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Daikin BPMK928B42, Service Manual

Introducing the Daikin BPMK928B42 Service Manual – the ultimate user guide for maximizing the benefits of this exceptional product. Download the comprehensive manual for free from manualshive.com, where you'll find step-by-step instructions, troubleshooting tips, and valuable insights to ensure seamless operation and lasting performance.

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Wiring Diagrams

Si18-201

374

Appendix

2.2

BP Units

BPMK928B42

BPMK928B43

1

2

TO INDOOR UNITS

PCB

:PRINTED CIRCUIT BOARD

FU1~3

:FUSE

H1P~H6P :PILOT LAMP
R1T~R4T :THERMISTOR

1

1

2

2

3

3

X3M

X2M

1

1

3

2

2

3

H1

TRANSMISSION CIRCUIT

TRANSMISSION CIRCUIT

GRN/YLW

3.15A

3.15A

FU2

FU3

S1~S3,S5 :CONNECTOR

T1

:TRANSFORMAR

X1M~X3M :TERMINAL STRIP

PCB

H2P

H4P

H3P

H5P

H1P

12

LED

LED

LED

LED

LED

-A

-3

-2

-4

-1

(DGB)

R4T

TRANSMISSION CIRCUIT

3.15A

BLU

FU1

(WHT)

(OUTDOOR UNIT)

t˚

S5

BLU

(DLB)

R3T

BLU

t˚

(DGA)

BLU

R2T

H6P

BLK

T1

t˚

BLK

(DLA)

R1T

BLK

LED

-B

1

t˚

BLU:

WHT:

BLK

(WHT)

(RED)

(BLU)

S1

S3

S2

Y1E~Y3E:ELECTRONIC

X1M

1

3

2

RED:

BLK:

EXPANSION VALVE

UNIT

FROM OUTDOOR

GRN:

Y1E

Y3E

Y2E

M

M

M

ROOM B

ROOM A

BYPASS

3D024655B

1

2

3

1

2

3

BYPASS

M

M

M

M

Y1E

Y3E

Y2E

Y4E

RED:
GRN:

UNIT

1

3

2

BLK:

YLW:

X1M

S1

S4

S3

S2

(BLU)

(RED)

(YLW)

(WHT)

BLK

t˚

BLU:

WHT:

1

-B

LED

BLK

R1T

(DLA)

BLK

t˚

T1

BLK

H6P

R2T

(DGA)

BLU

t˚

BLU

R3T

BLU

(DLB)

t˚

S5

(WHT)

BLU

FU1

3.15A

R4T

YL

W

(DGB)

t˚

YL

W

R5T

YL

W

t˚

(DLC)

-1

YL

W

-A

-4

-2

-3

LED

LED

LED

LED

LED

12

R6T

(DGC)

H1P

H5P

H4P

H3P

H2P

PCB

FU2

FU4

FU3

3.15A

3.15A

3.15A

GRN/YLW

H1

1

1

1

2

3

3

2

3

2

X4M

X3M

X2M

1

1

1

2

2

2

3

3

3

1

2

3

3D024654B

TO INDOOR UNITS

TRANSMISSION CIRCUIT

TRANSMISSION CIRCUIT

TRANSMISSION CIRCUIT

TRANSMISSION CIRCUIT

(OUTDOOR UNIT)

Y1E~Y4E:ELECTRONIC

EXPANSION VALVE

ROOM C

ROOM B

ROOM A

FROM OUTDOOR

PCB

:PRINTED CIRCUIT BOARD 

FU1~4

:FUSE

H1P~H6P :PILOT LAMP
R1T~R6T :THERMISTOR

S1~S5

:CONNECTOR

T1

:TRANSFORMAR

X1M~X4M :TERMINAL STRIP

Summary of Contents for BPMK928B42

Page 1: ...Si18 201 J Series Applied Models Super Multi Plus Cooling Only Super Multi Plus Heat Pump Service Manual ...

Page 2: ...YM03FAVAL CDX50JV1NB FLX50JV1B CDX60JV1NB FLX60JV1B CDX25JVEC CDX35JVEC Outdoor Unit RMX140JVMC9 RMX140JVMT9 RMX140JVMB RMX140JZVMB RMX140JVMC8 BP Unit BPMK928B42 BPMK928B43 Cooling Only Indoor Unit FTK25JVE9 FTKD50JVE CDK25HAVE FLK25HVE FHYC35KVE9 FTK35JVE9 FTKD60JVE CDK35HAVE FLK35HVE FHYC50KVE9 FTK25JVEA9 FTKD71JVE CDK50HAVE FLK50HVE FHYC60KVE9 FTK35JVEA9 FTKD50JVEA9 CDK60HAVE FLK60HVE FHYC71KV...

Page 3: ...he surplus refrigerant control function PART 5 5 EVL Liquid pipe motorized valve Page 103 105 6 EVG Gas pipe motorized valve 8 Capillary tube for gas purge 9 Check valve 10 Check valve PART 5 3 8 Defrost Operation Page 122 3 12 Peak Cut Control Page 128 3 23 Warm Up Function Page 141 3 27 Cooling Outdoor Unit SC Control Page 151 3 30 SH Control in Cooling Operation Page 157 3 31 SC Control in Heat...

Page 4: ...or Europe 52 Part 3 Printed Circuit Board Connector Wiring Diagram and Name 59 1 Printed Circuit Board Connector Wiring Diagram and Name 60 1 1 Branch Provider Unit BPMK928B42 B43 60 1 2 Outdoor Unit RMK X 140JVMT C 9 8 RMK140JAVM RMX140JVMB RMK X 140JZVMA B 61 1 3 FTK25 35J Series FTX25 35J Series FTXD25 35K Series FVX25 35K Series 64 1 4 FTK50 60HV Series FTKD50 71JV Series FTX50 60HV Series FTX...

Page 5: ...tion 130 3 15 Discharge Pipe Control 131 3 16 Input Current Control 132 3 17 Wet Protection Control I 135 3 18 Electric Parts Cooling and Electric Parts Fin Temperature Control 136 3 19 Differential Pressure Control 137 3 20 Year Round Cooling Only Function 138 3 21 Nighttime Low Noise Control 139 3 22 PI Control 140 3 23 Warm Up Function 141 3 24 Compressor Protection Control 142 3 25 Fan Control...

Page 6: ...4 Defrost Operation 185 1 15 All Room Operation Heating 186 1 16 Multi Room Operation with non Operating Room Unit Heating 187 1 17 Multi Room Operation Heating 188 1 18 1 Room Operation Indoor Unit with Large Capacity Heating 189 1 19 1 Room Operation Indoor Unit with Small Capacity 2 5 kW Heating 190 Part 7 Operations 191 1 Remote Controller 192 1 1 Wireless Remote Controller 192 1 2 Wired Remot...

Page 7: ...ider Unit Diagnosis LEDs 310 Part 10Removal Procedure 311 1 For BPMK928B42 43 312 1 1 Installation of Indoor Unit 312 1 2 Opening of Electrical Box Cover and Removal of PCB Mount 313 1 3 Removal of Motorized Valve 315 1 4 Removal of Thermistor 318 2 Outdoor Unit 320 2 1 Removal of Outer Panels 320 2 2 Removal of PCB and Electrical Box 321 2 3 Removal of Propeller Fans and Fan Motors 329 2 4 Remova...

Page 8: ...ents vii Part 12Appendix 359 1 Piping Diagrams 360 1 1 Outdoor Units 360 1 2 BP Units 362 1 3 Indoor Units 363 2 Wiring Diagrams 370 2 1 Outdoor Units 370 2 2 BP Units 374 2 3 Indoor Units 375 Index i Drawings Flow Charts v ...

Page 9: ...Si18 201 viii Table of Contents ...

Page 10: ...plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the dischargin...

Page 11: ...e applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipment If the installation site does not have sufficient strength...

Page 12: ...e valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it can generate toxic gases when it contacts flames such as fan and other heaters stoves and ranges When replacing the coin battery in the remote controller be sure to disposed of the old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor immedi...

Page 13: ...al shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 MΩ or higher Faulty insulation can cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor Icon Type of Information Description Note Note A note provides information th...

Page 14: ...ction List for General 2 1 2 Function List for China 3 1 3 Function List for Taiwan 4 1 4 Function List for Europe 5 1 5 Function List for Singapore Malaysia Indonesia 6 1 6 Function List for Australia 7 1 7 Function List for Europe 8 The RMK140JAVM specifications are special Refer to RMK140JAVM s important points on page ii for the changes in contents ...

Page 15: ... Filter Washable Grille Filter Cleaning Indicator Good Sleep Cooling Operation 72 Hour On Off Timer 24 Hour On Off Timer Night Set Mode Auto Restart after Power Failure Self Diagnosis Digital Display Self Diagnosis LED Display Wiring Error Check Anticorrosion Treatment of Outdoor Heat Exchanger Multi Split Split Type Compatible Indoor Unit High Ceiling Application Chargeless Wireless FHYC FDYM Opt...

Page 16: ...aning Indicator Good Sleep Cooling Operation 72 Hour On Off Timer 24 Hour On Off Timer Night Set Mode Auto Restart after Power Failure Self Diagnosis Digital Display Self Diagnosis LED Display Wiring Error Check Anticorrosion Treatment of Outdoor Heat Exchanger Multi Split Split Type Compatible Indoor Unit High Ceiling Application Chargeless Wireless FHYC FDYM Option Wired FHYC FDYM Option Group C...

Page 17: ...er Washable Grille Filter Cleaning Indicator Good Sleep Cooling Operation 72 Hour On Off Timer 24 Hour On Off Timer Night Set Mode Auto Restart after Power Failure Self Diagnosis Digital Display Self Diagnosis LED Display Wiring Error Check Anticorrosion Treatment of Outdoor Heat Exchanger Multi Split Split Type Compatible Indoor Unit High Ceiling Application Chargeless Wireless FHYC FDYM Option W...

Page 18: ...r Purifying Filter with Bacteriostatic Virustatic Deodorizing Functions Mold Proof Air Filter Washable Grille Filter Cleaning Indicator Good Sleep Cooling Operation 72 Hour On Off Timer 24 Hour On Off Timer Night Set Mode Auto Restart after Power Failure Self Diagnosis Digital Display Self Diagnosis LED Display Wiring Error Check Anticorrosion Treatment of Outdoor Heat Exchanger Multi Split Split ...

Page 19: ...ndoor Unit On Off Switch Air Purifying Filter with Bacteriostatic Virustatic Deodorizing Functions Mold Proof Air Filter Washable Grille Filter Cleaning Indicator Good Sleep Cooling Operation 72 Hour On Off Timer 24 Hour On Off Timer Night Set Mode Auto Restart after Power Failure Self Diagnosis Digital Display Self Diagnosis LED Display Wiring Error Check Anticorrosion Treatment of Outdoor Heat E...

Page 20: ...er Washable Grille Filter Cleaning Indicator Good Sleep Cooling Operation 72 Hour On Off Timer 24 Hour On Off Timer Night Set Mode Auto Restart after Power Failure Self Diagnosis Digital Display Self Diagnosis LED Display Wiring Error Check Anticorrosion Treatment of Outdoor Heat Exchanger Multi Split Split Type Compatible Indoor Unit High Ceiling Application Chargeless Wireless FHYC FDYM Option W...

Page 21: ...ir Purifying Filter with Bacteriostatic Virustatic Deodorizing Functions Mold Proof Air Filter Washable Grille Filter Cleaning Indicator Good Sleep Cooling Operation 72 Hour On Off Timer 24 Hour On Off Timer Night Set Mode Auto Restart after Power Failure Self Diagnosis Digital Display Self Diagnosis LED Display Wiring Error Check Anticorrosion Treatment of Outdoor Heat Exchanger Multi Split Split...

Page 22: ...cations 1 Specifications 10 1 1 Outdoor Units 10 1 2 BP Units 18 1 3 Indoor Units for General 19 1 4 Indoor Units for China 34 1 5 Indoor Units for Taiwan 43 1 6 Indoor Units for Europe 52 The RMK140JAVM specifications are special Refer to RMK140JAVM s important points on page ii for the changes in contents ...

Page 23: ... 8 Lower Side H 81 3 L 68 8 Power Factor 100 Starting Current A 29 0 Dimensions H W D mm 1 345 880 320 Package Dimensions mm 918 394 1 397 Weight kg 134 Gross Weight kg 143 Operation Sound dBA 53 Piping Connection Liquid mm φ 9 5 Flare Connection Gas mm φ19 1 Flare Connection Drain mm φ18 Heat Insulation Both Liquid and Gas Pipes No of Wiring Connection 3 for Power Supply 4 for Interunit Wiring In...

Page 24: ...tor 100 Starting Current A 29 0 Dimensions H W D mm 1 345 880 320 Package Dimensions mm 918 394 1 397 Weight kg 134 Gross Weight kg 143 Operation Sound dBA 53 Piping Connection Liquid mm φ 9 5 Flare Connection Gas mm φ19 1 Flare Connection Drain mm φ18 Heat Insulation Both Liquid and Gas Pipes No of Wiring Connection 3 for Power Supply 4 for Interunit Wiring Including Earth Wiring Max Interunit Pi...

Page 25: ...18 394 1 397 Weight kg 111 Gross Weight kg 120 Operation Sound dBA 50 Piping Connection Liquid mm φ9 5 Flare Connection Gas mm φ19 1 Flare Connection Drain mm φ18 Heat Insulation Both Liquid and Gas Pipes No of Wiring Connection 3 For Power Supply 4 For Interunit Wiring Max Interunit Piping Length m 110 Total Main Piping and Branch PIping 30 Total Main Piping 60 Total Branch Piping 20 Max Length f...

Page 26: ...Power Factor 100 Starting Current A 29 0 Dimensions H W D mm 1 345 880 320 Package Dimensions W D H mm 918 394 1 397 Weight kg 134 Gross Weight kg 143 Operation Sound dBA 53 Piping Connection Liquid mm φ9 5 Flare Connection Gas mm φ19 1 Flare Connection Drain mm φ18 Heat Insulation Both Liquid and Gas Pipes No of Wiring Connection 3 For Power Supply 4 For Interunit Wiring Included Earth Wiring Max...

Page 27: ...L 68 8 Power Factor 100 Starting Current A 29 0 Dimensions H W D mm 1 345 880 320 Package Dimensions mm 918 394 1 397 Weight kg 136 Gross Weight kg 145 Operation Sound dBA 53 Piping Connection Liquid mm φ 9 5 Flare Connection Gas mm φ19 1 Flare Connection Drain mm φ18 Heat Insulation Both Liquid and Gas Pipes No of Wiring Connection 3 for Power Supply 4 for Interunit Wiring Including Earth Wiring ...

Page 28: ...tor 100 Starting Current A 29 0 Dimensions H W D mm 1 345 880 320 Package Dimensions mm 918 394 1 397 Weight kg 136 Gross Weight kg 145 Operation Sound dBA 53 Piping Connection Liquid mm φ9 5 Flare Connection Gas mm φ19 1 Flare Connection Drain mm φ18 Heat Insulation Both Liquid and Gas Pipes No of Wiring Connection 3 for Power Supply 4 for Interunit Wiring Including Earth Wiring Max Interunit Pip...

Page 29: ...r 100 Starting Current A 29 0 Dimensions H W D mm 1 345 880 320 Package Dimensions W D H mm 918 394 1 397 Weight kg 136 Gross Weight kg 145 Operation Sound dBA 53 Piping Connection Liquid mm φ9 5 Flare Connection Gas mm φ19 1 Flare Connection Drain mm φ18 Heat Insulation Both Liquid and Gas Pipes No of Wiring Connection 3 For Power Supply 4 For Interunit Wiring Included Earth Wiring Max Interunit ...

Page 30: ... 8 Power Factor 100 Starting Current A 29 0 Dimensions H W D mm 1 345 880 320 Package Dimensions W D H mm 918 394 1 397 Weight kg 136 Gross Weight kg 145 Operation Sound dBA 53 Piping Connection Liquid mm φ9 5 Flare Connection Gas mm φ19 1 Flare Connection Drain mm φ18 Heat Insulation Both Liquid and Gas Pipes No of Wiring Connection 3 For Power Supply 4 For Interunit Wiring Included Earth Wiring ...

Page 31: ...05 0 05 Refrigerant Type Charge kg Dimensions H W D mm 223 400 272 Package Dimensions mm 651 342 281 Machine Weight kg 7 8 Gross Weight kg 10 11 Number of Wiring Connections 4 for Interunit Wiring Piping Connection Brazing Liquid mm Main φ9 5 1 Branch φ6 4 2 Main φ9 5 1 Branch φ6 4 3 Gas mm Main φ19 1 1 Branch φ15 9 2 Main φ19 1 1 Branch φ15 9 3 Drain mm Drain Processingless Heat Insulation Both L...

Page 32: ... 11 Operation Sound dBA H 37 M 34 L 30 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm φ6 4 Gas mm φ9 5 Drain mm φ18 0 Drawing No 3D029316 3D029314 3 5kW Class 50Hz 220 230 240V 60Hz 220 230V Model FTK35JVE9 FTK35JVEA9 Rating Capacity kW 3 5 Front Panel Color Almond White Air Flow Rates m min H 7 8 M 6 7 L 5 5 cfm H 275 M 237 L 194 Fan Type Cross Flow Fan Motor Output W 18 Sp...

Page 33: ... and Gas Pipes Piping Connection Liquid mm φ6 4 Gas mm φ12 7 Drain mm φ18 0 Drawing No 3D027863A 3D027860C 6 0kW Class 50Hz 220 230 240V 60Hz 220 230V Model FTKD60JVE FTKD60JVEA Rating Capacity kW 6 0 Front Panel Color Almond White Air Flow Rates m min H 13 6 M 12 0 L 10 4 cfm H 480 M 424 L 367 Fan Type Cross Flow Fan Motor Output W 54 Speed Steps 5 Steps and Auto Air Filter Removal Washable Milde...

Page 34: ...ir Filter Removal Washable Mildew Proof Running Current Rated A 0 23 0 22 0 21 0 23 0 22 Power Consumption Rated W 50 Power Factor 98 8 98 8 99 2 98 8 98 8 Temperature Control Microcomputer Control Dimensions H W D mm 298 1 050 190 Package Dimensions W D H mm 1 183 367 289 Weight kg 12 Gross Weight kg 16 Operation Sound dBA H 46 M 42 L 37 Heat Insulation Both Liquid and Gas Pipes Piping Connection...

Page 35: ... Liquid and Gas Pipes Piping Connection Liquid mm φ6 4 Gas mm φ9 5 Drain mm φ27 2 3 4B Drawing No 3D024955 3D024967 3 5kW Class 50Hz 220 230 240V 60Hz 220 230V Model CDK35HAVE CDK35HAVEA Rating Capacity kW 3 5 Front Panel Color Air Flow Rates m min H 13 0 M 12 0 L 11 0 cfm H 459 M 424 L 388 Fan Type Sirocco Fan Motor Output W 47 Speed Steps 5 Steps and Auto Air Filter Running Current Rated A 0 40 ...

Page 36: ...Gas Pipes Piping Connection Liquid mm φ6 4 Gas mm φ12 7 Drain mm φ27 2 3 4B Drawing No 3D024961 3D024969 6 0kW Class 50Hz 220 230 240V 60Hz 220 230V Model CDK60HAVE CDK60HAVEA Rating Capacity kW 6 0 Front Panel Color Air Flow Rates m min H 14 5 M 13 0 L 11 5 cfm H 512 M 459 L 406 Fan Type Sirocco Fan Motor Output W 47 Speed Steps 5 Steps and Auto Air Filter Running Current Rated A 0 45 0 45 0 45 0...

Page 37: ...ulation Both Liquid and Gas Pipes Piping Connection Liquid mm φ6 4 Gas mm φ9 5 Drain mm φ18 0 Drawing No 3D024997 3D025009 3 5kW Class 50Hz 220 230 240V 60Hz 220 230V Model FLK35HVE FLK35HVEA Rating Capacity kW 3 5 Front Panel Color Almond White Air Flow Rates m min H 8 7 M 7 7 L 6 6 cfm H 307 M 270 L 233 Fan Type Sirocco Fan Motor Output W 34 Speed Steps 5 Steps and Auto Air Filter Removable Wash...

Page 38: ...iquid mm φ6 4 Gas mm φ12 7 Drain mm φ18 0 Drawing No 3D024999 3D027868C 6 0kW Class 50Hz 220 230 240V 60Hz 220 230V Model FLK60HVE FLK60JVEA Rating Capacity kW 5 7 Front Panel Color Almond White Air Flow Rates m min H 12 0 12 0 M 10 7 10 6 L 9 3 9 3 cfm H 424 424 M 376 374 L 328 328 Fan Type Sirocco Fan Motor Output W 34 Speed Steps 5 Steps and Auto Air Filter Removable Washable Mildew Proof Runni...

