerant Cylinder Refrigerant charging The charge port diameter is larger than that of the current port Flare Nut Connection of the unit with the pipes Use Type 2 Flare nuts Tools Materials Use Notes Gas Leak Detector Gas leak detection The ones for use with HFC refrigerant may be used Vacuum Pump Vacuum drying May be us...

Страница 14: ...stem that uses R410A use pipes that are made with 1 2H 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 copper pipes They can easily be bent with...

Страница 15: ...of the pipes must be between 1 0 and 1 5 mm For margin adjustment a copper pipe gauge is necessary 6 Flare nut The flare nut type has been changed to increase the strength The size of some of the flare nuts have also been changed The figures in the radial thickness column are based on the Japanese standards and provided only as a reference Use pipes that meet the local standards Flare processing d...

Страница 16: ...brazing Keep elbow pipes and T joints in plastic bags The new refrigerator oil is 10 times as hygroscopic as the conventional refrigerating machine oil such as Suniso and if not handled with care could easily introduce moisture into the system Keep moisture out of the pipes for it will cause the oil to deteriorate and cause a compressor failure 5 Pipe Processing Use a small amount of ester oil eth...

Страница 17: ...pper pipes or between a copper pipe and copper coupling If installed refrigerant pipes are not immediately connected to the equipment then braze and seal both ends 2 Reasons The new refrigerating machine oil is 10 times as hygroscopic as the conventional oil and is more likely to cause unit failure if water infiltrates into the system Flux generally contains chloride Residual flux in the refrigera...

Страница 18: ...ount Refrigerant R410A must be charged in its liquid state vs gaseous state 2 Reasons Oxygen if used for an air tightness test poses a risk of explosion Only use nitrogen to check air tightness Refrigerant R410A must be charged in its liquid state If gaseous refrigerant in the cylinder is drawn out first the composition of the remaining refrigerant in the cylinder will change and become unsuitable...

Страница 19: ...orough vacuum drying re moves moisture in the pipes Verify that the vacuum degree has not risen by more than 1Torr 130Pa 1hour after evacuation A rise by less than 1Torr 130Pa is acceptable If the vacuum is lost by more than 1Torr 130Pa conduct evacuation following the instructions in section 6 Special vacuum drying 5 Procedures for stopping vacuum pump To prevent the reverse flow of vacuum pump o...

Страница 20: ... apply a vacuum through the check joints at the refrigerant service valve BV1 and 2 and also through the check joints on the high and low pressure sides CJ1 and 2 To evacuate air only from the heat source units Apply a vacuum through the check joints on the high and low pressure sides CJ1 and 2 To evacuate air from the indoor units and extension pipes Apply a vacuum through the check joints at the...

Страница 21: ...ge and be come unsuitable for use 2 Notes When using a cylinder with a siphon refrigerant is charged in the liquid state without the need for turning it upside down Check the type of the cylinder on the label before use 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 t...

Страница 22: ...laced 3 Pressure characteristics The pressure in the system using R410A is 1 6 times as great as that in the system using R22 New Refrigerant HFC type Conventional Refriger ant HCFC type R410A R407C R22 R32 R125 R32 R125 R134a R22 Composition wt 50 50 23 25 52 100 Type of Refrigerant Pseudo azeotropic Refrigerant Non azeotropic Refrigerant Single Refrigerant Chloride Not included Not included Incl...

Страница 23: ...nants is defined as moisture air processing oil dust dirt wrong types of refrigerant and refrigerating machine oil Cause Symptoms Effects on the refrigerant cycle Water infiltration Frozen expansion valve and capillary tubes Clogged expansion valve and capillary tubes Poor cooling performance Compressor overheat Motor insulation failure Burnt motor Coppering of the orbiting scroll Lock Burn in on ...

Страница 24: ...Address Settings 19 4 Sample System Connection 26 5 An Example of a System to which an MA Remote Controller is connected 27 6 An Example of a System to which an ME Remote Controller is connected 49 7 An Example of a System to which both MA Remote Controller and ME Remote Controller are connected 53 8 Restrictions on Pipe Length 58 ...

Страница 25: ... 16 ...

Страница 26: ... indoor units that are connected to a given heat source unit exceeds the capacity of the heat source unit the indoor units will not be able to perform at the rated capacity when they are operated simultaneously Select a com bination of units so that the total capacity of the connected indoor units is at or below the capacity of the heat source unit whenever possible Heat source units Composing uni...

Страница 27: ...both MA Remote Controller and ME 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 system has a long transmission line or if a noise source...

Страница 28: ...ce units in the same refrigerant circuit are automatically designated as OC and OS in the order of capacity from large to small if two or more units have the same capacity in the order of address from small to large 3 Turn off the power to all the heat source units in the same refrigerant circuit MA remote controller 1 M NET remote controller 2 Cable type Type VCTF VCTFK CVV CVS VVR VVF VCT Shield...

Страница 29: ... NET re mote con troller Main remote controller RC 101 to 150 Add 100 to the smallest address of all the indoor units in the same group 101 Sub remote controller RC 151 to 200 3 Add 150 to the smallest address of all the indoor units in the same group MA remote controller MA No address settings required The main sub setting must be made if 2 remote controllers are connected to the system Main CITY...

Страница 30: ...esh 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 con troller Powersupplyunit for transmission lines Group operation of units in a sys tem with multiple heat source units Power supply switch connector connection...

Страница 31: ...to 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 operation status before power off power failure OFF ON Type Usage Function Terminal to be used 1 1 For detailed drawing refer to Example of wiring connection Option Input Prohibiting cooling heating operation thermo OFF by an...

Страница 32: ...er 1 Heat source unit control board Preparations in the field Maximum cable length is 10m 5 4 3 X Y L1 Heat source unit error display lamp L2 Compressor operation lamp compressor running state X Y Relay coil 0 9W DC12V 1 Optional part PAC SC37SA E or field supply 2 CN3N 2 Optional part PAC SC36NA E or field supply Preparations in the field OFF Cooling ON Heating Normal Y OFF ON X Contact rating vo...

Страница 33: ...d in the table above is an approximate value based on the compressor volume and does not necessarily correspond with the actual capacity 5 Notes on using demand control in combination with the low noise mode To enable the low noise mode it is necessary to short circuit 1 2 pin of CN3D on the heat source unit whose SW4 4 is set to OFF When SW4 4 is set to ON on all heat source units the following o...

Страница 34: ...o 2 CN3D 1 2P Open Short circuit No 1 CN3D 1 2P 1 3P Open Short circuit Open Short circuit Open Open 100 50 88 75 Short circuit 50 0 38 25 Short circuit Open 88 38 75 63 Short circuit 75 25 63 50 12 step demand No 2 CN3D 1 2P Open 1 3P Open Short circuit No 3 CN3D 1 2P Open Short circuit Open Short circuit No 1 CN3D 1 2P 1 3P Open Short circuit Open Short circuit Open Short circuit Open Short circ...

Страница 35: ...ouping of units in a system with multiple heat source units NO Manual address setup 4 System with one heat source unit With connection to transmission line for centralized control Manual address setup 5 System with one heat source unit With connection to indoor heat source transmission line Manual address setup 6 System with one heat source unit With connection to transmission line for centralized...

Страница 36: ... units in the same system refer to the next section 5 2 An example of a system with one heat source unit to which 2 or more LOSSNAY units are connected page 29 3 Maximum allowable length 1 Indoor heat source transmission line Maximum distance 1 25mm2 AWG16 or larger L1 L2 L3 L4 200m 656ft L1 L2 L11 L12 L13 200m 656ft 2 Transmission line for centralized control No connection is required 3 MA remote...

Страница 37: ...k TB15 on all indoor units IC in the same group and then connect terminals 1 and 2 on the terminal block TB15 on the in door unit on one end to the terminal block on the MA re mote controller Non polarized two wire When performing a group operation of indoor units that have different functions Automatic indoor heat source address setup is not available 4 LOSSNAY connection Connect terminals M1 and...

Страница 38: ...oor units of the 72 model or above is connected are con nected 3 Maximum allowable length 1 Indoor heat source transmission line Same as 5 1 2 Transmission line for centralized control No connection is required 3 MA remote controller wiring Same as 5 1 L2 TB3 51 52 TB7 S TB3 TB7 S IC TB5 S TB15 1 2 01 IC TB5 S TB15 1 2 02 A B MA A B MA LC TB5 S 05 IC TB5 S 1 2 TB15 IC TB5 S TB15 1 2 04 03 LC TB5 S...

Страница 39: ...roce dures Unit or controller Address setting range Setting method Notes Factory setting 1 Indoor unit Main unit IC 01 to 50 Assign the smallest ad dress to the main unit in the group To perform a group opera tion of indoor units that have different functions designate the indoor unit in the group with the great est number of functions as the main unit 00 Sub unit Assign sequential numbers startin...

Страница 40: ... AWG16 or larger L11 L12 200m 656ft L21 L22 200m 656ft 2 Transmission line for centralized control L31 L21 200m 656ft 3 MA remote controller wiring Same as 5 1 4 Maximum line distance via heat source unit 1 25mm2 AWG16 or larger L12 L31 L22 500m 1640ft L11 L31 L21 500m 1640ft IC TB5 S TB15 1 2 01 IC TB5 S TB15 1 2 03 A B MA A B MA LC TB5 S 07 IC TB5 S 1 2 TB15 IC TB5 S TB15 1 2 1 2 04 02 IC TB5 TB...

Страница 41: ...ected to the sys tem Same as 5 1 Group operation of indoor units Same as 5 2 4 LOSSNAY connection Same as 5 2 5 Switch setting Address setting is required as follows 5 Address setting method The heat source units in the same refrigerant circuit are automatically designated as OC OS1 and OS2 Proce dures Unit or controller Address setting range Setting method Notes Factory setting 1 Indoor unit Main...

Страница 42: ...urce transmission line Same as 5 3 2 Transmission line for centralized control L31 L32 L21 200m 656ft 3 MA remote controller wiring Same as 5 1 4 Maximum line distance via heat source unit 1 25mm2 AWG16 or larger L32 L31 L12 L11 500m 1640ft L32 L22 L21 500m 1640ft L12 L11 L31 L22 L21 500m 1640ft IC TB5 S TB15 1 2 01 IC TB5 S TB15 1 2 02 A B MA A B MA LC TB5 S 07 IC TB5 S 1 2 TB15 IC TB5 S TB15 1 2...

Страница 43: ...ck for indoor heat source transmission line TB5 on LOSSNAY LC Non polarized 2 core ca ble Indoor units must be interlocked with the LOSSNAY unit using the system controller Refer to the operation man ual for the system controller for the setting method In terlock setting from the remote controller is required if the ON OFF remote controller alone or the LM adapter alone is connected 5 Switch setti...

Страница 44: ...smission line 3 Maximum allowable length 1 Indoor heat source transmission line Maximum distance 1 25mm2 AWG16 or larger L11 L12 200m 656ft L21 L22 200m 656ft L25 200m 656ft 2 Transmission line for centralized control L31 L21 200m 656ft 3 MA remote controller wiring Same as 5 1 4 Maximum line distance via heat source unit 1 25mm2 AWG16 or larger L25 L31 L12 L11 500m 1640ft L12 L11 L31 L22 L21 500m...

Страница 45: ...connected to the sys tem Same as 5 1 Group operation of indoor units Same as 5 1 4 LOSSNAY connection Connect terminals M1 and M2 on the terminal block TB5 on the indoor units IC to the appropriate termi nals on the terminal block for indoor heat source trans mission line TB5 on LOSSNAY LC Non polarized two wire Indoor units must be interlocked with the LOSSNAY unit using the system controller Ref...

Страница 46: ...its in the same system refer to the next section 5 7 An example of a system with one heat source unit to which 2 or more LOSSNAY units are connected 3 Maximum allowable length 1 Indoor heat source transmission line Maximum distance 1 25mm2 AWG16 or larger L1 L2 L3 L4 L5 200m 656ft L1 L2 L3 L11 L12 L13 200m 656ft 2 Transmission line for centralized control No connection is required 3 MA remote cont...

Страница 47: ...d then connect terminals 1 and 2 on the terminal block TB15 on the in door unit on one end to the terminal block on the MA re motecontroller Non polarized two wire When performing a group operation of indoor units that have different functions Automatic indoor heat source addresssetup is not available 4 LOSSNAY connection Connect terminals M1 and M2 on the terminal block TB5 on the indoor unit IC ...

Страница 48: ... allowable length 1 Indoor heat source transmission line Same as 5 6 2 Transmission line for centralized control No connection is required 3 MA remote controller wiring Same as 5 6 L3 BC 53 OC 51 TB7 S TB3 TB02 S IC TB5 S TB15 1 2 01 IC TB5 S TB15 1 2 02 A1 B2 MA A1 B2 MA LC TB5 S 05 IC TB5 S 1 2 TB15 IC TB5 S TB15 1 2 04 03 LC TB5 S 06 A1 B2 MA If the BC address overlaps any of the addresses that...

Страница 49: ...f the capacities are the same Proce dures Unit or controller Address setting range Setting method Notes Fac tory set ting 1 Indoor unit Main unit IC 01 to 50 Assign the smallest address to the main unit in the group In a system with a sub BC controller make the settings for the indoor units in the following order i Indoor unit to be connected to the main BC controller ii Indoor unit to be connecte...

Страница 50: ...em two additional indoor units can be connected 3 Maximum allowable length 1 Indoor heat source transmission line Maximum distance 1 25mm2 AWG16 or larger L11 L12 200m 656ft L21 L22 200m 656ft 2 Transmission line for centralized control L31 L21 200m 656ft 3 MA remote controller wiring Same as 5 6 4 Maximum line distance via heat source unit 1 25mm2 AWG16 or larger L12 L31 L22 500m 1640ft L11 L31 L...

Страница 51: ...Main unit IC 01 to 50 Assign the smallest address to the main unit in the group In a system with a sub BC controller make the settings for the indoor units in the following order i Indoor unit to be connected 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 t...

Страница 52: ...d control leave the power jumper connec tor on CN41 as it is factory setting 3 Maximum allowable length 1 Indoor heat source transmission line Same as 5 8 2 Transmission line for centralized control Maximum line distance via heat source unit 1 25 mm2 AWG16 min L31 L32 L21 200m 656ft 3 MA remote controller wiring Same as 5 6 4 Maximum line distance via heat source unit 1 25mm2 AWG16 or larger L32 L...

Страница 53: ...rant circuit are automatically designated as OC and OS They are designated as OC and OS in the descending order of capacity ascending order of address if the capacities are the same Proce dures Unit or controller Ad dress setting range Setting method Notes Fac tory set ting 1 Indoor unit Main unit IC 01 to 50 Assign the smallest address to the main unit in the group In a system with a sub BC contr...

Страница 54: ...uired by the system with three BC controllers For each BC con troller that is subtracted from the above mentioned system two ad ditional indoor units can be connected 3 Maximum allowable length 1 Indoor heat source transmission line Maximum distance 1 25mm2 AWG16 or larger L11 L12 200m 656ft L21 L22 200m 656ft L25 200m 656ft 2 Transmission line for centralized control L31 L21 200m 656ft 3 MA remot...

Страница 55: ...he setting method Interlock setting from the remote controller is required if the ON OFF remote controller alone is con nected 5 Switch setting Address setting is required as follows 5 Address setting method The heat source units in the same refrigerant circuit are automatically designated as OC and OS They are designated as OC and OS in the descending order of capacity ascending order of address ...

Страница 56: ...or centralized control L31 L32 L21 200m 656ft 3 MA remote controller wiring Maximum overall line length 0 3 to 1 25mm2 AWG22 to 16 m1 200m 656ft m2 m3 200m 656ft 4 Maximum line distance via heat source unit 1 25mm2 AWG16 or larger L32 L31 L12 L11 500m 1640ft L32 L22 L21 500m 1640ft L12 L11 L31 L22 L21 500m 1640ft L11 L21 OC TB3 TB7 S 51 L31 A B S L32 OS1 TB3 TB7 M1M2 S 52 OC TB3 TB7 S 54 OS1 TB3 T...

Страница 57: ...lone or the LM adapter alone is connected 5 Switch setting Address setting is required as follows 5 Address setting method The heat source units in the same refrigerant circuit are automatically designated as OC and OS They are designated as OC and OS in the descending order of capacity ascending order of address if the capacities are the same Pro ce du res Unit or controller Ad dress setting rang...

Страница 58: ...16 m1 10m 32ft m2 m3 10m 32ft If the standard supplied cable must be extended use a cable with a diameter of 1 25mm2 AWG16 The section of the cable that exceeds 10m 32ft must be included in the maximum indoor heat source transmission line dis tance described in 1 When connected to the terminal block on the Simple re mote controller use cables that meet the following cable size specifications 0 75 ...

Страница 59: ...mallest ad dress to the main unit in the group To perform a group operation of indoor units that have differ ent functions desig nate the indoor unit in the group with the greatest number of functions as the main unit 00 Sub unit Assign sequential num bers starting with the ad dress of the main unit in the same group 1 Main unit address 1 main unit address 2 main unit address 3 etc 2 LOSSNAY LC 01...

Страница 60: ...imum overall line length 0 3 to 1 25mm2 AWG22 to 16 m1 10m 32ft m2 m3 10m 32ft If the standard supplied cable must be extended use a cable with a diameter of 1 25mm2 AWG16 The section of the cable that exceeds 10m 32ft must be included in the maximum indoor heat source transmission line dis tance described in 1 When connected to the terminal block on the Simple re mote controller use cables that m...

Страница 61: ...i is true Port number setting is required To perform a group op eration of indoor units that have different func tions set the indoor unit in the group with the greatest number of functions as the main unit 00 Sub unit Assign sequential numbers starting with the address of the main unit in the same group 1 Main unit address 1 main unit address 2 main unit address 3 etc 2 LOSSNAY LC 01 to 50 Assign...

