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Daikin FTX25JVEA9, Service Manual


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Wiring Diagrams

Si18-201

386

Appendix

FLX50 / 60JVEA (9) , FLX50 / 60JV1B

FTX25 / 35JVEC

SIGNAL

RECEIVER

LED

H1P

PCB4

PCB3

CONTROLLER

LED

H2P

S1W

WIRELESS

REMOTE

LED

H3P

R1T

S31

t˚

S25

S27

S24

S26

R2T

t˚

S32

R3T

S21

PCB1

HA

t˚

M

S6

M1S

S37

X21A

S7

PCB2

S36

H4

100˚C

3.15A

1~

M

t

FU

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

indoor

GRN

WHT

RED

BLK

YLW

X1M

1
2
3

NOTE THAT OPERATION WILL

THE MAIN POWER SUPPLY IS
TURNED OFF AND THEN BACK

RESTART AUTOMATICALLY IF

ON AGAIN.

PCB1~PCB4 :PRINTED CIRCUIT BOARD

R1T~R3T

: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~S36

PCB1~PCB3

R1T~R3T

M1S

M1F

H1P~H3P

3.15A

FU

H3

H2

H1

:

:

:

:

:

:

:
:

RESTART AUTOMATICALLY IF
THE MAIN POWER SUPPLY IS 

NOTE THAT OPERATION WILL

TURNED OFF AND THEN BACK
ON AGAIN.

GRN

CONNECTOR

THERMISTOR

SWING MOTOR

PILOT LAMP
FAN MOTOR

OPERATION SWITCH(SW7)

PRINTED CIRCUIT BOARD

TERMINAL STRIP

RED

WHT

BLK

/YLW

CAUTION

X1M

2

3

1

FIELD WIRING.

WHT

BLK

GRN

YLW

RED

:
:

:

:

:

2
1

3

3D020024A

TO OUTDOOR UNIT

Summary of Contents for FTX25JVEA9

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

Page 2: ...M03FAVAL CDX50JV1NB FLX50JV1B CDX60JV1NB FLX60JV1B CDX25JVEC CDX35JVEC Outdoor Unit RMX140JVMC9 RMX140JVMT9 RMX140JVMB RMX140JZVMB RMX140JVMC8 BP Unit BPMK928B42 BPMK928B43 Cooling Only Indoor Unit FT...

Page 3: ...e 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 Defro...

Page 4: ...r 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 R...

Page 5: ...ion 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 Pr...

Page 6: ...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 wi...

Page 7: ...der 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 Mot...

Page 8: ...nts 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...

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

Page 10: ...lug 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 equipmen...

Page 11: ...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...

Page 12: ...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...

Page 13: ...al shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 M or higher Faulty insulation can cause an electrical shock Be sure to check the drainage...

Page 14: ...tion 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...

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 S...

Page 16: ...ning 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 E...

Page 17: ...r 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 D...

Page 18: ...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...

Page 19: ...door 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 O...

Page 20: ...r 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 D...

Page 21: ...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...

Page 22: ...ations 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 RMK140JA...

Page 23: ...8 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 Pip...

Page 24: ...ctor 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 9 5 Flare Co...

Page 25: ...918 394 1 397 Weight kg 111 Gross Weight kg 120 Operation Sound dBA 50 Piping Connection Liquid mm 9 5 Flare Connection Gas mm 19 1 Flare Connection Drain mm 18 Heat Insulation Both Liquid and Gas Pip...

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...

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...

Page 28: ...ctor 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 9 5 Flare Co...

Page 29: ...or 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 9 5 Flar...

Page 30: ...8 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 Liqu...

Page 31: ...A 0 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 Wirin...

Page 32: ...kg 11 Operation Sound dBA H 37 M 34 L 30 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 Gas mm 9 5 Drain mm 18 0 Drawing No 3D029316 3D029314 3 5kW Class 50Hz 220 230 240V 6...

Page 33: ...id and Gas Pipes Piping Connection Liquid mm 6 4 Gas mm 12 7 Drain mm 18 0 Drawing No 3D027863A 3D027860C 6 0kW Class 50Hz 220 230 240V 60Hz 220 230V Model FTKD60JVE FTKD60JVEA Rating Capacity kW 6 0...

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 Di...

Page 35: ...th Liquid and Gas Pipes Piping Connection Liquid mm 6 4 Gas mm 9 5 Drain mm 27 2 3 4B Drawing No 3D024955 3D024967 3 5kW Class 50Hz 220 230 240V 60Hz 220 230V Model CDK35HAVE CDK35HAVEA Rating Capacit...