Page 39: ...tion Sound dBA H 33 L 29 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm φ6 4 Gas mm φ12 7 φ15 9 Drain mm φ25 0 6 15kW Class 7 7kW Class 50Hz 220 230 240V 60Hz 220 230V Model FHYC60KVE9 FHYC71KVE9 Rating Capacity kW 6 15 7 7 Front Panel Color White Air Flow Rates m min H 19 0 L 14 0 cfm H 671 L 494 Fan Type Turbo Fan Motor Output W 45 Speed Steps 2 Steps and Auto Air Filter R...

Page 40: ...Sound dBA H 39 L Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm φ6 4 φ9 5 Gas mm φ15 9 Drain mm 3 4B 6 15kW Class 7 7kW Class 60Hz 220 230V Model FDYM60FAVAL FDYM03FAVAL Rating Capacity kW 6 15 7 7 Front Panel Color Air Flow Rates m min H 20 22 L cfm H 706 777 L Fan Type Sirocco Fan Motor Output W 125 Speed Steps 2 Step and Auto Air Filter Running Current Rated A Power Consu...

Page 41: ...d mm φ6 4 Gas mm φ9 5 φ12 7 Drain mm φ18 0 Drawing No 3D029308 3D029309 5 0kW Class 6 0kW Class 50Hz 220 230 240V 60Hz 220 230V Model FTXD50JVEA9 FTXD60JVEA Cooling Heating Cooling Heating Rating Capacity kW 5 0 6 5 6 0 7 2 Front Panel Color Almond White Air Flow Rates m min H 12 9 15 7 13 6 17 2 M 11 4 13 4 12 0 14 4 L 9 9 11 0 10 4 11 7 cfm H 455 554 480 607 M 402 473 424 508 L 349 388 367 413 F...

Page 42: ...r Removal Washable Mildew Proof Running Current Rated A 0 23 0 22 0 21 0 23 0 22 0 23 0 22 0 21 0 23 0 22 Power Consumption Rated W 50 50 Power Factor 98 8 98 8 99 2 98 8 98 8 98 8 98 8 99 2 98 8 98 8 Temperature Control Microcomputer Control Dimensions H W D mm 298 1 050 190 Package Dimensions W D H mm 1 183 367 289 Weight kg 12 Gross Weight kg 16 Operation Sound dBA H 46 46 M 42 40 L 37 34 Heat ...

Page 43: ... Gas mm φ9 5 φ12 7 Drain mm φ27 2 3 4B Drawing No 3D024985 3D024986 5 0kW Class 6 0kW Class 50Hz 220 230 240V 60Hz 220 230V Model CDX50HAVEA CDX60HAVEA Cooling Heating Cooling Heating Rating Capacity kW 5 0 6 13 6 0 7 32 Front Panel Color Air Flow Rates m min H 13 0 14 5 M 12 0 13 0 L 11 0 11 5 cfm H 459 512 M 424 459 L 388 406 Fan Type Sirocco Fan Motor Output W 47 Speed Steps 5 Steps and Auto Ai...

Page 44: ...ion Both Liquid and Gas Pipes Piping Connection Liquid mm φ6 4 φ6 4 Gas mm φ9 5 φ12 7 Drain mm φ18 0 φ18 0 Drawing No 3D025021 3D025022 5 0kW Class 6 0kW Class 50Hz 220 230 240V 60Hz 220 230V Model FLX50JVEA9 FLX60JVEA Cooling Heating Cooling Heating Rating Capacity kW 5 0 6 1 5 7 6 7 Front Panel Color Almond White Air Flow Rates m min H 11 4 12 1 12 0 12 8 M 9 9 9 8 10 6 10 6 L 8 5 7 5 9 3 8 4 cf...

Page 45: ...ation Sound dBA H 33 L 29 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm φ6 4 Gas mm φ12 7 φ15 9 Drain mm φ25 0 6 15kW Class 7 7kW Class 50Hz 220 230 240V 60Hz 220 230V Model FHYC60KVE9 FHYC71KVE9 Cooling Heating Cooling Heating Rating Capacity 6 15 7 0 7 7 7 9 Front Panel Color White Air Flow Rates m min H 19 0 L 14 0 cfm H 671 L 494 Fan Type Turbo Fan Motor Output W 45 Spe...

Page 46: ...54 Operation Sound dBA H 39 L Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm φ6 4 φ9 5 Gas mm φ15 9 Drain mm 3 4B 60Hz 220 230V Model FDYM60FAVAL FDYM03FAVAL Cooling Heating Cooling Heating Rating Capacity 6 0 7 0 7 7 7 9 Front Panel Color Air Flow Rates m min H 20 22 L cfm H 706 777 L Fan Type Sirocco Fan Motor Output W 125 Speed Steps 2 step and Auto Air Filter Running Cur...

Page 47: ...nsulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ6 4 φ6 4 Gas mm φ9 5 φ12 7 Drain mm φ18 0 φ18 0 Drawing No 3D020446A 3D020447A 50Hz 220V Model FTK50HVEC FTK60HVEC Rating Capacity kW 5 0 6 0 Front Panel Color Almond White Almond White Air Flow Rates m min H 12 9 14 0 M 11 2 12 1 L 9 4 10 3 cfm H 455 494 M 395 427 L 332 364 Fan Type Cross Flow Fan Cross Flo...

Page 48: ...Piping Connection Liquid mm φ6 4 φ6 4 Gas mm φ9 5 φ12 7 Drain mm φ27 2 3 4B φ27 2 3 4B Drawing No 3D024956 3D024959 50Hz 220V Model CDK50HAVEC CDK60HAVEC Rating Capacity kW 5 0 6 0 Front Panel Color Air Flow Rates m min H 13 0 14 5 M 12 0 13 0 L 11 0 11 5 cfm H 459 512 M 424 459 L 388 406 Fan Type Sirocco Fan Sirocco Fan Motor Output W 47 47 Speed Steps 5 Steps and Auto 5 Steps and Auto Air Filter...

Page 49: ... and Gas Pipes Piping Connection Liquid mm φ6 4 φ6 4 Gas mm φ9 5 φ12 7 Drain mm φ18 0 φ18 0 Drawing No 3D025001 3D025002 50Hz 220V Model FLK50HVEC FLK60HVEC Rating Capacity kW 5 0 5 7 Front Panel Color Almond White Almond White Air Flow Rates m min H 11 4 12 0 M 10 0 10 7 L 8 5 9 3 cfm H 402 424 M 351 376 L 300 328 Fan Type Sirocco Fan Sirocco Fan Motor Output W 34 34 Speed Steps 5 Steps and Auto ...

Page 50: ...230 840 840 230 840 840 Package Dimensions mm 305 930 920 305 930 920 Weight kg 24 24 Gross Weight kg 29 29 Operation Sound dBA H 33 35 L 29 30 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ6 4 φ6 4 φ9 5 Gas mm φ12 7 φ15 9 φ15 9 Drain mm φ25 0 φ25 0 50Hz 220V Model FDYM60FAV1C FDYM03FAV1C Rating Capacity kW 6 15 7 7 Front Panel Color Air Flow Rate...

Page 51: ...h Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ6 4 φ6 4 Gas mm φ9 5 φ12 7 Drain mm φ18 0 φ18 0 Drawing No 3D020444A 3D020445A 50Hz 220V Model FTX50HVEC FTX60HVEC Cooling Heating Cooling Heating Rating Capacity kW 5 0 6 13 6 0 7 32 Front Panel Color Almond White Air Flow Rates m min H 12 9 15 2 14 0 16 3 M 11 2 13 1 12 1 14 0 L 9 4 11 0 10 3 11 7 cfm H 455 537 494 575...

Page 52: ...Piping Connection Liquid mm φ6 4 φ6 4 Gas mm φ9 5 φ12 7 Drain mm φ27 2 3 4B φ27 2 3 4B Drawing No 3D024975 3D024977 50Hz 220V Model CDX50HAVEC CDX60HAVEC Cooling Heating Cooling Heating Rating Capacity kW 5 0 6 13 6 0 7 32 Front Panel Color Air Flow Rates m min H 13 0 13 0 14 5 14 5 M 12 0 12 0 13 0 13 0 L 11 0 11 0 11 5 11 5 cfm H 459 459 512 512 M 424 424 459 459 L 388 388 406 406 Fan Type Siroc...

Page 53: ... and Auto Air Filter Running Current Rated A 0 38 0 38 0 38 0 38 Power Consumption Rated W 80 80 80 80 Power Factor 95 7 95 7 95 7 95 7 Temperature Control Microcomputer Control Microcomputer Control Dimensions H W D mm 260 900 580 260 900 580 Package Dimensions mm 1 070 719 354 1 070 719 354 Weight kg 23 23 Gross Weight kg 33 33 Operation Sound dBA H 36 37 37 38 M 34 35 35 36 L 31 32 32 33 Heat I...

Page 54: ... Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ12 7 Drain mm φ18 0 φ18 0 Drawing No 3D025013 3D025014 50Hz 220V Model FLX50HVEC FLX60HVEC Cooling Heating Cooling Heating Rating Capacity kW 5 0 6 13 5 7 7 32 Front Panel Color Almond White Almond White Air Flow Rates m min H 11 4 12 1 12 0 12 8 M 10 0 9 8 10 7 10 6 L 8 5 7 5 9 3 8 4 cfm H 402 427 424 452 M 351 346 376 374 L 300 265 328...

Page 55: ... D mm 230 840 840 230 840 840 Package Dimensions mm 305 930 920 305 930 920 Weight kg 24 24 Gross Weight kg 29 29 Operation Sound dBA H 33 35 L 29 30 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 φ 9 5 Gas mm φ12 7 φ15 9 φ15 9 Drain mm φ 25 φ 25 50Hz 220V Model FDYM60FAV1C FDYM03FAV1C Cooling Heating Cooling Heating Rating Capacity 6 0 ...

Page 56: ... M 34 35 L 30 32 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 Gas mm φ 9 5 φ12 7 Drain mm φ18 0 Drawing No 3D031683 3D031684 5 0 6 0kW Class 60Hz 220V Model FTKD50JVET FTKD60JVET Rating Capacity kW 5 0 6 0 Front Panel Color Almond White Air Flow Rates m min H 12 9 13 6 M 11 4 12 0 L 9 9 10 4 cfm H 455 480 M 402 424 L 349 367 Fan Type Cross Flow Fan Motor Output W 54 ...

Page 57: ...d Auto Air Filter Removal Washable Mildew Proof Running Current Rated A 0 23 Power Consumption Rated W 50 Power Factor 98 8 Temperature Control Microcomputer Control Dimensions H W D mm 298 1 050 190 Package Dimensions W D H mm 1 183 367 289 Weight kg 12 Gross Weight kg 16 Operation Sound dBA H 46 M 42 L 37 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm φ 9 5 Gas mm φ15 9 Dr...

Page 58: ...g Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ12 7 Drain mm φ 27 2 3 4B φ 27 2 3 4B Drawing No 3D024957 3D024960 60Hz 220V Model CDK50HAVET CDK60HAVET Rating Capacity kW 5 0 6 0 Front Panel Color Air Flow Rates m min H 13 0 14 5 M 12 0 13 0 L 11 0 11 5 cfm H 459 512 M 424 459 L 388 406 Fan Type Sirocco Fan Sirocco Fan Motor Output W 47 47 Speed Steps 5 Steps and Auto 5 Steps and Auto Air Filter...

Page 59: ...d Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ12 7 Drain mm φ18 0 φ18 0 Drawing No 3D025005 3D025006 60Hz 220V Model FLK50HVET FLK60HVET Rating Capacity kW 5 0 5 7 Front Panel Color Almond White Almond White Air Flow Rates m min H 11 4 12 0 M 10 0 10 7 L 8 5 9 3 cfm H 402 424 M 351 376 L 300 328 Fan Type Sirocco Fan Sirocco Fan Motor Output W 34 34 Speed Steps 5 Steps and Auto ...

Page 60: ... 230 840 840 230 840 840 Package Dimensions mm 305 930 920 305 930 920 Weight kg 24 24 Gross Weight kg 29 29 Operation Sound dBA H 33 35 L 29 30 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 φ 9 5 Gas mm φ12 7 φ15 9 φ15 9 Drain mm φ 25 0 φ 25 0 60Hz 220V Model FDYM60FAVAL FDYM03FAVAL Rating Capacity kW 6 15 7 7 Front Panel Color Air Flo...

Page 61: ...ion Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 Gas mm φ 9 5 φ12 7 Drain mm φ18 0 Drawing No 3D031681 3D031682 5 0kW Class 6 0kW Class 60Hz 220V Model FTXD50JVET FTXD60JVET Cooling Heating Cooling Heating Rating Capacity kW 5 0 6 5 6 0 7 2 Front Panel Color Almond White Air Flow Rates m min H 12 9 15 7 13 6 17 2 M 11 4 13 4 12 0 14 4 L 9 9 11 0 10 4 11 7 cfm H 455 554 480 607 M 402...

Page 62: ...ps 5 Steps and Auto Air Filter Removal Washable Mildew Proof Running Current Rated A 0 23 0 23 Power Consumption Rated W 50 50 Power Factor 98 8 98 8 Temperature Control Microcomputer Control Dimensions H W D mm 298 1 050 190 Package Dimensions W D H mm 1 183 367 289 Weight kg 12 Gross Weight kg 16 Operation Sound dBA H 46 46 M 42 40 L 37 34 Heat Insulation Both Liquid and Gas Pipes Piping Connect...

Page 63: ...Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ12 7 Drain mm φ18 0 φ18 0 Drawing No 3D025017 3D025018 60Hz 220V Model FLX50HVET FLX60HVET Cooling Heating Cooling Heating Rating Capacity kW 5 0 kW Class 5 7 kW Class Front Panel Color Almond White Almond White Air Flow Rates m min H 11 4 12 1 12 0 12 8 M 10 0 9 8 10 7 10 6 L 8 5 7 5 9 3 8 4 cfm H 402 427 424 452 M 351 346 376 374 L 300 265 32...

Page 64: ...ontrol Microcomputer Control Dimensions H W D mm 230 840 840 230 840 840 Package Dimensions mm 305 930 920 305 930 920 Weight kg 24 24 Gross Weight kg 29 29 Operation Sound dBA H 33 35 L 29 30 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 φ 9 5 Gas mm φ12 7 φ15 9 φ15 9 Drain mm φ 25 φ 25 60Hz 220V Model FDYM60FAVAL FDYM03FAVAL Cooling H...

Page 65: ...H 38 38 39 39 M 32 32 33 33 L 26 26 27 27 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 Gas mm φ 9 5 φ12 7 Drain mm φ18 0 Drawing No 3D027497B 3D027498B 50Hz 230V Model FTXD25KZV1B FTXD35KZV1B Cooling Heating Cooling Heating Rating Capacity kW 2 5 3 4 3 5 4 2 Front Panel Color Almond White Air Flow Rates m min H 7 5 8 0 7 9 8 0 M 5 8 6 4 6 1 6 5 L 4 0 4 8 4 3 5 0 cfm ...

Page 66: ... dBA H 44 42 45 44 M 40 37 41 39 L 35 32 37 34 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 Gas mm φ12 7 φ15 9 Drain mm φ18 0 Drawing No 3D029183 3D029184 7 1kW Class 50Hz 230V Model FTXD71JV1B Cooling Heating Rating Capacity kW 7 1 8 5 Front Panel Color Almond White Air Flow Rates m min H 13 7 17 3 M 11 8 14 1 L 9 9 11 1 cfm H 484 611 M 417 498 L 349 392 Fan Type Cr...

Page 67: ...ng Connection Liquid mm φ 6 4 Gas mm φ 9 5 Drain mm φ 27 2 3 4B Drawing No 3D024989 3D024990 5 0kW Class 6 0kW Class 50Hz 230V Model CDX50HAV1NB CDX60HAV1NB Cooling Heating Cooling Heating Rating Capacity kW 5 0 6 13 6 0 7 32 Front Panel Color Air Flow Rates m min H 13 0 14 5 M 12 0 13 0 L 11 0 11 5 cfm H 459 512 M 424 459 L 388 406 Fan Type Sirocco Fan Motor Output W 47 Speed Steps 5 Steps and Au...

Page 68: ...ion Liquid mm φ 6 4 Gas mm φ 9 5 Drain mm φ 27 2 3 4B Drawing No 3D024989 3D024990 5 0kW Class 6 0kW Class 50Hz 230V Model CDX50JV1NB CDX60JV1NB Cooling Heating Cooling Heating Rating Capacity kW 5 0 6 13 6 0 7 32 Front Panel Color Air Flow Rates m min H 13 0 14 5 M 12 0 13 0 L 11 0 11 5 cfm H 459 512 M 424 459 L 388 406 Fan Type Sirocco Fan Motor Output W 47 Speed Steps 5 Steps and Auto Air Filte...

Page 69: ...Both Liquid and Gas Pipes Piping Connection Liquid mm φ 6 4 φ 6 4 Gas mm φ 9 5 φ12 7 Drain mm φ18 0 φ18 0 5 0kW Class 6 0kW Class 50Hz 230V Model FLX50JV1B FLX60JV1B Cooling Heating Cooling Heating Rating Capacity kW 5 0 6 1 5 7 6 7 Front Panel Color Almond White Air Flow Rates m min H 11 4 12 1 12 0 12 8 M 9 9 9 8 10 6 10 6 L 8 5 7 5 9 3 8 4 cfm H 402 427 424 452 M 349 346 374 374 L 300 265 328 2...

Page 70: ...s Flow Fan Motor Output W 14 Speed Steps 5 Steps and Auto Air Filter Removable Washable Mildew Proof Running Current Rated A 0 14 0 15 Power Consumption Rated W 32 34 Power Factor 99 4 98 6 Temperature Control Microcomputer Control Dimensions H W D mm 600 650 195 Package Dimensions W D H mm 764 288 702 Weight kg 13 Gross Weight kg 18 Operation Sound dBA H 38 38 39 39 M 32 32 33 33 L 26 26 26 26 He...

Page 71: ...Specifications Si18 201 58 Specifications ...

Page 72: ... 1 1 Branch Provider Unit BPMK928B42 B43 60 1 2 Outdoor Unit RMK X 140JVMT C 9 8 RMK140JAVM RMX140JVMB RMK X 140JZVMA B 61 1 3 FTK25 35J Series FTX25 35J Series FTXD25 35K Series FVX25 35K Series 64 1 4 FTK50 60HV Series FTKD50 71JV Series FTX50 60HV Series FTXD50 71JV Series 66 1 5 CDX25 60HAV Series CDK25 60HAV Series 68 1 6 FLK25 60HV Series FLX25 60HV Series FLK50 60JV Series FLX50 60JV Series...

Page 73: ...nations Printed Circuit Board 1 S1 Connector for Bypass Electronic Expansion Valve 2 S2 to S4 Connector for Electronic Expansion Valve to Room A B and C 3 S5 Connector for Thermistors 1 FU1 Fuse for Transformer 2 FU2 Fuse for Inter Connecting Wire to Room 1 3 FU3 Fuse for Inter Connecting Wire to Room 2 4 FU4 Fuse for Inter Connecting Wire to Room 3 5 LED A LED for Service Monitor 6 LED B LED for ...

Page 74: ...7 Connector to PCB 2 to S907 7 S108 Connector to Y1E EVG Electronic Expansion Valve 8 S109 Connector to Y2E EVL Electronic Expansion Valve 9 S110 Connector to Y3E EVP Electronic Expansion Valve 10 S111 Connector to Y1R 4 Way Valve 11 S114 Connector to Thermistors 12 S131 Connector to HPS High Pressure Switch 13 S132 Connector to PCB 2 to S908 14 S140 Connector to Active Module 15 S151 Connector to...

Page 75: ...al 3 H3P PCB 3 LED for Outdoor Unit Fan Status normal 4 H4P PCB 3 LED for Outdoor Unit Fan Status normal 5 LED 2 4 PCB 4 Digital Service Monitor 6 SW1 SW2 PCB 4 Address Selection Switches 7 SW3 PCB 4 Forced Operation Mode Selection Switch Cool Heat 8 SW4 PCB 4 Pump Down Switch Service Mode No Down Switch 9 SW5 PCB 4 Pump Down Switch Service Mode No Up Switch 10 SW6 PCB 4 Initialize Switch 11 SW7 P...

Page 76: ...d Circuit Board Connector Wiring Diagram and Name Printed Circuit Board Connector Wiring Diagram and Name 63 Printed Circuit Board 2 Filter PCB Printed Circuit Board 3 Fan Control Printed Circuit Board 4 Indicator PCB ...

Page 77: ...cuit Board 3 Intelligent Eye Sensor PCB Name of Connector Note Other designations 1 S1 Connector for Fan Motor 2 S6 Connector for Swing Motor Horizontal Flap 3 S7 Connector for Fan Motor 4 S21 Connector for Centralized Control to 5 Rooms 5 S27 S36 Connector for Control PCB 6 S26 Connector for Signal Receiver PCB 7 S32 Connector for Room Temp Heat Exchanger Thermistor 8 S35 Connector for Intelligen...