Страница 62: ...re connected 11 When a power supply unit is connected to the transmis sion line for centralized control leave the power jumper connector on CN41 as it is factory setting 3 Maximum allowable length 1 Indoor heat source transmission line Same as 5 3 2 Transmission line for centralized control Same as 5 4 3 MA remote controller wiring Same as 5 1 4 ME remote controller wiring Same as 5 1 5 Maximum li...

Страница 63: ... 1 Main unit address 1 main unit address 2 main unit ad dress 3 etc MA re mote con troller Main re mote con troller MA No settings required Main Sub remote controller MA Sub remote controller Settings to be made ac cording to the remote controller function selec tion 2 Opera tion withthe ME re mote control ler In door unit Main unit IC 01 to 50 Assign the smallest ad dress to the main unit in the ...

Страница 64: ...ystem two additional indoor units can be connected 10 When a power supply unit is connected to the transmis sion line for centralized control leave the power jumper connector on CN41 as it is factory setting 3 Maximum allowable length 1 Indoor heat source transmission line Same as 5 8 2 Transmission line for centralized control Same as 5 9 3 MA remote controller wiring Same as 5 6 4 ME remote cont...

Страница 65: ... 5 9 Shielded cable connection Same as 5 9 3 MA remote controller wiring When 2 remote controllers are connected to the sys tem Group operation of indoor units Same as 5 6 4 ME remote controller wiring When 2 remote controllers are connected to the sys tem Group operation of indoor units Same as 6 1 5 LOSSNAY connection Same as 5 9 6 Switch setting Address setting is required as follows ...

Страница 66: ...gher than those of the indoor units that are connected to the MA remote controller Make the initial settings for the indoor unit group settings via the system con troller To perform a group operation of indoor units that have different functions des ignate the indoor unit in the group with the greatest number of functions as the main unit Port number setting is required Addresses that are assigned...

Страница 67: ...ength 190 623 or less Total pipe length from the first branch to the far thest indoor unit B C c or D 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 B e h f 6 1 a c b 3 2 5 A D C d 4 H H Branch joint Indoor Indoor Indoor Indoor Indo...

Страница 68: ...door Indoor Indoor Indoor Indoor Indoor E L H a h1 h2 b 2 1 c 3 d 4 e 5 f 6 g 7 i 8 C E F G I J K M B D A First branch Note To downstream units Note Total sum of downstream unit model numbers in the table is the sum of the model numbers of the units after point E in the figure Note1 Install the pipe that connects the branch pipe and the heat source units in the way that it has a downward inclinati...

Страница 69: ...9 52 3 8 2 2 Use ø12 7 1 2 pipes if the piping length exceeds 40 m 131 ft ø22 2 7 8 P144 model ø12 7 1 2 ø28 58 1 1 8 P168 240 model ø15 88 5 8 ø28 58 1 1 8 P264 312models ø19 05 3 4 ø34 93 1 3 8 P336 360 models ø19 05 3 4 ø41 28 1 5 8 Indoor unit model Pipe diameter mm inch 06 15 models Liquid pipe ø6 35 1 4 Gas pipe ø12 7 1 2 18 54 models Liquid pipe ø9 52 3 8 Gas pipe ø15 88 5 8 72 model Liquid...

Страница 70: ...urce units Heat source unit model Composing unit models Liquid pipe mm inch Gas pipe mm inch P144 P72 ø9 52 3 8 ø19 05 3 4 P72 P168 P96 ø9 52 3 8 ø22 2 7 8 P72 P192 P96 P96 P216 P120 ø12 7 1 2 ø22 2 7 8 P96 P240 P120 P120 P264 P96 ø12 7 1 2 ø22 2 7 8 P96 P72 P288 P96 P96 P96 P312 P120 P96 P96 P336 P120 P120 P96 P360 P120 P120 P120 ...

Страница 71: ...unit exceeds 40m 131ft observe the restrictions in the figure titled Restrictions on pipe length below except the P96 model 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 unit and BC controller h1 15 49 10 32 or less 2 2 When the capacity of the connected indoor units is P...

Страница 72: ... 0 10 20 30 40 50 60 70 0 5 10 15 Pipe length between main BC controller and farthest indoor unit m ft Height difference between main BC controller and farthest indoor unit m ft The height difference and the pipe length between BC controller and indoor units Restrictions on pipe length PQRY P72 P96 P120THMU A YHMU A 1000 900 800 700 600 500 400 300 200 10 20 30 40 50 60 70 80 90 100 110 Aggregate ...

Страница 73: ...s in the figure titled Restrictions on pipe length below except the P96 model Height differ ence 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 unit and BC controller h1 15 49 10 32 or less 2 2 When the capacity of the connected indoor units is P72 or above use the figures in the parenthese...

Страница 74: ...he CMB P NU GB types of sub BC controllers is P126 or below when two GB type controllers are connected P126 or below for both combined The maximum total capacity of indoor units that is connectable to the sub BC controller CMB P1016NU HB is P126 or below If at least one CMB P1016NU HB unit is connected the maximum total capacity of connectable indoor units to a system with two sub controllers is P...

Страница 75: ...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 unit and BC controller h1 15 49 10 32 or less 2 2 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 10 32 or less 2 Between the BC controller main or sub and the sub BC contr...

Страница 76: ... P NU GB types of sub BC controllers is P126 or below when two GB type controllers are connected P126 or below for both combined The maximum total capacity of indoor units that is connectable to the sub BC controller CMB P1016NU HB is P126 or below If at least one CMB P1016NU HB unit is connected the maximum total capacity of connectable indoor units to a system with two sub controllers is P168 or...

Страница 77: ...sure pipe Low pressure pipe High pressure pipe P72 ø19 05 3 4 ø15 88 5 8 ø19 05 3 4 ø15 88 5 8 P96 ø22 2 7 8 ø19 05 3 4 ø22 2 7 8 ø19 05 3 4 P120 P144 ø28 58 1 1 8 ø22 2 7 8 ø28 58 1 1 8 ø22 2 7 8 P168 P192 P216 ø28 58 1 1 8 ø28 58 1 1 8 P240 Unit mm inch Indoor unit Refrigerant pipe size Indoor unit connection Flare connection for all models Liquid pipe Gas pipe Liquid pipe Gas pipe P06 P08 P12 P...

Страница 78: ...7 8 Brazed connection Indoor unit side ø9 52 3 8 Flare connection ø15 88 5 8 Flare connection Indoor Indoor Indoor Indoor Indoor Indoor BC controller Maximum of 3 units per port Total capacity of P54 or below All units connected to the same port must be in the same operating mode Branch joint Model name CMY Y102S G2 Optional accessory 2 Junction pipe kit Model name CMY R160 J Optional accessory P1...

Страница 79: ...y Refrigerant pipe selection size of the pipes in sections A and B in the figure above Select the proper size pipes based on the total capacity of the downstream indoor units using the table below as a reference Unit mm inch Total capacity of indoor units Liquid pipe Gas pipe P54 or below ø9 52 3 8 ø15 88 5 8 P55 P72 ø9 52 3 8 ø19 05 3 4 P73 P96 ø9 52 3 8 ø22 2 7 8 Liquid pipe side 6 35 1 4 ID Gas...

Страница 80: ...low as a reference Unit mm inch Total capacity of indoor units Liquid pipe Gas pipe P54 or below ø9 52 3 8 ø15 88 5 8 P55 P72 ø9 52 3 8 ø19 05 3 4 P73 P96 ø9 52 3 8 ø22 2 7 8 Unit mm inch Model Pipe sections High pressure side Liquid Low pressure side Gas Heat source unit side PQRY P72THMU A YHMU A ø15 88 5 8 Brazed connection ø19 05 3 4 Brazed connection PQRY P96THMU A YHMU A ø19 05 3 4 Brazed co...

Страница 81: ...ected to both sub BC controllers Select the proper size pipes for the sub controller side based on the total capacity of the indoor units that are connected to the sub controller Unit mm inch Total capacity of indoor units Liquid pipe Gas pipe P54 or below ø9 52 3 8 ø15 88 5 8 P55 P72 ø9 52 3 8 ø19 05 3 4 P73 P96 ø9 52 3 8 ø22 2 7 8 Unit mm inch Operation Pipe sections High pressure side liquid Lo...

Страница 82: ...ponents 1 Heat source Unit Components and Refrigerant Circuit 75 2 Control Box of the Heat source Unit 78 3 Heat source Unit Circuit Board 81 4 BC Controller Components 88 5 Control Box of the BC Controller 91 6 BC Controller Circuit Board 92 ...

Страница 83: ... 74 ...

Страница 84: ...GB III Heat source Unit Components 1 Heat source Unit Components and Refrigerant Circuit 1 Front view of a heat source unit 1 PQHY P72 96 120THMU A PQRY P72 96 120THMU A PQHY P72 96 120YHMU A PQRY P72 96 120YHMU A Control box Top panel Front panel ...

Страница 85: ...or O S Check joint high pressure CJ1 Check joint low pressure CJ2 Refrigerant service valve low pressure BV1 Refrigerant service valve high pressure BV2 Solenoid valve block SV4a SV4b SV4d Water heat exchanger Check valve CV11 Check valve CV6a Check valve CV4a Solenoid valve SV7b Transformer Box YHMU only Check valve CV3a Component cooler heat exchanger Solenoid valve SV1a Check valve CV8 Solenoid...

Страница 86: ...OMP Oil separator O S Check joint high pressure CJ1 Check joint low pressure CJ2 Refrigerant service valve low pressure BV1 Refrigerant service valve high pressure BV2 Solenoid valve block SV4a SV4b SV4d Water heat exchanger Check valve CV6a Check valve CV4a Solenoid valve SV7b Component cooler heat exchanger Solenoid valve SV1 Check valve CV8 Solenoid valve SV7a Solenoid valve SV9 Low pressure se...

Страница 87: ...rol box and may result in damage to its internal components 2 Faston terminals have a locking function Make sure the cable heads are securely locked in place Press the tab on the ter minals to remove them DC reactor DCL Electromagnetic relay 72C Relay board Control board Inrush current resistor Note2 Note2 Noise filter Power supply terminal block TB1 Ground terminal Smoothing capacitor C1 INV boar...

Страница 88: ...en opening or closing the front panel of the control box do not let it come into contact with any of the internal components Before inspecting the inside of the control box turn off the power keep the unit off for at least 10 minutes and confirm that the voltage between FT P and FT N on INV Board has dropped to DC20V or less It takes about 10 minutes to discharge electricity after the power supply...

Страница 89: ... III Heat source Unit Components 80 HWE09080 GB 1 Transformer Box 1 PQHY P72 96 120YHMU A PQRY P72 96 120YHMU A Transformer T03 Transformer T02 ...

Страница 90: ...put 12VDC GND Output 5VDC Power supply detection input Power supply ON OFF signal output CNS2 Transmission line input output for centralized control system 30VDC CN41 Power supply for centralized control OFF CN40 Power supply for centralized control ON CN102 Indoor heat source transmission line input output 30VDC Power supply input for centralized control system 30VDC External signal input contact...

Страница 91: ...put 5VDC Power supply detection output Power supply ON OFF signal input LED1 Power supply for indoor transmission line TP1 2 Check pins for indoor heat source transmission line TB7 Terminal block for transmission line for centralized control TB3 Indoor heat source transmission block Ground terminal for transmission line Grounding Grounding CN04 Bus voltage input YHMU only Bus voltage output THMU o...

Страница 92: ...ng CN5V GND Output 5VDC LED1 Lit Inverter in normal operation Blink Inverter error CN4 GND Control board Serial communication signal output CNDC Bus voltage output P N CN2 Serial communication signal output GND Input 17VDC SC V Inverter output V SC W Inverter output W CT22 Current sensor W SC U Inverter output U CT12 Current sensor U SC R Input L1 SC S Input L2 SC T Input L3 CT3 Current sensor L3 ...

Страница 93: ...ar Bus voltage check terminal P Note Bus voltage check terminal N Note 1 SC P2 Bus voltage Input P SC P1 Rectifier diode output P LED1 Lit Inverter in normal operation Blink Inverter error CN6 Open No load operation setting Short circuited Normal setting CN5V GND 5VDC output RSH1 Overcurrent detection resistor CN4 GND Control board Serial communication signal output CN2 Serial communication signal...

Страница 94: ...y driving signal input X22 Relay driving signal input X23 Relay driving signal input X24 Relay driving signal input X25 CNAC4 L1 input L2 CN83 Pump interlock signal output Pump interlock signal output Pump interlock signal input Pump interlock signal input CNPW Pump interlock signal output Pump interlock signal output ...

Страница 95: ...nts 86 HWE09080 GB 5 Noise Filter 1 PQHY P72 96 120THMU A PQRY P72 96 120THMU A Grounding TB21 Input output L1 CN02 Output L1 L2 TB22 Input output L2 TB23 Input output L3 CN01 Input L3 L2 L1 F1 Fuse 250VAC 6 3A F2 Fuse 250VAC 6 3A ...

Страница 96: ...t Rectified L2 L3 current P N CN5 Output Rectified L2 L3 current P N TB21 Input output L1 TB22 Input output L2 TB23 Input output L3 CN1B Input L3 L2 CN1A Input L1 Grounding F1 F2 F3 F4 Fuse 250VAC 6 3A CN6 Input L2 L3 Grounding CN2 Surge absorber circuit Surge absorber circuit Short circuit Short circuit ...

Страница 97: ...s 88 HWE09080 GB 4 BC Controller Components 1 CMB P NU G GA 1 Front 2 Rear view G type Liquid pipe Indoor unit side Gas pipe Indoor unit side TH12 TH15 TH16 TH11 SVM1 LEV1 LEV3 PS1 PS3 Tube in tube heat exchanger Gas Liquid separator ...

Страница 98: ... III Heat source Unit Components 89 HWE09080 GB 3 Rear view GA type TH12 TH15 TH16 TH11 SVM2 SVM1 LEV1 LEV3 LEV2 PS1 PS3 Tube in tube heat exchanger Gas Liquid separator ...

Страница 99: ... III Heat source Unit Components 90 HWE09080 GB 2 CMB P NU GB HB 1 Front 2 Rear view Liquid pipe Indoor unit side Gas pipe Indoor unit side TH15 TH12 LEV3 ...

Страница 100: ...eat source Unit Components 91 HWE09080 GB 5 Control Box of the BC Controller 1 CMB P1016NU G GA Relay board Transformer Terminal block for transmission line BC controller board Terminal block for power supply ...

Страница 101: ... III Heat source Unit Components 92 HWE09080 GB 6 BC Controller Circuit Board 1 BC controller circuit board BC board SW1 SW2 SW5 SW6 SW4 ...

Страница 102: ... III Heat source Unit Components 93 HWE09080 GB 2 RELAY BOARD RELAY 4 board 3 RELAY BOARD RELAY 10 board ...

Страница 103: ... 94 III Heat source Unit Components GB HWE09080 ...

Страница 104: ... and Specifications of MA and ME Remote Controllers 97 2 Group Settings and Interlock Settings via the ME Remote Controller 98 3 Interlock Settings via the MA Remote Controller 102 4 Using the built in Temperature Sensor on the Remote Controller 103 ...

Страница 105: ... 96 ...

Страница 106: ...r units using non polar ized 2 core cables Non polarized 2 core cable Remote controller connection Connectable to any indoor unit in the group Connectable anywhere on the indoor 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 107: ...mpletion 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 next page To search for an address go to section 2 Address Search Bring up the Interlock Sett...

Страница 108: ...NAY 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 pre...

Страница 109: ...temperature range setting on the simultaneous cooling heating type units that supports the automatic operation mode to save on energy consumption enable the Skip Auto Mode setting to make the automatic operation mode unselectable If the automatic operation mode is selected the energy saving function may not work properly When connected to the air conditioning units that do not support the automati...

Страница 110: ...atic operation cannot be performed The automatic operation mode is skipped in the function selection mode sequence The left figure shows the display that appears when the current temperature range setting is between 19 C and 30 C in the Cool Dry mode and the lower limit temperature is selected to be set 2 Temperature range setting for heating 4 Switch between the Lower and Upper limit temperature ...

Страница 111: ...cked LOSSNAY unit Registration completed The registered indoor unit address and IC and the interlocked LOSSNAY address and LC will appear alternately Registration error If the registration fails the indoor unit address and the LOSSNAY address will be displayed alternately Registration cannot be completed The selected unit address does not have a corresponding indoor unit or a LOSSNAY unit Registra...

Страница 112: ...o search for the address of the LOSSNAY unit that is interlocked with the selected indoor unit Search completed With a LOSSNAY connection The indoor unit address and IC and the interlocked LOSSNAY address and LC will appear alternately Take the following steps to delete the interlock setting between a LOSSNAY unit and the interlocked indoor unit from the remote controller that is connected to the ...

Страница 113: ... 104 IV Remote Controller GB HWE09080 ...

Страница 114: ... HWE09080 GB V Electrical Wiring Diagram 1 Electrical Wiring Diagram of the Heat source Unit 107 2 Electrical Wiring Diagram of the BC Controller 111 3 Electrical Wiring Diagram of Transmission Booster 120 ...

Страница 115: ... 106 ...

Страница 116: ...e terminals to remove them 6 Refer to the Data book for wiring terminal block for Pump Interlock and Operation ON signal 7 Control box houses high voltage parts Before inspecting the inside of the control box turn off the power keep the unit off for at least 10 minutes and confirm that the voltage at both ends of the main capacitor C1 has dropped to DC20V or less SV1a 72C CN504 green 3 1 CH11 A2 A...

Страница 117: ...X02 CN502 CN02 Motor Compressor TB21 F2 AC250V 6 3A T IGBT temperature Water inlet temperature ACC inlet pipe temperature Discharge pipe temperature Operation ON signal Pump Interlock Thermistor Z24 25 5 3 1 2 1 CNT01 CNDC pink CN83 7 5 3 CPU power supply circuit 1 F01 AC250V 3 15A T CN03 black 1 3 2 1 3 M NET power supply circuit 1 2 M NET Board 4 7 1 TH4 t 3 2 1 Indoor Outdoor transmission cable...