Page 36: ...d Gas Pipes Piping Connection Liquid mm 6 4 Gas mm 12 7 Drain mm 27 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 Fr...

Page 37: ...nsulation Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 Gas mm 9 5 Drain mm 18 0 Drawing No 3D024997 3D025009 3 5kW Class 50Hz 220 230 240V 60Hz 220 230V Model FLK35HVE FLK35HVEA Rating Ca...

Page 38: ...Liquid mm 6 4 Gas mm 12 7 Drain mm 18 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 Fl...

Page 39: ...eration Sound dBA H 33 L 29 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 Gas mm 12 7 15 9 Drain mm 25 0 6 15kW Class 7 7kW Class 50Hz 220 230 240V 60Hz 220 230V Model FHYC...

Page 40: ...n Sound dBA H 39 L Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 9 5 Gas mm 15 9 Drain mm 3 4B 6 15kW Class 7 7kW Class 60Hz 220 230V Model FDYM60FAVAL FDYM03FAVAL Rating C...

Page 41: ...quid mm 6 4 Gas mm 9 5 12 7 Drain mm 18 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 Capac...

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...

Page 43: ...4 Gas mm 9 5 12 7 Drain mm 27 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 k...

Page 44: ...sulation Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 18 0 18 0 Drawing No 3D025021 3D025022 5 0kW Class 6 0kW Class 50Hz 220 230 240V 60Hz 220 230V Model FLX...

Page 45: ...peration Sound dBA H 33 L 29 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 Gas mm 12 7 15 9 Drain mm 25 0 6 15kW Class 7 7kW Class 50Hz 220 230 240V 60Hz 220 230V Model FHY...

Page 46: ...g 54 Operation Sound dBA H 39 L Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 9 5 Gas mm 15 9 Drain mm 3 4B 60Hz 220 230V Model FDYM60FAVAL FDYM03FAVAL Cooling Heating Cool...

Page 47: ...eat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 18 0 18 0 Drawing No 3D020446A 3D020447A 50Hz 220V Model FTK50HVEC FTK60...

Page 48: ...ipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 27 2 3 4B 27 2 3 4B Drawing No 3D024956 3D024959 50Hz 220V Model CDK50HAVEC CDK60HAVEC Rating Capacity kW 5 0 6 0 Front Panel Color Ai...

Page 49: ...iquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 18 0 18 0 Drawing No 3D025001 3D025002 50Hz 220V Model FLK50HVEC FLK60HVEC Rating Capacity kW 5 0 5 7 Front Panel Color...

Page 50: ...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 Liqu...

Page 51: ...n Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 18 0 18 0 Drawing No 3D020444A 3D020445A 50Hz 220V Model FTX50HVEC FTX60HVEC Cooling...

Page 52: ...ipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 27 2 3 4B 27 2 3 4B Drawing No 3D024975 3D024977 50Hz 220V Model CDX50HAVEC CDX60HAVEC Cooling Heating Cooling Heating Rating Capacity...

Page 53: ...Steps 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 Con...

Page 54: ...and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 18 0 18 0 Drawing No 3D025013 3D025014 50Hz 220V Model FLX50HVEC FLX60HVEC Cooling Heating Cooling Heating Rating Capacity kW...

Page 55: ...ions 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...

Page 56: ...37 38 M 34 35 L 30 32 Heat Insulation Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 Gas mm 9 5 12 7 Drain mm 18 0 Drawing No 3D031683 3D031684 5 0 6 0kW Class 60Hz 220V Model FTKD50JVET FT...

Page 57: ...nd 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...

Page 58: ...ipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 27 2 3 4B 27 2 3 4B Drawing No 3D024957 3D024960 60Hz 220V Model CDK50HAVET CDK60HAVET Rating Capacity kW 5 0 6 0 Front Panel Color Ai...

Page 59: ...quid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 18 0 18 0 Drawing No 3D025005 3D025006 60Hz 220V Model FLK50HVET FLK60HVET Rating Capacity kW 5 0 5 7 Front Panel Color...

Page 60: ...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...

Page 61: ...sulation Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 Gas mm 9 5 12 7 Drain mm 18 0 Drawing No 3D031681 3D031682 5 0kW Class 6 0kW Class 60Hz 220V Model FTXD50JVET FTXD60JVET Cooling Heat...

Page 62: ...eps 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 Dimensi...

Page 63: ...Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 18 0 18 0 Drawing No 3D025017 3D025018 60Hz 220V Model FLX50HVET FLX60HVET Cooling Heating Cooling Heating Rating Capacity kW 5 0 kW...

Page 64: ...mputer Control 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...

