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Daikin Super Multi NX 3MKS50E3V1B, Service Manual

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Daikin Super Multi NX 3MKS50E3V1B Service Manual Download Page 18

Heat Pump

SiBE121135

6

List of Functions

2. Heat Pump

2.1

Outdoor Unit

Category

Functions

3

M

XS

40K2V

1B,

 3

M

XS

52E3

V

1B

3

M

XS

68G

2V1B

, 4MX

S

68F

2V

1B

4

M

XS

80E2V

3B,

 5

M

XS

90E2

V

3B

Category

Functions

3

M

XS

40K2V

1B,

 3

M

XS

52E3

V

1B

3

M

XS

68G

2V1B

, 4MX

S

68F

2V

1B

4

M

XS

80E2V

3B,

 5

M

XS

90E2

V

3B

Basic 
Function

Inverter (with Inverter Power Control)

Health & 
Clean

Air-Purifying Filter

—

—

Operation Limit for Cooling (°CDB)

–

10 

~46

–

10 

~46

Photocatalytic Deodorizing Filter

—

—

Operation Limit for Heating (°CWB)

–

15 

~15.5

–

15 

~15.5

Air-Purifying Filter with Photocatalytic 
Deodorizing Function

—

—

PAM Control

Titanium Apatite Photocatalytic Air-
Purifying Filter

—

—

Standby Electricity Saving

—

—

Compressor

Oval Scroll Compressor

—

—

Air Filter (Prefilter)

—

—

Swing Compressor

Wipe-Clean Flat Panel

—

—

Rotary Compressor

—

—

Washable Grille

—

—

Reluctance DC Motor

MOLD PROOF Operation

—

—

Comfortable 
Airflow

Power-Airflow Flap

—

—

Good-Sleep Cooling Operation

—

—

Power-Airflow Dual Flaps

—

—

Timer

WEEKLY TIMER Operation

—

—

Power-Airflow Diffuser

—

—

24-Hour ON/OFF TIMER

—

—

Wide-Angle Louvers

—

—

NIGHT SET Mode

—

—

Vertical Auto-Swing (Up and Down)

—

—

Worry Free 
“Reliability & 
Durability”

Auto-Restart (after Power Failure)

—

—

Horizontal Auto-Swing (Right and Left)

—

—

Self-Diagnosis (Digital, LED) Display

3-D Airflow

—

—

Wiring Error Check Function

COMFORT AIRFLOW Operation

—

—

Anti-Corrosion Treatment of Outdoor 
Heat Exchanger

Comfort 
Control

Auto Fan Speed

—

—

Flexibility

Multi-Split / Split Type Compatible 
Indoor Unit

—

—

Indoor Unit Quiet Operation

—

—

H/P, C/O Compatible Indoor Unit

—

—

NIGHT QUIET Mode (Automatic)

Flexible Power Supply Correspondence

—

—

OUTDOOR UNIT QUIET Operation 
(Manual)

High Ceiling Application

—

—

2-Area INTELLIGENT EYE Operation

—

—

Chargeless

30 m 30 m

INTELLIGENT EYE Operation

—

—

Either Side Drain (Right or Left)

—

—

Quick Warming Function (Preheating 
Operation)

Power Selection

—

—

Hot-Start Function

—

—

Remote 
Control

5-Room Centralized Controller (Option)

—

—

Automatic Defrosting

Operation

Automatic Operation

—

—

Remote Control Adaptor (Normal Open 
Pulse Contact) (Option)

—

—

Program Dry Operation

—

—

Fan Only

—

—

Remote Control Adaptor (Normal Open 
Contact) (Option)

—

—

Lifestyle 
Convenience

New POWERFUL Operation (Non-
Inverter)

—

—

Inverter POWERFUL Operation 

—

—

DIII-NET Compatible (Adaptor) (Option)

—

—

Priority-Room Setting

Remote 
Controller

Wireless (Option)

—

—

COOL / HEAT Mode Lock

Wired

—

—

HOME LEAVE Operation

—

—

ECONO Operation

—

—

Indoor Unit [ON/OFF] Button

—

—

Signal Receiving Sign

—

—

R/C with Back Light

—

—

Temperature Display

—

—

Note:

 : Holding Functions

— : No Functions

Summary of Contents for Super Multi NX 3MKS50E3V1B

Page 1: ...Service Manual SiBE121135 E F G K Series Applied Models O Inverter Multi Cooling Only O Inverter Multi Heat Pump...

Page 2: ...0K2V1B 3MXS68G2V1B 4MXS80E2V3B 3MXS52E3V1B 4MXS68F2V1B 5MXS90E2V3B Indoor Unit FTXG25JV1BW FVXG25K2V1B FCQG35FVEB FTXG25JV1BA FVXG35K2V1B FCQG50FVEB FTXG35JV1BW FVXG50K2V1B FCQG60FVEB FTXG35JV1BA FVXS...

Page 3: ...41 2 2 FTXS20 25K2V1B CTXS15 35K2V1B 44 2 3 FTXS25 35 42 50J2V1B 46 2 4 FTXS60 71GV1B 49 2 5 FVXG25 35 50K2V1B 52 2 6 FVXS25 35 50FV1B 55 2 7 FLXS25 35 50 60BAVMB 57 2 8 FDXS25 35E7VMB FDXS50 60C7VMB...

Page 4: ...mperature Control 112 4 5 Input Current Control 113 4 6 Freeze up Protection Control 113 4 7 Heating Peak cut Control 114 4 8 Outdoor Fan Control 115 4 9 Liquid Compression Protection Function 115 4 1...

Page 5: ...4 Swing Motor Lock FHQ Series Only 289 6 5 Drain System Abnormality 290 6 6 Thermistor or Related Abnormality SA Indoor Unit 291 6 7 Remote Controller Thermistor Abnormality 292 6 8 Signal Transmissio...

Page 6: ...trical Box 341 1 3 Removal of PCBs 349 1 4 Removal of Outdoor Fan Fan Motor 354 1 5 Removal of Sound Blankets 356 1 6 Removal of Coils Thermistors 360 1 7 Removal of Distributor 363 1 8 Removal of Fou...

Page 7: ...s vi 6 Application of Silicon Grease to a Power Transistor and a Diode Bridge 423 Part 9 Appendix 424 1 Piping Diagrams 425 1 1 Outdoor Unit 425 1 2 Indoor Unit 430 2 Wiring Diagrams 437 2 1 Outdoor U...

Page 8: ...ower cable plug from the plug socket before disassembling the equipment for repair Working on the equipment that is connected to the power supply may cause an electrical shock If it is necessary to su...

Page 9: ...ctrical shock Do not clean the air conditioner by splashing water Washing the unit with water may cause an electrical shock Be sure to provide the grounding when repairing the equipment in a humid or...

Page 10: ...at generation or fire When wiring between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the ter...

Page 11: ...nt children from swallowing it If a child swallows the coin battery see a doctor immediately Warning Caution Installation of a leakage breaker is necessary in some cases depending on the conditions of...

Page 12: ...to install the packing and seal on the installation frame properly If the packing and seal are not installed properly water may enter the room and wet the furniture and floor For unitary type only Ca...

Page 13: ...SiBE121135 List of Functions 1 Part 1 List of Functions 1 Cooling Only 2 1 1 Outdoor Unit 2 1 2 Indoor Unit 3 2 Heat Pump 6 2 1 Outdoor Unit 6 2 2 Indoor Unit 7...

Page 14: ...tart after Power Failure 3 D Airflow Self Diagnosis Digital LED Display COMFORT AIRFLOW Operation Wiring Error Check Function Comfort Control Auto Fan Speed Anti Corrosion Treatment of Outdoor Heat Ex...