Страница 118: ... yellow 1 2 F1 F2 F3 AC250V 6 3A T 2 1 OFF SW4 10 CNT02 1 CN3D 4 3 2 1 2 1 CPU power supply circuit CNAC red 2 1 F01 AC250V 3 15A T 1 t CN507 red ON OFF 10 SWU1 white CN213 red SC L2 3 Z24 7 4 3 2 1 2 1 1 CN83 3 1 3 1 CNTYP5 green 21S4a U X02 X03 5 1 7 CN4 CN6 IGBT 4 SC P1 FT P black C30 red Diode Bridge CT3 72C C1 CN2 R1 black TB22 3 RSH1 CN102 3 R6 C17 1 1 63LS ZNR1 U L Noise Filter X08 3 1 CN6 ...

Страница 119: ...V 1 CN4 blue red 1 1 t L3 black 4 1 3 6 yellow CN3K 3 3 C3 TB21 C1 R3 CN1A 5 U CN2 blue CN3N 5 6 C7 U 4 4 R1 TB1 CN1B 3 TB7 Power selecting connector CN102 3 2 1 2 1 U TP1 6 L3 DCL 5 black 72C white red 3 2 1 ON OFF 1 M NET power supply circuit 1 2 3 C6 M NET Board 1 2 1 Power failure detection circuit 1 CNAC2 black CN502 5 Indoor Outdoor transmission cable INV Board red 3 CNT01 TB23 L2 L1 1 ON 1 ...

Страница 120: ... 6 5 4 3 2 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...

Страница 121: ...4 3 2 1 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 ...

Страница 122: ... 1 4 3 2 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...

Страница 123: ...4 1 2 3 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 ...

Страница 124: ...V6C 1 2 3 4 1 2 3 4 3 3 2 1 2 1 16 15 14 7 6 5 13 12 11 10 9 8 16 15 14 7 6 5 10 9 8 13 12 11 4 4 4 4 3 3 3 3 2 2 2 2 1 1 1 1 SV5C SV5A SV5B SV4B SV4A SV4C SV3B SV3A SV3C SV2B SV2A SV2C 2 3 4 1 2 3 4 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 ...

Страница 125: ... 3 1 7 5 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 ...

Страница 126: ...3 4 8 7 6 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 ...

Страница 127: ...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 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 va...

Страница 128: ...10 15 14 13 1 2 3 4 4 3 2 1 4 3 2 1 1 2 3 4 4 3 2 1 1 2 3 4 4 3 2 1 1 2 3 4 1 2 3 8 7 6 5 4 3 2 1 4 CNOUT2 CNOUT4 1 2 3 4 4 3 2 1 4 3 2 1 1 2 3 4 1 2 3 4 4 3 2 1 1 2 3 4 4 3 2 1 1 2 3 4 4 3 2 1 1 2 3 4 4 3 2 1 TO NEXT INDOOR UNIT PULL BOX FUSE 15A BREAKER 15A POWER SUPPLY 208V 230V 3 3 2 1 2 1 1 1 5 6 7 8 9 10 11 12 13 14 15 16 3 2 4 8 9 10 11 12 13 3 2 4 5 6 7 14 15 16 S SHIELD TB02 Indoor outdoo...

Страница 129: ...ite White Blue Red Red DSA White White Blue Red Red Red Red Varistor Varistor Noise filter Stabilized power supply 4 3 2 1 1 2 3 CN2 CN1 Black Black Black Black Green Yellow 1 2 3 E 4 Choke coil 1 2 CN3 1 2 1 2 CN4 CN2 1 2 CN1 Electronic control board Black White Red Red Black S B A S B A Terminal block 2 for transmission line TB3 Expanded indoor unit side Terminal block 1 for transmission line TB...

Страница 130: ... 121 HWE09080 GB VI Refrigerant Circuit 1 Refrigerant Circuit Diagram 123 2 Principal Parts and Functions 126 ...

Страница 131: ... 122 ...

Страница 132: ...CV8 CV1 CV6a TH8 TH7 SV7b SV7a CV4a CV3a CV7a BV2 SV4a SV4b SV4d Solenoid valve block THINV Component cooler heat exchanger LEVINV ST13 Water circuit SV9 63LS ST2 LEV1 HIC TH2 TH6 LEV2a LEV2b BV1 ST1 63HS1 O S TH4 TH5 CJ2 SV1a CP1 CJ1 21S4a ST3 Acc ST17 63H1 Comp ST1 63LS CV8 CV6a TH8 TH7 SV7b SV7a SV9 CV4a CV2a CV3a CV7a CV5a BV1 BV2 SV4a SV4b SV4d Solenoid valve block THINV Component cooler heat...

Страница 133: ...P104 P1010NU G 2 CMB P108 P1013 P1016NU GA main TH15 TH12 LEV3 LEV1 TH16 PS3 PS1 TH11 SVM1 Gas Liquid separator Check valve block Solenoid valve block TH15 TH12 LEV3 SVM2 LEV1 LEV2 TH16 PS3 PS1 TH11 SVM1 Gas Liquid separator Check valve block Solenoid valve block ...

Страница 134: ...efrigerant Circuit 125 HWE09080 GB 3 CMB P104 P108NU GB sub 4 CMB P1016NU HB sub TH15 TH12 HIC C CP LEV3 Check valve block Solenoid valve block TH15 TH12 HIC C CP LEV3 Check valve block Solenoid valve block ...

Страница 135: ... pressure pro tection 4 15MPa 601psi OFF setting Thermis tor TH4 Discharge 1 Detects discharge air temper ature 2 Provides high pressure pro tection Degrees Celsius Resistance check 0 C 32 F 698kohm 10 C 50 F 413kohm 20 C 68 F 250kohm 30 C 86 F 160kohm 40 C 104 F 104kohm 50 C 122 F 70kohm 60 C 140 F 48kohm 70 C 158 F 34kohm 80 C 176 F 24kohm 90 C 194 F 17 5kohm 100 C 212 F 13 0kohm 110 C 230 F 9 8...

Страница 136: ...es the LEV that controls refrigerant flow on the component cooler THHS Inverter heat sink tem perature Controls inverter cooling fan based on THHS temperature Degrees Celsius 0 C 32 F 161kohm 10 C 50 F 97kohm 20 C 68 F 60kohm 25 C 77 F 48kohm 30 C 86 F 39kohm 40 C 104 F 25kohm THBOX Control box in ternal tempera ture detection Sole noid valve SV1a Discharge suc tion bypass 1 High low pressure bypa...

Страница 137: ...e amount of bypass flow from the heat source unit liq uid pipe during cooling 12 VDC Stepping motor driven valve opening 0 480 pulses direct driven Same as with the indoor LEV Theresistance values differs from that of the LEVs on in door unit Refer to the section on Troubleshoot ing the LEV page 310 LEV2a LEV2b Refrigerant flow control PQHY only Controls the refrigerant flow dur ing heating 12 VDC...

Страница 138: ... Continuity between yellow brown and blue Thermis tor TH1 Suction air temperature 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 temper ature 1 Indoor unit control Frost prevention Hot adjust 2 LEV control during heat ing operation subcool detection TH3 Gas pipe temperature LEV control ...

Страница 139: ... re frigerant tempera ture LEV control 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...

Страница 140: ...rol 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...

Страница 141: ...et tempera 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 LEV3 Pressure differential control DC12V Opening of a valv...

Страница 142: ...et tempera 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 LEV3 Pressure differential control DC12V Opening of a valv...

Страница 143: ... 134 VI Refrigerant Circuit GB HWE09080 ...

Страница 144: ... 135 HWE09080 GB VII Control 1 Functions and Factory Settings of the Dipswitches 137 2 Controlling the Heat source Unit 143 3 Controlling BC Controller 160 4 Operation Flow Chart 161 ...

Страница 145: ... 136 ...

Страница 146: ...F ON OFF ON OC OS SWU 1 2 Unit address setting Set to 00 or 51 100 with the dial switch Before power on C C SW1 1 10 For self diagnosis operation monitoring Refer to the LED monitor display on the heat source unit board Anytime after power on C C SW2 1 Centralized control switch Without connection to the centralized controller With connection to the centralized con troller Before power on B B 2 De...

Страница 147: ...ormal operation is received Switch Function Function according to switch setting Switch setting timing Units that re quire switch setting Note 2 OFF ON OFF ON OC OS SW3 1 Test run mode en abled disabled SW3 2 disabled SW3 2 enabled Anytime after power on A 2 Test run mode ON OFF Stops all ICs Sends a test run signal to all IC After power on and when SW3 1 is on A 3 CN51 3 5 signal out put switch H...

Страница 148: ...ed with the mating connector Leave the short circuit connector on the mating connector during normal operation to enable error detection and protect the equipment from damage Switch Function Function according to switch setting Switch setting timing Units that re quire switch setting Note 2 OFF ON OFF ON OC OS SW5 1 2 3 4 5 Low noise mode selection Capacity priority mode Note 3 Low noise mode Befo...

Страница 149: ... limit setting for cooling operation Initial vane position Heating 4 C 7 2 F up Automatic LEV value conversion function Indoor unit inlet 100h Disabled Fan output 2500h Enabled Thermo ON signal Built in sensor on the remote controller Available During heating operation According to the SW1 7 setting Heat pump Always on while in the heating mode Fan speed setting for Heating Thermo OFF Very Low Low...

Страница 150: ... The MA remote controller PAR 21MAA does not have the switches listed above Refer to the installation manual for the func tion setting Remote controller Switching switch 1 ON 2 3 4 Switch 2 1 Function Remote controller main sub setting At power on of the remote controller Normal startup Timer mode startup 3 Cooling heating display set by automatic setting Displayed Not displayed 4 Suction temperat...

Страница 151: ...git automatically being set to 1 2 00 200 1 At factory shipment the rotary switch is set to 01 2 The address range that can be set with the ME remote controller is between 101 and 200 When the dials are set to a number between 01 and 99 the 100 s digit is automatically set to 1 When the dials are set to 00 the 100 s digit is automatically set to 2 Switch Function Function according to switch setti...

Страница 152: ...e initial startup Performing startup sequence rotation does not change the basic operation of OC and OS Only startup sequence is changed Startup sequence of the heat source units can be checked with the self diagnosis switch SW1 on the OC 3 Initial Control When the power is turned on the initial processing of the microcomputer is given top priority During the initial processing control processing ...

Страница 153: ...S is 0 2MPa 29psi or less After the operation has stopped ON for 3 minutes Exception OFF when 63HS1 63LS is 0 2MPa 29psi or less During defrost operation ON While the compressor is operating at the minimum frequency and when the low pres sure 63LS drops 3 or more minutes after compressor startup When low pressure 63LS drops below 0 23MPa 33psi When low pressure 63LS ex ceeds 0 38MPa 55psi When hig...

Страница 154: ...very 15 seconds The actuation pressure is when the high pressure reading on 63HS1 is 3 58MPa 519psi 2 Discharge temperature limit Discharge temperature TH4 of the compressor in operation is monitored and when it exceeds the upper limit the frequency is decreased every minute Operating temperature is 115 C 239 F 3 Periodic frequency control Frequency control other than the ones performed at start u...

Страница 155: ... is performed for each BC port during heating operation to prevent the refrigerant from accumulating in side the units that are stopped in the fan mode in the cooling mode or in the heating Thermo OFF mode It is also performed during cooling operation to prevent an excessive amount of refrigerant from accumulating in the heat source heat exchanger Starting criteria for the refrigerant recovery cyc...

Страница 156: ...FF OFF ON 3 ON OFF OFF ON OFF 4 ON OFF OFF OFF OFF 5 ON ON OFF ON ON 6 ON ON OFF OFF ON 7 ON ON OFF ON OFF 8 ON ON OFF OFF OFF Heating 1 ON OFF ON ON ON 2 ON OFF ON OFF ON 3 ON OFF ON ON OFF 4 ON OFF ON OFF OFF 5 ON ON ON ON ON 6 ON ON ON OFF ON 7 ON ON ON ON OFF 8 ON ON ON OFF OFF 9 ON OFF OFF ON ON 10 ON OFF OFF OFF ON 11 ON OFF OFF ON OFF 12 ON ON OFF ON ON 13 ON ON OFF OFF ON 14 ON ON OFF ON O...

Страница 157: ...at source unit heat exchanger capacity control patterns Model Operation mode Operation pattern Solenoid valve SV4a SV4b SV4d SV7a SV7b P72 P120 models Cooling main 1 ON OFF ON ON ON 2 ON OFF ON OFF ON 3 ON OFF ON ON OFF 4 ON OFF ON OFF OFF 5 ON ON ON ON ON 6 ON ON ON OFF ON 7 ON ON ON ON OFF 8 ON ON ON OFF OFF Cooling only Cooling main 9 ON OFF OFF ON ON 10 ON OFF OFF OFF ON 11 ON OFF OFF ON OFF 1...

Страница 158: ...ed after Thermo OFF 65 pulses LEV1 outputs 0 pulse during the defrost cycle and 300 pulses if either of the following formulas are satisfied 63LS 2kgf cm2 or TH4 100ºC 212ºF 12 Refrigerant flow control Linear expansion valve LEV2a LEV2b PQHY only Refrigerant flow is controlled by each unit in the combined models during heating Refrigerant flow control is performed by the OC OS1 and OS2 individuall...

Страница 159: ...nutes The compressor on the OC starts up Both the OC and OS stop The startup sequence of the OC and OS is rotated 50 F 60Hz OS or F 50Hz OS Completed in the integrated operation time of 35 minutes Completed in the integrated operation time of 90 minutes The compressor on the OS starts up 2 3 2 The air conditioning load is too small for both the OC and the OS to simultaneously stay in operation 3 T...

Страница 160: ... OC OS1 and OS2 is changed The OC OS1 and OS2 stop The startup sequence of the OC OS1 and OS2 is rotated The startup sequence of the OC OS1 and OS2 is changed The OC OS1 and OS2 stop The startup sequence of the OC OS1 and OS2 is rotated The startup sequence of the OC OS1 and OS2 is changed 50 F 60Hz OS1 or F 50Hz OS1 Completed in the integrated operation time of 35 minutes Completed in the integra...

Страница 161: ...ion Overcurrent relay trip Heatsink temperature sensor failure THHS Current sensor circuit failure Subcool heat exchanger bypass outlet temperature sensor failure Pipe temperature sensor failure Discharge temperature sensor failure Accumulator inlet temperature sensor failure Subcool heat exchanger liquid outlet sensor failure Outside air temperature sensor failure Open phase Power supply sync sig...

Страница 162: ...re occurs or when some of the heat source units are turned off 1 Starting the emergency operation When the OC is in trouble 1 When an error occurs the error source and the error code appear on the display on the remote controller 2 Reset the error via the remote controller to start an emergency operation Precautions before servicing the unit When the OC is in trouble the OS temporarily takes over ...

Страница 163: ...ilure pattern Trouble Trouble Trouble Normal Normal Normal Normal Normal Normal Cooling Heating Normal Normal Normal Trouble Trouble Trouble Trouble Trouble Trouble OS1 failure pattern OS2 failure pattern OC OS1 failure pattern OS1 OS2 Emergency operation Maximum total capacity of indoor units Note 1 Capacity that matches the total capacity of the operable heat source units Note 1 If an attempt is...

Страница 164: ...rocessing Autonomous distributed control system F2 VPM control Rotation speed control of compressor or fan depending on the refrigerant pressure value and the changing speed Self contained capacity control depending on the load Refrigerant distribution control depending on the operation mode Heat source unit Daisy chained non polar 2 wire transmission line Indoor unit BC controller Autonomous dist...

Страница 165: ...Heating Heating Heating Low pressure pipe High pressure pipe High pressure gas High pressure gas High pressure gas High pressure two phase Low pressure gas Low pressure gas Low pressure gas Low pressure gas Low pressure gas Gas liquid separator 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 ...

Страница 166: ...oling 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 Stopped mode 1 Cooling mode All indoor units in operation are in cooli...

Страница 167: ...ng mode 3 Dry mode 4 Automatic cooling heating mode 5 Fan mode 6 Stopping mode 1 Cooling only mode All indoor units in operation are in cooling mode 2 Heating only mode All indoor units in operation are in heating mode 3 Cooling main mode Coexistence of units in cooling and heating modes 4 Heating main mode Coexistence of units in cooling and heating modes 5 Stopping mode All indoor units are in f...

Страница 168: ... set to ON the 4 step DEMAND control is enabled Eight step demand control is possible in the system with two heat source units Twelve step demand control is possible in the system with three heat source units Refer to Chapter II 3 2 7 Various types of control using input output signal connector on the heat source unit various con nection options for details page 22 ...

Страница 169: ...trol 2 1 Liquid level control The liquid level detected by the liquid inlet temperature TH11 sensor is controlled so as to be within a certain range 2 Pressure differential control The detected differential pressure PS1 and PS3 is controlle every minute so as to be within a certain range 110 110 3 3 Can be 110 or more due to pressure rise on the liquid side PS1 1200 LEV2 only GA type LEV3 Superhea...

Страница 170: ...rror 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 ...

Страница 171: ...s according to the operation mode 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 ...

Страница 172: ...un 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 control LEV2a LEV2b fully opened 3 Solenoid valve control 4 72C 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 LEV2a LEV2b rated opening 3 All solenoid val...

Страница 173: ...ol 2 Inverter frequency control 3 Indoor unit LEV LEV1 LEV2a LEV2b control 4 Solenoid valve control 5 72C 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 LEV2a LEV2b rated opening 4 All solenoid valves OFF 5 Heat source unit fan stop 6 72C OFF Unit in the stopped state ...

Страница 174: ... 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 compressor ...

Страница 175: ... 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 mode on ...

Страница 176: ...the indoor unit address for the remote controller address and for the group information will start During this HO PLEASE WAIT blinks on the display of the remote controller When the indoor unit to be controlled by the remote controller is missing HO PLEASE WAIT keeps blinking on the display of the remote controller even after 3 or more minutes after power on Note 3 The units will follow the operat...