Page 65: ...dBA 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 6 4 Gas mm 9 5 12 7 Drain mm 18 0 Drawing No 3D027497B 3D027498B 50Hz 230V Model FT...

Page 66: ...und 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 6 4 Gas mm 12 7 15 9 Drain mm 18 0 Drawing No 3D029183 3D029184 7 1kW Class 50Hz...

Page 67: ...Piping Connection Liquid mm 6 4 Gas mm 9 5 Drain mm 27 2 3 4B Drawing No 3D024989 3D024990 5 0kW Class 6 0kW Class 50Hz 230V Model CDX50HAV1NB CDX60HAV1NB Cooling Heating Cooling Heating Rating Capac...

Page 68: ...nnection Liquid mm 6 4 Gas mm 9 5 Drain mm 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...

Page 69: ...lation Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 18 0 18 0 5 0kW Class 6 0kW Class 50Hz 230V Model FLX50JV1B FLX60JV1B Cooling Heating Cooling Heating Rati...

Page 70: ...ross 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 Tempera...

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...

Page 73: ...ations 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 Tr...

Page 74: ...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...

Page 75: ...l 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 F...

Page 76: ...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...

Page 77: ...uit 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 Connecto...

Page 78: ...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 ey...

Page 79: ...ignal 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 V...

Page 80: ...it 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...

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 Cent...

Page 82: ...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...

Page 83: ...ctor 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 S2...

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: ...inted 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 PC...

Page 86: ...ector 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 Con...

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: ...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 f...

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 speci...

Page 91: ...w 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 war...

Page 92: ...r 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...

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...

Page 94: ...del Note 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...

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 an...

Page 96: ...nctions 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...

Page 97: ...t 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 st...

Page 98: ...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 t...

Page 99: ...atile 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 Th...

Page 100: ...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 defrost...

Page 101: ...t 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 opera...

Page 102: ...ing 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...

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 hig...

Page 104: ...FF 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 rememb...

Page 105: ...s 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 operat...

Page 106: ...ential 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 co...

Page 107: ...n 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 conditi...

Page 108: ...ure 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 a...

Page 109: ...ting 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 co...

Page 110: ...used 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 operatio...

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...

Page 112: ...ng 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 f...

Page 113: ...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 requi...

Page 114: ...ion 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 Shor...

Page 115: ...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...

Page 116: ...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...

Page 117: ...rigerant 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 capaci...

Page 118: ...ng 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 w...

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 ga...

Page 120: ...nsion 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...

Page 121: ...50V 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 Mai...

Page 122: ...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 dischar...

Page 123: ...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 ope...

Page 124: ...tup 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 pul...

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 pulse...

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...

Page 127: ...n 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...

Page 128: ...od 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 freq...

Page 129: ...e value PWR 3 Determination of S value There are two types of indoor unit capacities from individual BP units One is the S value of the connected indoor unit and the other is the S value of the indoor...

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...

Page 131: ...emperature 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...

Page 132: ...n 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 1...

Page 133: ...rvals 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...

Page 134: ...min 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...

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 byp...

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...

Page 137: ...lizing 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 m...

Page 138: ...F 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...

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...

Page 140: ...r 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...

Page 141: ...e 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 seco...

Page 142: ...tus 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 minut...

Page 143: ...ning 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 dis...

Page 144: ...he 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 ea...

Page 145: ...ng 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 dro...

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 2...

Page 147: ...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 estim...

Page 148: ...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 Outs...

Page 149: ...ation 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 judge...

Page 150: ...ording 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 heati...

Page 151: ...re 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 compres...

Page 152: ...tart 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...

Page 153: ...under the following conditions Equation A MAX_ALFA_P1 3 MAX 0 MAX_ALFA_P2 5 MAX_ALFA_P1 3 MAX 1 MAX_ALFA_P2 5 P control is prohibited under left condition I Control When the D signal does not change f...

Page 154: ...ture 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...

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 com...

Page 156: ...perating 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 tempera...

Page 157: ...g 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 overcurren...

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...

Page 159: ...ully 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 nex...

Page 160: ...riction 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...

Page 161: ...t 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 cond...

Page 162: ...e 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 zo...

Page 163: ...r heat exchanger temperature Target discharge temperature Condensation temperature evaporating temp The correction value for the motorized valve is determined based on the table fuzzy table of deviati...

Page 164: ...ng 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 e...

Page 165: ...ent 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 signi...

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 t...

Page 167: ...tain 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 followi...

Page 168: ...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 exc...

Page 169: ...tion 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...

Page 170: ...at 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...

Page 171: ...ened 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...

Page 172: ...r 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 excee...

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 Curr...

Page 174: ...ermined 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...

Page 175: ...ischarge 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 le...