Page 15: ...3 D Airflow Self Diagnosis Digital LED Display COMFORT AIRFLOW Operation Wiring Error Check Function Comfort Control Auto Fan Speed Anti Corrosion Treatment of Outdoor Heat Exchanger Indoor Unit Quie...

Page 16: ...after Power Failure Comfort Control Auto Fan Speed Self Diagnosis Digital LED Display Indoor Unit Quiet Operation Wiring Error Check Function NIGHT QUIET Mode Automatic Anti Corrosion Treatment of Out...

Page 17: ...y Durability Auto Restart after Power Failure Comfort Control Auto Fan Speed Self Diagnosis Digital LED Display Indoor Unit Quiet Operation Wiring Error Check Function NIGHT QUIET Mode Automatic Anti...

Page 18: ...Power Failure Horizontal Auto Swing Right and Left Self Diagnosis Digital LED Display 3 D Airflow Wiring Error Check Function COMFORT AIRFLOW Operation Anti Corrosion Treatment of Outdoor Heat Exchan...

Page 19: ...irflow Wiring Error Check Function COMFORT AIRFLOW Operation Anti Corrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Indoor Unit Quiet Operation Flexibility Multi Split Split...

Page 20: ...Airflow Wiring Error Check Function COMFORT AIRFLOW Operation Anti Corrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Indoor Unit Quiet Operation Flexibility Multi Split Spl...

Page 21: ...y 3 D Airflow Wiring Error Check Function COMFORT AIRFLOW Operation Anti Corrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Flexibility Multi Split Split Type Compatible Indo...

Page 22: ...rflow Wiring Error Check Function COMFORT AIRFLOW Operation Anti Corrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Flexibility Multi Split Split Type Compatible Indoor Unit...

Page 23: ...igital LED Display 3 D Airflow Wiring Error Check Function COMFORT AIRFLOW Operation Anti Corrosion Treatment of Outdoor Heat Exchanger Comfort Control Auto Fan Speed Flexibility Multi Split Split Typ...

Page 24: ...r Failure COMFORT AIRFLOW Operation Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Function Indoor Unit Quiet Operation Anti Corrosion Treatment of Outdoor Heat E...

Page 25: ...ter Power Failure COMFORT AIRFLOW Operation Self Diagnosis Digital LED Display Comfort Control Auto Fan Speed Wiring Error Check Function Indoor Unit Quiet Operation Anti Corrosion Treatment of Outdoo...

Page 26: ...SiBE121135 14 Specifications Part 2 Specifications 1 Cooling Only 15 1 1 Outdoor Unit 15 1 2 Indoor Unit 17 2 Heat Pump 22 2 1 Outdoor Unit 22 2 2 Indoor Unit 25...

Page 27: ...0 Packaged Dimensions H W D mm 797 992 390 797 992 390 Weight Mass kg 49 49 Gross Weight Gross Mass kg 56 56 Sound Pressure Level dB A 46 46 Sound Power Level dB 59 59 Piping Connection Liquid mm 6 4...

Page 28: ...W D mm 797 992 390 900 925 390 Weight Mass kg 57 69 Gross Weight Gross Mass kg 61 78 Sound Pressure Level dB A 48 48 Sound Power Level dB 61 62 Piping Connection Liquid mm 6 4 4 6 4 5 Gas mm 9 5 2 12...

Page 29: ...and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D070570A 3D070571A Model FTXS42J2V1B FTXS50J2V1B Rated Capacity 4 2 kW Class 5 0 kW Class Front Panel C...

Page 30: ...Washable Mildew Proof Running Current Rated A 0 19 0 18 0 17 0 21 0 20 0 19 Power Consumption Rated W 40 40 40 45 45 45 Power Factor Rated 95 7 96 6 98 0 97 4 97 8 98 7 Temperature Control Microcomput...

Page 31: ...ing Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm VP20 O D 26 I D 20 VP20 O D 26 I D 20 Drawing No 3D060406 3D060408 Model FFQ50B9V1B FFQ60B9V1B Rated Capacity 5 0 kW Class 6 0 kW Class Decorat...

Page 32: ...dB A 37 32 38 33 Sound Power Level dB 53 54 Heat 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 VP20 O D 26 I D 20 VP20 O D...

Page 33: ...quid mm 6 35 6 35 Flare Gas mm 9 52 9 52 Flare Drain mm O D 27 2 VP25 O D 32 I D 25 Model FBQ50C8VEB FBQ60C8VEB Rated Capacity 5 0 kW Class 6 0 kW Class Decoration Panel Model BYBS45DJW1 BYBS71DJW1 Co...

Page 34: ...nsions H W D mm 797 992 390 797 992 390 Weight Mass kg 49 49 Gross Weight Gross Mass kg 56 56 Sound Pressure Level dB A 46 47 46 47 Sound Power Level dB 59 60 59 60 Piping Connection Liquid mm 6 4 3 6...

Page 35: ...ing Current A 6 2 6 2 Dimensions H W D mm 735 936 300 735 936 300 Packaged Dimensions H W D mm 797 992 390 797 992 390 Weight Mass kg 58 58 Gross Weight Gross Mass kg 63 63 Sound Pressure Level dB A 4...

Page 36: ...70 900 320 770 900 320 Packaged Dimensions H W D mm 900 925 390 900 925 390 Weight Mass kg 72 73 Gross Weight Gross Mass kg 80 80 Sound Pressure Level dB A 48 49 52 52 Sound Power Level dB 60 66 Pipin...

Page 37: ...ng Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 16 0 or 18 0 16 0 or 18 0 Drawing No 3D066165A 3D066436A Model FTXG35JV1BW FTXG35JV1BA Cooling Heating Cooling Heating Rated Capacity 3 5 kW Cla...

Page 38: ...es Piping Connection Liquid mm 6 4 6 4 Gas mm 12 7 12 7 Drain mm 18 0 18 0 Drawing No 3D071585 3D072083A Model CTXS15K2V1B FTXS20K2V1B Cooling Heating Cooling Heating Rated Capacity 1 5 kW Class 2 0 k...

Page 39: ...ing Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D074534 3D074535 Model FTXS25J2V1B FTXS35J2V1B Cooling Heating Cooling Heating Rated Capacity 2 5 kW Class 3 5 kW Class F...

Page 40: ...tion Liquid mm 6 4 6 4 Gas mm 9 5 12 7 Drain mm 18 0 18 0 Drawing No 3D070567A 3D070568A Model FTXS60GV1B FTXS71GV1B Cooling Heating Cooling Heating Rated Capacity 6 0 kW Class 7 1 kW Class Front Pane...

Page 41: ...Weight Gross Mass kg 28 28 Sound Pressure Level H M L SL dB A 38 32 26 23 39 32 26 22 39 33 27 24 40 33 27 23 Sound Power Level dB 54 55 55 56 Heat Insulation Both Liquid and Gas Pipes Both Liquid an...

Page 42: ...Gross Mass kg 18 18 Sound Pressure Level H M L SL dB A 38 32 26 23 38 32 26 23 39 33 27 24 39 33 27 24 Sound Power Level dB 54 54 55 55 Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pi...

Page 43: ...n Both Liquid and Gas Pipes Both Liquid and Gas Pipes Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D059564 3D059567 Model FLXS50BAVMB FLXS60BAVMB Cooling Heating C...

Page 44: ...as mm 9 5 9 5 Drain mm VP20 O D 26 I D 20 VP20 O D 26 I D 20 Drawing No 3D060029 3D060030 Model FDXS50C7VMB FDXS60C7VMB Cooling Heating Cooling Heating Rated Capacity 5 0 kW Class 6 0 kW Class Airflow...