Страница 177: ...smitted to the heat source unit 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 O...

Страница 178: ...ontrol 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 Note 1 The indoor fan operates at the set notch under co...

Страница 179: ...equency control 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 Unit in the stopped state...

Страница 180: ...d 1 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 operation when the...

Страница 181: ... 172 VII Control GB HWE09080 ...

Страница 182: ... before a Test Run 175 2 Test Run Method 176 3 Operating Characteristic and Refrigerant Amount 177 4 Adjusting the Refrigerant Amount 177 5 Refrigerant Amount Adjust Mode 182 6 The following symptoms are normal 186 7 Standard Operation Data Reference Data 187 ...

Страница 183: ... 174 ...

Страница 184: ...will evaporate and the insulation resistance will go up Do not measure the insulation resistance of the terminal block for transmission line for the unit remote controller 3 Check that the valve on the gas pipe and liquid pipe are fully open Securely tighten the cap 4 Check the phase sequence and the voltage of the power supply 5 When a transmission booster is connected Turn on the transmission bo...

Страница 185: ...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 or when the unit malfunctions 2 The OFF timer will automatically stop the ...

Страница 186: ...t Amount 1 Symptoms Overcharging or undercharging of refrigerant can cause the following symptoms Before attempting to adjust the amount of refrigerant in the system thoroughly check the operating conditions of the system Then adjust the refrigerant amount by running the unit in the refrigerant amount adjust mode 2 Amount of refrigerant 1 To be checked during operation Operate all indoor units in ...

Страница 187: ... 5 0 5 0 5 0 Amount of pre charged refrigerant in the heat source unit lbs 11 0 11 0 11 0 Amount of added refrigerant kg 0 29x L1 0 2 x L2 0 12 x L3 0 06 x L4 0 024 x L5 ǩ Amount of added refrigerant oz 3 12x L1 2 15 x L2 1 29 x L3 0 65 x L4 0 26 x L5 ǩ L1 Length of ø19 05 3 4 liquid pipe m L2 Length of ø15 88 5 8 liquid pipe m L3 Length of ø12 7 1 2 liquid pipe m L4 Length of ø9 52 3 8 liquid pip...

Страница 188: ... separator Liquid separator All the pipes in the figure are liquid pipes 15 88 30 m 10 m 40 m 9 52 3 m 1m 10 m 10 m 20 m 10 m 10 m 64 m 6 35 10 m According to the above formula The calculation result would be 17 08 and it is rounded up to the nearest 0 1 The final result will be as follows Amount of refrigerant to be charged kg 0 2 X 40 0 06 X 64 0 024 X 10 5 0 17 08kg Amount of refrigerant to be ...

Страница 189: ...5 1 30 x L6 0 65 x L7 0 26 x L8 ǩ1 ǩ2 ǩ3 ǩ4 L1 Length of ø28 58 1 1 8 high pressure pipe m L2 Length of ø22 2 7 8 high pressure pipe m L3 Length of ø19 05 3 4 high pressure pipe m L4 Length of ø15 88 5 8 high pressure pipe m L5 Length of ø15 88 5 8 liquid pipe m L6 Length of ø12 7 1 2 liquid pipe m L7 Length of ø9 52 3 8 liquid pipe m L8 Length of ø6 35 1 4 liquid pipe m ǩ1 ǩ2 ǩ3 ǩ4 ǩ1 ǩ2 ǩ3 ǩ4 Re...

Страница 190: ...r Indoor 2 6 5 3 4 1 P72 or P96 Indoor unit1 30 model Indoor unit2 96 model Indoor unit3 12 model Indoor unit4 15 model Indoor unit5 12 model Indoor unit6 24 model A 28 58 B 9 52 C 9 52 D 9 52 E 9 52 F 22 2 G 19 05 40m 10m 20m 5m 5m 3m 1m 1 1 8 3 8 3 8 3 8 3 8 7 8 3 4 3 8 3 8 1 4 1 4 1 4 3 8 131ft 32ft 65ft 16ft 16ft 9ft 3ft 32ft 16ft 16ft 32ft 16ft 16ft a 9 52 b 9 52 c 6 35 d 6 35 e 6 35 f 9 52 1...

Страница 191: ... seem adequate for a short while after starting the unit in the refrigerant amount adjust mode but turn out to be inadequate later on when the refrigerant system stabilizes When the amount of refrigerant is truly adequate TH3 TH6 on the heat source unit is 5 C 9 F or above and SH on the indoor unit is between 5 and 15 C 9 and 27 F The refrigerant amount may seem adequate at the moment but may turn...

Страница 192: ...essure 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 Turn off SW4 3 on the OC Turn on SW4 3 on the OC Adjustment complete Note 4 Has the initial start up mode been completed Gradually add refrigerant from the service port on the low pressu...

Страница 193: ...ate later on when the refrigerant system stabilizes When the amount of refrigerant is truly adequate Subcool SC11 and SC16 of the BC controller is 5 C 9 F or above and SH on the indoor unit is between 5 and 15 C 9 and 27 F The refrigerant amount may seem adequate at the moment but may turn out to be inadequate later on Subcool SC11 and SC16 of the BC controller is 5 C 9 F or less and SH on the ind...

Страница 194: ...refrigerant amount to determine its adequacy Note 2 5K 41 F SC11 Turn off SW4 3 on the OC Adjustment complete Does 10 SC16 30K 86ºF hold true Note1 Does 10K 50ºF SC16 hole true Note 4 Has the initial start up mode been completed Gradually add refrigerant from the service port on the low pressure side Gradually add refrigerant from the service port on the low pressure side Keep the unit running for...

Страница 195: ...ally it operates at the set speed Pre heating stand by When the main power is turned on the display shown on the right appears on the in door unit remote controller for 5 minutes HO or PLEASE WAIT icons blink on the display The system is starting up Wait until the blinking display of HO or PLEASE WAIT go off The drain pump keeps run ning after the unit has stopped Unlit The drain pump stays in ope...

Страница 196: ...6 3 8 5 16 3 8 Branch pipe 10 32 3 4 10 32 3 4 Total pipe length 25 82 25 82 Fan speed Hi Hi Refrigerant charge kg lbs oz 11 8 27 13 0 29 Heat source unit Current A 17 7 23 3 Voltage V 230 230 Compressor frequency Hz 66 90 LEV opening Indoor unit Pulse 325 325 387 387 SC LEV1 80 100 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 20 0 81 319 117 2 2...

Страница 197: ... pipe 10 32 3 4 Total pipe length 35 115 Fan speed Hi Refrigerant charge kg lbs oz 13 6 30 Heat source unit Current A 23 8 Voltage V 230 Compressor frequency Hz 114 LEV opening Indoor unit Pulse 325 325 387 SC LEV1 100 LEV2 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 30 0 81 334 117 Sectional temperatures Heat source unit Discharge TH4 C F 65 149 Heat exc...

Страница 198: ...32 3 4 Total pipe length 25 82 25 82 Fan speed Hi Hi Refrigerant charge kg lbs oz 11 8 27 13 0 29 Heat source unit Current A 18 6 25 2 Voltage V 230 230 Compressor frequency Hz 60 72 LEV opening Indoor unit Pulse 332 332 406 406 SC LEV1 0 0 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 64 0 80 383 116 2 90 0 80 421 116 Sectional temperatures Heat ...

Страница 199: ... 10 32 3 4 Total pipe length 35 115 Fan speed Hi Refrigerant charge kg lbs oz 13 6 30 Heat source unit Current A 28 3 Voltage V 230 Compressor frequency Hz 90 LEV opening Indoor unit Pulse 332 332 406 SC LEV1 0 LEV2 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 68 0 80 389 116 Sectional temperatures Heat source unit Discharge TH4 C F 81 178 Heat exchanger o...

Страница 200: ...6 3 8 Branch pipe 10 32 3 4 Total pipe length 45 148 Fan speed Hi Refrigerant charge kg lbs oz 20 3 45 Heat source unit Current A 42 3 Voltage V 230 Compressor frequency Hz 66 66 LEV opening Indoor unit Pulse 325 325 325 325 SC LEV1 80 80 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 20 0 81 319 117 2 20 0 81 319 117 Sectional temperatures Heat so...

Страница 201: ... 3 4 Total pipe length 45 148 Fan speed Hi Refrigerant charge kg lbs oz 23 1 51 Heat source unit Current A 42 3 Voltage V 230 Compressor frequency Hz 78 78 LEV opening Indoor unit Pulse 325 325 387 387 SC LEV1 90 90 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 23 0 81 323 117 2 23 0 81 323 117 Sectional temperatures Heat source unit Discharge TH4...

Страница 202: ...3 4 Total pipe length 45 148 Fan speed Hi Refrigerant charge kg lbs oz 24 6 54 Heat source unit Current A 51 8 Voltage V 230 Compressor frequency Hz 90 90 LEV opening Indoor unit Pulse 387 387 387 387 SC LEV1 100 100 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 27 0 81 329 117 2 27 0 81 329 117 Sectional temperatures Heat source unit Discharge TH...

Страница 203: ...3 4 Total pipe length 65 213 Fan speed Hi Refrigerant charge kg lbs oz 26 2 58 Heat source unit Current A 52 2 Voltage V 230 Compressor frequency Hz 98 98 LEV opening Indoor unit Pulse 325 325 387 387 387 SC LEV1 159 159 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 28 0 81 331 117 2 28 0 81 331 117 Sectional temperatures Heat source unit Discharg...

Страница 204: ... 4 Total pipe length 65 213 Fan speed Hi Refrigerant charge kg lbs oz 26 2 58 Heat source unit Current A 32 7 Voltage V 230 Compressor frequency Hz 105 105 LEV opening Indoor unit Pulse 325 325 325 325 387 387 SC LEV1 159 159 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 30 0 81 334 117 2 30 0 81 334 117 Sectional temperatures Heat source unit Dis...

Страница 205: ... 10 32 3 4 Total pipe length 45 148 Fan speed Hi Refrigerant charge kg lbs oz 20 3 45 Heat source unit Current A 25 5 Voltage V 230 Compressor frequency Hz 60 60 LEV opening Indoor unit Pulse 332 332 332 332 SC LEV1 0 0 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 64 0 80 383 116 2 64 0 80 383 116 Sectional temperatures Heat source unit Discharge...

Страница 206: ... Total pipe length 45 148 Fan speed Hi Refrigerant charge kg lbs oz 23 1 51 Heat source unit Current A 44 3 Voltage V 230 Compressor frequency Hz 66 66 LEV opening Indoor unit Pulse 332 332 406 406 SC LEV1 0 0 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 80 0 80 406 116 2 80 0 80 406 116 Sectional temperatures Heat source unit Discharge TH4 C F 7...

Страница 207: ... Total pipe length 45 148 Fan speed Hi Refrigerant charge kg lbs oz 24 6 55 Heat source unit Current A 51 1 Voltage V 230 Compressor frequency Hz 72 72 LEV opening Indoor unit Pulse 406 406 406 406 SC LEV1 0 0 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 90 0 80 421 116 2 90 0 80 421 116 Sectional temperatures Heat source unit Discharge TH4 C F 8...

Страница 208: ... Total pipe length 65 213 Fan speed Hi Refrigerant charge kg lbs oz 26 2 58 Heat source unit Current A 55 1 Voltage V 230 Compressor frequency Hz 81 81 LEV opening Indoor unit Pulse 332 332 406 406 406 SC LEV1 0 0 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 75 0 80 399 116 2 75 0 80 399 116 Sectional temperatures Heat source unit Discharge TH4 C...

Страница 209: ... Total pipe length 65 213 Fan speed Hi Refrigerant charge kg lbs oz 26 2 58 Heat source unit Current A 33 5 Voltage V 230 Compressor frequency Hz 90 90 LEV opening Indoor unit Pulse 332 332 332 332 406 406 SC LEV1 0 0 LEV2 1400 1400 Pressure switch High pressure after O S Low pressure before accumulator MPa psi 2 68 0 80 389 116 2 68 0 80 389 116 Sectional temperatures Heat source unit Discharge T...

Страница 210: ... 3 4 Total pipe length 65 213 1 4 Fan speed Hi Refrigerant charge kg lbs oz 23 5 52 Heat source unit Current A 62 6 Voltage V 230 Compressor frequency Hz 82 82 82 LEV opening Indoor unit Pulse 387 387 387 387 325 325 SC LEV1 130 141 138 LEV2 1400 1400 1400 Pressure switch High pressure after O S Low pressure before accumu lator MPa psi 2 25 0 81 2 25 0 81 2 25 0 81 326 117 326 117 326 117 Sectiona...

Страница 211: ...65 213 1 4 Fan speed Hi Refrigerant charge kg lbs oz 25 5 57 Heat source unit Current A 69 9 Voltage V 230 Compressor frequency Hz 90 90 90 LEV opening Indoor unit Pulse 387 387 387 387 387 387 SC LEV1 141 141 185 LEV2 1400 1400 1400 Pressure switch High pressure after O S Low pressure before accumu lator MPa psi 2 27 0 81 2 27 0 81 2 27 0 81 329 117 329 117 329 117 Sectional temperatures Heat sou...

Страница 212: ... 65 213 1 4 Fan speed Hi Refrigerant charge kg lbs oz 25 5 57 Heat source unit Current A 77 2 Voltage V 230 Compressor frequency Hz 95 95 95 LEV opening Indoor unit Pulse 395 395 395 387 387 387 SC LEV1 141 141 185 LEV2 1400 1400 1400 Pressure switch High pressure after O S Low pressure before accumu lator MPa psi 2 28 0 81 2 28 0 81 2 28 0 81 331 117 331 117 331 117 Sectional temperatures Heat so...

Страница 213: ...5 213 1 4 Fan speed Hi Refrigerant charge kg lbs oz 26 5 59 Heat source unit Current A 84 2 Voltage V 230 Compressor frequency Hz 100 100 100 LEV opening Indoor unit Pulse 387 387 387 387 387 387 387 SC LEV1 141 141 185 LEV2 1400 1400 1400 Pressure switch High pressure after O S Low pressure before accumu lator MPa psi 2 29 0 81 2 29 0 81 2 29 0 81 332 117 332 117 332 117 Sectional temperatures He...

Страница 214: ...5 246 1 16 Fan speed Hi Refrigerant charge kg lbs oz 26 8 60 Heat source unit Current A 89 0 Voltage V 230 Compressor frequency Hz 105 105 105 LEV opening Indoor unit Pulse 395 395 395 395 387 387 387 SC LEV1 100 100 100 LEV2 1400 1400 1400 Pressure switch High pressure after O S Low pressure before accumu lator MPa psi 2 30 0 81 2 30 0 81 2 30 0 81 334 117 334 117 334 117 Sectional temperatures H...

Страница 215: ...ipe length 65 213 1 4 Fan speed Hi Refrigerant charge kg lbs oz 23 5 52 Heat source unit Current A 66 1 Voltage V 230 Compressor frequency Hz 70 70 70 LEV opening Indoor unit Pulse 406 406 406 406 332 332 SC LEV1 0 LEV2 1400 1400 1400 Pressure switch High pressure after O S Low pressure before accumu lator MPa psi 2 81 0 80 2 81 0 80 2 81 0 80 408 116 408 116 408 116 Sectional temperatures Heat so...

Страница 216: ... 65 213 1 4 Fan speed Hi Refrigerant charge kg lbs oz 25 5 57 Heat source unit Current A 71 0 Voltage V 230 Compressor frequency Hz 72 72 72 LEV opening Indoor unit Pulse 406 406 406 406 406 406 SC LEV1 0 LEV2 1400 1400 1400 Pressure switch High pressure after O S Low pressure before accumu lator MPa psi 2 90 0 80 2 90 0 80 2 90 0 80 421 116 421 116 421 116 Sectional temperatures Heat source unit ...

Страница 217: ...h 65 213 1 4 Fan speed Hi Refrigerant charge kg lbs oz 25 5 57 Heat source unit Current A 71 7 Voltage V 230 Compressor frequency Hz 78 78 78 LEV opening Indoor unit Pulse 414 414 414 414 406 406 SC LEV1 0 LEV2 1400 1400 1400 Pressure switch High pressure after O S Low pressure before accumu lator MPa psi 2 82 0 80 2 82 0 80 2 82 0 80 409 116 409 116 409 116 Sectional temperatures Heat source unit...

Страница 218: ...h 65 213 1 4 Fan speed Hi Refrigerant charge kg lbs oz 26 5 59 Heat source unit Current A 79 1 Voltage V 230 Compressor frequency Hz 83 83 83 LEV opening Indoor unit Pulse 406 406 406 406 406 406 406 SC LEV1 0 LEV2 1400 1400 1400 Pressure switch High pressure after O S Low pressure before accumu lator MPa psi 2 72 0 80 2 72 0 80 2 72 0 80 395 116 395 116 395 116 Sectional temperatures Heat source ...

Страница 219: ...h 75 246 1 16 Fan speed Hi Refrigerant charge kg lbs oz 26 8 60 Heat source unit Current A 84 3 Voltage V 230 Compressor frequency Hz 90 90 90 LEV opening Indoor unit Pulse 414 414 414 414 406 406 406 SC LEV1 0 LEV2 1400 1400 1400 Pressure switch High pressure after O S Low pressure before accumu lator MPa psi 2 68 0 80 2 68 0 80 2 68 0 80 389 116 389 116 389 116 Sectional temperatures Heat source...

Страница 220: ...3 4 10 32 3 4 Total pipe length 25 82 25 82 Fan speed Hi Hi Refrigerant charge kg lbs oz 11 8 27 13 0 29 Heat source unit Current A 17 7 23 3 Voltage V 230 230 Compressor frequency Hz 66 90 LEV opening Indoor unit Pulse 325 325 387 387 BC controller 1 2 3 2000 160 2000 170 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 20 0 81 319 117 2 27 0 81 329 117 BC controller on the liquid ...