Page 176: ...ding 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 d...

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 r...

Page 178: ...nger 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 condensing temp evaporating tem...

Page 179: ...ches 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 Va...

Page 180: ...requency 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...

Page 181: ...ceiver 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 45...

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 hea...

Page 183: ...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 thermos...

Page 184: ...frigerant 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 Equalizi...

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...

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...

Page 187: ...ONIC 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...

Page 188: ...V 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 FIEL...

Page 189: ...NSION 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...

Page 190: ...E 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...

Page 191: ...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 D...

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 LI...

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 F...

Page 194: ...R 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 5...

Page 195: ...IDE 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 operati...

Page 196: ...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...

Page 197: ...N 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...

Page 198: ...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...

Page 199: ...CTRONIC 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 LIQUI...

Page 200: ...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...

Page 201: ...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 fr...

Page 202: ...NGER 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 f...

Page 203: ...NG 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 contr...

Page 204: ...perations 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 im...

Page 205: ...mer 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...

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 wit...

Page 211: ...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 s...

Page 212: ...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...

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: ...eration 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 Ai...

Page 219: ...door 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 moni...

Page 220: ...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...

Page 221: ...0 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 W...

Page 222: ...NS 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...

Page 223: ...WITCH 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...

Page 224: ...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...

Page 225: ...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 t...

Page 226: ...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...

Page 227: ...ter 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 indo...

Page 228: ...emote 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 hei...

Page 229: ...g 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 sw...

Page 230: ...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 ou...

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...

Page 232: ...ontrollers 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 screwdriv...

Page 233: ...g 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 a...

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: ...l 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 fo...

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

Page 238: ...y 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...

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 al...

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...

Page 241: ...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 F...

Page 242: ...r 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 indic...

Page 243: ...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...

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 outdo...

Page 245: ...ion 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 N...

Page 246: ...t 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 operatio...

Page 247: ...e 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...

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 rota...

Page 249: ...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 P...

Page 250: ...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...

Page 251: ...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 Dec...

Page 252: ...ive 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 printe...

Page 253: ...K 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 fu...

Page 254: ...use 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 correc...

Page 255: ...eck 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 Repla...

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 Ch...

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 Conditio...

Page 258: ...mission 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...

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...

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...

Page 261: ...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...

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

Page 263: ...sten 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 tes...

Page 264: ...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 Boa...

Page 265: ...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 Fail...

Page 266: ...le 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 F...

Page 267: ...ear 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 conn...

Page 268: ...n 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 unp...

Page 269: ...roubleshooting 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 f...

Page 270: ...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 insta...

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 r...

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 temperat...

Page 273: ...dditional 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...

Page 274: ...bility 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...

Page 275: ...NIT 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...

Page 276: ...rigerant 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 App...

Page 277: ...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...

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 Fau...

Page 279: ...ct 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...

Page 280: ...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 u...

Page 281: ...eration 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 Fau...

Page 282: ...od 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 un...

Page 283: ...aulty 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...

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...

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 Ref...

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 Troublesho...

Page 287: ...tside air temperature sensor Troubleshooting A B 1 10 C 117k 2 0 C 67k 3 10 C 40k 4 20 C 25k 5 30 C 16k 6 40 C 10k 7 50 C 7k 8 60 C 5k 9 70 C 3k Disconnect the thermistor connectors from outdoor unit...

Page 288: ...rge temperature sensor Troubleshooting A B 1 10 C 117k 2 0 C 67k 3 10 C 40k 4 20 C 25k 5 30 C 16k 6 40 C 10k 7 50 C 7k 8 60 C 5k 9 70 C 3k Disconnect the thermistor connectors from outdoor unit PC boa...

Page 289: ...tion temperature sensor Troubleshooting A B 1 10 C 117k 2 0 C 67k 3 10 C 40k 4 20 C 25k 5 30 C 16k 6 40 C 10k 7 50 C 7k 8 60 C 5k 9 70 C 3k Disconnect the thermistor connectors from outdoor unit PC bo...

Page 290: ...t exchanger temperature sensor Troubleshooting A B 1 10 C 117k 2 0 C 67k 3 10 C 40k 4 20 C 25k 5 30 C 16k 6 40 C 10k 7 50 C 7k 8 60 C 5k 9 70 C 3k Disconnect the thermistor connectors from outdoor uni...

Page 291: ...uid pipe temperature sensor Troubleshooting A B 1 10 C 117k 2 0 C 67k 3 10 C 40k 4 20 C 25k 5 30 C 16k 6 40 C 10k 7 50 C 7k 8 60 C 5k 9 70 C 3k Disconnect the thermistor connectors from outdoor unit P...