Page 45: ...31 29 27 Sound Power Level H dB 49 49 Heat Insulation Foamed polystyrene Foamed polyethylene Foamed polystyrene Foamed polyethylene Piping Connection Liquid mm 6 35 Flare 6 35 Flare Gas mm 9 52 Flare...

Page 46: ...d mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm VP20 O D 26 I D 20 VP20 O D 26 I D 20 Drawing No 3D060405 3D060407 Model FFQ50B9V1B FFQ60B9V1B Cooling Heating Cooling Heating Rated Capacity 5 0 kW Class 6 0 kW C...

Page 47: ...sure Level H L dB A 37 32 38 33 Sound Power Level dB 53 54 Heat 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 VP20 O D 26...

Page 48: ...ion Liquid mm 6 35 6 35 Flare Gas mm 9 52 9 52 Flare Drain mm O D 27 2 VP25 O D 32 I D 25 Model FBQ50C8VEB FBQ60C8VEB Cooling Heating Cooling Heating Rated Capacity 5 0 kW Class 6 0 kW Class Decoratio...

Page 49: ...20 25K2V1B CTXS15 35K2V1B 44 2 3 FTXS25 35 42 50J2V1B 46 2 4 FTXS60 71GV1B 49 2 5 FVXG25 35 50K2V1B 52 2 6 FVXS25 35 50FV1B 55 2 7 FLXS25 35 50 60BAVMB 57 2 8 FDXS25 35E7VMB FDXS50 60C7VMB 59 2 9 FCQG...

Page 50: ...S80 Connector for four way valve coil 12 S90 Connector for thermistors outdoor temperature outdoor heat exchanger discharge pipe temperature 13 S92 Connector for gas pipe thermistors 14 S93 Connector...

Page 51: ...58 class PCB 1 Main PCB 68 75 class V3 V11 AC1 FU2 HR1 HR2 FU3 2P165232 2 2P165232 4 S40 S20 S70 S90 S93 S92 S23 S21 S22 S51 S10 AC2 S15 S101 V5 S80 V6 V2 FU1 E1 E2 W V U V3 AC1 E1 E2 FU2 HR1 V100 HR...

Page 52: ...om model PCB 2 Service Monitor PCB for 5 room model V3 AC1 E1 E2 FU2 V100 FU3 S40 S20 S21 S22 S23 S70 S90 S92 S93 S51 W V U S15 AC2 S101 S10 V5 S80 V9 V2 S24 FU1 2P171491 1 2P171491 2 HR1 white HR2 bl...

Page 53: ...limit switch 6 S46 Connector for signal receiver display PCB 7 S200 Connector for fan motor 8 H1 H2 H3 FG Connector for terminal board 9 JB Fan speed setting when compressor stops for thermostat OFF J...

Page 54: ...Indoor Unit SiBE121135 42 Printed Circuit Board Connector Wiring Diagram PCB Detail A1P Control PCB S42 S41 S32 JB JC S200 H3 H2 FG S46 S21 S25 LED A V1 F1U H1 2P254830 1...

Page 55: ...SiBE121135 Indoor Unit Printed Circuit Board Connector Wiring Diagram 43 A3P INTELLIGENT EYE Sensor PCB A2P Signal Receiver Display PCB S52 S51 S1W JA H2P H1P 3P254832 1 S36 3P255914 1...

Page 56: ...1 FG2 Connector for terminal board frame ground 8 H1 H2 H3 Connector for terminal board indoor outdoor transmission 9 V1 Varistor 10 JA Address setting jumper Refer to page 415 for detail 11 JB Fan sp...

Page 57: ...nnector Wiring Diagram 45 PCB Detail PCB 1 Control PCB PCB 3 INTELLIGENT EYE Sensor PCB PCB 2 Display PCB FU1 FG1 FG2 LED A S200 2P297453 1 S32 S26 S6 JA JC JB S25 S403 H2 H3 H1 V1 S27 SW1 Solder side...

Page 58: ...47 Connector for signal receiver PCB 8 H1 H2 H3 FG Connector for terminal board 9 JA Address setting jumper Refer to page 415 for detail 10 JB Fan speed setting when compressor stops for thermostat OF...

Page 59: ...SiBE121135 Indoor Unit Printed Circuit Board Connector Wiring Diagram 47 PCB Detail PCB 1 Control PCB V1 FU1 S1 S41 S21 S47 JB JA JC S46 S25 LED A S32 FG H1 H2 H3 2P206687 1...

Page 60: ...it SiBE121135 48 Printed Circuit Board Connector Wiring Diagram PCB 2 Signal Receiver PCB PCB 3 Display PCB PCB 4 INTELLIGENT EYE Sensor PCB 3P210728 1 S48 3P210728 1 RTH1 SW1 LED3 LED2 LED1 S49 3EB86...

Page 61: ...7 S47 Connector for signal receiver PCB 8 H1 H2 H3 FG Connector for terminal board 9 V1 Varistor 10 JA Address setting jumper Refer to page 415 for detail 11 JB Fan speed setting when compressor stops...

Page 62: ...Indoor Unit SiBE121135 50 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Control PCB 2P227881 2 V1 H1 H2 H3 LED A S32 S1 S41 S46 S25 S47 S21 JB JA JC FG FU1 3 15A...

Page 63: ...5 Indoor Unit Printed Circuit Board Connector Wiring Diagram 51 PCB 2 Signal Receiver PCB PCB 3 Display PCB PCB 4 INTELLIGENT EYE Sensor PCB S48 3P247309 1 LED1 LED2 LED3 SW1 S49 RTH1 3P247309 1 S36 3...

Page 64: ...ermistor 8 S33 Connector for room temperature thermistor 9 S34 Connector for radiant panel thermistors 10 S46 Connector for display PCB 11 FG Connector for earth 12 V1 Varistor 13 JB Fan speed setting...

Page 65: ...SiBE121135 Indoor Unit Printed Circuit Board Connector Wiring Diagram 53 PCB Detail PCB 1 Main PCB S6 S30 S21 S32 S33 S34 S26 S46 FG LED A S1 V1 F1U S2 JB JC 2P273247 1...

Page 66: ...Indoor Unit SiBE121135 54 Printed Circuit Board Connector Wiring Diagram PCB 2 Display PCB PCB 3 Service PCB S56 S1W H3P H1P H2P 3P273252 1 S2W 1 S27 3P273254 1...

Page 67: ...r for sensor PCB 9 H1 H2 H3 Connector for terminal board 10 E1 Terminal for earth 11 V1 V2 Varistor 12 JA Address setting jumper Refer to page 415 for detail 13 JB Fan speed setting when compressor st...

Page 68: ...Diagram PCB Detail PCB 1 Sensor PCB PCB 2 Control PCB PCB 3 Service PCB PCB 4 Display PCB LED3 does not function S49 RTH2 3P191450 1 S1 LED A S21 S41 S42 S26 S46 S48 S32 JC JA JB V1 V2 H1 FU1 2P191446...

Page 69: ...ss setting jumper Refer to page 415 for detail 9 JB Fan speed setting when compressor stops for thermostat OFF JC Power failure recovery function Refer to page 418 for detail 10 SW2 Select switch for...

Page 70: ...ontrol PCB PCB 2 Power Supply PCB PCB 3 Display PCB PCB 4 Signal Receiver PCB SW2 S7 S6 S24 JC JB JA S37 S32 S26 S21 LED A 2P084352 3 S36 FU1 H2 H3 H4 H5 H6 H1 V1 2P084361 1 LED3 LED2 LED1 S25 2P08437...

Page 71: ...onnector for terminal board 7 GND Connector for terminal board earth 8 JA Address setting jumper Refer to page 415 for detail 9 JB Fan speed setting when compressor stops for thermostat OFF JC Power f...