Страница 221: ... 4 Total pipe length 35 115 Fan speed Hi Refrigerant charge kg lbs oz 13 6 30 Heat source unit Current A 23 8 Voltage V 230 Compressor frequency Hz 105 LEV opening Indoor unit Pulse 325 325 387 BC controller 1 2 3 2000 180 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 30 0 81 334 117 BC controller on the liquid side PS1 Intermediate part PS3 2 20 2 20 319 319 Sectional temperatur...

Страница 222: ...ipe length 25 82 25 82 Fan speed Hi Hi Refrigerant charge kg lbs oz 11 8 27 13 0 29 Heat source unit Current A 18 6 25 2 Voltage V 230 230 Compressor frequency Hz 60 72 LEV opening Indoor unit Pulse 332 332 406 406 BC controller 1 2 3 110 520 110 590 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 64 0 80 383 116 2 90 0 80 421 116 BC controller on the liquid side PS1 Intermediate p...

Страница 223: ...tal pipe length 35 115 Fan speed Hi Refrigerant charge kg lbs oz 13 6 30 Heat source unit Current A 28 3 Voltage V 230 Compressor frequency Hz 90 LEV opening Indoor unit Pulse 332 332 406 BC controller 1 2 3 110 660 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 68 0 80 389 116 BC controller on the liquid side PS1 Intermediate part PS3 2 64 2 32 383 336 Sectional temperatures Heat...

Страница 224: ...nch pipe 10 32 3 4 Total pipe length 45 148 Fan speed Hi Refrigerant charge kg lbs oz 20 3 45 Heat source unit Current A 42 3 Voltage V 230 Compressor frequency Hz 66 66 LEV opening Indoor unit Pulse 325 325 387 387 BC controller 1 2 3 2000 2000 210 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 20 0 81 319 117 2 20 0 81 319 117 BC controller on the liquid side PS1 Intermediate pa...

Страница 225: ...pipe length 45 148 Fan speed Hi Refrigerant charge kg lbs oz 23 1 51 Heat source unit Current A 42 3 Voltage V 230 Compressor frequency Hz 78 78 LEV opening Indoor unit Pulse 325 325 387 387 BC controller 1 2 3 2000 2000 210 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 23 0 81 323 117 2 23 0 81 323 117 BC controller on the liquid side PS1 Intermediate part PS3 2 13 2 13 309 309 ...

Страница 226: ...pipe length 45 148 Fan speed Hi Refrigerant charge kg lbs oz 24 6 55 Heat source unit Current A 51 8 Voltage V 230 Compressor frequency Hz 90 90 LEV opening Indoor unit Pulse 387 387 387 387 BC controller 1 2 3 2000 2000 220 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 27 0 81 329 117 2 27 0 81 329 117 BC controller on the liquid side PS1 Intermediate part PS3 2 17 2 17 315 315 ...

Страница 227: ...pipe length 65 213 Fan speed Hi Refrigerant charge kg lbs oz 26 2 58 Heat source unit Current A 52 2 Voltage V 230 Compressor frequency Hz 98 98 LEV opening Indoor unit Pulse 325 325 387 387 387 BC controller 1 2 3 2000 2000 230 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 28 0 81 331 117 2 28 0 81 331 117 BC controller on the liquid side PS1 Intermediate part PS3 2 18 2 18 316 ...

Страница 228: ...ipe length 65 213 Fan speed Hi Refrigerant charge kg lbs oz 26 2 58 Heat source unit Current A 32 7 Voltage V 230 Compressor frequency Hz 105 105 LEV opening Indoor unit Pulse 325 325 325 325 387 387 BC controller 1 2 3 2000 2000 240 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 30 0 81 334 117 2 30 0 81 334 117 BC controller on the liquid side PS1 Intermediate part PS3 2 20 2 20...

Страница 229: ... 4 Total pipe length 45 147 Fan speed Hi Refrigerant charge kg lbs oz 20 3 45 Heat source unit Current A 25 5 Voltage V 230 Compressor frequency Hz 60 60 LEV opening Indoor unit Pulse 332 332 332 332 BC controller 1 2 3 110 110 870 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 64 0 80 383 116 2 64 0 80 383 116 BC controller on the liquid side PS1 Intermediate part PS3 2 61 2 29 3...

Страница 230: ... length 45 147 Fan speed Hi Refrigerant charge kg lbs oz 23 1 51 Heat source unit Current A 44 3 Voltage V 230 Compressor frequency Hz 66 66 LEV opening Indoor unit Pulse 332 332 406 406 BC controller 1 2 3 110 110 870 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 80 0 80 406 116 2 80 0 80 406 116 BC controller on the liquid side PS1 Intermediate part PS3 2 77 2 45 402 355 Sectio...

Страница 231: ...e length 45 147 Fan speed Hi Refrigerant charge kg lbs oz 24 6 55 Heat source unit Current A 51 1 Voltage V 230 Compressor frequency Hz 72 72 LEV opening Indoor unit Pulse 406 406 406 406 BC controller 1 2 3 110 110 980 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 90 0 80 421 116 2 90 0 80 421 116 BC controller on the liquid side PS1 Intermediate part PS3 2 87 2 55 416 370 Secti...

Страница 232: ... length 65 213 Fan speed Hi Refrigerant charge kg lbs oz 26 2 58 Heat source unit Current A 55 1 Voltage V 230 Compressor frequency Hz 81 81 LEV opening Indoor unit Pulse 332 332 406 406 406 BC controller 1 2 3 110 110 1050 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 75 0 80 399 116 2 75 0 80 399 116 BC controller on the liquid side PS1 Intermediate part PS3 2 72 2 40 395 348 S...

Страница 233: ... length 65 213 Fan speed Hi Refrigerant charge kg lbs oz 26 2 58 Heat source unit Current A 33 5 Voltage V 230 Compressor frequency Hz 90 90 LEV opening Indoor unit Pulse 332 332 332 332 406 406 BC controller 1 2 3 110 110 1120 Pressure switch High pressure 63HS1 Low pressure 63LS MPa psi 2 68 0 80 389 116 2 68 0 80 389 116 BC controller on the liquid side PS1 Intermediate part PS3 2 64 2 32 383 3...

Страница 234: ...ay on the Remote Controller 230 3 Investigation of Transmission Wave Shape Noise 303 4 Troubleshooting Principal Parts 306 5 Refrigerant Leak 343 6 Compressor Replacement Instructions 347 7 Servicing the BC controller 353 8 Troubleshooting Using the Heat source Unit LED Error Display 356 ...

Страница 235: ... 226 ...

Страница 236: ... O 2601 Water supply cutoff O 4102 4152 Open phase O 4106 Transmission power supply fault O 4115 Power supply signal sync error O 4116 RPM error Motor error O O 4220 4320 108 Abnormal bus voltage drop O 109 Abnormal bus voltage rise O 111 Logic error O 131 Low bus voltage at startup O 4230 4330 Heatsink overheat protection O 4240 4340 Overload protection O 4250 4350 101 IPM error O 102 ACCT overcu...

Страница 237: ...mperature sensor fault HIC circuit outlet tempera ture TH6 O 5107 1221 Temperature sensor fault Water inlet pipe TH7 O 5108 1218 Temperature sensor fault Water outlet pipe TH8 O 5112 1215 Temperature sensor fault Component cooler heat ex changer outlet THINV O 5110 1214 01 Temperature sensor fault Heatsink temperature THHS O 5111 Temperature sensor fault BC controller Liquid inlet temperature TH11...

Страница 238: ...ller signal reception error No signal re ception O O 6832 MA remote controller signal transmission error Synchronization error O O 6833 MA remote controller signal transmission error H W error O O 6834 MA controller signal reception error Start bit de tection error O O 7100 Total capacity error O 7101 Capacity code setting error O O O 7102 Wrong number of connected units O O 7105 Address setting e...

Страница 239: ...Cause check method and remedy 1 Faulty wiring Check the following wiring connections 1 Between Control board and Fan board 2 Between Control board and INV board 2 INV board failure and Control board failure Replace the INV board or the Fan board when the power turns on automatically even if the power source is reset Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error...

Страница 240: ...valuation page 177 2 Overload operation Check operating conditions and operation status of indoor heat source units 3 LEV failure on the indoor unit Perform a heating operation and check the operation Cooling LEV on the indoor unit BC controller LEV1 2 3 Heat source unit LEV2a 2b BC controller SVM1 2 BC controller SVA C Heating LEV on the indoor unit Heat source unit LEV2a 2b BC controller LEV3 BC...

Страница 241: ...t up the operation immediately stops 3 Cause check method and remedy 1301 Cause Check method and remedy 1 Inner pressure drop due to a leakage Refer to the section on troubleshooting the low pressure sensor page 307 2 Low pressure sensor failure 3 Short circuited pressure sensor cable due to torn outer rubber 4 A pin on the male connector is missing 5 Disconnected wire 6 Failure of the low pressur...

Страница 242: ...er to the page on troubleshooting for LEV and solenoid valve page 310 2 BC controller LEV malfunction Heating only or heating main Indoor LEV 3 3 BC controller SVM1 and 2 malfunction Cooling only 4 BC controller SVA and SVC malfunction Cooling only or cooling main 5 BC controller SVB malfunction Heating only or heating main Solenoid valve SV malfunction 4a 4d Cooling only or cooling main 6 Heat so...

Страница 243: ...it the same sequence as Item 1 above first detection is followed 4 For 30 minutes after the stop of the heat source unit preliminary errors will be displayed on the LED display 3 Cause check method and remedy 1302 Cause Check method and remedy 1 Inner pressure drop due to a leakage Refer to the page on the troubleshooting of the high pressure sensor page 306 2 Pressure sensor failure 3 Shorted cir...

Страница 244: ...l make an abnormal stop and the error code 2000 appears on the LED 4 For the 10 minutes from the time the heat source stopped is considered a preliminary error and it is indicated on the LED 5 This error is indicated on the LED only when Dip switch SW2 8 on the control board of the heat source unit is set to OFF 3 Cause check method and remedy 2000 Cause Check method and remedy 1 Heat source water...

Страница 245: ...TH7 of 5 C 41ºF or below OR 50 C 122ºF or above is detected after 30 minutes of the first stoppage of the heat source unit this is considered as the first detection and the sequence as described in section 1 above is followed 4 The period of 30 minutes after a stoppage of the heat source unit is considered a preliminary error and a preliminary error code appears on the LED display 3 Cause check me...

Страница 246: ... the LED 3 If the conditions above 1 are met again after 60 minutes of the first stoppage of the heat source unit it is considered the first detection and the sequence as described in section 1 above is followed 4 For the 60 minutes from the time the heat source stopped is considered a preliminary error and it is indicated on the LED 3 Cause check method and remedy 2135 Cause Check method and reme...

Страница 247: ...the unit is stopped 4 Preliminary water leakage is cancelled when the following conditions are met One hour after the preliminary water leakage was detected it is not detected that the drain pump goes from OFF to ON The operation mode is changed to Cool Dry Liquid pipe temperature inlet temperature 10 C 18 F 3 Cause check method and remedy 2500 Cause Check method and remedy 1 Drain water drainage ...

Страница 248: ...eliminary water leakage was detected it is not detected that the drain pump goes from OFF to ON The operation mode is changed to Cool Dry Liquid pipe temperature inlet temperature 10 C 18 F 3 Cause check method and remedy Reference 2500 Cause Check method and remedy 1 Drain water drainage problem Clogged drain pump Clogged drain piping Backflow of drain water from other units Check for proper drai...

Страница 249: ...han Fan or Stop to an error stop 2502 appears on the monitor of the units that came to an error stop 6 Forced stoppage of the heat source unit Detection timing The error is detected whether the unit is in operation or stopped 7 Ending criteria for the forced stoppage of heat source unit Power reset the indoor unit that was identified as the error source and the heat source unit that is connected t...

Страница 250: ...heat source unit in the same refrigerant circuit to an error stop compressor operation prohibited and the heat source unit brings all the indoor units in the same re frigerant circuit that are in any mode other than Fan or Stop to an error stop 6 Forced stoppage of the heat source unit Detection timing The error is detected whether the unit is in operation or stopped This error is detected whether...

Страница 251: ...ure thermistor or suction temperature thermistor or short or open circuited Drain pump is in operation One hour has elapsed since the drain sensor went off Short 90 C 194 F or above Open 20 C 4 F or below 3 Cause check method and remedy 2503 Cause Check method and remedy 1 Faulty connector CN31 insertion 1 Check for connector connection failure Reinsert the connector restart the operation and chec...

Страница 252: ...601 Cause Check method and remedy 1 The water tank of the humidifier is empty Check the amount of supply water Check for the solenoid valve and for the connection 2 The solenoid valve for humidification is OFF Check the connector 3 Disconnected float switch Check the connecting part 4 Poor operation of float switch Check for the float switch 5 Frozen water tank Turn off the power source of the wat...

Страница 253: ...roblem Coil problem Circuit board failure Check the coil connections Check for coil burnout Confirm that the voltage at the CN02 connector is 188 V or above 3 Wiring failure Confirm that the voltage at the control board connector CNAC is 188 V or above If the voltage is below 188V check the wiring connection between the noise filter board CN02 and control board CNAC Confirm that the wiring between...

Страница 254: ... board failure Check the coil connections Check for coil burnout Check that the voltage across TB21 and TB22 on the noise filter board is 414V or above 3 Wiring failure Confirm that the voltage at the control board connector CNAC is 190 V or above If the voltage is below 190 check the wiring between noise filter CN6 noise filter CN2 transformer box and control board CNAC Confirm that the wiring be...

Страница 255: ...ck method and remedy Check the items in IX 4 7 2 Troubleshooting transmission power circuit of heat source unit on all heat source units in the same refrigerant circuit Transmission power supply fault other than error detail code FF Heat source unit 2 Error definition and error detection method Transmission power reception failure 3 Cause One of the heat source units stopped supplying power but no...

Страница 256: ...CN02 and control board CNAC Confirm that the voltage at the control board con nector CNAC is 188 V or above 5 Control board failure If none of the items described above is applicable and if the trouble reappears even after the power is switched on again replace the control board 4115 YHMU A Cause Check method and remedy 1 Power supply error Check the voltage of the power supply terminal block TB1 ...

Страница 257: ...ay is ON Only for the three phase model Indoor unit If detected less than 180rpm or more than 2000rpm the indoor unit will restart and keep running for 3 minutes If detected again the display will appear 3 Cause check method and remedy 4116 Cause Check method and remedy 1 Board failure Replace the board 2 Motor malfunction Check for the motor and the solenoid switch 3 Solenoid switch malfunction ...

Страница 258: ...o to 3 3 Check the coil connections L1 L3 and for coil burnout 4 Check the wiring connections between the following sections Between the noise filter board and INV board Between the INV board and DCL Between the INV board and C1 Replace 72C if no problems are found Check the following items if the voltage is below 253V 1 Check the coil connections L1 L3 and for coil burnout 2 Check the wiring betw...

Страница 259: ...n the following sections Between the noise filter board and INV board Between the INV board and DCL Replace 72C if no problems are found 5 Check the IGBT module resistance on the INV board Refer to the Trouble shooting for IGBT module Check the voltage between the FT P and FT N terminals on the INV board while the inverter is stopped and if it is less than 420 V check the following items 1 Check t...

Страница 260: ...d during inverter operation 3 Cause check method and remedy 1 Different voltage connection Check the power supply voltage on the power supply terminal block TB1 2 INV board failure If the problem recurs replace the INV board In the case of 4220 INV board Refer to section 6 Inverter YHMU A under part 4 Troubleshooting Principal Parts for error codes related to the inverter page 333 1 Error Code Log...

Страница 261: ...arts for error codes related to the inverter page 333 1 Error Code Low bus voltage at startup Detail code 131 2 Error definition and error detection method When Vdc 160 V is detected just before the inverter operation 3 Cause check method and remedy 1 Inverter main circuit failure Same as detail code 108 of 4220 error Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for err...

Страница 262: ...shooting Principal Parts for error codes related to the inverter page 333 4230 THMU A Model TOH P72 P96 P120 models 100 C 212 F Cause Check method and remedy 1 Air passage blockage Check that the heat sink cooling air passage is not blocked 2 THHS failure 1 Check for proper installation of the INV board IGBT Check for proper instal lation of the IGBT heatsink 2 Check for proper installation of the...

Страница 263: ...elated to the inverter page 333 4240 THMU A Model Imax Arms P72 P96 P120 models 35 Model TOL P72 P96 P120 models 95 C 203 F Cause Check method and remedy 1 Air passage blockage Check that the heat sink cooling air passage is not blocked 2 Power supply environment Power supply voltage is 188 V or above 3 Inverter failure Refer to IX 4 6 page 328 4 Compressor failure Check that the compressor has no...

Страница 264: ...ror definition and error detection method IPM error signal is detected 3 Cause check method and remedy Refer to section 6 Inverter YHMU A under part 4 Troubleshooting Principal Parts for error codes related to the inverter page 333 4250 THMU A Cause Check method and remedy 1 Inverter output related Refer to IX 4 6 2 1 4 page 330 4250 YHMU A Cause Check method and remedy 1 Inverter output related R...

Страница 265: ...ion method Overcurrent 94 Apeak or 22 Arms and above is detected by the current sensor 3 Cause check method and remedy Refer to section 6 Inverter YHMU A under part 4 Troubleshooting Principal Parts for error codes related to the inverter page 333 4250 THMU A Cause Check method and remedy 1 Inverter output related Refer to IX 4 6 2 1 4 page 330 Check the IGBT module resistance value of the INV boa...

Страница 266: ...rt damage or grounding on the load side is detected just before starting the inverter 3 Cause check method and remedy Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error codes related to the inverter 4250 Cause Check method and remedy 1 Grounding fault compressor Refer to IX 4 6 2 2 2 Inverter output related Refer to IX 4 6 2 1 4 ...

Страница 267: ...p 2 Error definition and error detection method The heatsink temperature THHS remains at or above TOH for 10 minutes or more at inverter startup 3 Cause check method and remedy Same as 4230 error 1 Error Code Heatsink overheat protection at startup 2 Error definition and error detection method The heatsink temperature THHS remains at or above 100 C 212 F for 10 minutes or more at inverter startup ...