Page 78: ...d Connector Wiring Diagram and Name 65 Printed Circuit Board 1 3 Printed Circuit Board 1 3 Detail RL001 Control P C B 1 S1 Signal receive P C B 2 S27 GRN GRN YLW LED1 LED2 LED3 SW7 S7 S6 Intelligent eye sensor P C B 3 S36 S35 S26 S32 S21 5V check Jumper JA JB JC ground 12V check Jumper ...

Page 79: ...Signal Receiver PCB Name of Connector Other Designations Printed Circuit Board 1 Control PCB 1 S1 Connector for Fan Motor 2 S6 Connector for Swing Motor Horizontal Flap 3 S8 Connector for Swing Motor Vertical Flap 4 S21 Connector for Centralized Control to 5 Rooms 5 S24 Connector for Display PCB 6 S25 S27 S36 Connector for Control PCB 7 S26 Connector for Signal Receiver PCB 8 S31 S32 Connector for...

Page 80: ...uit Board Connector Wiring Diagram and Name Printed Circuit Board Connector Wiring Diagram and Name 67 Printed Circuit Board 2 Power Supply PCB Printed Circuit Board 3 Display PCB Printed Circuit Board 4 Signal Receiver PCB ...

Page 81: ... 3 Intelligent Eye Sensor PCB Name of Connector Note Other designations 1 S1 Connector for Fan Motor 2 S6 Connector for Swing Motor Horizontal Flap 3 S7 Connector for Fan Motor 4 S21 Connector for Centralized Control to 5 Rooms 5 S36 Connector for Control PCB 6 S26 Connector for Signal Receiver PCB 7 S35 Connector for Intelligent Eye Sensor PCB 1 V1 Varistor 2 JA Address Setting Jumper JB Fan Spee...

Page 82: ...g Diagram and Name Printed Circuit Board Connector Wiring Diagram and Name 69 Printed Circuit Board 1 3 Printed Circuit Board 1 3 Detail RL001 Control P C B 1 S1 S7 S6 sensor P C B 3 S36 S35 S26 S21 5V check Jumper JA JB JC ground 12V check Jumper ...

Page 83: ...ector for Fan Motor Power Supply 2 S6 Connector for Swing Motor 3 S7 Connector for Fan Motor 4 S21 Connector for Centralized Control 5 S24 Connector for PCB3 to S25 6 S25 Connector for PCB1 to S24 7 S26 Connector for PCB4 to S27 8 S27 Connector for PCB1 to S26 9 S31 Connector for Thermistor R1T 10 S32 Connector for Thermistor R2T R3T 11 S36 Connector for PCB1 to S37 12 S37 Connector for PCB2 to S3...

Page 84: ...Si18 201 Printed Circuit Board Connector Wiring Diagram and Name Printed Circuit Board Connector Wiring Diagram and Name 71 Printed Circuit Board 1 Control PCB Printed Circuit Board 2 Power Supply PCB ...

Page 85: ...rinted Circuit Board Connector Wiring Diagram and Name Si18 201 72 Printed Circuit Board Connector Wiring Diagram and Name Printed Circuit Board 3 Display PCB Printed Circuit Board 4 Signal Receiver PCB ...

Page 86: ...nector for Transformer 4 X15A Connector for Float Switch 5 X18A Connector for Thermistor Coil 6 X19A Connector for Thermistor Air 7 X20A Connector for Fan Motor 8 X24A Connector for Wireless Remote Controller Option 9 X25A Connector for Drain Pump 10 X27A Connector for Outdoor Unit 11 X30A Connector for Interface Adaptor Option 12 X33A Connector for Adaptor for Wiring Option 13 X35A Connector for ...

Page 87: ...Printed Circuit Board Connector Wiring Diagram and Name Si18 201 74 Printed Circuit Board Connector Wiring Diagram and Name Printed Circuit Board ...

Page 88: ...r Other Designation 1 X5A Connector for Wired Remote Controller 2 X10A Connector for Transformer 3 X11A Connector for Transformer 4 X15A Jumpered 5 X18A Connector for Thermistor Coil 6 X19A Connector for Thermistor Air 7 X21A Connector for Fan Motor 8 X27A Connector for Outdoor Unit 9 X30A Connector for Interface Adaptor Option 10 X33A Connector for Adaptor for Wiring Option 11 X35A Connector for ...

Page 89: ...Printed Circuit Board Connector Wiring Diagram and Name Si18 201 76 Printed Circuit Board Connector Wiring Diagram and Name Printed Circuit Board ...

Page 90: ... Main Functions Indoor Unit Indoor Unit Indoor Unit Indoor Unit 1 Main Functions 78 1 1 Main Functions in Split Type 78 1 2 SkyAir 98 1 3 Cautions when SkyAir Auto FAN are used 100 The RMK140JAVM specifications are special Refer to RMK140JAVM s important points on page ii for the changes in contents ...

Page 91: ...ow control in the cooling heating and dry modes In a heating operation the large flaps direct warm air downward to heat the feet area The wide angle diffuser presses the air down to lay a carpet of warm air above the floor In a cooling operation the diffuser is retracted into the air conditioner body to distribute cool air throughout the room In Heating Operation Warm air is sent out straight down...

Page 92: ...or FTK FTX50 60 H Series Only The louvers provide wide range airflow and minimize uneven temperature distribution that gives an uncomfortable feeling All round louvers are adopted to create wide range airflow They can be easily warped to allow airflow control in a wide angle They can swing to a maximum of 120º during heating as shown below air can be distributed to every corner of the room All Rou...

Page 93: ... room even if it is installed at a corner of the room 1 1 3 Horizontal Auto Swing Up and Down For FTK FTX50 60 H Series Only Auto swing angles are about A degrees when the fan is ON and about B degrees when the cooling or program dry operation is ON The up and down swing of the flaps widens the direction of wind Blade Angle ...

Page 94: ...e Notes on flap angles The diffuser is kept open in DRY COOL or FAN mode Note Unless SWING is selected you should set the flap at a near horizontal angle in COOL or DRY mode to obtain the best performance Cooling Dry FTK50 60H Series A 20º 20º B 15º 40º 15º 40º Cooling Dry Heating FTK50 60H Series A 20º 20º 20º 40º B 15º 40º 15º 40º 30º 60º ...

Page 95: ... Auto swing is chosen the flap swings in the swing range which meets the operation mode selected Others The vertical louver can be adjusted manually The movable range is 60 degrees for left or right and total 120 degrees A diffuser is not available for J type 1 1 5 3 Step Flow For FTX50 60 H Series Only Heat Pump Only In the beginning of a heating operation the unit sends warm air towards the wall...

Page 96: ...unctions Main Functions 83 Heating In The Case of Swing OFF Start Heating In The Case of Swing ON Start Note The flaps remain in the preset position for about 10 seconds before they return to the full open processing ...

Page 97: ...st operation Automatic Air Flow Control for Heating The following drawing explains the principle for fan speed control for heating Note When there is no operation and the night set mode turns on the step is low Refer to Night set mode on page 89 Automatic Air Flow Control for Cooling The following drawing explains the principle of fan speed control for cooling Step Cooling Heating Dry mode LLL Hea...

Page 98: ...s a signal receiving sound 1 1 9 Air Purifying Filter For FTK X 25 35 J FTK X 50 60 H Series The air purifying filter electrostatic filter catches pollen or smoke of cigarette as small as 0 01 micron through electro static charging An activated carbon deodorizing filter in a net shape is also mounted to absorb and minimize fine odor particles 1 1 10 Washable Grille Washable grille is for FTK X 25 ...

Page 99: ...latile oils polishing compound scrubbing brushes nor other hard stuff After cleaning make sure that the front grille is securely fixed 1 1 11 Filter Cleaning Indicator For FTK FTX50 60 H Series Only The filter check indicator located at the center of the unit will indicate the time for cleaning the air filters The indicator will indicate an appropriate cleaning time depending on the environment du...

Page 100: ...y carrying out comfortable heating of the room The cold air blast is also prevented using a similar control when the defrosting operation is started or when the thermostat gets turned ON During defrosting or when the thermostat is on in heating mode the indoor heat exchanger temperature 29 C to fan starts to avoid cold draft 1 1 15 Program Dry Function Program dry function removes humidity while p...

Page 101: ...it setting temperature 2 5 deg Cooling Heating switching point Room temperature Main unit setting temperature 2 5 deg Thermostat ON OFF point is the same as the ON OFF point of cooling or heating operation 4 During initial operation Room temperature Remote controller setting temperature Cooling operation Room temperature Remote controller setting temperature Heating operation However in the automa...

Page 102: ...ling Operation Heating Operation 1 1 18 Self Diagnosis Digital Display The microcomputer continuously monitors main operating conditions of the indoor unit outdoor unit and the entire system Should an abnormality occur the LCD remote controller displays information and the indicators on the indoor and outdoor units light These indications allow prompt maintenance operations 1 1 19 Self Diagnosis L...

Page 103: ... a signal from the sensor in 20 minutes it judges that no body is in the room and turns off the human detection LED operating the unit in temperature sifted 2 C from the set temperature Cooling 2 C higher Dry 1 C higher and Auto according to the operation mode at that time 1 In case of Fan mode the fan speed reduces by 50 rpm If the sensor detects the outputs 10 times sec or more it judges humans ...

Page 104: ...OFF timer the shift from the set temperature should be just 1 C with this control function The temperature shift of the normal OFF timer will not be carried out However the passed time should be remembered since the OFF timer was set 3 While operation with the good sleep cooling control and off timer setting if the signal of the good sleep cooling OFF signal comes the level of the set temperature ...

Page 105: ...ss from the beginning 1 Dry operation activating compressor on temperature 2 Room temperature difference between activation and suspension of dry operation Note 1 The program dry function is not operated when the room temperature is at 18 C or less 2 In monitoring operation fan rotates 5 seconds after the compressor starts its operation Room temperature at starting of program dry operation Program...

Page 106: ...rential range even after a lapse of 5 minutes the compressor is forced to turn ON point c When the suction temperature is still in the differential range after another 4 minutes of compressor ON the compressor is forced to turn OFF point d The 5 and 4 minute timers are effective only within the differential temperature range and when the air suction temperature is reached to B or A while the timer...

Page 107: ...on t restart the operation during this timer is ON 1 1 26 Auto Restart Function Even if a power failure including one for just a moment occurs during the operation the operation restarts in the condition before power failure automatically when power is restored Note It takes 3 minutes to restart the operation because the 3 minute standby function is activated 1 1 27 3 Minutes Standby Function When...

Page 108: ...ture for 1 hour from when the timer starts counting After that the unit will raise temperature 0 5 C higher than the set temperature and cool for 30 minutes After that the unit will raise temperature another 0 5 C and continue cooling at that temperature Setting the OFF timer forcibly changes the airflow adjustment to the tap L setting It is possible to change the airflow setting while the OFF tim...

Page 109: ...tting is changed to the lowest setting of the remote controller and the fan runs at the maximum rpm Note During fan operation air is blown at the maximum fan rpm Note Max fan rpm H tap set by remote controller 50 rpm Notes on POWERFUL Operation In COOL mode To maximize the cooling effect the temperature setting is fixed to 18 C and the air flow rate is fixed to the maximum setting H tap 50 r p m T...

Page 110: ...aused by using clogged filters and wasteful use of electricity by approximately 8 Contents of indication Sensed by the operation hours and the fan motor voltage 1 Filter clogging 2 Accumulated operation hours Indicates the earlier one of the above 1 or 2 This indicator utilizes the characteristic that the fan motor voltage drops as the crossflow fan gets clogged it does not detects the amount of f...

Page 111: ... Existing cooling heating preset temperature range has been changed Draft Avoidance Control 1 Draft is circumvented by delaying transfer of the flap to the Po0 horizontal position for a certain amount of time when defrosting and in the heating mode with the thermostat OFF ...

Page 112: ...ing temperature conditions to prevent freezing of the indoor unit heat exchanger The motorized valve is controlled to maintain the indoor unit heat exchanger temperature Te above 0 C The outdoor unit fan speed is reduced to prevent freeze prevention control from activating during cooling operation under low outside air temperature For details see the section on cooling operation under low outside ...

Page 113: ...g the corresponding models stated above the mode change Cooling Heating or Heating Cooling will not be carried out automatically even if Auto is selected Accordingly when operation mode change is required once stop the operation of the corresponding model and then choose a mode after starting the model again 2 SkyAir FAN Only mode can t be operated If FAN Only mode is chosen is displayed once but ...

Page 114: ...tion 120 3 8 Defrost Operation 122 3 9 Pre Equalization Standby Operation 123 3 10 Equalizing Control 124 3 11 Capacity Control 126 3 12 Peak Cut Control 128 3 13 Freeze Up Prevention 129 3 14 Gas Shortage Malfunction 130 3 15 Discharge Pipe Control 131 3 16 Input Current Control 132 3 17 Wet Protection Control I 135 3 18 Electric Parts Cooling and Electric Parts Fin Temperature Control 136 3 19 D...

Page 115: ...5 Inter BP Units Gas Pipe Isothermal Control 164 3 36 BP Unit Motorized Valve Control by Target Discharge Pipe Temperature 165 3 37 4 Way Valve Operation 166 3 38 JIS Mode 167 3 39 Pump Down Operation 168 3 40 Protection Control of SkyAir Indoor Units 169 The RMK140JAVM specifications are special Refer to RMK140JAVM s important points on page ii for the changes in contents ...

Page 116: ...A M1001 12 14 13 K J H I G 10 9 8 D 6 3 2 F 1 B 11 A 4 M M 7 E C Outdoor unit H Heat exchanger thermistor Refnet joint Filter Filter Filter Refnet joint H Liquid pipe termistor H Outdoor air thermistor BP unit H Suction thermistor Oil separator Flexible tube H Discharge pipe thermistor H LP sensor Filter H Liquid pipe termistor H Heat exchanger thermistor Indoor unit H Gas pipe thermistor During o...

Page 117: ...frigerant in the receiver with reverse discharge pipe temperature control If small capacity indoor unit is connected and the high pressure rises open the EVG to increase auxiliary heat exchanger capacity and decrease the high pressure Outdoor unit fan The upper limit of the fan speed is provided to secure the differential pressure in low temperature cooling operation The fan runs with H tap in ove...

Page 118: ...ing operation fully closed In heating operation carries out the control equal to Super multi unit control entire system control EVH Bypass motorized valve in BP unit Opens at specified opening degree when oil collecting operation is conducted in heating mode The EVH opens as well when oil collecting and defrosting operation is conducted in cooling mode ...

Page 119: ... the judgement on defrost resetting F Discharge pipe thermistor Carries out the compressor internal temperature protection control operation halts due to the discharge pipe abnormal high temperature gas shortage etc Carries out the judgement of open phase operation and the system control G Suction pipe thermistor Carries out the pump down operation H Indoor unit room temperature thermistor Instruc...

Page 120: ...sion Valve Main Body 3SA52028 1 Coil 3P002169 1 EKV 30D36 Y1R 4 Way Valve Main Body 3SA52023 1 V40100B Coil 3SA52037 5 KU V40100B H p Only M1F Fan Motor Lower 3SB40509 1 H41 L30 W 1 8P Propeller M2F Fan Motor Upper 3SB40509 1 H53 L38 W 1 8P Propeller C1R Capacitor for Fan Motor 3EB60099 1 2 500µF L1R Direct Current Reactor 3EB75084 1 L2R Direct Current Reactor 3EB75084 1 F1U FUSE 3EB82010 1 250 V ...

Page 121: ...250V 3 15A Y1E EVH Electronic Expansion Valve Main Body 2SB45422 1 Coil 3SB45348 10 LAM B30YHDM 1 Y2E Electronic Expansion Valve Main Body 2SB45422 1 Coil 3SB45348 10 Y3E Electronic Expansion Valve Main Body 2SB45422 1 Coil 3SB45348 10 Y4E Electronic Expansion Valve Main Body 2SB45422 1 Coil 3SB45348 10 ...

Page 122: ...n Super multi control EVL Close Independent VRV control EVG Close Super multi control EVG Open Independent VRV control SH control SC control SC control Target discharge pipe temp control Target discharge pipe temp control Target discharge pipe temp control Target discharge pipe temp control Reverse target discharge pipe control Target discharge pipe control Gas pipe isothermal control Excess refri...

Page 123: ...A Stop and HB Operation cooling dry heating or HA Operation cooling dry heating and HB Stop Control room command is used 3 When HA Operation HB Operation and HA HB Due to mode batting the following operation mode is used The first operation mode entered takes precedence operation based on first button pressed Note The dry mode is treated as cooling mode and the two entered modes do not result in m...

Page 124: ...rtup The standby operation and pressure equalization are described in the next section Explanation of The Function Detail 1 Compressor ON prohibit timer 60 seconds starts when power is turned on P1 pulses is closed and the current opening degree is set to 0 pulse full closing process 2 Compressor ON prohibit timer reaches the set time a standby operation is activated Note When the compressor ON pr...

Page 125: ... Command frequency 4 way valve operation security 62Hz 90sec 41Hz Outdoor unit upper fan 775rpm 775rpm Outdoor unit lower fan 715rpm 715rpm EVP 450 pulses Fully opened 450 pulses Fully opened 450 pulses Fully opened EVL 0 pulse Fully closed EVG 0 pulses Fully closed 450 pulses Fully opened Each room motorized valve 0 Nm hr Fully closed 0 Nm hr Fully closed Standby max time 2 min 2 min Guard timer ...

Page 126: ... Control in Cooling 4 way valve Command frequency Outdoor unit upper fan Outdoor unit lower fan Delay time of fan OFF EVP EVL EVG Each room motorized valve BP bypass motorized valve Equalizing interval timer Standby operation 3 min standby timer 180 sec OFF OFF 700 rpm 650 rpm 150 sec 450 pulses 450 pulses 52 pulses Fully closed 0 pulse Fully closed 0 pulse 450 pulses 450 pulses 450 pulses 100 pul...

Page 127: ...an Delay time for fan OFF EVP EVL EVG Each room motorized valve Bypass motorized valve Equalizing interval timer Standby operation 3 min standby timer 180 sec ON OFF 700 rpm 650 rpm 150 sec 450 pulses 450 pulses 450 pulses 0 pulse 0 pulse 450 pulses 450 pulses 0 pulse 0 pulse 0 pulse 450 pulses 0 pulse 100 pulses 450 pulses 0 pulse 25 sec 25 sec 80 sec 140 sec M1007 ...

Page 128: ...hod of determining frequency Method of determining frequency The compressor operating frequency is determined in the following steps 1 Selection of command frequency FSR 2 Selection of upper limit frequency FMAX 3 Selection of lower limit frequency FMIN 4 Selection of restriction frequency FSG 5 Execution of prohibit frequency skip control 6 Selection of target frequency FMK When FSR droop buffer ...

Page 129: ... value α PWR 3 Determination of S value There are two types of indoor unit capacities from individual BP units One is the ΣS value of the connected indoor unit and the other is the ΣS value of the indoor unit which receives an operation demand for the same mode as that of the outdoor unit They are called H U connection ΣS value and BP operation ΣS value respectively The sums of those S values of B...

Page 130: ...on the outside temperature Furthermore for improved startup in heating cold start frequency correction is provided based on the detection of cold start or hot start change in the number of rooms using the discharge pipe temperature Description Determination of S value classification The sum of S values sent form each BP unit of operating rooms ΣSu and non operating rooms ΣST are used to determine ...

Page 131: ...temperature DO When DO DOFINI 45 C KFIDO KFIDOH 128 128 Hot start When DO DOFINI 45 C KFIDO KFIDOL 179 128 Cold start Reference Outside Air Temperature Hot Start Cold Start 35 C 128 128 179 128 Outside Air Temperature Hot Start Cold Start 5 37 5 52 4 0 45 3 63 4 5 53 1 74 3 10 60 9 85 2 15 68 8 96 1 20 76 6 107 1 25 84 4 118 0 30 92 2 128 9 35 100 0 139 8 40 107 8 150 8 45 115 6 161 7 Initial HZ m...

Page 132: ...on discharge pipe temperature DO When DO DOFINI 45 C KFIDO KFIDOH 128 128 Hot start When DO DOFINI 45 C KFIDO KFIDOL 179 128 Cold start Reference Outside Air Temperature Hot Start Cold Start 15 C 128 128 179 128 Outside Air Temperature Hot Start Cold Start 15 217 2 303 7 10 197 7 276 4 5 178 1 249 1 0 158 6 221 8 5 139 1 194 5 10 119 5 167 2 15 100 0 139 8 20 80 5 112 5 25 60 9 85 2 Initial HZ mul...

Page 133: ...ervals of operations to recover oil from the main pipe become shorter when the operating frequency exceeds the specified frequency Main pipe oil recovery operation When the operating frequency exceeds 75 Hz even once after an oil recovery operation the oil recovery operation interval becomes 5 hours When the operating frequency does not exceed 75 Hz the operation interval is 8 hours The minimum ti...

Page 134: ...6min QAD BP motorized valve target flow rate EVU EVT QAHD ON OFF ON OFF ON OFF 1 0 1 0 4 way valve OFF timer for oil recovery 4 way valve ON timer for oil recovery TOW4 0sec TOW5 60sec TOW10 60sec 0 Hz 0 Hz Upper fan 0rpm Lower fan 0rpm Leaving timer for 4 way valve switching TD10R 5sec 2min 150 pulses 450 pulses Full close 150 pulses 0 pulse 0 pulse 70 pulses 450 pulses 450 pulses 100 pulses 0 pu...