Page 292: ...shooting A B 1 10 C 117k 2 0 C 67k 3 10 C 40k 4 20 C 25k 5 30 C 16k 6 40 C 10k 7 50 C 7k 8 60 C 5k 9 70 C 3k Set the rotary switch to 01 and specify the corresponding BP unit Replace thermistor or the...

Page 293: ...ing A B 1 10 C 117k 2 0 C 67k 3 10 C 40k 4 20 C 25k 5 30 C 16k 6 40 C 10k 7 50 C 7k 8 60 C 5k 9 70 C 3k Set the rotary switch to 01 and specify the corresponding BP unit Replace thermistor or thermist...

Page 294: ...uses 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 s...

Page 295: ...ets 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...

Page 296: ...me 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...

Page 297: ...itions 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 con...

Page 298: ...arts 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 th...

Page 299: ...current 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 t...

Page 300: ...mistor 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 C...

Page 301: ...t 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 C...

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 supp...

Page 303: ...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 cause...

Page 304: ...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 c...

Page 305: ...uld 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 u...

Page 306: ...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 Pr...

Page 307: ...nectors 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 c...

Page 308: ...n 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...

Page 309: ...nput 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...

Page 310: ...sion 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 Malfunct...

Page 311: ...r 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...

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 tr...

Page 313: ...erature 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...

Page 314: ...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 sou...

Page 315: ...LK 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 S9...

Page 316: ...e compressor 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 F...

Page 317: ...m 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 b...

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...

Page 319: ...LW 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 S90...

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 0 YES YES Does the capacitor resistance vary at NO...

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 con...

Page 322: ...ion 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 h...

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: ...istor 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 Mot...

Page 325: ...ling 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...

Page 326: ...r 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 a...

Page 327: ...ctions 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...

Page 328: ...sen 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 c...

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...

Page 330: ...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...

Page 331: ...assembling 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 r...

Page 332: ...stor 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 conne...

Page 333: ...tached 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...

Page 334: ...ning 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 m...

Page 335: ...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 t...

Page 336: ...s 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...

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 b...

Page 338: ...lter 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 reacto...

Page 339: ...ocated 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...

Page 340: ...t 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 e...

Page 341: ...door 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 Poin...

Page 342: ...anel 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...

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 Precauti...

Page 344: ...ectrical 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 reconnect...

Page 345: ...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 readi...

Page 346: ...ot 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 g...

Page 347: ...moval 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...

Page 348: ...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...

Page 349: ...ies 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 Dismount...

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 wit...

Page 351: ...anels 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...

Page 352: ...entilate 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 h...

Page 353: ...ecting 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 Ste...

Page 354: ...ming 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...

Page 355: ...e 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 mo...

Page 356: ...allation 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...

Page 357: ...owed 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 sun...

Page 358: ...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 dis...

Page 359: ...ng direction 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 p...

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 ch...

Page 361: ...e 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...

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 U...

Page 363: ...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...

Page 364: ...ng 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 NO...

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 o...

Page 366: ...perature 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 tempe...

Page 367: ...ation 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 wi...

Page 368: ...n 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 centralize...

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 gent...

Page 370: ...N 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...

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 Coolin...

Page 372: ...ix 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...

Page 373: ...CH 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...

Page 374: ...HERMISTOR 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...

Page 375: ...atched 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...

Page 376: ...ELD 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...

Page 377: ...LD 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 HEATIN...

Page 378: ...25 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...

Page 379: ...ANT 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 IN...

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 Cu...

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 FTKD3...

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 HEA...

Page 383: ...TIVE 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...

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 CAPACI...

Page 385: ...HT 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...

Page 386: ...ECT 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 Z2...

Page 387: ...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 LE...

Page 388: ...ER 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...

Page 389: ...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 H...

Page 390: ...D 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...

Page 391: ...UTOMATICALLY 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 CO...

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 AUTOMA...

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 t WHT C70 S26 H3P LED3 INTELLIGENT EYE SENSOR R2T GRN YLW 140 C WIRELESS H2 REMOTE FU FUSE 2 t H1P outdoor t indoor C70 RUNNING CAPACITOR 1 PCB3 CONTROLLER SIGNA...

Page 398: ...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 S2...

Page 399: ...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 CONTRO...

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 S...

Page 401: ...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...

Page 402: ...g 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 Frequen...

Page 403: ...urrent 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...

Page 404: ...nit 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 Moto...

Page 405: ...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...

Page 406: ...n 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...

Page 407: ...erter 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...

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...

Page 409: ...5 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 F...

Page 410: ...0 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 desi...

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