Страница 268: ...r 3 minutes When the error is not restored after 3 minutes if restored the heat source unit runs normally the heat source unit makes an error stop Short detectable at 90 C 194 F or higher Open detectable at 40 C 40 F or lower Sensor error at gas side cannot be detected under the following conditions During heating operation During cooling operation for 3 minutes after the compressor turns on 3 Cau...

Страница 269: ...n of the thermistor is detected just before the restart of the heat source unit the heat source unit makes an error stop and the error code 5102 5103 5104 5105 5106 or 5107 will appear During 3 minute antirestart mode preliminary errors will be displayed on the LED display A short or an open described above is not detected for 10 minutes after the compressor start during defrost mode or for 3 minu...

Страница 270: ...ort or an open of THHS is detected just before or during the inverter operation 3 Cause check method and remedy Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error codes related to the inverter 5110 Cause Check method and remedy 1 INV board failure If the problem recurs when the unit is put into operation replace the INV board ...

Страница 271: ... before the restart the heat source unit makes an error stop and the error code 5201 will appear During 3 minute antirestart mode preliminary errors will be displayed on the LED display A error is not detected for 3 minutes after the compressor start 3 Cause check method and remedy 5201 Cause Check method and remedy 1 High pressure sensor failure Refer to the page on the troubleshooting of the hig...

Страница 272: ...pal Parts for error codes related to the inverter page 333 1 Error Code ACCT sensor circuit fault Detail code 117 2 Error definition and error detection method When an error value is detected with the ACCT detection circuit just before the inverter starts 3 Cause check method and remedy Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error codes related to the inverter...

Страница 273: ...efore startup Detection of improperly mounted ACCT sensor 3 Cause check method and remedy Refer to section 6 Inverter under part 4 Troubleshooting Principal Parts for error codes related to the inverter 5301 Cause Check method and remedy 1 Inverter output wiring problem Check output wiring connections Confirm that the U and W phase output cables are put through CT12 and CT22 on the INV board respe...

Страница 274: ... fault nonvolatile memory error 2 Error definition and error detection method This error is detected when the data cannot be read out from the built in nonvolatile memory on the remote controller 3 Cause check method and remedy 1 Remote controller failure Replace the remote controller 1 Error Code Remote controller board fault clock IC error 2 Error definition and error detection method This error...

Страница 275: ... Cause Check method and remedy Two or more of the following have the same address Heat source units indoor units LOSSNAY units con trollers such as M NET remote controllers Example 6600 01 appears on the remote controller Unit 01 detected the error Two or more units in the system have 01 as their ad dress Find the unit that has the same address as that of the error source Once the unit is found co...

Страница 276: ...nected to different heat source units or in case of the system connected with MELANS 4 Check method and remedy 6602 NO Tightly reconnect the male power supply connector to the female power supply switch connector CN40 YES YES YES YES YES YES NO NO NO NO Is the transmission line work performed while the power is on Check the power source of the indoor unit 198 264V Check the transmission line work ...

Страница 277: ...the display on the remote controller indicates the controller where an error oc curred 3 Cause check method and remedy 6603 Cause Check method and remedy 1 The transmission processor cannot be transmit ted as the short wavelength voltage like noise ex ists consecutively on the transmission line No noise indicates that the error source controller is a fail ure If noise exists investigate the noise ...

Страница 278: ...ror is accidental they will run normally If not check the causes 1 4 2 Faulty or disconnected transmission wiring of BC controller 3 Disconnected connector of BC controller CN02 4 Faulty control board of BC controller Indoor unit IC ME re mote con troller RC MA re mote con troller MA No ac knowl edgement ACK at RC trans mission to IC 1 When IC unit address is changed or modified during operation T...

Страница 279: ...gement ACK at RC transmissionto IC 1 Same causes as 1 5 for sys tem with one heat source unit 1 Turn off the power sources of the heat source and indoor units for 5 or more minutes and turn them on again If the error is accidental the will run normally If not check the cause 2 2 Disconnection or short circuit of the transmission line for the heat source unit on the terminal block for centralized c...

Страница 280: ... connected to different heat source units 1 Turn off the power source of heat source unit 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 Disconnection or short circuit of the transmission line for the heat source unit on the terminal block for centralized control line connection TB7 2 Check the causes of 1 5 If the cause is fou...

Страница 281: ...rce unit 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 Disconnection or short circuit of the transmission line for the heat source unit on the terminal block for centralized control line connection TB7 2 Check the causes of 1 5 If the cause is found correct it If no cause is found check 3 3 When multiple heat source units are ...

Страница 282: ...System configuration 3 System connected to the system controllers MELANS 6607 Error source address Error display Detection method Cause Check method and remedy Heat source unit OC ME remote controller RC System control ler SC MA remote controller MA No acknowl edgement ACK at IC transmis sion to OC Same cause as that for system with one heat source unit Same remedy as that for system with one heat...

Страница 283: ...ource unit 1 Same cause as that for system with one heat source unit 2 Error occurrence on all IC in the system with one heat source unit 1 Check the LED display for troubleshooting on the heat source unit 1 Total capacity error 7100 If an error is found check the check code definition and correct the error If no error is found check 2 2 Capacity code error 7101 3 Error in the number of connected ...

Страница 284: ...y as that for system with one heat source unit 1 Same cause as that for system with one heat source unit 2 Error occurrence on all IC in the system with one heat source unit 1 Check the LED display for troubleshooting on the 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 connected units 7102 Address setting err...

Страница 285: ...ote controller failure 2 Error occurrence on all IC in the system with one heat source unit 1 Check the LED display for troubleshooting on the 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 connected units 7102 Address setting error 7105 If an error is found check the check code definition and correct the error...

Страница 286: ... units have Use either of the following two methods for deletion 2 Although the address of LOSSNAY has been changed after the interlock registration of LOSSNAY is made using ME remote controller the in door unit is keeping the mem ory of the previous address 1 Address deletion by ME remote controller Delete unnecessary address in formation using the manual set ting function of ME remote controller...

Страница 287: ...tage signal by exceeding acceptable range of transmission wiring Farthest 200m 656ft or less Remote controller wiring 12m 39ft or less 4 The transmission line voltage signal is decreased due to erroneous sizing of transmission line Wire diameter 1 25mm2 AWG16 or more 4 Check method and remedy 1 When an error occurs during commissioning turn off the power sources for the heat source unit indoor uni...

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

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

Страница 290: ...r disconnected or loose transmission lines for the indoor units or MA remote controllers 2 Confirm that the power is supplied to the main power source and the remote controller line 3 Confirm that MA remote controller s capacity limit is not exceeded 4 Check the sub main setting of the MA remote controllers One of them must be set to MAIN 5 Diagnose the remote controller described in the remote co...

Страница 291: ...he signals from the remote controller 4 Check method and remedy 1 Check for disconnected or loose transmission lines for the indoor units or MA remote controllers 2 Confirm that the power is supplied to the main power source and the remote controller line 3 Confirm that MA remote controller s capacity limit is not exceeded 4 Check the sub main setting of the MA remote controllers One of them must ...

Страница 292: ...e and the indoor units and change the setting of the model name capacity code 2 The model selection switches SW5 1 5 4 on the heat source unit are set incor rectly Check the setting for the model selection switch on the heat source unit Dipswitches SW5 1 5 4 on the heat source unit control board 3 The heat source unit and the auxiliary unit OS that is connected to the same system are not properly ...

Страница 293: ...set by the switch SW2 on indoor unit board When the model name set by the switch is different from that of the unit connected turn off the power source of the heat source and the indoor units and change the setting of the capacity code The capacity of the indoor unit can be confirmed by the self diagnosis function SW1 operation of the heat source unit Heat source unit 2 The model selection switche...

Страница 294: ...on line from the heat source unit or BC controller 3 Short circuited transmission line When 2 and 3 apply the following display will appear M NET remote controller Nothing appears on the remote controller be cause it is not powered MA remote controller HO or PLEASE WAIT blinks 4 The model selection switch SW5 7 on the heat source unit is set to OFF Normally set to ON 5 Heat source unit address set...

Страница 295: ...e set to 00 or a number be tween 51 and 100 If the heat source unit address is out of the val id range reset the address with the power to the heat source unit turned off If the BC controller address is out of the valid range reset the address with the power to both the heat source unit and BC controller turned off 7106 Error source Cause Check method and remedy A remote controller for use with in...

Страница 296: ...hich is connected to the BC controller Sub1 iii he indoor unit address which is connected to the BC controller Sub2 Address setting i ii iii ii and iii can be reversed Model total Total port number Single branching 2 branches merge 54 96 Change the port No Is there a BC controller Sub Are 4 or more indoor units connected to the same port Is the model total of indoor units connected to the same por...

Страница 297: ...the booster being connected to the switch on the indoor unit The unit will not function properly unless the transmission booster is turned on 2 Power resetting of the transmission booster and heat source unit Reset the power to the heat source unit 3 Wiring failure between OC and OS 2 Confirm that the TB3 on the OC and OS are properly connected 4 Broken wire between OC and OS 3 Check the model sel...

Страница 298: ...l board and inverter board Replace ment of the circuit board with the wrong one 3 Check the model selection switch on the heat source unit Dipswitch SW5 7 on the control board 7117 Error source Cause Check method and remedy Heat source unit 1 Wiring failure 1 Control board connector Check the CNTYP2 4 5 connector connec tion Inverter board connection Check the CNTYP connector connection 2 Disconne...

Страница 299: ...tion of the wire for the MA remote controller and the M NET transmission line on the indoor unit 3 The number of the MA remote controllers that are connected to an indoor unit exceeds the allowable range 2 units 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 remote display output of the heat source unit or reversed...

Страница 300: ...h the power supply unit for transmission lines is connected the male power supply connector is connect ed to the female power supply switch connector CN40 on the heat source unit 4 Disconnected M NET transmission line on the indoor unit side 5 Disconnected wire between the terminal block for M NET line TB5 of the indoor unit and the indoor unit board CN2M or disconnected connector 2 Check method a...

Страница 301: ...hort circuited wire for the MA remote controller Disconnected wire for the MA remote controller No 2 and disconnected line to the terminal block Reversed daisy chain connection between groups Incorrect wiring for the MA remote controller to the terminal block for transmission line connection TB5 on the indoor unit The M NET transmission line is connected incorrectly to the terminal block TB13 for ...

Страница 302: ...D2 is lit All the indoor unit power failure All the indoor unit power failure Error display Error display Thermo is OFF Is operation possible Short circuit of the remote controller After turning the power on check whether HO PLEASE WAIT is displayed on the remote controller After more than 20 seconds since turning the power on is LED2 check of the indoor control board still displayed Is the operat...

Страница 303: ... the terminal block The indoor transmission line is connected incorrectly to the transmission terminal block for centralized controller TB7 4 Disconnected transmission line on the remote controller 5 Remote controller failure 6 Heat source unit failure Refer to IX 8 Troubleshooting Using the Heat source Unit LED Error Display page 356 2 Check method and remedy 1 Check voltage of the transmission t...

Страница 304: ...oor unit control board Is it lit When it is lit When it is off or cannot be checked Check for the change of LED display by operating dip switch 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 200V circuit for short circuit and ground fault Check the connection of the connector Check the main power of t...

Страница 305: ... the heat source unit 3 The male power supply connector is connected to CN40 on more than one heat source unit or the connector is connected to CN40 on the heat source unit in the system to which a power supply unit for transmission line is connected Using MELANS 1 When MELANS is used HO display on the remote controller will disappear when the indoor unit and the local remote con troller ME remote...

Страница 306: ...heat source units are grouped 6 The power of the heat source unit to be confirmed has been cut off 5 Check the power supply of the heat source unit which is coupled with the unit to be confirmed 7 The power of the heat source unit to be confirmed has been cut off 6 Check that the transmission line for centralized control TB7 of the heat source unit is not discon nected 8 When the indoor units conn...

Страница 307: ...r than the actual pressure causes insufficient capac ity SW1 setting 2 Check temperature difference between the evapo rating temperature Te and the target evaporating temperature Tem with self diagnosis LED Note Higher Te than Tem causes insufficient capacity SW1 setting Note Protection works and compressor frequency does not rise even at higher Te than Tem due to high dis charge temperature and h...

Страница 308: ...front of and behind the place where the foreign object is clogging the pipe upstream side and downstream side When the temperature drops significantly the foreign object may clog the pipe Remove the foreign object inside the pipe 7 The indoor unit inlet temperature is excessively Less than 15 C 59 F WB Check the inlet air temperature and for short cy cling Change the environment where the indoor u...

Страница 309: ...ck the pressure sensor Refer to the page on Trouble shooting of Pressure Sensor Note Higher inlet pressure by the high pressure sensor than the actual pressure causes insufficient capac ity SW1 setting 2 Check the difference between the condensing tem perature Tc and the target condensing tempera ture Tcm with self diagnosis LED Note Higher Tc than Tcm causes insufficient capacity SW1 setting Note...

Страница 310: ... that is blocked Since blockage in the extended section is difficult to locate operate the unit in the cooling cycle and follow the same procedures that are used to locate the blockage of pipe during cooling operation Remove the blockage in the pipe 8 The indoor unit inlet temperature is excessively high exceeding 28 C 82 F Check the inlet air temperature and for short cy cling Change the environm...

Страница 311: ...error history on LED display with SW1 2 Abnormal discharge air temperature 3 Heatsink thermistor failure 4 Thermistor failure Refer to the reference page for each error mode Display the indoor piping temperature table with SW1 to check whether the freeze proof operation runs properly and check the temperature 5 Pressure sensor failure 6 Over current break 7 Refrigerant overcharge Note1 Frost preve...

Страница 312: ...unded 2 The sectional voltage level of transmission signal should be as follows Cause Erroneous operation Error code Error code definition Noise interference on the transmission line Signal is transformed and will be misjudged as the signal of another address 6600 Address overlap Transmission wave pattern is transformed due to the noise creating a new signal 6602 Transmission pro cessor hardware e...

Страница 313: ...e can not escape leading to change of the transmission signal 6 Check the treatment meth od of the shield of the transmission line for cen tralized control The transmission cable for centralized control is less subject to noise interference if it is grounded to the heat source unit whose power jumper cable was moved from CN41 to CN40 or to the pow er supply unit The environment against noise varie...

Страница 314: ...ation between the MA remote controller and the indoor unit is interrupted for 3 minutes in a row MA transmission error 6831 will occur 2 Confirmation of transmission specifications and wave pattern A B No polarity Across terminal No 1 2 Power supply 9V to 12VDC Satisfies the formula 12 msec bit 5 Voltage among terminals must be between DC9 and 12 V TB15 A B 1 2 MA remote controller Transmission wa...

Страница 315: ...e high pressure sensor has a problem 3 Remove the high pressure sensor from the control board to check the pressure on the self diagnosis LED1 1 When the pressure displayed on self diagnosis LED1 is between 0 and 0 098MPa 14psi the high pressure sensor has a problem 2 When the pressure displayed on self diagnosis LED1 is approximately 4 15MPa 601psi the control board has a problem 4 Remove the hig...

Страница 316: ...oblem 2 When the pressure displayed on self diagnosis LED1 is approximately 1 7MPa 247psi the control board has a problem When the heat source temperature is 30 C 86 F or less the control board has a problem When the heat source temperature exceeds 30 C 86 F go to 5 4 Remove the low pressure sensor from the control board and short circuit between the No 2 and 3 connectors 63LS CN202 to check the p...

Страница 317: ... from outside as the outer hull will be deformed leading to the malfunction of the inner valve 2 In case of SV1a Bypass valve This solenoid valve opens when powered Relay ON 1 At compressor start up the SV1a 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 SV1a down...

Страница 318: ... 4 5 1 2 3 4 5 2 3 4 5 Solenoid valve block three compartments 1 is located behind 3 TH3 CV8 CV6a TH8 TH7 SV7b SV7a CV4a CV3a CV7a BV2 SV4a SV4b SV4d Solenoid valve block THINV Component cooler heat exchanger LEVINV ST13 Water circuit ST2 LEV1 HIC TH2 TH6 LEV2a LEV2b BV1 ST1 ...

Страница 319: ...ure by touching the pipe 4 LEV LEV operation LEV Indoor unit Linear expansion valve LEV2a and LEV2b Heat source unit Linear expansion valve are stepping motor driven valves that operate by receiving the pulse signals from the indoor and heat source unit control boards 1 Indoor LEV and Heat source LEV LEV2a LEV2b The valve opening changes according to the number of pulses 1 Indoor and heat source u...

Страница 320: ...s 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 is turned on the valve closing signal of 2200 pulses will be output from the indoor board to LEV to fix the valve position It must be fixed at p...

Страница 321: ... 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 It must be fixed at point A Pulse signal is outpu...

Страница 322: ...blue using a tester They are normal if resistance is 150ohm 10 Replace the LEV coils Indoor Heat source LEV2a LEV2b BC controller Measure resistance between the coils red white red orange brown yellow brown blue using a tester They are normal if resistance is 46ohm 3 Replace the LEV coils Heat source LEV1 LEVINV Incomple sealing leak from the valve When checking the refrigerant leak from the indoo...

Страница 323: ...ithout the body gripped undue force will be applied and the pipe will be bent 3 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 withou...

Страница 324: ...Do not use motors if dropped 3 Do not remove the cap until immediately before the procedure 4 Do not wipe off any molybdenum 5 Do not remove the packing 6 Do not apply any other than specified liquid such as screw lock agent grease and etc Motor Driver Locknut Valve assembling Valve body side Orifice Bellows Refrigerant Circuit Motor Packing Cap Molybdenum ...

Страница 325: ... stick precisely Apply screw lock agent to whole part of the screw Do not introduce screw lock agent into the motor Use new motors if problems are found on the motor during the replacement 7 After rotating the locknut 2 3 times by hands hold the valve body with the spanner and tighten the locknut with the specified torque with a torque wrench Apply the tightening torque of 15N m 150kgf cm administ...