Page 135: ... level Details TD1 47min Defrost preventing timer FDS Defrost requesting flag FD Defrosting flag Compressor MRC W 4 way valve Outdoor fan EVP EVG EVL QAD BP motorized valve target flow rate QAHD BP bypass motorized valve target flow rate Cumulative time of continuous normal operation TD2 15min TD3 60sec TD3 60sec ON OFF ON OFF ON OFF Defrost decision continuing timer TD5 60sec TD10 60sec OHz OHz T...

Page 136: ... standby operation Details Heating standby operation Cooling standby operation 4 way valve Command frequency at power ON or mode change OFF 30Hz ON 30Hz Command frequency 62Hz 90sec 90sec 41Hz Outdoor unit lower fan 775rpm 775rpm Each room motorized valve flow rate 715rpm 715rpm EVP 450 pulses 450 pulses 450 pulses EVL 0 pulse EVG EVH EVN 0 pulse 0 pulse 450 pulses 0 pulse 0 pulse Standby max time...

Page 137: ...alizing control in cooling Equalizing control in cooling 4 way valve Command frequency Outdoor unit lower fan Outdoor unit upper fan Fan OFF delay time EVP EVL EVG Each room motorized valve BP bypass motorized valve Equalizing interval timer 3 min standby timer 180sec Standby operation OFF OFF 450 pulses 450 pulses 450 pulses 450 pulses 100 pulses 0 pulse 450 pulses 450 pulses 450 pulses 52 pulses...

Page 138: ...FF delay time EVP EVL EVG Each room motorized valve BP bypass motorized valve Equalizing interval timer 3 min standby timer 180 sec ON OFF 140 sec 700 rpm 650 rpm 450 pulses 0 pulse 450 pulses 0 pulse 450 pulses 0 pulse 450 pulses 0 pulse 100 pulses 0 Nm hr 450 pulses 0 Nm hr 0 Nm hr 450 pulses 100 pulses 100 pulses 100 pulses 450 pulses 0 pulse 25 sec 25 sec 80 sec 150 sec 0 Nm hr M1015 ...

Page 139: ... prevention status sent from the BP unit indoor unit and the freeze prevention control provides cooling capacity control when the operating frequency reaches the minimum frequency The cooling capacity control adjusts the EVP to vary the target low temperature based on the freeze prevention status so the target low pressure is attained EVP discharge bypass motorized valve operating amount The sucti...

Page 140: ...er to decrease the high pressure 2nd step Opens the EVG fully If the high pressure is high the discharge bypass is used for the capacity control The heating capacity control adjusts the EVG and EVP to vary the target high pressure equivalent saturation temperature based on the peak cut and high pressure control zones so the target high pressure equivalent saturation temperature is attained The upp...

Page 141: ...he peak cut control prevents an abnormal rise of the high pressure A change of 2 Hz is made when each zone fluctuates The reset zone is set for 30 seconds when the operation mode is changed for 30 seconds when the number of operating room units increase and for 20 seconds when the number of operating room units decrease With each operation of the HPS operation counter the above zone judgment tempe...

Page 142: ...atus signal sent from the BP unit indoor unit and the freeze prevention control prevents freezing of the indoor unit A change of 2 Hz is made when each zone fluctuates The reset zone is set for 6 minutes when the operation mode is changed for 30 seconds when the number of operating room units increase and for 30 seconds when the number of operating room units decrease With each operation of the fr...

Page 143: ...ening and discharge pipe temperature Gas shortage malfunction is determined when the following condition is met during discharge pipe temperature control When discharge pipe temperature DO 1 target discharge pipe temperature DOSET 20 C motorized valve MAX flow rate signal from operating BP is continuously received for 80 seconds 2 Gas shortage detection based on outdoor unit motorized valve openin...

Page 144: ...the output frequency to prevent the internal pressure from rising This function serves the same purpose as the discharge pipe high temperature control that regulates the motorized valve Details With each operation of the discharge pipe temperature malfunction operation counter the above zone judgment temperature is decreased by 2 5 C Drooping speed 4Hz 60sec Reset zone Abnormal reset temperature N...

Page 145: ...ing no change and reset zones When the constraint frequency remains in the stop zone for the specified period time the compressor is stopped The lower limit current input current droop value in the drooping zone I3 varies according to the JIS mode or outside temperature to stay within the system use area The input current control I is a higher level constraint function that takes precedence over t...

Page 146: ... of 96 128 A C Similarly the input current value in controlled in inverter microcomputers to protect the inverter parts Outside Air Temperature I3CH 20 27 0 22 27 0 24 27 0 26 27 0 28 27 0 30 27 0 32 27 0 34 27 0 36 27 0 38 27 0 40 25 5 42 24 0 44 22 5 46 21 0 20 0 21 0 22 0 23 0 24 0 25 0 26 0 27 0 28 0 29 0 30 0 20 25 30 35 40 45 50 Outside air temperature Input current limit control M1021 Inver...

Page 147: ...o change and drooping zones When the high pressure saturation temperature is in one of the zone the output frequency limit is varied depending on the type of the zone Details The high pressure is estimated based on the high pressure estimation function operating frequency input current suction pressure and the estimated high pressure is used to obtain the saturation temperature When the heat excha...

Page 148: ...g frequency FCG is set according to following formula and diagram when the outside air temperature DOA is 6 5 C or lower during heating operation FCG KCG1W outside air temp DOA FCG7W 102 64 DOA 28 Outside Air Temp Lower Limit of Frequency 6 30 4 30 2 30 0 30 2 32 4 35 6 38 8 41 10 44 12 48 14 51 16 54 18 57 20 60 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 Operating frequency 25 20 15 1...

Page 149: ...ration of inverter stop processing when the fin temperature rises A change of 2 Hz is made when each zone fluctuates With each operation of the fin temperature abnormal operation counter the zone judgement temperature is decreased by 2 C Fan control during electric parts cooling With the compressor turned off not in pressure equalization control when box electrical box temperature DTR 75 C the top...

Page 150: ...cording to the temperature zone of the high pressure equivalent saturation temperature as shown below A change of 2 Hz is made when each zone fluctuates The mask time is 30 seconds at the time of heating mode oil recovery operation start and the reset zone is set for 30 seconds when the number of operating room units changes When 330 rpm operation remains for 10 continuous minutes during normal co...

Page 151: ...ure The shutdown function based on the outside temperature and high pressure equivalent saturation temperature stops the operation when sufficient differential pressure cannot be ensured in the compressor The shutdown function based on the outside temperature prevent compressor operation when the temperature is outside of the operation area Shutdown based on outside temperature and high pressure e...

Page 152: ...start condition When the nighttime low noise permit is set jumper setting the following control is activated Details During normal cooling operation outside temperature DOA is detected every 90 minutes The maximum value of 16 outside temperature measurements is compared with the outside temperature and the nighttime low noise is determined based on the following condition Outside air temperature M...

Page 153: ...d under the following conditions Equation A MAX_ALFA_P1 3 MAXα0 MAX_ALFA_P2 5 MAX_ALFA_P1 3 MAXα1 MAX_ALFA_P2 5 P control is prohibited under left condition I Control When the D signal does not change for the specified time the frequency is increased or decreased according to the MAXα value to set the MAXα value to the specified level When MAXα value is small Frequency is decreased When MAXα value...

Page 154: ...ature DOA DOAYS1 Discharge temperature DO DOYS1 When conditions and in 1 are met or when conditions and in 2 are met 3 Relay MRM1 turns on 4 Inverter starts operation in open phase mode 2 Cancellation conditions 1 When preheat permit command is issued EEPROM constant Outside temperature DOA DOAY2 DOAY1 Discharge temperature DO DOY2 DOY1 2 When no preheat permit command is issued EEPROM constant Ou...

Page 155: ... Hz See the diagram below 180 sec 120 sec 150 sec Startup C 70 Hz 70 Hz 85 Hz See the diagram below 180 sec 120 sec 150 sec Startup D 70 Hz 70 Hz 85 Hz Standby operation not completed 2 hours after completion of standby operation 180 sec 120 sec 150 sec Startup E 70 Hz 70 Hz 85 Hz Startup pattern in defrost reset and in heating oil recovery reset 180 sec 120 sec 150 sec Operating frequency M1032 M...

Page 156: ...operating mode is in the stop cooling stop and heating stop modes Fan OFF function when the number of heating room units decreases The outdoor unit fans are turned off for 30 seconds if outside temperature DOA is 10 C or higher when the number of heating room units decreases includes change of operating room units that results in the same number of operating room units When the number of operating...

Page 157: ...ng priority to capacitor discharge function after pump down operation Note Fan rotation speed shall be FANOF rpm In the case of HPS activation insufficient power supply voltage and momentary overcurrent abnormality the fan OFF delay control does not activate because the main relay turns off Details During compressor ON OFF operation the function set the upper fan rotation speed to FANOF1 700 rpm a...

Page 158: ... units When motorized valves of non operating room units are at minimum opening The receiver function ON is set EVG opens EVL Target discharge pipe temperature control When EVG is not fully closed with receiver Not in capacity control EVU Target discharge pipe temperature control SC control EVT Target discharge pipe temperature control EVL Target discharge pipe temperature control EVG Target disch...

Page 159: ...fully closed condition from 0 pulse to EVPDP pulses and the opening degree increments In the fully closed condition EVPDP pulses is set as the upper limit When it opens from the EVPDP condition the next valve opening degree is set to EVPMIN EVPDP to achieve EVP open condition 2 EVG gas pipe motorized valve opening restriction Not in capacity control during normal heating operation ELV fully closed...

Page 160: ...triction EVL liquid pipe motorized valve ELV fully closed during normal heating operation after elapsed 30 sec or more Other than the condition mentioned left EVLMAX 100 pulses EVLMIN 52 pulses 0 pulse M1042 0 pulse EVLMAX 450 pulses EVLMIN EVLDP 10 EVLMIN 12 pulses Closed condition M1043 ...

Page 161: ...et for wet operation When the motorized valve opening is less than the appropriate degree Prolonged pull down increase of compressor internal temperature Reduced oil return low oil level Rotor due condensation during cooling Details Initial opening of outdoor unit motorized valve Initial opening of outdoor unit motorized valve during cooling operation is according to the followings KBP FPIMN initi...

Page 162: ...he motorized valve to return the refrigerant to a low pressure side in order to cool the compressor with refrigerant and lower the discharge temperature Details Motorized valve operation in drooping zone Motorized valve is operated every 20 seconds Outdoor motorized valves Receiver function ON or EVN in fully open condition Normal cooling operation EVG EVG 5 pulses EVL EVL 5 pulses Normal heating ...

Page 163: ...heat exchanger temperature Target discharge temperature α Condensation temperature β evaporating temp γ The correction value for the motorized valve is determined based on the table fuzzy table of deviation of the target discharge temperature and actual discharge temperature and per unit time change amount of discharge temperature and used for the operation of the motorized valve Target discharge ...

Page 164: ...ing operation under low outside temperature Since the fan control alone cannot maintain appropriate compressor differential pressure the control function sends surplus refrigerant to the outdoor heat exchanger in order to reduce the heat exchanger performance and maintain the high pressure When excessive liquid refrigerant is collected in outdoor heat exchanger Reduction of outdoor heat exchanger ...

Page 165: ...vent rotor dew condensation 3 28 2 BP Unit Motorized Valve Control During Frequency Change This function improves the convergibility and stability of refrigerating cycle when the frequency varies significantly Outline When the target frequency FMK fluctuates as much as the specified frequency range for a certain time duration 10 sec during discharge pipe temperature control the discharge pipe temp...

Page 166: ... 4 Stops transmission of motorized valve initialization signal when EVH retightening is completed 3 28 5 Control Based on Absolute Flow Rate Instruction Purpose of the Function This function operates the motorized valve based on the absolute flow rate instruction sent from the outdoor unit Outline The motorized valve flow rate operation based on the absolute flow rate instruction provides the foll...

Page 167: ...the amount of change in the target motorized valve flow rate Base on absolute flow rate QR sent from the outdoor unit the corrected flow rate value for each room unit is obtained with the following equation QRDA QR KSQA ΣKSQRU βR ΣKSQRT QRDB and QRDC are obtained in the same way QRDA QR βR KSQRA ΣKSQRU βR ΣKSQRT In case of the room A unit does not operate QRDA can be obtained with the following eq...

Page 168: ...m unit When gas pipe temperature is lower than average Closes the valve of that room unit However the closing operation is restricted to prevent the valve operation that results in a flow rate that exceeds a certain level at one time Protection function to prevent rotor frosting Details The gas pipe temperature is detected at every sampling 40 SEC operation of the gas pipe isothermal control and a...

Page 169: ...ction and previous deviation EGAZ Example The following example is based on room A EGA DGA DGAV When the operating flow rate of EVA is QRGA QRGA KPCB 0 05 EGA EGAZ KIB 0 32 EGA EGAZ 0 05 EGA EGAZ 0 016 EGA EGAZ When QRGA QHENC 0 12 the following condition is set QRGA QHENC 0 12 Nm hr Outside Air Temperature Gas Pipe Lower Limit Temperature 5 0 0 1 5 2 10 3 15 4 20 5 25 6 30 7 35 8 40 9 45 10 ...

Page 170: ...hat room unit However the closing operation is restricted to prevent the valve operation that results in a flow rate that exceeds a certain level at one time When the liquid pipe temperature is higher than the heat exchanger temperature the motorized valve is opened without providing the above control Protection function to prevent rotor dew condensation Details The gas pipe temperature and indoor...

Page 171: ...pened based on the fixed value determined by QRSHA 0 12 Nm hr with QRSHA being the flow rate operating amount relative value provided by the SH control In normal condition DLA DCA when SHA DGA DCA DSH and the previous value is SHAZ QRSHA 0 05 SHA SHAZ 0 32 SHA SHAZ 0 05 SHA SHAZ 0 016 SHA SHAZ Where QRSHA QHENCS QRSHA QHENCS1 Notes 1 In Sky Air models the indoor units are equipped with distributio...

Page 172: ...er than target SC Opens the valve of that room unit When SH is lower than target SC Closes the valve of that room unit However the valve operating amount is restricted to prevent a flow rate that exceeds a certain level at one time For improvement of stability and convergibility performance The determination of the location accumulator receiver non operating room units operating room units to coll...

Page 173: ... are detected at every sampling time of 60 sec of the heating SC control The range of target SC 3 C SC1 8 C The motorized valve of operating room unit is operated to obtain the target SC Target SC Current SC Evr closed Target SC Current SC Evr opened 0 1 2 3 4 5 6 7 8 9 10 0 50 100 150 Capacity supply QCOMP Target SC M1050 ...

Page 174: ...termined value it is judged that that indoor unit heat exchanger thermistor position in subcooled zone and the motorized valves of room units with the temperature difference exceeding the predetermined level is opened to return to the saturation zone Since this is a protection function it is effective for all connected room units in heating operation excluding those in defrosting operation This fu...

Page 175: ...Discharge Pipe Temperature When the discharge pipe temperature exceeds a certain level during compressor operation this function opens the motorized valve to return the refrigerant to a low pressure level in order to cool the compressor with refrigerant and lower the discharge temperature ...

Page 176: ...uding non operating room units in heating operation are detected Then the highest heat exchanger temperature DCMXT is compared with the heat exchanger temperature of each room unit If the temperature difference exceeds the predetermined value it is judged that that indoor unit heat exchanger thermistor position in subcooled zone and the motorized valves of room units with the temperature differenc...

Page 177: ... is lower than average gas pipe temperature Closes the valve of that room unit In this control the following conditions are also effective When the difference between the gas pipe temperature of each room unit and the average value is small no correction is provided Judged as stable Set as PI control prohibit zone to prevent hunting The motorized valve opening degree correction of this function is...

Page 178: ...er temperature the motorized valves flow rates are regulated so as to adjust the actual discharge pipe temperature close to the calculated value Target discharge temp α condensing temp β evaporating temp γ The correction value for the motorized valve is determined based on the table fuzzy table of deviation of the target discharge temperature and actual discharge temperature and per unit time fluc...

Page 179: ...tches the operating frequency exceeding a specified frequency is output for a predetermined time duration to ensure differential pressure necessary for the 4 way valve operation Details 3 37 2 4 Way Valve Switching Outline When the outdoor heat exchanger is used as a condenser in cooling and defrosting the 4 way valve is not supplied with current When the indoor heat exchanger is used as a condens...

Page 180: ...frequency target discharge temperature and target SC Details Instruction frequency FSR is set as follows FSR FJIS Cooling operation 90 Hz Heating operation 98 Hz Target discharge pipe temperature DOSET is set as follows DOSET DOSTJS Cooling operation 85 C Heating operation 75 C Outdoor fan tap is set to FANJIS Cooling Upper fan 775 rpm Lower fan 715 rpm Heating Upper fan 775 rpm Lower fan 715 rpm ...

Page 181: ...eceiver Details 4 way valve Command frequency Outdoor unit upper fan Outdoor unit lower fan EVP EVL EVG Each room motorized valve BP bypass motorized valve ON OFF 30 Hz 45Hz 775rpm 715rpm 450 pulses 450 pulses 0 pulse 0 pulse 450 pulses 450 pulses 450 pulses 450 pulses 0 pulse Max 3 min or LP 0 5 kg cm 1 5min Max 5 min or LP 1 5 kg cm or Suction superheat degree SHS 10 C M1052 ...

Page 182: ... of the high pressure Freeze up prevention control Based on the freeze up prevention status information sent from the BP unit indoor unit the zones are produced to prevent freezing up of the indoor heat exchanger Even if the stop zone is reached the zone remains as the drooping zone for 540 sec DCPC5 68 C DCPC4 56 C DCPC3 54 C DCPC2 52 C DCPC1 50 C Stop zone Drooping zone No change zone Increasing...

Page 183: ...o the continuous flow of refrigerant during heating operation To solve this problem the fan ON OFF control is provided at predetermined intervals ON time 300 sec OFF time 90 sec for indoor unit thermostat monitoring Abnormality Processing Icing prevention function for non operating room units When 10 minutes pass from the time a room unit stops operating while the compressor is in operation room t...

Page 184: ...efrigerant 179 1 9 1 Room Operation Indoor Unit with Large Capacity Cooling 180 1 10 1 Room Operation Indoor Unit with Small Capacity 2 5 kW Cooling 181 1 11 Standby Operation Heating 182 1 12 Equalizing Control Heating 183 1 13 Oil Return Operation Heating 184 1 14 Defrost Operation 185 1 15 All Room Operation Heating 186 1 16 Multi Room Operation with non Operating Room Unit Heating 187 1 17 Mul...

Page 185: ... 0 pls 0 pls 1 3 Equalizing Control OFF 450 pls 52 0 pls 450 100 pls 0 pls 0 pls 0 pls 1 4 Oil Return Operation Main Gas Pipe Oil Return OFF 0 200 60 100 or 450 100 450 52 450 pls 0 pls 450 pls 1 5 Low Outside Air Temperature Cooling 2 5kW 1 Room Operation NO OFF 0 200 0 100 EVL 0 0 pls 52 450 pls 0 pls 0 pls 1 6 All Room Operation NO OFF 0 pls 0 100 EVL 0 0 pls 52 450 pls 0 pls 0 pls 1 7 Multi Ro...

Page 186: ... A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER M M M M M M BP UNIT M1300 Productive operation patterns On stopping the cooling operation On starting the cooling operation When cooling standby operation has not completed yet Securing the reliabilit...

Page 187: ...RONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE EXPANSION VALVE BYPASS FILTER FILTER ELECTRONIC EV H EXPANSION VALVE ROOM A EXPANSION VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PI...

Page 188: ...EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FA...

Page 189: ...ANSION VALVE BYPASS FILTER FILTER ELECTRONIC EV H EXPANSION VALVE ROOM A EXPANSION VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER FIEL...

Page 190: ...DE LIQUID SIDE LIQUID SIDE EXPANSION VALVE BYPASS FILTER FILTER ELECTRONIC EV H EXPANSION VALVE ROOM A EXPANSION VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN F...

Page 191: ...B GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE EXPANSION VALVE BYPASS FILTER FILTER ELECTRONIC EV H EXPANSION VALVE ROOM A EXPANSION VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER FIELD PIPING FIELD PIPING CuT 6 4...

Page 192: ... ELECTRONIC EV H EXPANSION VALVE ROOM A EXPANSION VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER M M M M M M BP UNIT M1306 Productive operation patterns Partial load operation Conditions EVL is not fully closed...

Page 193: ... EV H EXPANSION VALVE ROOM A EXPANSION VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER M M M M M M BP UNIT M1307 Productive operation patterns 1 room operation with large capacity indoor unit Conditions EVL is n...