Page 72: ...SiBE121135 60 Printed Circuit Board Connector Wiring Diagram PCB Detail PCB 1 Control PCB PCB 2 Display PCB S1 H2 S7 S26 S32 JC JB JA S21 2P131149 1 LED A FU1 H1 H3 V1 GND S1 LED3 LED2 LED1 SW1 2P084...

Page 73: ...for inter unit wiring 7 X30A Connector for terminal board for wired remote controller 8 X33A Connector for wiring adaptor PCB option 9 X35A Connector for group control adaptor option 10 X36A Connector...

Page 74: ...Indoor Unit SiBE121135 62 Printed Circuit Board Connector Wiring Diagram PCB Detail A1P X27A X65A X20A SS1 2P263068 4 X30A X70A X24A X15A X18A X16A X36A X17A HAP X33A X35A...

Page 75: ...SiBE121135 Indoor Unit Printed Circuit Board Connector Wiring Diagram 63 A2P A3P Humidity Sensor PCB X9A X2A X4A X10A X8A X7A X1A HAP 2P263045 1 Humidity sensor CN1 4EB86011 3...

Page 76: ...room temperature thermistor 6 X20A Connector for fan motor 7 X24A Connector for signal receiver PCB when the wireless remote controller is used 8 X25A Connector for drain pump motor 9 X27A Connector...

Page 77: ...iBE121135 Indoor Unit Printed Circuit Board Connector Wiring Diagram 65 PCB Detail A1P Control PCB X27A X11A X33A X10A X19A X60A X61A X5A X35A X24A HAP X15A X17A SS1 X40A X36A X18A X25A X20A 2P197080...

Page 78: ...6 X19A Connector for room temperature thermistor 7 X20A X26A Connector for fan motor 8 X24A Connector for signal receiver PCB when the wireless remote controller is used 9 X25A Connector for drain pu...

Page 79: ...1135 Indoor Unit Printed Circuit Board Connector Wiring Diagram 67 PCB Detail A1P Control PCB 2P197075 6 X19A X18A X40A X15A X14A X61A X33A X20A X11A X27A X17A X35A X60A X5A X10A HAP X24A X26A X25A X2...

Page 80: ...er thermistor 4 X18A Connector for liquid pipe thermistor 5 X19A Connector for room temperature thermistor 6 X21A Connector for fan motor 7 X27A Connector for terminal board for inter unit wiring 8 X3...

Page 81: ...SiBE121135 Indoor Unit Printed Circuit Board Connector Wiring Diagram 69 PCB Detail A1P Control PCB X27A X11A X33A X61A X18A X19A X17A X21A X40A X5A X10A X35A X60A SS1 HAP 2P095008 8...

Page 82: ...minal board for wired remote controller 9 X33A Connector for wiring adaptor PCB option 10 X35A Connector for group control adaptor option 11 X70A Connector for fan PCB 12 X85A Connector for multi zoni...

Page 83: ...SiBE121135 Indoor Unit Printed Circuit Board Connector Wiring Diagram 71 PCB Detail A1P Control PCB X17A X70A X85A SS1 X18A X15A X30A X16A HAP X33A X35A X27A X28A X25A 2P202878 7...

Page 84: ...Unit SiBE121135 72 Printed Circuit Board Connector Wiring Diagram A2P Fan PCB for FBQ35 50C8VEB A2P Fan PCB for FBQ60C8VEB F4U X10A X3A X8A F2U HAP X6A 2P207230 1 F3U X6A X10A X9A X1A X2A X3A HAP 2P21...

Page 85: ...Connector Wiring Diagram 73 3 Wired Remote Controller 3 1 BRC1D528 Connectors and Other Parts PCB Detail 1 P1 P2 Terminal for indoor unit 2 R1T Room temperature thermistor 3 SS1 MAIN SUB setting swit...

Page 86: ...SiBE121135 74 Printed Circuit Board Connector Wiring Diagram 3 2 BRC1E52A7 BRC1E52B7 Connectors and Other Parts PCB Detail 1 P1 P2 Terminal for indoor unit 2 R1T Room temperature thermistor P2 P1 R1T...

Page 87: ...lti Colored Indicator Lamp TIMER Lamp 95 1 17 Other Functions 97 2 Indoor Unit Control SA Models 99 2 1 Drain Pump Control 99 2 2 Thermostat Sensor in Remote Controller 101 2 3 Freeze Prevention Contr...

Page 88: ...e frequency of the compressor is controlled by the following 2 parameters The load condition of the operating indoor unit The difference between the room thermistor temperature and the target temperat...

Page 89: ...g and cooling Once the set temperature is reached the energy saving operation enables to maintain the room temperature at low power Frequency Limits The following functions regulate the minimum and ma...

Page 90: ...fan banned area Control Flow Timing Chart 1 Opening the front panel fully Start Running 2 Output of the D signal after the front panel starts moving 4 Making the fan rotate when the flap passes over...

Page 91: ...e Angle Louvers The louvers made of elastic synthetic resin provide a wide range of airflow that guarantees comfortable air distribution Auto Swing The following table explains the auto swing process...

Page 92: ...becomes 3 D airflow The horizontal and vertical swing motion is altered and the airflow direction changes in the order shown in the following diagram 1 The vertical blades louvers move from the right...

Page 93: ...n and Control 81 COMFORT AIRFLOW Operation Wall Mounted Type The vertical swing flap is controlled not to blow the air directly at the people in the room Cooling Dry Heating R11665 R12181 A B FTXG 5 7...

Page 94: ...Type Floor Standing Type The upper limit is M tap in 30 minutes from the operation start Floor Ceiling Suspended Dual Type Duct Connected Type Heating In heating operation the fan speed is regulated...

Page 95: ...starts and adjusts the opening of the indoor electronic expansion valve to achieve the target panel temperature The panel temperature is categorized into stop dropping keep up and return zones The ta...

Page 96: ...erature Set temperature Rotation speed of indoor unit fan Note The only difference between RADIANT 1 and RADIANT 2 is the movement of the indoor unit fan In RADIANT 1 the rotation speed of the indoor...

Page 97: ...mistor temperature at start up and the target temperature is divided into two zones Then the unit operates an appropriate capacity for each zone to maintain the temperature and humidity at a comfortab...

Page 98: ...n mode switching point are as follows Tr means the room thermistor temperature 1 Heating Cooling switching point Tr Tt 3 0 C FTXG FTXS G FVXG series Tr Tt 2 5 C other models 2 Cooling Heating switchin...

Page 99: ...from defrost control in any zones except A The operation turns on in any zones except A The monitoring time has passed while the temperature difference is in the zone B Cooling Dry 10 minutes Heating...

Page 100: ...es Floor Standing Type FVXS series Floor Ceiling Suspended Dual Type Duct Connected Type Refer to Temperature Control on page 76 for detail OFF ON B A C 1 5 C 2 0 C 0 5 C Room thermistor temperature t...

Page 101: ...raises the target temperature slightly in the case of cooling or lowers it slightly in the case of heating This prevents excessive cooling in summer and excessive heating in winter to ensure comfortab...

Page 102: ...tivated from the wireless remote controller by pushing the ECONO button When this function is activated the maximum capacity also decreases ECONO operation can only be set when the unit is running Pre...

Page 103: ...presenting HOME LEAVE is indicated on the display of the remote controller The indoor unit is operated according to the set temperature and airflow rate for HOME LEAVE which were pre set in the memory...

Page 104: ...the motion signal is ON 2 The motions for example in cooling When the microcomputer does not have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit at...