Страница 326: ... 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 between the heat s...

Страница 327: ...ied 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 Measurement...

Страница 328: ...istor and the temperature measured by a commercially available thermometer and check whether there is no difference between them Insert the connector of the thermistor in trouble into the board check the sensor inlet temperature on the LED monitor and check the temperature difference START Normal Troubleshooting instructions for thermistor Replace the thermistor Temperature difference Temperature ...

Страница 329: ...below When the result is 10 it is normal 3 Check the self diagnosis switch Heat source 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 TH12 TH15 TH12 TH15 Liquid inlet temperature Bypass outlet temperature Bypass outlet temperature Bypass...

Страница 330: ...is fully open Check that LEV1 is fully open Check that SVA and SVC are ON Check that SVA and SVC are OFF Cooling or heating operation Note 2 Heating operation Check whether LEV3 is controlling superheat Check LEV1 Check LEV3 Check SVA and SVC Check SVB LEV1 is fully open Check whether LEV 3 is controlled by the value of the differential pressure LEV1 is fully open Note 3 Note 2 Note 3 YES NO Cooli...

Страница 331: ...d Non cooling and non heating SH12 small SC11 small SH16 large but branch pipe SC small BC controller sound PHM large Indoor heating SC small PHM large Non cooling Indoor heating SC small PHM large Part Malfunction mode Operation mode Content Standards of judgment on unit stable operation G GA type LEV1 Inclined to close Heating only Heating main Cooling main Difference between high pressure P1 an...

Страница 332: ...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 LEV1 opening LEV3 opening LEV3 opening BC controller bypass outlet superheat BC controller intermediate part subcool SH12 LEV2 opening LEV3 opening SC16 BC controller liquid side subcool SC11 Measurement data SW1 setting value Symbol G GA Standard main GB HB Sub 1 GB HB Sub 2 ...

Страница 333: ... 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 and check tha...

Страница 334: ...pstream and downstream pipes of the solenoid valve When the solenoid valve is ON There is no temperature difference When the solenoid valve is OFF There is a temperature difference OK Remove the solenoid valve coil and check that there is a suction force There is a suction force Note 2 Note 2 Note 2 Measure the temperature at the upstream and downstream pipes of the solenoid valve and compare them...

Страница 335: ...SVA SVB SVC Measure the temperature at the upstream and downstream pipes and of SVA Measure the temperature at the upstream and downstream pipes and of SVB Mode Cooling Heating Stopped Defrost Fan Port SVA ON OFF OFF OFF OFF SVB OFF ON OFF OFF OFF SVC ON OFF OFF OFF ON Operation mode Cooling only Cooling main Heating only Heating main Defrost Stopped SVM1 SVM1b ON Pressure dif ferential con trol O...

Страница 336: ...9080 GB 4 BC controller transformer Before measuring the resistance pull out the connector Normal Abnormal CNTR 1 3 about 58 ohm Open phase or shorting CN03 1 3 about 1 6 ohm CNTR CN03 BC controller control board Red White Red Red ...

Страница 337: ...10 minutes and confirm that the voltage at both ends of the electrolytic capacitor has dropped to a sufficiently low level 2 The IPM on the inverter becomes damaged if there are loose screws are connectors If a problem occurs after replacing some of the parts mixed up wiring is often the cause of the problem Check for proper connection of the wiring screws connectors and Faston terminals 3 To avoi...

Страница 338: ...pply wiring of the peripheral device does not run close to the power supply wiring of the heat source unit 2 Check that the inverter output wiring is not in close contact with the power supply wiring and the transmission lines 3 Check that the shielded wire is used as the transmission line when it is required and check that the grounding work is performed prop erly on the shielded wire 4 Meg failu...

Страница 339: ...lue of 0 3 ohm 20 C 68 F Replace the compressor 3 Check wheth er the inverter is damaged No load 1 Disconnect the invert er output wire from the terminals of the INV board SC U SC V SC W 1 Inverter related problems are de tected Connect the short circuit connec tor to CN6 and go to section 1 2 Disconnect the short circuit connector from CN6 on the INV board 2 Inverter voltage is not output Replace...

Страница 340: ...the main inverter circuit Refer to Simple checking procedures for individual components of main in verter circuit IGBT module IPM Rush current protection resistor Electromagnetic relay DC reactor 2 Turn on the power again and check again 1 Main power breaker trip 2 No remote control display 3 Turn on the heat source unit and check that it operates normally 1 Operates normally without tripping the ...

Страница 341: ...ectromagnetic relay is rated at 200VAC and is driven by a coil The resistance between the coils in row A cannot be measured with a tester Check only for shorting DC reactor DCL Measure the resistance between terminals 1ohm or lower almost 0 ohm Measure the resistance between terminals and the chassis Check point Row A Not to be short circuited Row B to Row E Installation direction Test button Row ...

Страница 342: ... the control box It takes about 10 minutes to discharge electricity after the power supply is turn off 2 The IPM on the inverter becomes damaged if there are loose screws are connectors If a problem occurs after replacing some of the parts mixed up wiring is often the cause of the problem Check for proper connection of the wiring screws connectors and Faston terminals 3 To avoid damage to the circ...

Страница 343: ...ource unit 2 Check if the inverter output wiring is not running parallel to the power supply wiring and the transmission lines 3 Check that the shielded wire is used as the transmission line when it is required and check that the grounding work is performed prop erly on the shielded wire 4 Meg failure for electrical system other than the inverter 5 Attach a ferrite core to the inverter output wiri...

Страница 344: ...istance value of 1 ohm 20 C 68 F Replace the compressor 3 Check wheth er the inverter is damaged No load 1 Disconnect the invert er output wire from the terminals of the INV board SC U SC V SC W 1 Inverter related problems are de tected Connect the short circuit connec tor to CN6 and go to section 1 2 Disconnect the short circuit connector from CN6 on the INV board 2 Inverter voltage is not output...

Страница 345: ...erminals on the power terminal block TB1 Zero to several ohm or Meg failure Check each part and wiring Refer to 5 Simple checking procedures for individual components of main inverter circuit IGBT module Rush current protection resistor Electromagnetic relay DC reactor 3 Turn on the power again and check again 1 Main power breaker trip 2 No remote control display 4 Turn on the heat source unit and...

Страница 346: ...Disconnect all the wiring connected the INV board and make the measurement 2 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 applied volt age is low Use a low range tester if possible A more accurate resistance c...

Страница 347: ... P1 FT N SC L1 SC L2 SC L3 Red SC P1 5 200 ohm 5 200 ohm 5 200 ohm FT N SC L1 5 200 ohm SC L2 5 200 ohm SC L3 5 200 ohm Black SC P2 FT N SC U SC V SC W Red SC P2 5 200 ohm 5 200 ohm 5 200 ohm FT N SC U 5 200 ohm SC V 5 200 ohm SC W 5 200 ohm SC U SC W SC V FT N SC P1 SC P2 SC L1 SC L2 SC L3 YHMU A ...

Страница 348: ...nal block for MA remote controller Terminal block for transmission line connection DC 17 30 V AC 208 230 V Terminal block for power source TB1 Noise filter Noise filter Fuse Fuse Fuse LEV Surge protection INV board Control board 63H1 72C DCL DC DC converter Detection circuit for the power supply to the transmission line M NET board DC DC converter Microcomputer Microcomputer 5 V Power supply 18VPo...

Страница 349: ...onnection Check for shorted transmission line for centralized control Replace the control board Check the voltage between No 1 and No 2 pins of the CN102 on the power supply board for the transmission line Check the voltage between No 1 and No 3 pins of the CNDC on the INV board Check the voltage between SC P1 and TB N on the INV board Check the voltages among SC R SC S and SC T on the INV board C...

Страница 350: ...DC 17 30 V AC 460V Terminal block for power source TB1 Noise filter Noise filter Fuse Fuse Fuse 72C LEV Surge protection INV board Control board 63H1 72C DCL DC DC converter Detection circuit for the power supply to the transmission line M NET board DC DC converter Microcomputer Microcomputer 5 V Power supply 18VPowersupply 12V Power supply AC460V AC230V AC230V 30 V Power supply Relay drive circui...

Страница 351: ...eplace the noise filter Replace the noise filter Replace the M NET board Connect the noise filter CN4 and then turn the power on Replace the control board Replace the noise filter Replace the noise filter Replace the control board Fuse F4 on the noise filter board is blown Fuse F4 on the noise filter board is blown Disconnect the noise filters CN4 and CN5 and then replace fuse F4 on the noise filt...

Страница 352: ...ce unit control board 1 When Tc TH6 is 10 C 18 F or more See the next item 3 2 When Tc TH6 is less than 10 C 18 F After the compressor stops collect the refrigerant inside the system repair the leak perform evacuation and recharge new refrigerant Leak spot 4 In the case of heat source unit handle in the same way as heating season 3 Stop all the indoor units and stop the compressor 1 To stop all th...

Страница 353: ... indoor unit Do not discharge refrigerant into air into the atmosphere when it is collected 5 Repair the leak 6 After repairing the leak perform evacuation 1 of the extension pipe for the indoor unit and open the service valves BV1 and BV2 to adjust refrigerant 4 Leak spot In the case of heat source unit Heating season PQHY 1 Collect the refrigerant in the entire system heat source unit extended p...

Страница 354: ...case of heat source unit Cooling season PQRY 1 Run all the indoor units in the cooling test run mode 1 To run the indoor unit in test run mode turn SW3 2 from ON to OFF when SW3 1 on the heat source control board is ON 2 Change the setting of the remote controller for all the indoor units to the cooling mode 3 Check that all the indoor units are performing a cooling operation 2 Check the SC16 valu...

Страница 355: ...V2 4 Collect the refrigerant that remains inside the indoor unit Do not discharge refrigerant into air into the atmosphere when it is collected 5 Repair the leak 6 After repairing the leak perform evacuation of the extension pipe 1 for the indoor unit and open the ball valves BV1 and BV2 to adjust refrigerant 8 Leak spot In the case of heat source unit Heating season PQRY 1 Collect the refrigerant...

Страница 356: ...elow Steps 1 through 5 to remove the compressor components and replace the compressor Reassemble them in the reverse order after replacing the compressor 1 Remove the service panel front panels 3 Remove the wires that are secured to the frame and remove the frame Electric wiring Frame Service panel Control box 2 Remove the control box ...

Страница 357: ...material on the accumulator and pipe covers on the pipe and water heat exchanger out of the way or protect them from the brazing flame then debraze the pipe and replace the compressor Acoustic insulation on the compressor Thermal insulation on the accumulator Pipe cover on the water heat exchanger Belt heater Wiring adjacent to the compressor 4 5 ...

Страница 358: ...lace in a reversed procedures of 1 3 on the next page after replacing service parts 1 Water cooled heat exchanger assembly replacement procedures Removal procedures Remove the duct solenoid valve block support and INV heat exchanger support Hand the solenoid valve block support with wire from the beam so that it will not fall Remove the fastening plate and the screws holding the water cooled heat ...

Страница 359: ... here Beam If the compressor is accessible by removing the rear service panel it may facilitate compressor replacement Remove the duct solenoid valve block support and INV heat exchanger support Pull the water heat exchanger out forward Suspend the solenoid valve block from the beam with wire so it will not fall Refer to the figure below at right Remove the water heat exchanger mounting bracket an...

Страница 360: ...e Screw the screws back on Remove the brazing flux 2 places Remove the check valve CV8 elbow and the pipe shown in the figure below at left by removing the brazing flux from the sections that are indicated with arrows Check valve CV8 Elbow Before removal Section of the pipe to be removed After removal Notes on replacing the check valve assembly Braze the pipes under a nitrogen purge to prevent oxi...

Страница 361: ...e figure above in the middle braze the connecting pipe that is included in the service parts kit to the check valve assembly 4 Screw the screws back on 36mm 2 Depending on the manufacturing period the section of the pipe that is circled in the figure below at left after the brazing flux is removed comes in two types If the pipe end looks like the one in the figure below in the middle Pipe type A c...

Страница 362: ... and remove the ceiling panel Work procedure Explanatory figure 1 To check the inside of the control box remove the two lock nuts on the control box cover 1 Check the terminal connection of the power wire or of the transmission line 2 Check the transformer 3 Check the address switch 2 When the control board is replaced the followings must be noted 1 Check that the board type is G GA or GB HB 2 Che...

Страница 363: ...lace the temperature sensor with the new one 4 Connect the lead wire of the temperature sensor se curely 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 pres...

Страница 364: ...ts Work procedure Explanatory figure 1 Remove the service panel Refer to 1 1 3 2 Remove the connector of the solenoid valve in trou ble 3 Remove the solenoid valve coil 1 The coils on the solenoid valves SVA SVB SVM1 and SVM2 can be serviced through the inspection door SVC is accessible for replacement by removing the four mounting screws on the rear panel and removing the panel if enough space is...

Страница 365: ...t CNDC disconnected there is a problem with the wiring to those connectors or with the connectors themselves 3 If nothing appears on the display under item 2 above AND the voltage between pins 1 and 3 of CNDC is within the range between 220 VDC and 380 VDC control board failure is suspected 3 Only the software version appears on the LED display 1 Only the software version appears while the transmi...

Страница 366: ... 357 HWE09080 GB X LED Monitor Display on the Heat source Unit Board 1 How to Read the LED on the Service Monitor 359 ...

Страница 367: ... 358 ...

Страница 368: ...tems can be checked by making the switch setting that corresponds to No 517 in the LED display table Only item No 1 Software Version appears on the display if there is a wiring failure between the control board and the trans mission line power supply board or if the circuit board has failed 1 Display of numerical values Example When the pressure data sensor reads 18 8kg cm2 Item No 58 The unit of ...

Страница 369: ...he 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 G B 50A adjusts the time once a day When the system controller is connected the time will be automatically updated to the correct current time after the t...

Страница 370: ...luding IC and BC 0000 to 9999 Address and error codes highlighted B If no errors are detected appears on the dis play 3 1100000000 Relay out put display 2 Top 21S4a CH11 SV1a A A Bottom 4 0010000000 Relay out put display 3 Top SV4a SV4b SV4d SV9 Power sup ply for indoor transmis sion line A A Bottom SV7a SV7b 5 1010000000 6 0110000000 7 1110000000 Special control Retry opera tion Emergency operati...

Страница 371: ...t No 21 Unit No 22 Unit No 23 Unit No 24 Bottom Unit No 25 Unit No 26 Unit No 27 Unit No 28 Unit No 29 Unit No 30 Unit No 31 Unit No 32 18 0100100000 Top Unit No 33 Unit No 34 Unit No 35 Unit No 36 Unit No 37 Unit No 38 Unit No 39 Unit No 40 Bottom Unit No 41 Unit No 42 Unit No 43 Unit No 44 Unit No 45 Unit No 46 Unit No47 Unit No 48 19 1100100000 Top Unit No 49 Unit No 50 Bottom 20 0010100000 Ind...

Страница 372: ...No47 Unit No 48 27 1101100000 Top Unit No 49 Unit No 50 Bottom 28 0011100000 29 1011100000 30 0111100000 31 1111100000 32 0000010000 33 1000010000 34 0100010000 35 1100010000 36 0010010000 37 1010010000 BC operation mode Cooling only ON Cooling only OFF Heating only ON Heating only OFF Mixed mode ON Mixed mode OFF Fan Stop B 38 0110010000 39 1110010000 Heat source unit Opera tion mode Permissible ...

Страница 373: ...0 56 0001110000 THHS1 99 9 to 999 9 A A The unit is C 57 1001110000 THBOX 99 9 to 999 9 A A 58 0101110000 High pressure sensor data 99 9 to 999 9 A A The unit is kgf cm 2 59 1101110000 Low pressure sensor data 99 9 to 999 9 A A 60 0011110000 61 1011110000 62 0111110000 63 1111110000 64 0000001000 65 1000001000 66 0100001000 67 1100001000 68 0010001000 69 1010001000 70 0110001000 71 1110001000 Curr...

Страница 374: ...9999 B Control data Hz 87 1110101000 Total frequency of each unit 0000 to 9999 A A 88 0001101000 COMP frequency 0000 to 9999 A A 89 1001101000 90 0101101000 91 1101101000 Comp operating fre quency 0000 to 9999 A A Unit in rsp The inverter output current voltage frequency will equal the integer multiples of the operating frequency of the compressor 92 0011101000 93 1011101000 All AK OC OS 0000 to 9...

Страница 375: ...001011000 106 0101011000 107 1101011000 108 0011011000 COMP operating cur rent DC 00 0 to 999 9 A A Peak value A 109 1011011000 110 0111011000 111 1111011000 COMP bus voltage 00 0 to 999 9 A A The unit is V 112 0000111000 113 1000111000 114 0100111000 115 1100111000 116 0010111000 Number of times the unit went into the mode to remedy wet vapor suction 0000 to 9999 B Current data No SW1 Item Displa...

Страница 376: ...control 122 0101111000 123 1101111000 COMP number of start stop events Upper 4 digits 0000 to 9999 A A Count up at start up The unit is Time 124 0011111000 COMP number of start stop events Lower 4 digits 0000 to 9999 A A 125 1011111000 126 0111111000 127 1111111000 128 0000000100 129 1000000100 Integrated operation time of compressor for rotation purpose 0000 to 9999 B The unit is h 130 0100000100...

Страница 377: ... SVB15 SVC15 SVA16 SVB16 SVC16 137 1001000100 138 0101000100 Relay out put display BC Sub1 Top SVA1 SVB1 SVC1 SVA2 SVB2 SVC2 B Bottom SVA3 SVB3 SVC3 SVA4 SVB4 SVC4 139 1101000100 Top SVA5 SVB5 SVC5 SVA6 SVB6 SVC6 B Bottom SVA7 SVB7 SVC7 SVA8 SVB8 SVC8 140 0011000100 Top SVA9 SVB9 SVC9 SVA10 SVB10 SVC10 B Bottom SVA11 SVB11 SVC11 SVA12 SVB12 SVC12 141 1011000100 Top SVA13 SVB13 SVC13 SVA14 SVB14 SV...