Page 194: ...OR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER M M M M M M BP UNIT M1308 Productive operation patterns 1 room operation 2 5kW 1 room operation Conditions When the operating frequency droops at the minimum frequency with freeze up protection control In case the freeze up protection control stays within the drooping zone e...

Page 195: ...SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER M M M M M M BP UNIT M1309 Productive operation patterns On stopping the heating operation On starting the heating operation When the standby operation has not been completed yet before unit operation stop Securing the reliability oil dilution proof in particular of the compressor by th...

Page 196: ...R THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE EXPANSION VALVE BYPASS FILTER FILTER ELECTRONIC EV H EXPANSION VALVE ROOM A EXPANSION VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN ...

Page 197: ...ON VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE EXPANSION VALVE BYPASS FILTER FILTER ELECTRONIC EV H EXPANSION VALVE ROOM A EXPANSION VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE L...

Page 198: ...TRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE EXPANSION VALVE BYPASS FILTER FILTER ELECTRONIC EV H EXPANSION VALVE ROOM A EXPANSION VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD P...

Page 199: ...ECTRONIC EV H EXPANSION VALVE ROOM A EXPANSION VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER M M M M M M BP UNIT M1313 Productive operation patterns All room operation Conditions 1 Unit is not in the capacity ...

Page 200: ...M A EXPANSION VALVE ROOM B ELECTRONIC ELECTRONIC EV A EV B FILTER FILTER THERMISTOR DLA THERMISTOR DLB THERMISTOR DGA THERMISTOR DGB GAS SIDE GAS SIDE LIQUID SIDE LIQUID SIDE FIELD PIPING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER M M M M M M BP UNIT FILTER M1314 Productive operation patterns Multi room operation with non operating room unit Conditions 1 Not in the capacity con...

Page 201: ...N MOTOR M HEAT EXCHANGER M M M M M M BP UNIT M1315 Productive operation patterns Partial load operation Conditions 1 Not in the capacity control The operating frequency does not droop to the minimum frequency by high pressure control system protection 2 In all room unit operation 3 All non operating room units motorized valve opening is minimum In case that the conditions 1 and 2 or 3 are met As t...

Page 202: ...ANGER M M M M M M BP UNIT M1316 Productive operation patterns Heating 1 room operation with large indoor unit capacity Conditions 1 In capacity control Capacity control range small when the operating frequency droops to the minimum frequency by the protective function of high pressure control system In case the peak cut control stays within the drooping zone even when the operating frequency becom...

Page 203: ...ING FIELD PIPING CuT 6 4CuT SIRROCO FAN FAN MOTOR M HEAT EXCHANGER M M M M M M BP UNIT M1317 Productive operation patterns Heating 1 room operation 2 5kW 1 room operation Conditions 1 In capacity control Capacity control range large When the operating frequency droops to the minimum frequency with high pressure control system protection function control In case the peak cut control stays within th...

Page 204: ...Operations Operations Operations Operations 1 Remote Controller 192 1 1 Wireless Remote Controller 192 1 2 Wired Remote Controller 202 The RMK140JAVM specifications are special Refer to RMK140JAVM s important points on page ii for the changes in contents ...

Page 205: ...imer setting FAN setting button It selects the air flow rate setting SWING button Intelligent Eye button Good Sleep Cooling Operation G SLEEP It changes the temperature setting Display It displays the current settings In this illustration each section is shown with all its displays ON for the purpose of explanation Some models may not show all its indications ON TIMER button ON TIMER Setting butto...

Page 206: ...Si18 201 Remote Controller Operations 193 1 1 2 FVX25 35KZ ...

Page 207: ...Remote Controller Si18 201 194 Operations 1 1 3 FTXD25 35KZ ...

Page 208: ...Si18 201 Remote Controller Operations 195 1 1 4 FTK FTX50 60H ...

Page 209: ...Remote Controller Si18 201 196 Operations 1 1 5 FTKD FTXD50 60 71J ...

Page 210: ... setting FAN setting button It selects the air flow rate setting SWING buttons It changes the temperature setting Display It displays the current settings In this illustration each section is shown with all its displays ON for the purpose of explanation POWERFUL button It selects the operation mode HOME LEAVE button MODE selector button TEMPERATURE adjustment button OUTDOOR UNIT SILENT button OFF ...

Page 211: ...n It cancels the timer setting FAN setting button It selects the air flow rate setting It changes the temperature setting Display It displays the current settings In this illustration each section is shown with all its displays ON for the purpose of explanation Some models may not show all its indications ON TIMER button TIMER Setting button It Changes the time setting MODE selector button It sele...

Page 212: ...s the timer setting FAN setting button It selects the air flow rate setting SWING button It changes the temperature setting Display It displays the current settings In this illustration each section is shown with all its displays ON for the purpose of explanation Some models may not show all its indications ON TIMER button ON TIMER Setting button It Changes the time setting MODE selector button It...

Page 213: ...Remote Controller Si18 201 200 Operations 1 1 9 FHYC35 50 60 71K Optional Accessory BRC7C612WC ...

Page 214: ...Si18 201 Remote Controller Operations 201 ...

Page 215: ...Remote Controller Si18 201 202 Operations 1 2 Wired Remote Controller 1 2 1 FHYC35 50 60 71K Optional Accessory BRC1B61 REMOTE CONTROLLER 1 2 2 FDYM60 03F Standard Accessory BRC1B62 REMOTE CONTROLLER ...

Page 216: ...Si18 201 Remote Controller Operations 203 ...

Page 217: ...Remote Controller Si18 201 204 Operations ...

Page 218: ...peration Switch 210 1 4 Record of the Installation Position 211 2 Method of Field Set 212 2 1 Field Setting 212 2 2 Group Number Setting for Central Remote Control 220 2 3 Interface Adaptor for Room Airconditioner KRP928A1S 221 2 4 Precautions For RMK140J RMX140J Outdoor Unit Users 223 The RMK140JAVM specifications are special Refer to RMK140JAVM s important points on page ii for the changes in co...

Page 219: ...ndoor units Check the wiring Check the LED of the appropriate BP unit Check that the number of indoor units installed and the indication on the P panel are the same Press the SET SW on the service monitor P panel The flashing becomes lighting indication Now the trial operation is possible If the SET SW was pressed even though the number of indoor units installed and the indication on the P panel a...

Page 220: ...1 and BP3 do not agree with the indication There is transmission failures between BP units and indoor units Check the connecting wiring in part in the diagram below When checking the connecting wiring make sure the wire numbering is correct and that there are no numbers missing Normal Flash Transmission failure Switch Box Service Monitor OUTDOOR UNIT INDOOR UNIT 1 INDOOR UNIT 2 INDOOR UNIT 4 INDOO...

Page 221: ...60 minutes check that the temperature difference between inlet and outlet is 15 C or higher 6 Upon completion of the trial operation stop the operation for all rooms with the remote controller Note 1 When performing a trial operation check that the indoor outdoor temperatures satisfy the following conditions Cooling 5 C or higher Heating 25 C or lower 2 For the pump down procedure refer to the tro...

Page 222: ...ONS 1 Test operation stops automatically in about 60 minutes 2 Cooling test operation cannot be performed if the outside air temperature is 5 C or lower 3 Operate SkyAir indoor unit in the same mode TO CONTINUE TEST OPERATION Press the TEST SW SW7 again TO RESET TEST OPERATION Press the TEST SW SW7 wait at least 3 seconds and press the TEST SW again Digital display Blinking Q0001 ...

Page 223: ...SWITCH SW4 PUMP DOWN OPERATION STOPS when LP Low Pressure COMES TO 0 5kg cm2 or automatically in about 8 minutes CAUTIONS 1 If the LP is 1kg cm2 or less the LP display blinks 2 If the LP fails to drop below the specified level within the specified time during pump down operation appears in the display This means that the outside air is low and the pipes are long and cold Repeat the pump down opera...

Page 224: ...d the installation location of each device When conducting a trial operation use the information for reference purpose Ex Kitchen Children s room 2 After completing the operating test in 10 record the installation locations of the BP units and indoor units on the concentrated plate attached to the front of the outdoor unit INDOOR UNIT Max 7 rooms OUTDOOR UNIT 1 30A 1 50Hz 220 240V 1 60Hz 220 230V ...

Page 225: ...d choose the desired MODE NO 3 If the unit is under group control it is unified set factory set However if setting on each indoor unit bases or confirming after the setting use the MODE NO in the for the setting Under group control press the button and select the indoor unit no that you are setting to set on each indoor unit bases Unnecessary at unified setting of group control and the UNIT NO is ...

Page 226: ...n and the present settings are SET 6 Push the button to return to the NORMAL MODE 2 1 1 Initial Setting Contents Note A heat pump type indoor unit is used for cooling only twin system in case of using ceiling mounted cassette and ceiling suspended types Setting Contents Indoor Models Filter Sign Filter Sign Estimationof Accumulated Operating Hours High Air Outlet Velocity for Application to Ceilin...

Page 227: ...lter Ultra Long Life Filter 1 Setting Description Ultra Long Life Filter 2 3 Estimation of filter operating hour Change setting when filter sign indication is not used ON OFF 11 21 0 No of Sky Air indoor units connected for simultaneous ON OFF multi system Change setting when simultaneous operation multi system is used Note 3 Pair Twin Triple 1 Simultaneous operation multi unit individual setting ...

Page 228: ...remote controller due to initialization operation 2 1 3 Detailed Explanation of Setting Modes Ceiling Type Setting Switch for Air Flow Adjustment Make the following setting according to the ceiling height The setting position No is set to 01 at the factory In the Case of FHYC 35 to 71 class Air Flow Direction Setting Set the air flow direction of indoor units as given in the table below Set when o...

Page 229: ...ng together with a wired remote controller you have to change the main sub setting or the receiver Setting the Receiver Through the small opening on the back of the receiver set the wireless address switch SS2 on the printed circuit board according to the table below When using both a wired and a wireless remote controller for 1 indoor unit the wired controller should be set to MAIN Therefore set ...

Page 230: ...s the button to enter the setting 5 Hold down the button for at least 1 second to quit the FIELD SET MODE and return to the normal display Multiple Settings A b When the indoor is being operating by outside control central remote controller etc it sometimes does not respond to ON OFF and temperature setting commands from this remote controller Check what setting the customer wants and make the mul...

Page 231: ... units of the group are equal For group control refer to the installation manual attached to the indoor unit for group control Fan Speed OFF when Thermostat is OFF When the cool heat thermostat is OFF you can stop the indoor unit fan by switching the setting to Fan OFF Used as a countermeasure against odor for barber shops and restaurants Setting Table Ultra Long Life Filter Sign Setting When a Ul...

Page 232: ...controllers When using 2 remote controllers one of either the control panel or the separate remote controller must be set to MAIN and the other to SUB MAIN SUB CHANGEOVER Procedure 1 Insert a screwdriver into the recess between the upper and lower part of remote controller and working from the 2 positions pry off the upper part The remote controller PC board is attached to the upper part of remote...

Page 233: ...ng or not before the power on when the power is ON there will sometimes happen the case that it will become the state which once all lumps will turn on before the central control lump will turn on in approx one minute rejecting the handling for the control blinking as repeating two times ON and one time OFF 2 Hold down button for a minimum of 4 seconds and then the remote controller will enter the...

Page 234: ...Si18 201 Method of Field Set Operating Test 221 2 3 Interface Adaptor for Room Airconditioner KRP928A1S ...

Page 235: ...Method of Field Set Si18 201 222 Operating Test Note Setting of Centralized Controller DCS301B61 DCS302B61 KRC72 Please refer to Operating Installations of each controllers ...

Page 236: ...al Type Indoor Unit 1 All indoor units In heating operation when all indoor units are stopped the outdoor unit stops its operation automatically after 5 minutes This is a part of preparation process for the next operation not a failure With the thermostat OFF 1 the fan may start stop automatically this is not a failure In heating operation no warm air may come out temporarily This is to protect th...

Page 237: ...Method of Field Set Si18 201 224 Operating Test ...

Page 238: ...by Wired Remote Controller 247 2 3 Fault Diagnosis by Wireless Remote Controller 248 2 4 Troubleshooting by LED on the Indoor Unit s 250 2 5 Troubleshooting by Remote Controller Display LED Display 251 2 6 Troubleshooting Detail 252 3 Troubleshooting Outdoor Unit Related 260 3 1 The Unit Runs but Doesn t Cool Heat the Room 260 3 2 7 Seg Display on the Outdoor P C Board 262 3 3 Troubleshooting Deta...

Page 239: ... Operation lamp blinks Cause of above trouble could be Operation mode butting Check followings Are the operation modes all the same for indoor units connected to Multi system outdoor unit If not set all indoor units to the same operation mode and confirm that the operation lamp is not blinking Moreover when the operation mode is in Auto set all indoor unit operation mode to Cool or Heat and check ...

Page 240: ... the PCB The flashing green LED indicates normal equipment condition and the OFF condition of the red LED indicates normal equipment condition Troubleshooting with the green LED Even after the error is cancelled and the equipment operates in normal condition the LED indication remains Indoor Unit For example FTK50 60H Series FTX50 60H Series ...

Page 241: ...2 A5 3 F3 13 H8 23 J9 4 E6 14 J3 24 E8 5 L5 15 A3 25 P4 6 A6 16 A1 26 L3 7 E5 17 C4 27 L4 8 LC 18 C5 28 H6 9 C9 19 H9 29 H7 10 U0 20 J6 30 U2 C ON AMPM AMPM TEMP ON OFF MODE SLEEP SENSOR ON OFF TIMER FAN SWING CANCEL POWERFULL Transmitter It sends signals to the indoor unit ON OFF button Press it once to start operation To stop it press it once again CLOCK button TIMER CANCEL button It cancels the...

Page 242: ...er cancel button repeatedly until a continuous beep is produced The code indication changes in the sequence shown below and notifies with a long beep Note 1 A short beep and two consecutive beeps indicate non corresponding codes 2 To cancel the code display hold the timer cancel button down for 5 seconds The code display also cancels itself if the button is not pressed for 1 minute No Code No Code...

Page 243: ...d abnormality C4 or C5 Heat exchanger temperature thermistor abnormality C9 Room temperature thermistor abnormality CA Discharge air temperature thermistor abnormality Outdoor Unit E5 OL activation IT activation or High discharge pipe temperature E6 Compressor startup error F3 Operation halt due to discharge pipe control function H8 CT or related abnormality H9 Outside air thermistor or related ab...

Page 244: ... abnormality 236 CA Discharge thermistor or related abnormality 236 Faulty indoor unit PCB 237 238 or U4 Faulty power supply or indoor unit PCB 239 U4 Signal transmission error between indoor and outdoor units 243 Indoor Unit LED Indication Indicationonthe remote controller Description of the Fault Details of fault Refer to the indicated page Green A B 5 5 00 or Indoor unit in normal condition Con...

Page 245: ...tion Decision Conditions When there is no zero cross detection in approximately 10 continuous seconds Supposed Causes Faulty indoor unit PCB Faulty connector connection Troubleshooting Note Connector Nos vary depending on models Control connector S35 and S26 Connector connection check note YES Is it normal NO Correct connections Replace PCBs 1 and or 2 3 MF001 Caution Be sure to turn off power swi...

Page 246: ...lt is activated during cooling operation according to the temperature detected by the indoor unit heat exchanger thermistor Malfunction Decision Conditions High pressure control During heating operations the temperature detected by the indoor heat exchanger thermistor is above 67 C Freeze protection When the indoor unit heat exchanger temperature is below 0 C during cooling operation Supposed Caus...

Page 247: ...he dust accumulation on the indoor unit heat exchanger YES YES Is there any short circuit Is it very dirty Is it very dirty Does it conform to the thermistor characteristic chart NO Provide sufficient air passage Clean the air filter Clean the heat exchanger Replace the indoor unit PCB Replace the thermistor replace the indoor unit PCB Caution Be sure to turn off power switch before connect or dis...

Page 248: ... due to faulty indoor unit PCB 1 Detection error due to faulty indoor unit PCB 2 Troubleshooting Check No 15 Refer to P 309 Rotate the fan by hand Check No 15 Check hall IC Operate the fan Does it rotate NO Does it rotate smoothly Is there an output Is it at the rated voltage Is there conductivity NO Check the capacitor s conductivity Check the fan motor voltage immediately after re start Is it at...

Page 249: ...e When above about 212 C less than 120 ohms or below about 50 C more than 1 860 kohms Note The values vary slightly in some models Supposed Causes Faulty connector connection Faulty thermistor Faulty PCB Troubleshooting Check No 8 Refer to P 305 C4 Heat exchanger temperature thermistor C5 Heat exchanger temperature thermistor C9 Suction air thermistor CA Discharge air thermister Check the connecto...

Page 250: ...s Microcomputer program is in abnormal condition due to an external factor Noise Momentary voltage drop Momentary power failure etc Faulty indoor unit PCB Troubleshooting Turn on the power again Check the grounding earth YES Replace the outdoor unit PCB Provide proper grounding The malfunction may be caused by an external factor rather than defective parts Locate the cause of the noise etc and cor...

Page 251: ...D Display A 5 B 4 Note No LED Display on FTK X 25 35J Series Method of Malfunction Detection The condition of the transmission circuit for indoor outdoor signal transmission is detected Malfunction Decision Conditions When the transmission circuit remains ON Supposed Causes Faulty indoor unit PCB Troubleshooting Replace the indoor unit PCB ...

Page 252: ...eive signals transmitted by the outdoor unit in indoor outdoor signal communications Supposed Causes Display disabled by fault power supply Faulty signal transmitting receiving circuit in indoor printed circuit boards 1 and 2 Microcomputer program is in abnormal condition due to an external factor Noise Momentary voltage drop Momentary power failure etc Faulty indoor unit PCBs 1 and 2 Troubleshoot...

Page 253: ...TK X 25 35J Series Method of Malfunction Detection The proper program operation of the microcomputer is checked by the program Malfunction Decision Conditions When the microcomputer program does not function properly Supposed Causes Display disabled by fault power supply Microcomputer program is in abnormal condition due to an external factor Noise Momentary voltage drop Momentary power failure et...

Page 254: ...fuse of the terminal board Check the fuse of the indoor unit PCB Is the connection proper Check the connection wire contact at the terminal board NO NO YES YES YES YES Check the power supply and correct it if not proper Replace the varistor Replace the fuse Replace the thermal fuse of the terminal board Replace the terminal board and thermal fuse MF007 To next page 1 YES Caution Be sure to turn of...

Page 255: ...heck Check the connector connection between indoor unit PCBs 1 and 2 Is the grounding proper Check the grounding NO NO YES YES YES YES YES Replace the transformer Correct the connector connection Replace the indoor unit PCB 2 Replace the indoor unit PCB 1 Provide proper grounding The malfunction may be caused by an external factor rather than defective parts Locate the cause of the noise etc and c...

Page 256: ... waveform Indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units wire No 2 Troubleshooting Check No 13 Refer to P 308 Check the outdoor unit s LED A Check the indoor unit outdoor unit connection wires YES YES Correct the indoor unit outdoor unit connection wires Diagnose the outdoor unit Replace the connection wires b...

Page 257: ... 25 35 J Series Method of Malfunction Detection The data received from the indoor unit in indoor unit remote controller signal transmission is checked whether it is normal Malfunction Decision Conditions When the data sent from the outdoor unit cannot be received normally or when the content of the data is abnormal Supposed Causes Faulty outdoor unit PCB Faulty indoor unit PCB Faulty remote contro...

Page 258: ...smission error between indoor and outdoor units Correct the connection Replace the remote controller cable Replace the remote controller or indoor unit PCB Outdoor unit s LED A Flashing Flashing MF010 Indoor unit s LED A Indoor unit s LED B Is it normal Check the cable between the indoor unit and remote controller Check the indoor unit s LED B NO Check the cable connection between the indoor unit ...

Page 259: ... mode malfunction contents can be cleared by continuing to press the ON OFF button for 5 seconds Let you know completion timing by blinking To carry out a test run follow the procedure below 1 Open the gas side stop valve all the way 2 Open the liquid side stop valve all the way 3 Energize the crank case heater for 6 hours 4 Enter the test run mode 5 Continue to operate by the operation switch for...

Page 260: ... malfunction the remote controller s operation LED blinks and malfunction code is displayed Even if stop operation is carried out malfunction contents are displayed when the inspection mode is entered The malfunction code enables you to tell what kind of malfunction caused operation to stop See page 251 for malfunction code and malfunction contents ...

Page 261: ...3 and 4 Continue the operation in step 4 until a buzzer remains ON The continuous buzzer indicates that the malfunction code is confirmed Continuous beep No abnormality 3 Press the MODE selector button The left 0 upper digit indication of the malfunction code flashes 4 Malfunction code upper digit diagnosis Press the UP or DOWN button and change the malfunction code upper digit until the malfuncti...

Page 262: ...Si18 201 Troubleshooting SkyAir Indoor Unit Service Diagnosis 249 ...

Page 263: ...asten terminal from the PC board hold down the PC board with your finger and do not apply excessive force Also do not hold the neck of the fasten terminal and pull the lead wire 2 Do not use a mega tester on the secondary side transformer secondary side of the electronic circuitry 3 Even when not energized beware of static electricity when touching parts or pattern If handling PC board when dry wi...