Page 105: ...The microcomputer in the indoor unit carries out a sampling every 20 msec and if it detects 10 cycles of the wave in one second in total corresponding to 20 msec 10 200 msec and when the ON signal co...

Page 106: ...and B Shift the airflow direction to area B left side 2 Detection signal ON in area A Shift the airflow direction to area B left side 3 Detection signal ON in area B Shift the airflow direction to ar...

Page 107: ...ted Type FTXG Series Current operation mode is displayed in color of the lamp of the indoor unit Operating status can be monitored even in automatic operation in accordance with the actual operation m...

Page 108: ...time 5C is displayed on the LCD 2 Select L light with the Temp or button 3 Press the Mode button to enter the brightness setting mode 4 Press the Temp or button to adjust the brightness of the multi c...

Page 109: ...ivate with the ON OFF button Ex Wall mounted type FTXS J series Note When the ON OFF button is pressed for 10 seconds or more the forced operation is stopped 1 17 4 Titanium Apatite Photocatalytic Air...

Page 110: ...ted 1 17 8 WEEKLY TIMER Operation Up to 4 timer settings can be saved for each day of the week up to 28 settings in total Those 3 items of ON OFF temperature and time can be set Refer to WEEKLY TIMER...

Page 111: ...ng thermostat is ON 2 1 2 When the Float Switch is Tripped While the Cooling Thermostat is OFF 3 Malfunction residual The remote controller displays A3 and the air conditioner comes to an abnormal sto...

Page 112: ...ed AF is then displayed as operation continues 5 Malfunction residual The remote controller displays A3 and the air conditioner comes to an abnormal stop if the float switch is OFF for more than 5 min...

Page 113: ...0 C A F This example also assumes there are several other air conditioners and the suction temperature changes even when the thermostat sensor is off Body thermostat sensor is used for temperatures fr...

Page 114: ...24 C and the suction temperature has changed from 18 C to 28 C A D This example also assumes there are several other air conditioners and the suction temperature changes even when the thermostat sens...

Page 115: ...e with the following conditions and is also set in accordance with the conditions given below Conditions for starting Temperature is 1 C or less for total of 40 min or temperature is 5 C or less for t...

Page 116: ...ity Detail TH2 Temperature C detected with the gas thermistor TC High pressure equivalent saturated temperature Defrost ending or oil return ending or Thermostat ON The fan is not OFF before initiatin...

Page 117: ...ectronic expansion valve opening so that the target discharge pipe temperature can be obtained 2 In cooling operation the outdoor heat exchanger thermistor is used for detecting the disconnection of t...

Page 118: ...ation halts 5 In heating operation the indoor heat exchanger thermistor is used for detecting the disconnection of the discharge pipe thermistor When the discharge pipe temperature becomes lower than...

Page 119: ...by each room in accordance with the procedure and determines the operation mode of the system The following procedure is taken when the modes conflict with each other 1 The system follows the mode wh...

Page 120: ...ermine upper limit frequency The minimum value is set as the upper limit frequency among the frequency upper limits of the following functions Compressor protection input current discharge pipe temper...

Page 121: ...uency Indoor Frequency Command D signal The difference between a room thermistor temperature and the target temperature is taken as the D signal and is used for frequency command Values depend on the...

Page 122: ...y increasing range When the difference between input current and input current dropping value is less than 1 5 A the frequency increasing range must be limited 4 Frequency management when other contro...

Page 123: ...way valve is carried out Detail OFF delay switch of four way valve The four way valve coil is energized for 150 seconds after the operation is stopped 4 3 3 Four Way Valve Operation Compensation Outli...

Page 124: ...to keep the discharge pipe temperature from rising further Detail 40 50 52 58 class 68 75 80 90 class A Hz 55 55 B Hz 70 65 C Hz 85 80 D seconds 150 240 120 E seconds 180 200 F seconds 300 470 A D E F...

Page 125: ...maximum frequency goes on Reset zone Limit of the frequency is canceled Limitation of current dropping and stop value according to the outdoor temperature The current drops when outdoor temperature b...

Page 126: ...changed The maximum value of the indoor heat exchanger temperature controls the following excluding stopped rooms Zone Control Stop zone When the temperature reaches the stop zone the compressor stops...

Page 127: ...n the outdoor temperature is more than 10 C the fan is turned off for 30 seconds 6 Fan speed control during forced operation The outdoor fan is controlled as well as normal operation during the forced...

Page 128: ...e than 38 minutes of accumulated time pass after the start of the operation or ending the previous defrosting Conditions for Canceling Defrost The target heat exchanger temperature as the canceling co...

Page 129: ...control 2 SC subcooling control 3 Liquid pipe temperature control with all ports connected and all rooms being air conditioned 4 Liquid pipe temperature control for stopped rooms 5 Dew prevention con...

Page 130: ...of target discharge pipe temperature Control when the operating room is changed Control of target discharge pipe temperature Defrost control Pressure equalizing control Open control when starting Cont...

Page 131: ...oor electronic expansion valve opening is controlled when the operation starts and prevents superheating or liquid compression 4 12 5 Control when the Frequency Changes When the target discharge pipe...

Page 132: ...hermistor is disconnected When the disconnection is ascertained the compressor continues operation for 9 minutes and then stops If the compressor stops repeatedly the system is shut down 4 12 9 Gas Pi...

Page 133: ...pe temperature The outdoor electronic expansion valve opening and the target discharge pipe temperature are adjusted every 20 seconds The target discharge pipe temperature is controlled by indoor heat...

Page 134: ...wn the compressor If the OL compressor head temperature exceeds 120 130 C the compressor stops 4 13 3 Refrigerant Shortage Control Outline I Detecting by power consumption If the power consumption is...

Page 135: ...the operation stopped room becomes below the specified temperature for the specified time the outdoor electronic expansion valve is opened in the operation stopped room as specified and the fully clo...

Page 136: ...Operation Manual 1 System Configuration 125 2 RA Indoor Unit 126 2 1 FTXG FTXS K CTXS FVXG Series ARC466A1 A2 A6 126 2 2 FTXS J FTXS G FVXS Series ARC452A1 A3 178 2 3 FLXS FDXS Series ARC433B67 B69 21...

Page 137: ...l and how to use it efficiently Providing instructions to the user can reduce requests for servicing by 80 However proficient the installation and operating functions of the air conditioning system ar...

Page 138: ...arts 127 131 135 Preparation before Operation 139 2 139 2 139 Operation AUTO DRY COOL HEAT FAN Operation 141 143 145 RADIANT Operation 146 Temperature Setting 147 Adjusting the Airflow Direction and R...

Page 139: ...receiver Sound type beep beep beep long beep Indoor unit ON OFF switch Press this switch once to start operation Press once again to stop it The operation mode refer to the following table Temperatur...

Page 140: ...RA Indoor Unit SiBE121135 128 Operation Manual Open the front panel Panel support plate Air filter Titanium apatite photocatalytic air purifying filter...

Page 141: ...there are no obstacles within 50cm under the signal receiver Such obstacles if any may have an adverse influence on the reception performance of the receiver and the reception distance may be shorten...

Page 142: ...EEKLY TIMER operation TIMER CANCEL button It changes the ON OFF TIMER and WEEKLY TIMER settings SELECT button CLOCK button ON TIMER button WEEKLY TIMER operation INTELLIGENT EYE operation INTELLIGENT...

Page 143: ...once again to stop it The operation mode refers to the following table OPERATION lamp green TIMER lamp yellow INTELLIGENT EYE lamp green This switch is useful when the remote controller is missing Ro...

Page 144: ...RA Indoor Unit SiBE121135 132 Operation Manual Open the front panel Air filter Titanium apatite photocatalytic air purifying filter...