Страница 378: ...9 B 152 0001100100 BC Main TH16 99 9 to 999 9 B 153 1001100100 BC Main PS1 99 9 to 999 9 B 154 0101100100 BC Main PS3 99 9 to 999 9 B 155 1101100100 BC Main SC11 99 9 to 999 9 B 156 0011100100 BC Main SH12 99 9 to 999 9 B 157 1011100100 BC Main SH13 99 9 to 999 9 B 158 0111100100 BC Main SC16 99 9 to 999 9 B 159 1111100100 BC Main LEV1 0000 to 2000 B LEV1 opening Fully open 2000 160 0000010100 BC ...

Страница 379: ...10100 BC Main LEV2 0000 to 2000 B LEV2 opening Fully open 2000 168 0001010100 169 1001010100 170 0101010100 171 1101010100 172 0011010100 173 1011010100 174 0111010100 175 1111010100 176 0000110100 177 1000110100 Current data No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS is displayed individually B The condition of the ...

Страница 380: ...verter Error details of inverter 0001 0120 A A 188 0011110100 Error history 6 0000 to 9999 B B 189 1011110100 Error details of inverter Error details of inverter 0001 0120 A A 190 0111110100 Error history 7 0000 to 9999 B B 191 1111110100 Error details of inverter Error details of inverter 0001 0120 A A 192 0000001100 Error history 8 0000 to 9999 B B 193 1000001100 Error details of inverter Error ...

Страница 381: ...001100 Heat source unit Opera tion mode Permissible stop Standby Cooling Cooling main Heating Heating main A A 206 0111001100 207 1111001100 208 0000101100 Heat source unit control mode Stop Thermo OFF Abnormal stop Scheduled control Initial start up Oil balance Low fre quency oil recovery A A 209 1000101100 Refrigerant recovery A A 210 0100101100 211 1100101100 Relay output display 1 Lighting Com...

Страница 382: ...27 1100011100 THHS1 99 9 to 999 9 A A The unit is C 228 0010011100 THBOX 99 9 to 999 9 A A 229 1010011100 High pressure sensor data 99 9 to 999 9 A A The unit is kgf cm 2 230 0110011100 Low pressure sensor data 99 9 to 999 9 A A 231 1110011100 232 0001011100 233 1001011100 234 0101011100 235 1101011100 236 0011011100 237 1011011100 238 0111011100 239 1111011100 240 0000111100 241 1000111100 242 01...

Страница 383: ...000000010 257 1000000010 Total frequencies OC OS 0000 to 9999 B Control data Hz 258 0100000010 Total frequency of each unit 0000 to 9999 A A 259 1100000010 COMP frequency 0000 to 9999 A A 260 0010000010 261 1010000010 262 0110000010 Comp operating fre quency 0000 to 9999 A A Unit in rps 263 1110000010 264 0001000010 All AK OC OS 0000 to 9999 B 265 1001000010 AK 0000 to 9999 A A 266 0101000010 267 ...

Страница 384: ... operating cur rent DC 00 0 to 999 9 A A Peak value A 280 0001100010 281 1001100010 282 0101100010 COMP bus voltage 00 0 to 999 9 A A The unit is V 283 1101100010 284 0011100010 285 1011100010 286 0111100010 287 1111100010 288 0000010010 COMP Operation time Upper 4 digits 0000 to 9999 A A The unit is h 289 1000010010 COMP Operation time Lower 4 digits 0000 to 9999 A A 290 0100010010 291 1100010010...

Страница 385: ...f start stop events Lower 4 digits 0000 to 9999 A A 296 0001010010 297 1001010010 298 0101010010 299 1101010010 300 0011010010 Integrated operation time of compressor for rotation purpose 0000 to 9999 B The unit is h Error history No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS is displayed individually B The condition of...

Страница 386: ...0110010 310 0110110010 311 1110110010 312 0001110010 313 1001110010 314 0101110010 315 1101110010 316 0011110010 317 1011110010 318 0111110010 319 1111110010 320 0000001010 BC Main TH11 99 9 to 999 9 B 321 1000001010 BC Main TH12 99 9 to 999 9 B 322 0100001010 BC Main TH15 99 9 to 999 9 B 323 1100001010 BC Main TH16 99 9 to 999 9 B 324 0010001010 BC Main PS1 99 9 to 999 9 B 325 1010001010 BC Main ...

Страница 387: ... to 999 9 B 336 0000101010 BC Sub2 TH25 99 9 to 999 9 B 337 1000101010 BC Sub2 LEV3 0000 to 2000 B 338 0100101010 BC Main LEV2 0000 to 2000 B 339 1100101010 340 0010101010 341 1010101010 342 0110101010 343 1110101010 344 0001101010 345 1001101010 346 0101101010 347 1101101010 348 0011101010 349 1011101010 350 0111101010 Current data No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4...

Страница 388: ...ress capacity code 0000 to 9999 0000 to 9999 358 0110011010 IC8 Address capacity code 0000 to 9999 0000 to 9999 359 1110011010 IC9 Address capacity code 0000 to 9999 0000 to 9999 360 0001011010 IC10 Address capacity code 0000 to 9999 0000 to 9999 361 1001011010 IC11 Address capacity code 0000 to 9999 0000 to 9999 362 0101011010 IC12 Address capacity code 0000 to 9999 0000 to 9999 363 1101011010 IC...

Страница 389: ...ity code 0000 to 9999 0000 to 9999 382 0111111010 IC32 Address capacity code 0000 to 9999 0000 to 9999 383 1111111010 IC33 Address capacity code 0000 to 9999 0000 to 9999 384 0000000110 IC34 Address capacity code 0000 to 9999 0000 to 9999 385 1000000110 IC35 Address capacity code 0000 to 9999 0000 to 9999 386 0100000110 IC36 Address capacity code 0000 to 9999 0000 to 9999 387 1100000110 IC37 Addre...

Страница 390: ...pacity code 0000 to 9999 0000 to 9999 401 1000100110 402 0100100110 403 1100100110 404 0010100110 405 1010100110 406 0110100110 407 1110100110 408 0001100110 IC1 Suction temperature 99 9 to 999 9 B The unit is C 409 1001100110 IC2 Suction temperature 99 9 to 999 9 410 0101100110 IC3 Suction temperature 99 9 to 999 9 411 1101100110 IC4 Suction temperature 99 9 to 999 9 Data on indoor unit system No...

Страница 391: ...ature 99 9 to 999 9 424 0001010110 IC17 Suction temperature 99 9 to 999 9 425 1001010110 IC18 Suction temperature 99 9 to 999 9 426 0101010110 IC19 Suction temperature 99 9 to 999 9 427 1101010110 IC20 Suction temperature 99 9 to 999 9 428 0011010110 IC21 Suction temperature 99 9 to 999 9 429 1011010110 IC22 Suction temperature 99 9 to 999 9 430 0111010110 IC23 Suction temperature 99 9 to 999 9 43...

Страница 392: ...99 9 450 0100001110 IC43 Suction temperature 99 9 to 999 9 451 1100001110 IC44 Suction temperature 99 9 to 999 9 452 0010001110 IC45 Suction temperature 99 9 to 999 9 453 1010001110 IC46 Suction temperature 99 9 to 999 9 454 0110001110 IC47 Suction temperature 99 9 to 999 9 455 1110001110 IC48 Suction temperature 99 9 to 999 9 456 0001001110 IC49 Suction temperature 99 9 to 999 9 457 1001001110 IC...

Страница 393: ...rature 99 9 to 999 9 478 0111101110 IC21 Liquid pipe temperature 99 9 to 999 9 479 1111101110 IC22 Liquid pipe temperature 99 9 to 999 9 480 0000011110 IC23 Liquid pipe temperature 99 9 to 999 9 481 1000011110 IC24 Liquid pipe temperature 99 9 to 999 9 482 0100011110 IC25 Liquid pipe temperature 99 9 to 999 9 483 1100011110 IC26 Liquid pipe temperature 99 9 to 999 9 484 0010011110 IC27 Liquid pipe...

Страница 394: ...111110 IC43 Liquid pipe temperature 99 9 to 999 9 501 1010111110 IC44 Liquid pipe temperature 99 9 to 999 9 502 0110111110 IC45 Liquid pipe temperature 99 9 to 999 9 503 1110111110 IC46 Liquid pipe temperature 99 9 to 999 9 504 0001111110 IC47 Liquid pipe temperature 99 9 to 999 9 505 1001111110 IC48 Liquid pipe temperature 99 9 to 999 9 506 0101111110 IC49 Liquid pipe temperature 99 9 to 999 9 50...

Страница 395: ...ddress Count up display of number of connected units B 515 1100000001 BC BS TU address Count up display of number of connected units B 516 0010000001 OS address Count up display of number of connected units B 517 1010000001 Version Capacity S W version Refrigerant type Model and capacity Communication address A A 518 0110000001 OC address OC address display B 519 1110000001 520 0001000001 521 1001...

Страница 396: ...110100001 IC12 Gas pipe temperature 99 9 to 999 9 535 1110100001 IC13 Gas pipe temperature 99 9 to 999 9 536 0001100001 IC14 Gas pipe temperature 99 9 to 999 9 537 1001100001 IC15 Gas pipe temperature 99 9 to 999 9 538 0101100001 IC16 Gas pipe temperature 99 9 to 999 9 539 1101100001 IC17 Gas pipe temperature 99 9 to 999 9 540 0011100001 IC18 Gas pipe temperature 99 9 to 999 9 541 1011100001 IC19 ...

Страница 397: ...559 1111010001 IC37 Gas pipe temperature 99 9 to 999 9 560 0000110001 IC38 Gas pipe temperature 99 9 to 999 9 561 1000110001 IC39 Gas pipe temperature 99 9 to 999 9 562 0100110001 IC40 Gas pipe temperature 99 9 to 999 9 563 1100110001 IC41 Gas pipe temperature 99 9 to 999 9 564 0010110001 IC42 Gas pipe temperature 99 9 to 999 9 565 1010110001 IC43 Gas pipe temperature 99 9 to 999 9 566 0110110001 ...

Страница 398: ... 999 9 583 1110001001 IC11SH 99 9 to 999 9 584 0001001001 IC12SH 99 9 to 999 9 585 1001001001 IC13SH 99 9 to 999 9 586 0101001001 IC14SH 99 9 to 999 9 587 1101001001 IC15SH 99 9 to 999 9 588 0011001001 IC16SH 99 9 to 999 9 589 1011001001 IC17SH 99 9 to 999 9 590 0111001001 IC18SH 99 9 to 999 9 591 1111001001 IC19SH 99 9 to 999 9 592 0000101001 IC20SH 99 9 to 999 9 593 1000101001 IC21SH 99 9 to 999...

Страница 399: ...9 9 611 1100011001 IC39SH 99 9 to 999 9 612 0010011001 IC40SH 99 9 to 999 9 613 1010011001 IC41SH 99 9 to 999 9 614 0110011001 IC42SH 99 9 to 999 9 615 1110011001 IC43SH 99 9 to 999 9 616 0001011001 IC44SH 99 9 to 999 9 617 1001011001 IC45SH 99 9 to 999 9 618 0101011001 IC46SH 99 9 to 999 9 619 1101011001 IC47SH 99 9 to 999 9 620 0011011001 IC48SH 99 9 to 999 9 621 1011011001 IC49SH 99 9 to 999 9 ...

Страница 400: ... 999 9 633 1001111001 IC11SC 99 9 to 999 9 634 0101111001 IC12SC 99 9 to 999 9 635 1101111001 IC13SC 99 9 to 999 9 636 0011111001 IC14SC 99 9 to 999 9 637 1011111001 IC15SC 99 9 to 999 9 638 0111111001 IC16SC 99 9 to 999 9 639 1111111001 IC17SC 99 9 to 999 9 640 0000000101 IC18SC 99 9 to 999 9 641 1000000101 IC19SC 99 9 to 999 9 642 0100000101 IC20SC 99 9 to 999 9 643 1100000101 IC21SC 99 9 to 999...

Страница 401: ...9SC 99 9 to 999 9 662 0110100101 IC40SC 99 9 to 999 9 663 1110100101 IC41SC 99 9 to 999 9 664 0001100101 IC42SC 99 9 to 999 9 665 1001100101 IC43SC 99 9 to 999 9 666 0101100101 IC44SC 99 9 to 999 9 667 1101100101 IC45SC 99 9 to 999 9 668 0011100101 IC46SC 99 9 to 999 9 669 1011100101 IC47SC 99 9 to 999 9 670 0111100101 IC48SC 99 9 to 999 9 671 1111100101 IC49SC 99 9 to 999 9 672 0000010101 IC50SC ...

Страница 402: ...7 LD8 OC OS 676 0010010101 INV board S W version 0 00 to 99 99 A A 677 1010010101 678 0110010101 679 1110010101 680 0001010101 681 1001010101 682 0101010101 683 1101010101 684 0011010101 685 1011010101 686 0111010101 687 1111010101 1 A The condition of either OC or OS is displayed individually B The condition of the entire refrigerant system is displayed ...

Страница 403: ...0101 Time of error detection 3 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 696 0001110101 Time of error detection 4 00 00 to 23 59 Hour minute 697 1001110101 Time of error detection 4 2 00 00 to 99 12 1 to 31 Year and month and date alternate 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 ...

Страница 404: ...or detection 9 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 708 0010001101 Time of error detection 10 00 00 to 23 59 Hour minute 709 1010001101 Time of error detection 10 2 00 00 to 99 12 1 to 31 Year and month and date alternate display 710 0110001101 Time of last data backup be fore error 00 00 to 23 59 Hour minute 711 1110001101 Time of last data backup be fore error 2 00 ...

Страница 405: ...opening 0000 to 9999 725 1010101101 IC12 LEV opening 0000 to 9999 726 0110101101 IC13 LEV opening 0000 to 9999 727 1110101101 IC14 LEV opening 0000 to 9999 728 0001101101 IC15 LEV opening 0000 to 9999 729 1001101101 IC16 LEV opening 0000 to 9999 730 0101101101 IC17 LEV opening 0000 to 9999 731 1101101101 IC18 LEV opening 0000 to 9999 732 0011101101 IC19 LEV opening 0000 to 9999 733 1011101101 IC20...

Страница 406: ... 752 0000111101 IC39 LEV opening 0000 to 9999 753 1000111101 IC40 LEV opening 0000 to 9999 754 0100111101 IC41 LEV opening 0000 to 9999 755 1100111101 IC42 LEV opening 0000 to 9999 756 0010111101 IC43 LEV opening 0000 to 9999 757 1010111101 IC44 LEV opening 0000 to 9999 758 0110111101 IC45 LEV opening 0000 to 9999 759 1110111101 IC46 LEV opening 0000 to 9999 760 0001111101 IC47 LEV opening 0000 to...

Страница 407: ... the right LD5 LD8 display port address Displayed alternately ev ery five seconds 765 1011111101 IC2 Operation mode 766 0111111101 IC3Operation mode 767 1111111101 IC4 Operation mode 768 0000000011 IC5 Operation mode Data on indoor unit system No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS is displayed individually B The...

Страница 408: ...00011 IC16 Operation mode 780 0011000011 IC17 Operation mode 781 1011000011 IC18 Operation mode 782 0111000011 IC19 Operation mode 783 1111000011 IC20 Operation mode 784 0000100011 IC21 Operation mode 785 1000100011 IC22 Operation mode 786 0100100011 IC23 Operation mode 787 1100100011 IC24 Operation mode 788 0010100011 IC25 Operation mode 789 1010100011 IC26 Operation mode 790 0110100011 IC27 Oper...

Страница 409: ...11 IC45 Operation mode 809 1001010011 IC46 Operation mode 810 0101010011 IC47 Operation mode 811 1101010011 IC48 Operation mode 812 0011010011 IC49 Operation mode 813 1011010011 IC50 Operation mode 814 0111010011 IC1 filter 0000 to 9999 B Hours since last mainte nance h 815 1111010011 IC2 filter 0000 to 9999 816 0000110011 IC3 filter 0000 to 9999 817 1000110011 IC4 filter 0000 to 9999 818 01001100...

Страница 410: ...01011 IC25 filter 0000 to 9999 839 1110001011 IC26 filter 0000 to 9999 840 0001001011 IC27 filter 0000 to 9999 841 1001001011 IC28 filter 0000 to 9999 842 0101001011 IC29 filter 0000 to 9999 843 1101001011 IC30 filter 0000 to 9999 844 0011001011 IC31 filter 0000 to 9999 845 1011001011 IC32 filter 0000 to 9999 846 0111001001 IC33 filter 0000 to 9999 847 1111001011 IC34 filter 0000 to 9999 848 00001...

Страница 411: ...00 to 9999 858 0101101011 IC45 filter 0000 to 9999 859 1101101011 IC46 filter 0000 to 9999 860 0011101011 IC47 filter 0000 to 9999 861 1011101011 IC48 filter 0000 to 9999 862 0111101011 IC49 filter 0000 to 9999 863 1111101011 IC50 filter 0000 to 9999 Data on indoor unit system No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or ...

Страница 412: ...01011011 W phase current effec tive value 1 99 9 to 999 9 A A 873 1001011011 Power factor phase an gle 1 99 9 to 999 9 A A The unit is deg 874 0101011011 875 1101011011 876 0011011011 877 1011011011 878 0111011011 879 1111011011 880 0000111011 Control board Reset counter 0 to 254 A A The unit is time 881 1000111011 INV board Reset counter 0 to 254 A A 882 0100111011 883 1100111011 884 0010111011 8...

Страница 413: ... 899 1100000111 900 0010000111 901 1010000111 902 0110000111 903 1110000111 904 0001000111 905 1001000111 906 0101000111 907 1101000111 1020 0011111111 1021 1011111111 1022 0111111111 1023 1111111111 Other types of data No SW1 Item Display Unit A B 1 Remarks 1234567890 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 OC OS 1 A The condition of either OC or OS is displayed individually B The condition of the entire...

Страница 414: ......

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