Page 264: ...0 class Indoor Unit Malfunctions Indoor Unit LED Display Note 2 Remote Controller Display Location of Malfunction Contents of Malfunction Details of Malfunction Reference Page H1P H2P Other than PC Board PC Board Outdoor Unit Indoor Unit Remote Controller 5 5 Note 1 Normal to outdoor unit 5 4 A1 Failure of indoor unit PC board For troubleshooting by LED refer to p 250 252 5 3 4 3 5 5 A3 Malfunctio...

Page 265: ...n Decision Conditions When data could not be correctly received from the E PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Failure of PC board Troubleshooting Turn the power supply off once and then back on YES Normal reset NO Could be outside cause noise etc other than malfunction Indoor unit PC board replacement MF011 Caut...

Page 266: ...ble Models FHYC Method of Malfunction Detection By float switch OFF detection Malfunction Decision Conditions When rise of water level is not a condition and the float switch goes OFF Supposed Causes Failure of drain pump Improper drain piping work Drain piping clogging Failure of float switch Failure of indoor unit PC board Failure of short circuit connector ...

Page 267: ...pear Remove the float switch from X15A short circuit X15A and restart operation NO NO NO NO NO NO Continuity check of short circuit connector Corner or built in type Is the short circuit connector connected to X15A on the indoor unit PC board Is the float switch connected to X15A Is the drainwater level abnormally high If A3 is detected by a PC board which is not mounted with X15A the PC board is ...

Page 268: ...en output voltage to the fan is maximum Supposed Causes Failure of indoor unit fan motor Broken or disconnected wire Failure of contact Failure of indoor unit PC board Troubleshooting YES With X26A unplugged and the power supply turned on is there about 12 VDC between pins 1 and 3 of X26A NO Connect correctly Indoor unit PC board replacement Check indoor unit fan motor and motor wiring MF013 Cauti...

Page 269: ...Troubleshooting Connect correctly Connect correctly Are the connectors correctly connected to X29A and X14A on the PC board Is the limit switch s transfer connector correctly connected Does the swing flap motor swing Turn the power supply off once and back on and check whether the swing flap motor swings when the power supply is turned back on Caution Be sure to turn off power switch before connec...

Page 270: ...n the PC board A capacity setting adaptor that matches the capacity of the unit is required in the following case If the indoor PC board installed at the factory is for some reason changed at the installation site the capacity will not be contained in the replacement PC board If you connect a capacity setting adaptor to a PC board in which the capacity is memorized the capacity setting for the PC ...

Page 271: ...conversion table Thermistor temperature and resistance conversion table Disconnect the heat exchange sensor R2T from X18A on the indoor unit PC board and measure the resistance Heat exchanger senser replacement If contact is OK replace outdoor unit PC board Is the thermistor normal See note MF016 NO YES Caution Be sure to turn off power switch before connect or disconnect connector or parts damage...

Page 272: ...ion table Thermistor temperature and resistance conversion table Disconnect the suction air temperature sensor R1T from X19A on the indoor unit PC board and measure the resistance Suction air temperature sensor replacement If contact is OK replace outdoor unit PC board Is the thermistor normal See note MF017 NO YES Caution Be sure to turn off power switch before connect or disconnect connector or ...

Page 273: ...additional unit Make it within the specified length Refer to the contents of Checking installation status Refer to the contents of Refrigerant system check Perform the same remedy as that when lack of gas is detected Is the temperature set correctly Are the types of indoor and outdoor units correctly selected to connect YES Caution Be sure to turn off power switch before connect or disconnect conn...

Page 274: ...ibility of EVP malfunction EVP coil disconnected EVP clogged with dust defective What operation mode is applied Is stop valve open YES Does the refrigerant passing noise always come from EVH of BP unit NO MF019 NO Are the heat exchanger intermediate temperature and the liquid pipe temperature in the room with unit run excessively close to the saturated temperature equivalent to the high pressure Y...

Page 275: ...UNIT Electoric component box over temperature OUTDOOR UNIT Radiation fin over temperature OUTDOOR UNIT Compressor overload compressor motor wire cut OUTDOOR UNIT Malfunction of electoric component box sensor OUTDOOR UNIT Malfunction of power unit temperature sensor OUTDOOR UNIT Power supply insurfficient or instantaneous failure CAUTION It is possible to check if the outdoor unit or a BP unit is m...

Page 276: ...frigerant Motorized valve clogged Troubleshooting Check No 1 Refer to P 300 Check No 2 Refer to P 300 Check No 3 Refer to P 301 YES To E7 Flow Chart Connect correctly Replace HPS without continuity Apply required remedy subject to the case Replace motorized valve if faulty Replace control PC board Replace motorized valve if faulty Replace control PC board Does the outdoor unit fan rotate Does the ...

Page 277: ...e compressor When a compressor lock is generated 4 times the system shuts down The 4 time counter resets itself when no outdoor unit abnormality occurs within 60 minute cumulative time after the error generation Supposed Causes Faulty compressor Troubleshooting Turn the power supply off once and then back on to restart Replace control PC board Replace compressor Does the compressor abnormally stop...

Page 278: ... resets itself when no outdoor unit abnormality occurs within 60 minute cumulative time after the error generation Supposed Causes Interference by foreign matters with propeller Faulty fan PC board Faulty fan motor Troubleshooting Check No 4 Refer to P 301 Turn the power supply off YES Remove obstacles Replace fan motor Could be temporary causes including noise etc Replace fan motor Replace fan PC...

Page 279: ...ect detection due to faulty PC board Short circuit Troubleshooting Check No 5 Refer to P 302 Check No 6 Refer to P 303 Check No 7 Refer to P 304 Check No 1 Refer to P 300 Check No 2 Refer to P 300 YES Apply required remedy subject to the case Replace control PC board filter PC board Apply required remedy subject to the case Apply required remedy subject to the case Apply required remedy subject to...

Page 280: ...f electronic expansion valve Outside cause noise etc Troubleshooting Note The applicable part of motorized valve is displayed via rotary switch 01 Turn the power supply off once and then back on Keep using as it is Could be outside error other than malfunction Correct the connection Electronic expansion valve faulty Replace control PC board of the applicable part Is malfunction re generated Is the...

Page 281: ...peration halt due to other errors Supposed Causes Insufficient refrigerant Malfunction of 4 way valve Faulty discharge pipe thermistor Faulty outdoor unit PC board Water mixed in the piping at site Faulty motorized valve Faulty stop valve Faulty indoor unit solenoid valve Troubleshooting Check No 8 Refer to P 305 Check No 3 Refer to P 301 Check No 9 Refer to P 306 Correctly place the thermistor in...

Page 282: ...iod 15 seconds when cooling 150 seconds when heating passed since the compressor started Supposed Causes Malfunction of LP sensor Faulty contact of LP sensor connector Gas shortage Heating operation under low outside air temperature beyond the operative area Troubleshooting Start Check LP sensor connectors Check stop valve Charge with the proper amount of refrigerant Use as it is Is the gas lackin...

Page 283: ...Faulty high pressure switch Disconnection of high pressure switch harness Faulty connectors connection of high pressure switch Troubleshooting Check the following after letting rest for 10 minutes YES Correct the connection Replace HPS without continuity Normal resistance is 10Ω or less Replace outdoor unit PC board Are HPS connectors for control and safety correctly connected to outdoor unit PC b...

Page 284: ... start due to faulty outdoor unit PC board Malfunction to start due to stop valve closed Incorrect detection due to faulty outdoor unit PC board Input voltage error Troubleshooting Check No 6 Refer to P 303 Check No 7 Refer to P 304 YES Correct the connection Replace electrical parts Correct the connection Replace outdoor PC board Check harness Replace outdoor unit PC board Replace compressor MF02...

Page 285: ... abnormality occurs within 60 minute cumulative time after the malfunction generation Supposed Causes Incorrect connectors connection Faulty fan PC board Faulty fan motor Troubleshooting Check No 4 Refer to P 301 Turn the power supply off YES Correct the connection Temporary causes including noise etc are supposed Replace fan motor Replace fan PC board Is the malfunction re generated when turning ...

Page 286: ... error generation Supposed Causes Incorrect connectors connection Faulty thermistor Faulty power transistor Breaking of wire or faulty connection of internal wiring Faulty reactor Faulty PCB Troubleshooting Check No 11 Refer to P 307 Check No 5 Refer to P 302 Turn the power on again to re start the equipment YES Replace the outdoor unit PCB Control PCB Filter PCB Correct the internal wiring Replac...

Page 287: ...de air temperature sensor Troubleshooting A B 1 10 C 117kΩ 2 0 C 67kΩ 3 10 C 40kΩ 4 20 C 25kΩ 5 30 C 16kΩ 6 40 C 10kΩ 7 50 C 7kΩ 8 60 C 5kΩ 9 70 C 3kΩ Disconnect the thermistor connectors from outdoor unit PC board and measure the resistance of suction air temperature sensor Replace thermistor or thermistor assembly If no faulty contact is generated replace outdoor unit PC board YES Is the resista...

Page 288: ... temperature sensor Troubleshooting A B 1 10 C 117kΩ 2 0 C 67kΩ 3 10 C 40kΩ 4 20 C 25kΩ 5 30 C 16kΩ 6 40 C 10kΩ 7 50 C 7kΩ 8 60 C 5kΩ 9 70 C 3kΩ Disconnect the thermistor connectors from outdoor unit PC board and measure the resistance of discharge temperature sensor Replace thermistor or thermistor assembly If insufficient contact is not detected replace outdoor unit PC board YES Is the resistanc...

Page 289: ...n temperature sensor Troubleshooting A B 1 10 C 117kΩ 2 0 C 67kΩ 3 10 C 40kΩ 4 20 C 25kΩ 5 30 C 16kΩ 6 40 C 10kΩ 7 50 C 7kΩ 8 60 C 5kΩ 9 70 C 3kΩ Disconnect the thermistor connectors from outdoor unit PC board and measure the resistance of suction temperature sensor Replace thermistor or thermistor assembly If insufficient contact is not detected replace outdoor PC board YES Is the resistance norm...

Page 290: ...changer temperature sensor Troubleshooting A B 1 10 C 117kΩ 2 0 C 67kΩ 3 10 C 40kΩ 4 20 C 25kΩ 5 30 C 16kΩ 6 40 C 10kΩ 7 50 C 7kΩ 8 60 C 5kΩ 9 70 C 3kΩ Disconnect the thermistor connectors from outdoor unit PC board and measure the resistance of heat exchanger temperature sensor Replace thermistor or thermistor assembly If insufficient contact is not detected replace outdoor unit PC board YES Is t...

Page 291: ...pipe temperature sensor Troubleshooting A B 1 10 C 117kΩ 2 0 C 67kΩ 3 10 C 40kΩ 4 20 C 25kΩ 5 30 C 16kΩ 6 40 C 10kΩ 7 50 C 7kΩ 8 60 C 5kΩ 9 70 C 3kΩ Disconnect the thermistor connectors from outdoor unit PC board and measure the resistance of liquid pipe temperature sensor Replace thermistor or thermistor assembly If insufficient contact is not detected replace outdoor unit PC board YES Is the res...

Page 292: ...ting A B 1 10 C 117kΩ 2 0 C 67kΩ 3 10 C 40kΩ 4 20 C 25kΩ 5 30 C 16kΩ 6 40 C 10kΩ 7 50 C 7kΩ 8 60 C 5kΩ 9 70 C 3kΩ Set the rotary switch to 01 and specify the corresponding BP unit Replace thermistor or thermistor assembly If insufficient contact is not detected replace the corresponding PC board YES Is the resistance normal referring to the table below NO MF036 Caution Be sure to turn off power sw...

Page 293: ... A B 1 10 C 117kΩ 2 0 C 67kΩ 3 10 C 40kΩ 4 20 C 25kΩ 5 30 C 16kΩ 6 40 C 10kΩ 7 50 C 7kΩ 8 60 C 5kΩ 9 70 C 3kΩ Set the rotary switch to 01 and specify the corresponding BP unit Replace thermistor or thermistor assembly If insufficient contact is not detected replace the corresponding PC board YES Is the resistance normal referring to the table below NO MF037 Caution Be sure to turn off power switch...

Page 294: ...auses Defective LP sensor Faulty connectors connection of LP sensor Possibility of gas shortage When cooling Refrigerant amount 0 20 When heating Refrigerant amount 0 5 Troubleshooting Start Check LP sensor connectors Check stop valve Charge with the proper amount of refrigerant Could be outside causes other than defect Probe where the noise comes from and take remedy Replace LP sensor after colle...

Page 295: ...sets itself when no outdoor unit abnormality occurs within cumulative 60 minute after the abnormal temperature rise generation Supposed Causes Incorrect installation Abnormally high ambient temperature of electrical parts Outside causes other than noise etc Troubleshooting Check No 1 Refer to P 300 Use as it is Could be temporary causes including noise etc Apply required remedy subject to the case...

Page 296: ...ime counter resets itself when no outdoor unit abnormality occurs within 60 minute cumulative time after the abnormal rise generation Supposed Causes Incorrect installation including short circuit etc Troubleshooting Check No 1 Refer to P 300 Use as it is Apply required remedy subject to the case YES NO MF040 Caution Be sure to turn off power switch before connect or disconnect connector or parts ...

Page 297: ...ditions When the output overcurrent was input into microcomputer from the output overcurrent detection circuitry Supposed Causes Overcurrent due to faulty power transistor Overcurrent due to faulty connection of internal wiring Overcurrent due to power supply voltage error Overcurrent due to faulty PC board Incorrect detection due to faulty PC board Overcurrent due to CLOSED stop valve Overcurrent...

Page 298: ...parts damage may be occurred Check NO 6 Power transistor check Is it normal NO Power supply voltage check YES Output overcurrent will be generated due to incorrect connection of internal wiring When the operation is halted due to output overcurrent after connecting disconnecting the wiring for replacement of parts etc check the wiring again Is the stop valve fully opened NO YES Do a long term obse...

Page 299: ...rcurrent due to faulty PC board Incorrect detection due to faulty PC board Short circuit Troubleshooting Check No 5 Refer to P 302 Check No 6 Refer to P 303 Check No 7 Refer to P 304 Check No 1 Refer to P 300 Check No 2 Refer to P 300 Check No 5 Main circuit wiring connection check YES Replace control PC board filter PC board Apply required remedy subject to the case Apply required remedy subject ...

Page 300: ...rmistor Faulty power transistor Disconnection Faulty connection of internal wiring Faulty reactor Faulty compressor Faulty PC board Troubleshooting Check No 5 Refer to P 302 Check No 6 Refer to P 303 Check No 7 Refer to P 304 Check No 1 Refer to P 300 Check No 2 Refer to P 300 Check No 5 Main circuit wiring connection check NO Replace control PC board Apply required remedy subject to the case Appl...

Page 301: ...nt due to faulty PC board Incorrect detection due to faulty PC board Overload due to incorrect installation Overload at time of starting including high differential pressure start etc Troubleshooting Check No 5 Refer to P 302 Check No 6 Refer to P 303 Check No 7 Refer to P 304 Check No 1 Refer to P 300 Check No 2 Refer to P 300 YES Faulty pressure balance Apply required remedy subject to the case ...

Page 302: ... 60 seconds Supposed Causes Faulty fan PC board Outside causes noise etc Troubleshooting Could be outside causes noise etc Replace control PC board Is the error re generated when turning the power supply on again MF045 YES NO Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Note If the error should be caused by wiring connection etc fa...

Page 303: ...d Instantaneous power failure Mismatching with power supply of feedback control system Troubleshooting Check No 5 Refer to P 302 Check No 12 Refer to P 307 Check No 13 Refer to P 308 YES Could be causes on site Replace if any abnormality Replace control PC board filter PC board if the voltage is not within the range Replace active module As the system will not shut down use as it is Is the input v...

Page 304: ...A of BP is not carried out BP determined numbers are different from actual BP numbers Distortion of power supply wave Troubleshooting Turn the power supply off YES Check the transmission wire and the connection orders Replace filter PC board Is it normal MF047 NO Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check the transmission w...

Page 305: ...ould be outside causes other than errors Probe where the noise comes from and apply remedy required Probe the causes for deformation of power supply waveform and apply remedy required Replace outdoor unit control PC board MF048 YES Check No 14 Check the power supply waveform Is U4 displayed NO Is it deformed YES 1 2 ...

Page 306: ...s Incorrect connection of transmission wire Distortion of power supply waveform Troubleshooting Check No 14 Refer to P 308 Start YES Check transmission wire Could be outside causes other than errors Probe where the noise comes from and apply remedy required Probe causes to deform the power supply waveform and apply remedy required If indoor unit is probed to be normal by the diagnosis replace BP u...

Page 307: ...nnectors connection DC fan microcomputer malfunction Outside causes noise etc Malfunction of control PC board receiving circuit Troubleshooting Could be outside causes including noise etc Correct the connection to restart Replace fan PC board Is the error re generated when turning the power supply on again MF050 YES NO Caution Be sure to turn off power switch before connect or disconnect connector...

Page 308: ...on Method 1 Input current 0 09 Compressor s operating frequency 3 5 However when the above state continued for 7 minutes with the operating frequency 55 Hz Detection Method 2 discharge pipe temperature Target discharge pipe temperature 20 C that should be continued for 80 seconds or longer with motorized valve full opening Note The target discharge pipe temperature is calculated with the microcomp...

Page 309: ...Input Current error Refer to H8 Replace compressor The remedies are completed by now Is each thermister disconnected Check No 3 Is motorized valve normal MF051 Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check gas for leaking Is oil oozing from the piping joints YES YES Is oil oozing from the internal piping NO Does the compressor...

Page 310: ...ision Conditions When the system shut down due to malfunction of BP of other systems Supposed Causes Outdoor unit is not malfunctioning Transmission error by other system s BP and outdoor unit Malfunction of other system s thermistor Other system s BP malfunction including faulty motorized valve of other system s BP etc Troubleshooting Check malfunction code of outdoor unit Diagnose faulty BP usin...

Page 311: ...or higher or to 30 C or lower When BOX thermistor malfunction is detected once the system shuts down The 1 time counter automatically resets itself when cause of malfunction is resolved Supposed Causes Faulty main unit PC board Troubleshooting Start Replace main unit PC board Reset normally Could be outside causes other than parts defect MF053 Caution Be sure to turn off power switch before connec...

Page 312: ... faulty fin thermistor is detected once the system shuts down The 1 time counter automatically resets itself when cause of malfunction is resolved Supposed Causes Faulty sensor provided inside power transistor Troubleshooting Start Replace sensor provided inside power transistor Reset normally Could be outside causes other than defect MF054 Caution Be sure to turn off power switch before connect o...

Page 313: ...perature temperature of air taken in by the outdoor unit The outside air temperature shall be 43 C or lower Check the allowable dimensions of the air suction and discharge area Is the air flow blocked by obstacles or winds blowing in the opposite direction MF030 Abnormal YES YES YES Does the discharged air from other outdoor unit cause an increase of the suction air temperature NO NO NO Is the hea...

Page 314: ...s confirmed in the above step 2 mount a good coil which generated latching sound in the EV unit that did not generate latching sound and check to see if that EV generates latching sound If latching sound is generated the outdoor unit PCB is faulty If latching sound is not generated the EV unit is faulty Note Please note that the latching sound varies depending on the valve type 3 4 4 Fan Motor Pos...

Page 315: ...BLK 5 C915 C916 1 C927 1 1 WHT C904 C903 S904 S109 S104 BLK Y2E EVL M BLK Z4C L902 H2P BLK L901 C906 PCB3 BLK 6 5 S514 BLK RED3 RED Z3C 7 7 BLK WHT 1 WHT CT901 1 CT902 1 1 BLK BLK 1 S108 EVG Y1E GRY S903 S103 GRY M WHT YLW S504 YLW BLK BLU M1F BLU S951 BLK 6 ORG ORG 4 4 BLK PNK PNK 2 1 5 Z5C DISCHARGE RED RED 5 S516 R5T 1 SUCTION 3 RED RED 1 WHT WHT t R4T 3 BLK BLK 0IS15 M 1 1 S151 2 PCB1 F1U 3 15...

Page 316: ...ompressor terminals Measure of the power transistor on section of capacitor as shown in the figure below If the resistance value is not normal replace the control PC board Capacitor Voltage Check Follow the below figure to measure the capacitor voltage with breaker kept ON while take enough care not to touch the charging unit Negative terminal of tester positive terminal for digital type of power ...

Page 317: ...om the terminals Measure the output voltage of the red yellow and blue wires using a tester 1 Conduct forced cooling operation with the equipment in the condition shown in Fig 1 2 Measure the voltage between the operation start when the outdoor unit fan starts rotating to operation halt caused by an stall prevention about 5 seconds 3 Reset the power and repeat steps 1 to 3 for each phase of U V V ...