Page 145: ...between the unit and the remote controller such as a curtain the unit will not operate Do not drop the remote controller Do not get it wet The maximum distance for communication is approx 7m It selec...

Page 146: ...R button CLOCK button OUTDOOR UNIT QUIET operation COMFORT AIRFLOW operation It cancels the timer setting It cannot be used for the WEEKLY TIMER operation It changes the ON OFF TIMER and WEEKLY TIMER...

Page 147: ...receiver Sound type beep beep beep long beep Indoor unit ON OFF switch This switch is useful when the remote controller is missing Air inlet Mode AUTO Temperature setting 25 C Airflow rate AUTO Case O...

Page 148: ...It is inside of air filter lower The surface of the radiant panel becomes very hot during RADIANT operation Do not touch the panel of the main unit directly After the operation is complete do not rem...

Page 149: ...rop the remote controller Do not get it wet The maximum distance for communication is approximately 7m RADIANT switching button RADIANT operation FAN setting button It selects the airflow rate setting...

Page 150: ...UIET button OUTDOOR UNIT QUIET operation POWERFUL button POWERFUL operation TIMER CANCEL button It cancels the timer setting It cannot be used for the WEEKLY TIMER operation SELECT button It changes t...

Page 151: ...both old batteries together When the system is not used for a long time take the batteries out The batteries will last for approximately 1 year If the remote controller display begins to fade and the...

Page 152: ...or decreases the time display 5 Press Point the remote controller at the indoor unit when pressing the buttons blinks NOTE Note on setting the clock If the indoor unit s internal clock is not set to...

Page 153: ...be degraded if the outdoor temperature is high The computer chip works to rid the room of humidity while maintaining the temperature as much as possible It automatically controls temperature and airfl...

Page 154: ...work to stop the operation of the outdoor unit only Condensation may occur on the indoor unit and drip A safety device may work to stop the operation A safety device may work to stop the operation Co...

Page 155: ...eat pump system heats the room by circulating hot air around all parts of the room After the start of HEAT operation it takes some time before the room gets warmer In HEAT operation frost may occur on...

Page 156: ...it is not operating Connecting outdoor unit RXS20 25 1 15W Other outdoor units 15 20W The outdoor unit consumes 40 to 55W of power at the time of compressor preheating If you are not going to use the...

Page 157: ...After the start of HEAT operation it takes some time before the room gets warmer In HEAT operation frost may occur on the outdoor unit and lower the heating capacity In that case the system switches...

Page 158: ...Use this operation to prioritize quiet and currentless heating operation or when the noise from RADIANT1 operation bothers you The gentle breeze operation starts from the beginning CAUTION During the...

Page 159: ...to stop the operation of the outdoor unit only Condensation may occur on the indoor unit and drip A safety device may work to stop the operation Condensation may occur on the indoor unit and drip 2 3...

Page 160: ...while flaps are in auto swing mode Press when the flaps have reached the desired position disappears from the LCD To adjust the louvers at desired position Hold the knob and move the louvers You will...

Page 161: ...ways use a remote controller to adjust the angles of the flaps If you attempt to move it forcibly with hand when it is swinging the mechanism may be broken Be careful when adjusting the louvers Inside...

Page 162: ...ffective while flap is in auto swing mode Hold the knob and move the louvers You will find a knob on the left side and the right side blades When the unit is installed in the corner of a room the dire...

Page 163: ...pt to move the flap and louvers forcibly with hand when they are swinging the mechanism may be broken Be careful when adjusting the louvers Inside the air outlet a fan is rotating at a high speed If t...

Page 164: ...d Rate is displayed on the LCD The flap horizontal blade will begin to swing Press when the flap has reached the desired position Hold the knob and move the louvers You will find a knob on the left si...

Page 165: ...justing the Airflow Direction and Rate Each pressing of advances the airflow rate setting in sequence When the airflow is set to indoor unit quiet operation will start and the noise from the unit will...

Page 166: ...to COOL DRY The flap will go up HEAT The flap will go down The flaps will return to the memory position from before COMFORT AIRFLOW operation disappears from the LCD Press Press again COOL operation H...

Page 167: ...TELLIGENT EYE operation Press Press again INTELLIGENT EYE is the infrared sensor which detects the human movement If nobody in the room for more than 20 minutes the operation automatically changes to...

Page 168: ...es the temperature 1 C in COOL 1 C in DRY operation from set temperature This operation decreases the airflow rate slightly in FAN operation only NOTE Notes on INTELLIGENT EYE operation Energy saving...

Page 169: ...s which are not available POWERFUL operation cannot be used together with ECONO COMFORT AIRFLOW or OUTDOOR UNIT QUIET operation Priority is given to the function of whichever button is pressed last PO...

Page 170: ...RFUL operation cannot be used together with RADIANT2 ECONO or OUTDOOR UNIT QUIET operation Priority is given to the function of whichever button is pressed last POWERFUL operation can only be set when...

Page 171: ...nvenient during the night The noise level of the outdoor unit will be lower This is convenient when you need to consideration for your neighbourhood This function is available in COOL HEAT and AUTO op...

Page 172: ...ECONO operation The circuit breaker will hardly trip even if the air conditioner and other appliances are used at same time Running current and power consumption Maximum during normal operation Maxim...

Page 173: ...s the time setting rapidly 3 Press again and setting time are displayed on the LCD The multi monitor lamp blinks twice The TIMER lamp periodically lights orange To cancel OFF TIMER operation and setti...

Page 174: ...e TIMER lamp lights yellow and setting time disappear from the LCD and day of the week are displayed on the LCD The TIMER lamp goes off 1 Press 3 Press again Press 2 Press until the time setting reach...

Page 175: ...he time setting rapidly 3 Press again and setting time are displayed on the LCD The OPERATION lamp blinks and the TIMER lamp lights yellow To cancel OFF TIMER operation Press and setting time disappea...

Page 176: ...he point you like Each pressing of either button increases or decreases the time setting by 10 minutes Holding down either button changes the setting rapidly 3 Press again and setting time are display...

Page 177: ...ear from the LCD and setting time are displayed on the LCD The TIMER lamp lights yellow 1 Press 3 Press again 2 Press until the time setting reaches the point you like is displayed on the LCD blinks a...

Page 178: ...ncreases or decreases the time setting by 10 minutes Holding down either button changes the time setting rapidly 3 Press again and setting time are displayed on the LCD The OPERATION lamp blinks and t...

Page 179: ...day through Friday while different timer settings are made for the weekend Tuesday to Friday Use the copy mode to make settings for Tuesday to Friday because these settings are the same as those for M...

Page 180: ...4 settings can be made per day 2 Press to select the desired day of the week and reservation number Pressing changes the reservation number and the day of the week 3 Press The day of the week and res...

Page 181: ...he next reservation screen will appear To continue further settings repeat the procedure from step 4 The TIMER lamp lights yellow 10 Press to complete the setting is displayed on the LCD and WEEKLY TI...

Page 182: ...y of the week will be copied Tuesday to Friday 2 Press to confirm the day of the week to be copied 4 Press to select the destination day of the week Be sure to direct the remote controller toward the...

Page 183: ...Normal The reservation can be confirmed Confirming a reservation Confirmation The day of the week and the reservation number of the current day will be displayed 1 Press 2 Press to select the day of...

Page 184: ...ng with selecting blank This function can be used for deleting reservations for each day of the week It can be used while confirming or setting reservations 1 Press to select the day of the week to be...

Page 185: ...oom after this will give priority to HEAT and RADIANT operation In this situation the air conditioner running in FAN operation will go on standby and the OPERATION lamp will flash When the RADIANT ope...

Page 186: ...en POWERFUL operation is used Priority when using OUTDOOR UNIT QUIET operation Example Room A is the priority room in the examples When COOL operation is selected in room A while operating the followi...

Page 187: ...SiBE121135 RA Indoor Unit Operation Manual 175 2 1 17 Quick Reference FTXG25 35 50JV1BW A Quick Reference...

Page 188: ...RA Indoor Unit SiBE121135 176 Operation Manual FTXS20 25K2V1B CTXS15 35K2V1B Quick Reference...

Page 189: ...SiBE121135 RA Indoor Unit Operation Manual 177 FVXG25 35 50K2V1B Quick Reference...

Page 190: ...Read Before Operation Names of Parts 179 182 185 Operation AUTO DRY COOL HEAT FAN Operation 188 188 188 Adjusting the Airflow Direction 190 192 194 COMFORT AIRFLOW and INTELLIGENT EYE Operation 196 2...

Page 191: ...SiBE121135 RA Indoor Unit Operation Manual 179 2 2 2 Names of Parts FTXS20 25 35 42 50J2V1B 17 15 14 16 13 1 3 4 5 7 9 11 10 8 12 6 2 Names of Parts Indoor Unit...

Page 192: ...louvers are inside of the air outlet 12 Model name plate 13 Indoor unit ON OFF switch Push this switch once to start operation Push once again to stop it The operation mode refers to the following ta...

Page 193: ...Press once again to stop it 6 TEMPERATURE adjustment buttons It changes the temperature setting 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET button OUTDOOR UNIT...

Page 194: ...RA Indoor Unit SiBE121135 182 Operation Manual FTXS60 71GV1B Names of Parts Indoor Unit 17 16 13 15 14 1 3 4 5 9 11 10 8 2 6 12 7...

Page 195: ...8 Display 9 Air outlet 10 Flaps horizontal blades 11 Louvers vertical blades The louvers are inside of the air outlet 12 Model name plate 13 Indoor unit ON OFF switch Push this switch once to start o...

Page 196: ...peration Press once again to stop it 6 TEMPERATURE adjustment buttons It changes the temperature setting 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET button OUTD...

Page 197: ...This setting is recommended The unit is shipped from the factory with this setting This setting blows air from upper outlet only This setting automatically decides a blow pattern depending on mode and...

Page 198: ...7 Air filter 8 Horizontal blade flap 9 Operation lamp green 10 TIMER lamp yellow 11 Indoor Unit ON OFF switch Push this switch once to start operation Push once again to stop it The operation mode ref...

Page 199: ...ton Press this button once to start operation Press once again to stop it 6 TEMPERATURE adjustment buttons It changes the temperature setting 7 MODE selector button It selects the operation mode AUTO...

Page 200: ...ture setting is not variable The air conditioner operates with the operation mode of your choice From the next time on the air conditioner will operate with the same operation mode Each pressing of th...

Page 201: ...rculating hot air around all parts of the room After the start of heating operation it takes some time before the room gets warmer In heating operation frost may occur on the outdoor unit and lower th...

Page 202: ...The 3 D airflow direction Upper Lower Right Left 3 D Right and left airflow direction To start auto swing is displayed on the LCD The louvers vertical blades will begin to swing The following illustra...

Page 203: ...e a remote controller to adjust the angles of the flaps and louvers If you attempt to move the flaps and louvers forcibly with hand when they are swinging the mechanism may be broken Always use a remo...

Page 204: ...ctive airflow directions Upper and lower airflow direction Right and left airflow direction The 3 D airflow direction Upper Lower Right Left 3 D is displayed on the LCD The flaps horizontal blades wil...

Page 205: ...n In the 3 D airflow the flaps and louvers move in turn or disappears from the LCD Always use a remote controller to adjust the angles of the flaps and louvers If you attempt to move it forcibly with...

Page 206: ...SWING button once more The flap will stop moving disappears from the LCD To adjust the vertical blades louvers Hold the knob and move the louver You will find a knob on the left side and the right sid...

Page 207: ...ple air is blown upper air outlet room temperature is equalized Air is blown from the upper and lower air outlets for high speed cooling during COOL mode and for filling the room with warm air during...

Page 208: ...OL operation and in the downward direction while in HEAT operation which will provide a comfortable wind that will not come in direct contact with people INTELLIGENT EYE is the infrared sensor which d...

Page 209: ...as above will stop movement of them The INTELLIGENT EYE lamp lights up The lamp will be lit while human movements are detected INTELLIGENT EYE COMFORT AIRFLOW Press and select blank on the LCD COMFOR...

Page 210: ...ople in the areas This may occur depending on the clothes the people are wearing if there are no movements of the people in the areas The airflow direction from the louvers will be leftward if there a...

Page 211: ...on during which the sensors of the INTELLIGENT EYE are working to detect the movement of people When the sensors detect people the louvers will direct the airflow in such way that it will not be blown...

Page 212: ...the human movement If nobody in the room for more than 20 minutes the operation automatically changes to energy saving operation Normal operation The air conditioner is in normal operation while the s...

Page 213: ...ons the air conditioner will be in COMFORT AIRFLOW operation combined with INTELLIGENT EYE operation When the flaps horizontal blades are swinging the operating as above will stop movement of them The...

Page 214: ...application range Sensor detection sensitivity changes according to indoor unit location the speed of passersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curta...

Page 215: ...ot available POWERFUL operation cannot be used together with ECONO COMFORT AIRFLOW or OUTDOOR UNIT QUIET operation Priority is given to the function of whichever button is pressed last POWERFUL operat...

Page 216: ...system the OUTDOOR UNIT QUIET operation will work only when this function is set on all operated indoor units This function is available in COOL HEAT and AUTO operation This is not available in FAN a...

Page 217: ...ent and power consumption Normal operation Maximum during normal operation Maximum during ECONO operation ECONO operation From start up until set temperature is reached The maximum running current and...

Page 218: ...rrect If not set the clock to the present time Press until the time setting reaches the point you like Each pressing of either button increases or decreases the time setting by 10 minutes Holding down...

Page 219: ...TIMER and OFF TIMER A sample setting for combining the 2 timers is shown below NOTE In the following cases set the timer again Example Present time 23 00 The unit operating OFF TIMER at 0 00 ON TIMER...

Page 220: ...ach day of the week It is convenient if the WEEKLY TIMER is set according to the family s life style Tuesday to Friday Use the copy mode to make settings for Tuesday to Friday because these settings a...

Page 221: ...25 C 27 C Program 1 Program 2 Program 3 Program 4 ON OFF ON OFF Monday blank ON TIMER OFF TIMER Make sure the day of the week and time are set If not set the day of the week and time The day of the w...

Page 222: ...Cooling The unit operates at 18 C even if it is set at 10 to 17 C Heating The unit operates at 30 C even if it is set at 31 to 32 C The set temperature is only displayed when the mode setting is on Th...

Page 223: ...ime The ON OFF TIMER operation has priority if it is set while WEEKLY TIMER is still active The WEEKLY TIMER will go into standby state and will disappear from the LCD When ON OFF TIMER is up the WEEK...

Page 224: ...m 4 ON OFF ON OFF Monday Program 1 Program 2 Program 3 Program 4 ON OFF ON OFF COPY A reservation made once can be copied another day of the week The whole reservation of the selected day of the week...

Page 225: ...n of the selected day of the week will be copied To continue copying the settings to other days of the week repeat step 4 and step 5 is displayed on the LCD and WEEKLY TIMER operation is activated The...

Page 226: ...ration press the again Setting Displays Normal Confirmation The day of the week and the reservation number of current day will be displayed Press to select the day of the week and the reservation numb...