Page 318: ...f the thermistors on the PCB and measure the resistance of each thermistor using tester The relationship between normal temperature and resistance is shown in the graph and the table below Thermistor R25 C 20kΩ B 3950 Temperature C 20 211 0 kΩ 15 150 10 116 5 5 88 0 67 2 5 51 9 10 40 15 31 8 20 25 25 20 30 16 35 13 40 10 6 45 8 7 50 7 2 ...

Page 319: ...YLW PCB2 S906 ACN S952 1 GRN GRY ORG S131 ACP FG2 FG3 FG1 HPS V900 2 1 3 5 1 3 CT900 1 PNK WHT RED S105 SA900 SP V901 C925 C923 YLW S111 C926 C924 4 1 C900 Y1R S908 1 1 2 L900 S132 WHT Z2C L904 3 1 S907 2 BLK L903 1 1 S110 Y3E S107 EVP M C902 C905 WHT 3 3 BLK 5 C915 C916 1 C927 1 1 WHT C904 C903 S904 S109 S104 BLK Y2E EVL M BLK Z4C L902 H2P BLK L901 C906 PCB3 BLK 6 5 S514 BLK RED 3 RED Z3C 7 7 BLK...

Page 320: ...Compressor Check No 12 Make sure that the voltage is not impressed to the electrolytic capacitor Error Error OK Does the capacitor resistance vary at 0Ω YES YES Does the capacitor resistance vary at NO NO 450V 320V 260V 210V DC voltage Overvoltage level Variation in voltage of DC section Low voltage level change line Low voltage level Approximately 2 minutes Time ...

Page 321: ... is a sine wave Fig 1 Check to see if there is waveform disturbance near the zero cross sections circled in Fig 2 3 4 14 Total Operating Current Check Check No 14 Fig 1 Fig 2 Clamp A Clamp B n When connecting the power supply cord do not peel back more than 30mm of the cable insulation from the power supply terminal board in order to be able to pull the connecting terminal board around n Clamp the...

Page 322: ...tion of 3 pulses between pins 2 and 3 when the fan motor is Failure of 1 faulty PCB Replace the PCB Failure of 2 faulty hall IC Replace the fan motor Both 1 and 2 result Replace the PCB The connector has 3 pins and there are three patterns of lead wire colors 3 4 16 Inverter Units Indoor Unit PCB 2 Output Voltage Check Check No 16 1 Check the connector connection breaking of wire check 2 With the ...

Page 323: ...BP Unit Trouble Diagnosis Si18 201 310 Service Diagnosis 4 BP Unit Trouble Diagnosis 4 1 PCB Parts Layout 4 2 LED On Branch Provider Unit Diagnosis LEDs ...

Page 324: ...mistor 318 2 Outdoor Unit 320 2 1 Removal of Outer Panels 320 2 2 Removal of PCB and Electrical Box 321 2 3 Removal of Propeller Fans and Fan Motors 329 2 4 Removal of Thermistor 331 2 5 Removal of Motorized Valve 332 2 6 Removal of Sound Insulation 334 2 7 Removal of Compressor 336 2 8 Removal of 4 way Valve 338 3 Indoor Unit 342 3 1 Refer following table for indoor unit removal procedure 342 The...

Page 325: ...iling mounting This unit is of drain free type When attaching the electrical box be sure to seal up the original screw holes using aluminium tape or the like 1 Screw down the accompanying four fixtures in position 2 For wall mounting 1 Screw down the accompanying three fixtures in position 3 Attaching the electrical box 1 The electrical box can be attached on either side of the unit depending on t...

Page 326: ...er 1 Remove the M5 screw from the electrical box cover 2 Open and slide the electrical box cover to the left and take it out The section C is not provided for the two room type The sections A B and C are located from top down whether the electrical box is attached on the left or right side Write down a room number in the entry space for easy setup and servicing 3 Disconnect the relay wire harness ...

Page 327: ...nctions Self diagnostic LEDs LED A green LED 1 red LED 2 red LED 3 red LED 4 red S4 Motorized valve coil yellow S3 Motorized valve coil blue S2 Motorized valve coil red S1 Motorized valve coil white 1 The codes of the connectors on the PCB are as shown at right 2 Remove the four screws from the PCB 3 Loosen the two keyhole provided screws and remove the two other screws from the PCB mount Step Pro...

Page 328: ...osen the two keyhole provided screws and remove the two other screws from the electrical mounting plate 2 Removing the motorized valve coil When reassembling make sure the motorized valve coil spring clicks and feels caught 1 Slide the motorized valve coil to the right and take it out 3 Undoing the clamp The plain red blue and yellow markings are provided from the front bottom 1 Remove the harness...

Page 329: ... When reassembling place the thermal insulators back into position Using finishing tape be sure to join together the cut off parts 1 Cut off the thermal insulator 2 Remove the tape and open the thermal insulator 3 Be careful not to allow flames of a gas welding rod to affect the parts around the motorized valve To do this wrap all the thermal insulators with water wet cloths and place welding prot...

Page 330: ...w 120 C In pulling the pipes be careful not to overtighten them with pliers The pipes may get deformed The strainer is located inside each motorized valve When replacing the motorized valve be sure to change its strainer too Otherwise the strainer will get burnt and out of function Using the outdoor liquid gas shut off valve open the indoor line If the gas welding machine fails to remove the motor...

Page 331: ...sassembling work Step Procedure Points Disconnect the thermistor harness connector from the PCB The factory installed thermistors cannot be replaced Thermistor positions and connector pins 1 Secure a replacement thermistor onto the pipe with aluminium tape Provide thermal insulation from above 2 Tighten the tie wrap to secure the above tape ...

Page 332: ...istor terminal to the thermistor connector Align the thermistor terminal with its hole of the connector Provide thermal insulation from above Pulling the thermistor terminal Carefully work on the connector without breaking the hook Just raise the hook Step Procedure Points ...

Page 333: ...etached without removing the top panel 2 Remove the screw from the front panel Push down the panel unhooked and detached 3 Remove the screw from the front piping cover 4 Remove the four screws from the side piping cover 5 Remove the outdoor air thermistor first and then the five screws from the side panel 6 Remove the four screws from the blow off grille and release the grille from the four top an...

Page 334: ...rning Electric Shock 1 Be sure to turn off the power before servicing 2 Do not touch any live parts high voltage for 15 minutes after turning off the power 3 Before handling these parts make sure the main circuit capacitor C1 voltage is below DC 50 V and disconnect the fan connectors CN3 CN4 4 Pay attention to the hot parts Keep in mind that some parts inside the electrical box are hot 1 Disconnec...

Page 335: ...e sound insulation with enough care It may damage the pipes around 1 Undo the noise insulation fixture string 2 Pull up the noise insulation 3 Open up the terminal cover noise insulation 4 Detach the terminal cover 5 Disconnect the compressor leads from their terminals Step Procedure Points ...

Page 336: ...ws from the electrical box 2 Lift the electrical box off the hook at the back and draw out the box 6 Disassembling the electrical box 1 Disconnect all the connectors Make sure to clamp all wire harness after repair work is completed 2 Cut off the clamp at the wire harness Step Procedure Points ...

Page 337: ... Removal Procedure 3 Disconnect the two relay connectors on the side 4 Remove the two lock screws from the front section 5 Slide the front section to the right and release it off the two hooks at the back Step Procedure Points ...

Page 338: ...ilter PCB 1 The filter PCB is located as shown at right 2 Disconnect all the connectors andremove the four locking guard spacers Take out the filter PCB 3 Remove the four screws and take out the reactors 4 Lay and dress the reactor harnesses Step Procedure Points ...

Page 339: ...located as shown at right 2 The setting and self diagnostic PCB is located also as shown at right The PCB1 and PCB4 are integrally constructed 3 Disconnect all the connectors Remove the two screws from the control PCB 4 Remove the two screws from the electrolytic capacitor Step Procedure Points ...

Page 340: ...ht force in detaching the PCB Be sure to apply fresh silicone compound before attaching the PCB back in place 9 Detaching the radiation fins 1 The radiation fins are provided in two blocks Remove the eight screws from the upper block and the four screws from the lower one 10 Detaching the active module 1 Remove the two screws from the active module Step Procedure Points ...

Page 341: ...tdoor Unit Si18 201 328 Removal Procedure 11 Detaching the fan control PCB 1 The fan control PCB is located as shown at right Remove the four locking card spacers and detach the PCB Step Procedure Points ...

Page 342: ...panel front piping cover etc referring to the instructions in Removal of Outer Panels 1 Detaching the propeller fans 1 Remove the four blow off grille lock screws Undo the four top and bottom hooks to take out the blow off grilles 2 Remove the washer fitted nuts and fixtures from the propeller fans 3 Remove the five screws from the front panel 1 Push up the panel out of position To disconnect the ...

Page 343: ... the upper fan and two for the lower fan 3 Undo the lead tie wraps first and then the lead clamp off the partition board 4 Disconnect the earth wire from the upper motor mount 5 Undo the clamp Precaution in mounting the motors Be sure to secure the motor leads with the clamps Otherwise the leads may get caught by the fans In setting up the fan put the partition board piece between the tie wraps A ...

Page 344: ...lectrical box 1 Disconnect the thermistors from the holders and pass them out of the through opening of the piping plate 2 Undo the two tie wraps and disconnect the suction pipe thermistor In reconnecting the suction pipe thermistor bend the harness back into its original route and apply the tie wraps 3 Disconnect the heat exchanger intermediate thermistor 4 Disconnect the liquid pipe thermistor 5...

Page 345: ...l not to overtighten them with pliers The pipes may get deformed If the gas welding machine fails to remove the motorized valve take the steps below 1 Disconnect the brazed pipe sections that are readily easy to separate and join together later 2 With a small copper tube cutter cut off the internal pipes to easily take out the motorized valve Note Never use a hack saw Cuttings may come into the pi...

Page 346: ...not to get yourself burnt with the motorized valve pipes and other parts that are heated by the gas welding rod 5 Disconnect the brazed section of the motorized valve Caution Do not allow flames of a gas welding rod to affect the parts around the motorized valve Place welding protective sheets or iron plates around When replacing the motorized valve change its strainer too The strainer is located ...

Page 347: ...emoval of PCB 1 Disconnecting the peripheral components 1 Detach the compressor mounting plate 2 Slide up the cover at the back of the partition board Release the cover off the two hooks The partition board cannot be detached 3 Remove the screw from the partition board 4 Open the partition board to the left to easily access the sound insulation 2 Detaching the sound insulation 1 Undo the sound ins...

Page 348: ...t Removal Procedure 335 3 Draw out the sound insulation cover from the bottom of the compressor 4 Undo the two points of the sound insulation fixture string 5 Open the sound insulation and draw it out Step Procedure Points ...

Page 349: ...lies before disassembling work Step Procedure Points Detach the outer panels electrical box and noise insulation referring to the instructions in Removal of Outer Panels and other procedures 1 Dismounting the compressor 1 Detach the terminal cover 2 Disconnect the compressor leads from their terminals The sound insulation is in the shape as shown at right ...

Page 350: ... refrigerant gas leaks during the job ventilate the room Bear in mind that if the refrigerant gas is exposed to open flames noxious gas may be generated Caution Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas welding rod 5 Using a pipe cutter cut off the two points of the compressor suction and discharge pipes The cut off points are nearer the compres...

Page 351: ...panels electrical box 4 way valve coil etc referring to the instructions in Removal of Outer Panels and other procedures 1 Detaching the drip proof cover Warning If refrigerant gas leaks during the job ventilate the room Bear in mind that if the refrigerant gas is exposed to open flames noxious gas may be generated Caution Be careful not to get yourself burnt with the 4 way valve pipes and other p...

Page 352: ...ventilate the room Bear in mind that if the refrigerant gas is exposed to open flames noxious gas may be generated Caution Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas welding rod Caution Do not allow flames of a gas welding rod to affect the parts around the motorized valve Place welding protective sheets or iron plates around 5 Disconnect the pip...

Page 353: ...necting the 4 way valve assembly braze the cut off point together with a copper tube union Local supply It may be difficult to disconnect the pipes at points A and B of the accumulator discussed in Step 4 above In such case use the pipe cutter When reconnecting the 4 way valve assembly brazethe cut off point together with a copper tube union Step Procedure Points ...

Page 354: ...oming too hot keep it below 120 C In pulling the pipes be careful not to overtighten them with pliers The pipes may get deformed When cutting with the small pipe cutter If the gas welding machine fails to remove the 4 way valve take the steps below 1 Disconnect the brazed pipe sections that are readily easy to separate and join together later 2 With a small copper tube cutter cut off the internal ...

Page 355: ...ce Manual Page FTK25 35J FTX25 35J FTXD25 35K FVX25 35K Si12 001 P 176 192 FTKD50 60 71J FTXD50 60 71J FTK50 60H FTX50 60H Si12 001 P 193 214 FLK25 60H FLX25 60H FLK50 60J FLX50 60J Si05 003 Similer model FL E H P 50 65 CDK25 60HA CDX25 60HA CDX25 60J Si12 001 Similer model CDK X 25 60H P 215 219 FHYC35 71K Si 71A P 127 141 FDYM60 03FA ...

Page 356: ...tallation 344 1 1 Outdoor Unit 344 1 2 BP Unit 346 2 Wiring 348 2 1 Outdoor Unit 348 2 2 BP Unit 350 2 3 Outdoor Unit Rotary Switch Setting 352 3 Others 354 3 1 Explanation for FTK X 25 35J Series 354 3 2 Explanation for FTK X 50 60H and CDK X 25 60H Series 357 The RMK140JAVM specifications are special Refer to RMK140JAVM s important points on page ii for the changes in contents ...

Page 357: ...lowed A Where there is an obstacle on the suction side No obstacle above Obstacle on the suction side only Obstacle on both sides Obstacle above too Obstacle on the suction side too Obstacle on the sunction side and both sides B Where there is an obstacle on the discharge side No obstacle above Obstacle above too Front Back Discharge grill Grip Outdoor unit Do not grab the inlet hole section on th...

Page 358: ...e obstacle on the discharge side is lower than the unit No obstacle above Obstacle above too The relations between H A and L are as follows Close the bottom of the installation frame to prevent the discharged air from being bypassed D Multiple rows of series installation on the rooftop etc L A L H 0 L 1 2H 750 1 2H L 1000 H L Set the stand as L H L A L H 0 L 1 2H 100 1 2H L 200 H L Set the stand a...

Page 359: ...irection The piping for the indoor unit may be freely led around in directions or The inclination of side must be within 5 C degrees forward or back or to the sides D F R 1 Precaution 2 For Main piping Gas I D ø19 1 3 For Branch piping Liquid Cut line for Cut line for I D ø15 9 Cut line I D ø9 5 I D ø9 5 DIMPLE Cut line for I D ø12 7 80 160 120 100 140 182 190 60 135 160 150 4 For Branch piping Ga...

Page 360: ... audible INSTALLATION OF THE MAIN UNIT 1 Ceiling suspended type 2 Wall mounted type Reverse position Branch pipe side Printed wiring board Printed wiring board As Shipped condition After location is changed This unit has two different installation types 1 ceiling suspended type and 2 wall mounted type Choose the proper installation pattern according to the location of installation The installation...

Page 361: ...de must have the same number Tighten the terminal screws on the power supply terminal block securely For power supply be sure to use a dedicated power circuit Fix wires securely over the sheathes with the clamp Connect an earth wire to the earth screw For earthing follow applicable local standards for electrical installations For inter unit wiring do not use a cut wire joined to another on the way...

Page 362: ... 3 1 2 3 1 2 3 1 2 3 1 2 3 TO BP1 OUTDOOR UNIT TO BP2 TO BP3 TO BP1 TO BP2 TO BP3 TO BP1 TO BP2 TO BP3 TO BP1 TO BP2 TO BP3 TO BP1 TO BP2 TO BP3 OUTDOOR UNIT OUTDOOR UNIT OUTDOOR UNIT OUTDOOR UNIT BP Unit BP Unit BP Unit BP Unit BP Unit BP Unit BP Unit BP Unit Make sure numbers 1 2 and 3 all match 1 2 3 1 2 3 L N BP unit Safety breaker Earth leakage circuit breaker Earth When wire length exceeds 1...

Page 363: ...r indoor units H05VV 4 wires 1 6mm or 2 0mm 2 Perform wiring Allow 300 mm for the pulling out section of harness 3 After checking the wiring fill in Connection room Indoor unit and Ser No of the indoor unit on the wiring nameplate 4 Fix the wires completely with wire clamps 2 locations 5 In reverse procedure of 1 slide the electrical equipment cover and fix it with the screw A2 A1 A3 C1 B1 B2 B3 C...

Page 364: ...ing board and change the terminal board for the indoor unit in order starting with A B and then C from above CAUTIONS The terminal board numbers are arranged from top to bottom in order of 3 2 and 1 NOTE Remove 4 screws Printed wiring board mounting plate Screws 2 pieces Connection wire for outdoor unit Partition board Interchange Wire clamp 5 Insulator 6 accessories Wiring nameplate Fix each wire...

Page 365: ... motorized valve openness EV openness 2 2 Current BP 1 Room B motorized valve openness EV openness 2 3 Current BP 1 Room C motorized valve openness EV openness 2 4 Current BP 2 Room A motorized valve openness EV openness 2 5 Current BP 2 Room B motorized valve openness EV openness 2 6 Current BP 2 Room C motorized valve openness EV openness 2 7 Current BP 3 Room A motorized valve openness EV openn...

Page 366: ...mperature Temp offset 40h 6 6 Current BP 2 Room C heat exchange temperature Temp offset 40h 6 7 Current BP 3 Room A heat exchange temperature Temp offset 40h 6 8 Current BP 3 Room B heat exchange temperature Temp offset 40h 6 9 Current BP 3 Room C heat exchange temperature Temp offset 40h 7 0 7 1 Current BP 1 Room A D signal D signal 7 2 Current BP 1 Room B D signal D signal 7 3 Current BP 1 Room ...

Page 367: ...ration as described below Trial operation from Remote Controller 1 Press ON OFF button to turn on the system 2 Simultaneously press center of TEMP button and MODE buttons 3 Press MODE button twice T will appear on the display to indicate that Trial Operation mode is selected 4 Trial run mode terminates in approx 15 minutes and switches into normal mode To quit a trial operation press ON OFF button...

Page 368: ...on handbook However do the following when using the KRP413A1S Contact connection centralized control PC board Note The power failure recovery function is controlled by the ON signal from the centralized control PC Board The following may occur if the unit is used without cutting jumper JC If the unit was running when a power failure occurred it may not resume operation after recovering from a powe...

Page 369: ... Gently push and slide the sensor to adjust the angle Aim so that the sensor is pointing to the center of the room or to the part of the room that is most frequently used After adjusting the angle gently wipe the sensor with a clean cloth being careful not to scratch the sensor Caution Do not hit or violently push the Intelligent eye sensor This can lead to damage and malfunction Do not place larg...

Page 370: ...WN UP and MODE buttons 3 Press the MODE button twice 7 appears on the display to indicate that the trial operation mode is selected 4 Trial run mode terminates in approximately 30 minutes and switches into normal mode To quit a trial operation press the ON OFF button Note The air conditioner requires a small amount of power in stand by mode If the system is not to be used for some time after insta...

Page 371: ... cutting jumper JC If the unit was running when a power failure occurred it may not resume operation after recovering from a power failure 3 2 4 Dry Keep Change over Switch All Indoor Models For Cooling Only and Heat Pump Model Cut jumper JC on the indoor PC Bord ML112 Jumper On indoor PC Board Function When connected factory set When cut JC Power failure recovery function Auto start Unit does not...

Page 372: ...dix 1 Piping Diagrams 360 1 1 Outdoor Units 360 1 2 BP Units 362 1 3 Indoor Units 363 2 Wiring Diagrams 370 2 1 Outdoor Units 370 2 2 BP Units 374 2 3 Indoor Units 375 The RMK140JAVM specifications are special Refer to RMK140JAVM s important points on page ii for the changes in contents ...

Page 373: ...TCH HPS ELECTRONIC EXPANSION VALVE ACCUMULATOR CAPILLARY TUBE FILTER EVP FLEXIBLE TUBE FILTER FILTER SUCTION PIPE THERMISTOR LIQUID LINE STOP VALVE GAS LINE STOP VALVE DS 9 5 CuT PIPING FIELD PIPING 19 1CuT FIELD 3D024921B THERMISTOR LIQUID PIPE OUTDOOR UNIT MOTOR MOTOR DC FAN DC FAN DISTRIBUTOR DEL PROPELLER PROPELLER M M FAN FAN OUTDOOR TEMPARATURE DOA THERMISTOR HEAT EXCHANGER HEAT EXCHANGER DE...

Page 374: ...THERMISTOR DISCHARGE PIPE HEADER COMPRESSOR THERMISTOR OIL SEPARATOR DO ELECTRONIC EXPANSION VALVE FILTER ELECTRONIC EXPANSION VALVE EVG FILTER EVL 4 WAY VALVE LOW PRESSURE FILTER CAPILLARY TUBE SENSOR FILTER SP HIGH PRESSURE SWITCH RECEIVER HPS ELECTRONIC EXPANSION VALVE ACCUMULATOR CHECK VALVE FILTER EVP CAPILLARY TUBE FILTER FLEXIBLE TUBE FILTER FILTER CHECK VALVE CAPILLARY TUBE SUCTION PIPE TH...

Page 375: ...matched when connecting indoor unit Adjustable for the connecting direction REFRIGERANT FLOW OUTDOOR UNIT OUTDOOR UNIT 19 1CuT 9 5CuT HEATING COOLING EXPANSION VALVE BYPASS FILTER FILTER ELECTRONIC EVH EXPANSION VALVE ROOM A EXPANSION VALVE ROOM B EXPANSION VALVE ROOM C ELECTRONIC ELECTRONIC ELECTRONIC EVC EVB EVA FILTER FILTER FILTER THERMISTOR DGC THERMISTOR DGB THERMISTOR DGA THERMISTOR DGC THE...

Page 376: ...IELD PIPING FIELD PIPING CROSS FLOW FAN FAN MOTOR ON HEAT EXCH HEAT EXCHANGER INDOOR UNIT 4D019960D 12 7 FTX35 7 0CuT 7 0CuT 6 4CuT FTK35 7 0CuT 9 5 CuT FTX25 9 5CuT THERMISTOR 7 9CuT FTK25 M 7 0CuT M 9 5 6 4 6 4 15 9 12 7 15 9 FTKD50 FTKD71 FTKD60 FLOW EXCH HEAT COOLING THERMISTOR ON REFRIGERANT EXCHANGER HEAT FAN MOTOR FLOW FAN CROSS INDOOR UNIT PIPING CuT PIPING CuT FIELD FIELD 4D024819A ...

Page 377: ...ELD PIPING CuT CuT FTXD50 FTXD71 FTXD60 INDOOR UNIT CROSS FLOW FAN THERMISTOR ON INLET PIPE FAN MOTOR 15 9 15 9 12 7 M 6 4 6 4 9 5 HEAT EXCHANGER REFRIGERANT FLOW ON HEAT EXCH THERMISTOR COOLING HEATING 4D024820A FIELD PIPING FIELD PIPING CuT 6 4CuT INDOOR UNIT SIROCCO FAN FAN MOTOR REFRIGERANT FLOW M COOLING HEAT EXCHANGER CDK35 50 CDK60 CDK25 15 9 12 7 9 5 4D024748 ...

Page 378: ...K25 35 50 60HVEC FLK25 35 50 60HVET FIELD PIPING FIELD PIPING CuT 6 4CuT INDOOR UNIT SIROCCO FAN FAN MOTOR REFRIGERANT FLOW M HEATING COOLING HEAT EXCHANGER CDX35 50 CDX60 CDX25 12 7 15 9 9 5 4D024749 FIELD PIPING FIELD PIPING CuT 6 4CuT INDOOR UNIT SIROCCO FAN FAN MOTOR REFRIGERANT FLOW M COOLING HEAT EXCHANGER FLK35 50 FLK25 FLK60 12 7 15 9 9 5 4D024774 ...

Page 379: ...RANT FLOW FAN MOTOR ON HEAT EXCH HEAT EXCHANGER SIROCCO FAN FIELD PIPING FIELD PIPING INDOOR UNIT 4D024818A FLK50 15 9 THERMISTOR CuT FLK60 12 7 6 4CuT COOLING M FIELD PIPING FIELD PIPING CuT 6 4CuT INDOOR UNIT SIROCCO FAN FAN MOTOR REFRIGERANT FLOW M COOLING HEATING HEAT EXCHANGER FLX35 50 FLX60 FLX25 12 7 15 9 9 5 4D024775 ...

Page 380: ...ON INLET PIPE ON HEAT EXCH HEAT EXCHANGER SIROCCO FAN FAN MOTOR REFRIGERANT FLOW FIELD PIPING FIELD PIPING INDOOR UNIT 4D024817A 15 9 6 4CuT THERMISTOR THERMISTOR 12 7 M COOLING HEATING FLX60 FLX50 CuT Field Piping φA cut Field Piping φB cut FHYC35 FHYC50 60 FHYC71 FDYM60 FDYM03 A 6 4 6 4 9 5 15 9 15 9 B 12 7 15 9 15 9 6 4 9 5 DU427 6109A ...

Page 381: ... FTXD25 35KZV1B HEAT EXCHANGER ON HEAT EXCH ON LIQUID PIPE FAN MOTOR CROSS FLOW FAN INDOOR UNIT FIELD PIPING FIELD PIPING 4D029145 FTXD35KZV1B FTKD25KZV1B CuT THERMISTOR 6 4CuT 6 4CuT 12 7 6 4CuT FTKD35KZV1B 6 4CuT M 7 9CuT 9 5 9 5CuT 7 0CuT FTXD25KZV1B THERMISTOR ...

Page 382: ... 369 FVX25 35KZV1B FVX K 35 12 7CuT FVX K 25 9 5CuT FIELD PIPING FIELD PIPING 6 4CuT REFRIGERANT FLOW INDOOR UNIT 7 9CuT CROSS FLOW FAN CROSS FLOW FAN COOLING HEATING FAN MOTOR FAN MOTOR 9 5CuT M M HEAT EXCHANGER 7 0CuT 7 0CuT 4D028914 ...

Page 383: ...CTIVE MODULE WHT U V N 3 Z6C M TB8 M1C TB2 TB5 TB4 W 1 WHT WHT TB7 L1R 1 RED L2R C1R S517 WHT WHT TB6 6 3 BLK 1 2 3 3 Lower Side Upper Side ACN CONNECTOR ACP CONNECTOR C1R CAPACITOR C900 C927 CAPACITOR CT900 CT902 CURRENT TRANSFORMER F1U FUSE FG1 FG3 PROTECTIVE EARTH H102 H105 WIRE HARNESS H1P H4P PILOT LAMP HPS HIGH PRESSURE SW PM POWER MODULE L LIVE L900 L904 COIL L1R L2R REACTOR LED2 LED4 7 SEG...

Page 384: ... TB2 TB4 1 L1R 3D024688C TB7 1 C1R S517 WHT WHT RED L2R TB6 6 3 BLK GRN YLW GRN YLW GRN YLW GRN YLW GRN YLW GRN YLW ACP CONNECTOR HPS HIGH PRESSURE SW PM POWER MODULE N NEUTRAL ACN CONNECTOR C1R CAPACITOR C900 C927 CAPACITOR F1U FUSE FG1 FG3 PROTECTIVE EARTH H102 H105 WIRE HARNESS H1P H4P PILOT LAMP L LIVE L900 L904 COIL L1R L2R REACTOR LED2 LED4 7 SEGMENT M1C COMPRESSOR MOTOR M1F M2F FAN MOTOR OI...

Page 385: ...WHT U V N 3 Z6C M 3D032221A TB8 M1C TB4 TB5 TB2 W 1 WHT WHT TB7 L1R 1 RED L2R C1R S517 WHT WHT TB6 6 3 BLK N ACP HPS PM LED2 PCB1 ACN M1C C900 C1R L H1P L900 CT900 FG1 F1U OIS15 H102 M1F M2F L1R L2R BP POWER SUPPLY BP BP 2 2 2 3 3 3 1 1 1 FIELD H4P FG3 2 50Hz 3 PCB4 C927 1 LED4 L904 H105 CT902 TO 230V WIRING BP POWER COMPRESSOR NEUTRAL CONNECTOR FAN WIRE 7 CURRENT FUSE PROTECTIVE CONNECTOR REACTOR...

Page 386: ...LECT S131 2 RELAY V900 1 STRIP 3 5 1 SW DOWN MODE EXPANSION 3 SENSOR SW SELLECT CT900 1 SW S105 V901 SA900 SP C923 C925 VALVE SW C926 C924 4 S111 C900 1 1 L900 S908 S132 WHT BLK 3 2 1 L903 L904 S907 Z2C 1 1 Y3E EV S110 S107 M C905 C902 WHT P BLK 3 3 5 C916 C915 C927 1 1 WHT 1 C904 C903 BLK Y2E EV S109 S904 S104 BLK M BLK L Z4C L902 L901 PCB3 BLK C906 6 5 BLK S514 RED RED 3 BLK 7 7 WHT WHT Z3C 1 1 ...

Page 387: ...N VALVE UNIT FROM OUTDOOR GRN Y1E Y3E Y2E M M M ROOM B ROOM A BYPASS 3D024655B 1 2 3 1 2 3 BYPASS M M M M Y1E Y3E Y2E Y4E RED GRN UNIT 1 3 2 BLK YLW X1M S1 S4 S3 S2 BLU RED YLW WHT BLK t BLU WHT 1 B LED BLK R1T DLA BLK t T1 BLK H6P R2T DGA BLU t BLU R3T BLU DLB t S5 WHT BLU FU1 3 15A R4T YLW DGB t YLW R5T YLW t DLC 1 YLW A 4 2 3 LED LED LED LED LED 12 R6T DGC H1P H5P H4P H3P H2P PCB FU2 FU4 FU3 3 ...

Page 388: ...OLLER H1 PCB2 M1F PCB1 PCB3 PRINTED CIRCUIT BOARD SIGNAL RECEIVER CENTRALIZED CONTROL INTELLIGENT EYE SENSOR R1T R2T THERMISTOR S1W 3 15A FIELD WIRING BLK S6 M1F FAN MOTOR S1 LED1 H1P PCB3 PCB2 RECEIVER SIGNAL INTELLIGENT EYE SENSOR LED2 H2P CONTROLLER S1W WIRELESS REMOTE LED3 H3P R1T S27 S36 t S26 S35 S32 R2T t S21 CENTRALIZED CONTROL FU C70 PCB1 TERMINAL FOR S6 M M1S FUSE RUNNING CAPACITOR PROTE...

Page 389: ...R SUPPLY IS TURNED OFF AND THEN BACK ON AGAIN CAUTION 3 2 1 3D025028 outdoor FIELD WIRING RECEIVER SIGNAL H1P LED PCB3 PCB4 S1W CONTROLLER LED H2P WIRELESS REMOTE LED H3P R1T S31 t S27 S25 S24 S26 H1 H2 H3 H1P H2P H3P FU FG S2W S8W R2T S32 t S21 PCB1 HA S37 S8 S6 S36 PCB2 PILOT LAMP FRAME GROUND HARNESS FUSE 3 15A M M Fu M2S M1S S1 RED M1F M BLU S1 S37 R1T R2T M1S M2S M1F YLW WHT FG FG H2 H1 H3 in...

Page 390: ...ED RESTART ON AGAIN MAIN FIELD WIRING THAT OFF CAUTION AUTOMATICALLY POWER OPERATION AND THEN SUPPLY 1 3 2 WILL BACK 3D024412 outdoor IS IF RECEIVER SIGNAL H1P LED PCB2 S1W LED H2P CONTROLLER WIRELESS REMOTE RTH1 R1T t S25 S27 S26 R2T S32 t S21 PCB1 TERMINAL FOR CENTRALIZED CONTROL C70 FU S7 RUNNING CAPACITOR PROTECTIVE EARTH FUSE X11A S1 C70 1 M M1F H1P H2P M1F PCB1 PCB2 R1T R2T S1 S32 RTH1 X11A ...

Page 391: ...AUTOMATICALLY IF THE MAIN POWER SUPPLY IS TURNED OFF AND THEN BACK ON AGAIN FIELD WIRING CAUTION 1 3 2 3D024309 outdoor TERMINAL FOR GRN YLW RECEIVER SIGNAL H1P LED PCB4 PCB3 H2P LED WIRELESS REMOTE CONTROLLER S7W H3P LED R1T S31 t S27 S25 S24 S26 R2T S32 H1P H3P PILOT LAMP M1F FAN MOTOR M1S SWING MOTOR t TERMINAL FOR S2W PCB1 S21 M S6 S8W M1S X21A S37 S7 S36 PCB2 S1 BLK 3 15A 1 FU M t C70 WHT M1F...

Page 392: ... H5 C70 M1F H6 X11A C70 RUNNING CAPACITOR FU FUSE H1P H3P PILOT LAMP M1F FAN MOTOR M1S SWING MOTOR PROTECTIVE EARTH H1 H2 H3 GRN indoor WHT RED BLK YLW X1M 1 2 3 NOTE THAT OPERATION WILL RESTART AUTOMATICALLY IF THE MAIN POWER SUPPLY IS TURNED OFF AND THEN BACK ON AGAIN PCB1 PCB4 PRINTED CIRCUIT BOARD R1T R2T THERMISTOR S6 S37 X11A X21A CONNECTOR S1W OPERATION SWITCH SW7 X1M TERMINAL STRIP CAUTION...

Page 393: ...Wiring Diagrams Si18 201 380 Appendix FHYC35 50 60 71KVE9 3D005668C ...

Page 394: ...Si18 201 Wiring Diagrams Appendix 381 FHYC35 50 60 71KV1C9 ...

Page 395: ...Wiring Diagrams Si18 201 382 Appendix FDYM60 03FAV1 FDYM60 03FAVAL C 3D019816D OPTION ...

Page 396: ...Si18 201 Wiring Diagrams Appendix 383 FDYM60 03FAV1C ...

Page 397: ...PCB2 S32 M1F 3 15A FU H1 LED2 X1M S27 tº WHT C70 S26 H3P LED3 INTELLIGENT EYE SENSOR R2T GRN YLW 140ºC WIRELESS H2 REMOTE FU FUSE 2 tº H1P outdoor tº indoor C70 RUNNING CAPACITOR 1 PCB3 CONTROLLER SIGNAL RECEIVER tº S35 S7 SIGNAL RECEIVER H1P LED PCB3 PCB4 S1W CONTROLLER H2P LED WIRELESS REMOTE H3P LED R1T S31 t S27 S25 S24 S26 R2T t S32 S21 HA PCB1 R3T t S37 S6 S8 S36 PCB2 3 15A Fu M1S M2S S201 M...

Page 398: ...G THAT OFF CAUTION AUTOMATICALLY POWER OPERATION AND THEN SUPPLY 1 3 2 3D024411 WILL BACK outdoor IS IF RECEIVER SIGNAL H1P LED PCB4 PCB3 CONTROLLER H2P LED S7W WIRELESS REMOTE H3P LED R1T S31 t S27 S25 S24 S26 R2T t S32 H1P H3P PILOT LAMP M1F FAN MOTOR M1S SWING MOTOR CENTRALIZED CONTROL TERMINAL FOR R3T t S2W PCB1 S21 M S8W S6 M1S S37 X21A S7 PCB2 S36 S36 S1 BLK 1 3 15A M FU t C70 WHT M1F RED X1...

Page 399: ...T THERMISTOR S1W OPERATION SWITCH SW7 X1M TERMINAL STRIP S6 S37 X11A X21A CONNECTOR CAUTION 1 3 2 3D025029 outdoor FIELD WIRING LED1 PCB2 PCB3 H1P EYE SENSOR INTELLIGENT RECEIVER SIGNAL LED2 H2P CONTROLLER S1W WIRELESS REMOTE LED3 H3P R1T S27 t S36 S35 S26 R2T t S32 S21 PCB1 R3T CENTRALIZED CONTROL TERMINAL FOR t C70 FU RUNNING CAPACITOR FUSE PROTECTIVE EARTH M S6 M1S S7 S1 C70 M 1 M1F X1M S1W S1 ...

Page 400: ... OPERATION WILL TURNED OFF AND THEN BACK ON AGAIN CAUTION PRINTED CIRCUIT BOARD CLEANING INDICATOR OPERATION SWITCH ADDRESS SWITCH RESET SWITCH PROTECTIVE EARTH TERMINAL STRIP 1 3 2 outdoor 3D013001A SIGNAL RECEIVER H1P LED PCB2 S1W LED H2P CONTROLLER WIRELESS REMOTE RTH1 R1T t S27 S25 S26 R2T t S21 S32 PCB1 R3T t CENTRALIZED CONTROL TERMINAL FOR C70 FU S7 RUNNING CAPACITOR PROTECTIVE EARTH FUSE X...

Page 401: ...F THE MAIN POWER SUPPLY IS TURNED OFF AND THEN BACK ON AGAIN WHT RED BLK YLW X1M 1 2 3 CAUTION FIELD WIRING 1 3 2 TO OUTDOOR UNIT 3D024346 BLK WHT RED GRN YLW CONTROLLER WIRELESS REMOTE indoor H1P S4W S1W H2P PCB3 M2S M1S RECEIVER SIGNAL PCB4 S2W S3W L1S M M S27 S26 S24 X2A X1A S6 S23 S25 S20 S21 S16 S31 R1T t BLUE PCB2 R2T HA JEM A t HA S32 R3T t 3 15A FU S203 S302 S301 S201 S7 H3 H2 H1 S8 S204 S...

Page 402: ...ng Standby Operation at Startup 112 Cooling Monitoring Function 93 Cooling Outdoor Unit SC Control 151 D Defrost Operation 122 Detailed Explanation of Setting Modes 215 Determination of Initial Frequency 115 Differential Pressure Control 137 Discharge Pipe Control 131 Discharge Pressure Check 300 Draft Avoidance Control 1 98 Draft Avoidance Control 2 99 Dry Keep Change over Switch 355 358 E E3 263...

Page 403: ...Current Measurement 306 Inverter Units Refrigerant System Check 306 J J3 275 J5 276 J6 277 J7 278 J8 279 J9 280 JC 281 JIS Mode 167 L L3 282 L4 283 L5 284 L7 286 L8 287 L9 288 LC 289 List of Function 2 Local Setting Mode No 10 20 214 11 21 214 12 22 214 13 23 214 Location of Operation Lamp 226 LP Drop Error 269 M Main Functions 78 MAIN SUB CHANGEOVER SWITCH 219 Main Sub Setting when Using 2 Remote...

Page 404: ...Unit 103 Removal of 4 way Valve 338 Removal of Compressor 336 Removal of Motorized Valve 315 332 Removal of Outer Panels 320 Removal of PCB and Electrical Box 321 Removal of Propeller Fans and Fan Motors 329 Removal of Sound Insulation 334 Removal of Thermistor 318 331 Removal Procedure For BPMK928B42 43 312 Indoor Unit 342 Outdoor Unit 320 Rise in BOX Temperature 282 RMK140JAVM ii S SC Control in...

Page 405: ...7 294 UH 297 Ultra Long Life Filter Sign Setting 218 V Voltage Check when Starting the Compressor 307 W Warm Up Function 141 Washable Grille 85 Wet Protection Control I 135 Wide Angle Flaps Louvers and Auto Swing 82 Wide Angle Louvers 79 Wireless Address Switch SS2 216 Wireless Setting Address and MAIN SUB Setting 216 Y Year Round Cooling Only Function 138 ...

Page 406: ...on at Startup 112 cooling capacity control 126 Cooling Monitoring Function 93 D Defrost Operation 122 185 Detection method by human motion sensor 90 Determination of Initial Frequency 115 Determination of initial frequency for cooling 118 Determination of initial frequency for heating 119 Differential Pressure Control 137 Discharge Pipe Control 131 Discharge Pressure Check 300 Draft Avoidance Cont...

Page 407: ...verter Units Indoor Unit PCB 2 Output Voltage Check 309 Inverter Units Input Current Measurement 306 Inverter Units Refrigerant System Check 306 L LED On Branch Provider Unit 310 Location of Operation Lamp 226 Low Outside Air Temperature Cooling 176 LP Drop Error 269 M Main Sub Setting when Using 2 Remote Controllers 219 MAIN SUB Switch SS1 216 Malfunction of Drain Water Level System Float Type 25...

Page 408: ... 361 Power Supply Waveforms Check 308 Power Transistor Output Check 304 Power Airflow Flap Diffuser In Cooling Operation 78 In Heating Operation 78 Temperature Distribution 79 Pre Equalization Standby Operation 123 Pre Heat Operation Heat Pump Only 87 Program Dry Function 87 Program Dry Operation 92 Pump Down Operation 168 R Refrigerant System and Function of Functional Parts of Outdoor Unit 103 R...

Page 409: ...35 50 60HAVET 377 CDK25 35 50 60HAVEC 377 CDX25 35 50 60HAVEA CDX25 35 50 60HAV1NB CDX25 35 50 60JV1NB 385 CDX25 35 50 60HAVEC CDX25 35JVEC 387 FDYM60 03FAV1 382 FDYM60 03FAV1C 383 FDYM60 03FAVAL 382 FHYC35 50 60 71KV1C9 381 FHYC35 50 60 71KVE9 380 FLK25 35 50 60HVE A FLK25 35 50 60HVET 378 FLK25 35 50 60HVEC 378 FLK50 60JVEA 9 379 FLX25 35 50 60HVEC 388 FLX25 35HVEA FLX25 35 50 60HVET FLX25 35HV1...

Page 410: ...30 8323 Japan Tokyo office Shinjuku Sumitomo Bldg 6 1 Nishi Shinjuku 2 chome Shinjuku ku Tokyo 163 0235 Japan Zandvoordestraat 300 B 8400 Oostende Belgium For further improvement specifications or designs are subject to change without prior notice Printed in Japan 10 2002 AK ...

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