Page 227: ...reservation will be deleted This function can be used for deleting reservations for each day of the week It can be used while confirming or setting reservations Select the day of the week to be cancel...

Page 228: ...time hours to prevent annoyance to neighbors The NIGHT QUIET mode is activated when the temperature drops 5 C or more below the highest temperature recorded that day Therefore when the temperature dif...

Page 229: ...n is used 3 Priority when using OUTDOOR UNIT QUIET operation COOL HEAT mode lock Available only for heat pump models The COOL HEAT mode lock requires initial programming during installation Please con...

Page 230: ...pended Dual Type Duct Connected Type FLXS25 60BAVMB FDXS25 35E7VMB FDXS50 60C7VMB Read Before Operation Remote Controller 219 220 Operation AUTO DRY COOL HEAT FAN Operation 221 221 Adjusting the Airfl...

Page 231: ...es the temperature setting 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET but...

Page 232: ...nges the temperature setting 6 ON OFF button Press this button once to start operation Press once again to stop it 7 MODE selector button It selects the operation mode AUTO DRY COOL HEAT FAN 8 QUIET b...

Page 233: ...operation mode of your choice From the next time on the air conditioner will operate with the same operation mode Press to raise the temperature and press to lower the temperature To start operation T...

Page 234: ...ets warmer In heating operation frost may occur on the outdoor unit and lower the heating capacity In that case the system switches into defrosting operation to take away the frost During defrosting o...

Page 235: ...ow Direction You can adjust the air flow direction to increase your comfort To adjust the horizontal blade flap 1 Press SWING button is displayed on the LCD and the flaps will begin to swing 2 When th...

Page 236: ...lected you should set the flap at a near horizontal angle in COOL or DRY mode to obtain the best performance In COOL or DRY mode if the flap is fixed at a downward position the flap automatically move...

Page 237: ...ich were used before POWERFUL operation When using POWERFUL operation there are some functions which are not available is displayed on the LCD 2 Press POWERFUL button again disappears from the LCD Not...

Page 238: ...operation 1 Press QUIET button is displayed on the LCD 2 Press QUIET button again disappears from the LCD Note on OUTDOOR UNIT QUIET operation This function is available in COOL HEAT and AUTO modes Th...

Page 239: ...the unit To change the recorded information repeat steps 1 3 To start HOME LEAVE operation To cancel HOME LEAVE operation 2 Press HOME LEAVE button again The HOME LEAVE lamp goes off 1 Press HOME LEAV...

Page 240: ...om when going to bed The unit will maintain the temperature in the room at a comfortable level while you sleep When you enter the living room in the morning the temperature will be just right Disengag...

Page 241: ...hes the point you like Every pressing of either button increases or decreases the time setting by 10 minutes Holding down either button changes the setting rapidly 3 Press OFF TIMER button again The T...

Page 242: ...s 2 Press TIMER Setting button until the time setting reaches the point you like Every pressing of either button increases or decreases the time setting by 10 minutes Holding down either button change...

Page 243: ...situations are exceptions so please keep this in mind If the operation mode of the first room is FAN Mode then using Heating Mode in any room after this will give priority to heating In this situatio...

Page 244: ...er rooms Room A is the Priority Room in the examples When COOL mode is selected in Room A while operating the following modes in Room B C and D The unit enters Standby Mode Operation resumes when the...

Page 245: ...SiBE121135 SA Indoor Unit Operation Manual 233 3 SA Indoor Unit 3 1 BRC1D528 1 1 2 9 3 25 22 11 10 37 35 27 26 12 14 17 34 24 5 20 21 18 16 13 15 19 32 31 30 29 28 4 36 33 8 23 7 6...

Page 246: ...SA Indoor Unit SiBE121135 234 Operation Manual 2 Start 5s 5s 5s 5s 5s End...

Page 247: ...ice person to do this 1 Features and functions 1 2 Name and function of switches and icons 2 3 Setting up the controller 4 4 Description of the operation modes 5 5 Operation 5 6 Programming the schedu...

Page 248: ...VE HOME 6 BUTTON PERMISSION LEVEL 2 Name and function of switches and icons Refer to figure 1 1 ON OFF BUTTON Press the ON OFF button to start or stop the system 2 OPERATION LAMP The operation lamp li...

Page 249: ...re of the installation not shown in LIMIT operation or in FAN or DRY mode 19 SETTING Not used for service purposes only 20 AIR FLOW DIRECTION ICON This icon indicates the air flow direction only for i...

Page 250: ...active 30 SCHEDULE TIMER BUTTON This button enables or disables the schedule timer 31 TIME ADJUST BUTTON These buttons are used to adjust the clock or when in programming mode to adjust the programmed...

Page 251: ...ntroller can be implemented for a wide variety of installations and features it might occur that you select a function that is not available on your installation if this is the case the message will a...

Page 252: ...ON User adjustable parameters Setpoint temperature use the buttons Fan speed use the button Air flow direction adjust use the button Ventilation mode use the button Ventilation amount use the button 5...

Page 253: ...programmed action Refer to Manual operation on page 5 The next programmed action in the schedule timer will return control to the schedule timer Use the button to enable or disable the schedule timer...

Page 254: ...e room temperature within a specified range limit operation and are displayed The schedule timer will change the operation mode in LIMIT operation only To be able to verify the programmed actions you...

Page 255: ...suming that 5 actions were programmed for Tuesday a total of 5 presses will be required to display all programmed actions Continue pressing the button until the day of the week indicator displays the...

Page 256: ...ation Finally you must enter the time of the day when the action must be enabled If you program 2 or more actions on the same day and at the same time of the day only the action with the highest actio...

Page 257: ...ll schedule timer actions are idle Browse to Monday by pressing the button The icon appears will blink and one of the icons might be displayed but all other fields remain blank indicating that no acti...

Page 258: ...schedule timer action programmed for the current day are only valid for the selected day use the confirm last action and go to next day function by pressing the button for 5 seconds Program mode is qu...

Page 259: ...idelines below might help to solve your problem If you cannot remedy the problem consult your installer No readings on the remote controller display blank Check if the mains power is still applied to...

Page 260: ...ity Freeze up Protection Control FVXG Series Only 278 5 5 Thermistor or Related Abnormality RA Indoor Unit 280 5 6 Front Panel Open Close Fault FTXG Series Only 281 5 7 Signal Transmission Error betwe...

Page 261: ...or Related Abnormality Outdoor Unit 317 7 17 Electrical Box Temperature Rise 319 7 18 Radiation Fin Temperature Rise 321 7 19 Output Overcurrent Detection 323 8 Check 325 8 1 Thermistor Resistance Che...

Page 262: ...functions 2 When a signal transmission error occurs between the indoor and outdoor units In either case conduct the diagnostic procedure described in the following pages Wall Mounted Type FTXG Series...

Page 263: ...again if the operation lamp is normal If the lamp stops blinking after the above steps there is no malfunction Operation stops and operation lamp blinks only for indoor unit which different operation...

Page 264: ...n LED LED A and red LEDs on the outdoor unit PCB The LED A indicates microcomputer operation condition In normal condition the LED A is blinking and the other LEDs are OFF Even after the error is canc...

Page 265: ...nnot be used when the outdoor temperature is below 10 10 C depending on the model Diagnose with remote controller indication 267 Some indoor units do not operate Check the type of the indoor units Che...

Page 266: ...timer cancel button down for 5 seconds When the remote controller is left untouched for 60 seconds it also returns to the normal mode 3 Not all the error codes are displayed When you cannot find the...

Page 267: ...tton at the same time 5C is displayed on the LCD 2 Select 5C service check with the Temp or button 3 Press the Mode button to enter the service check mode The left side number blinks 4 Press the Temp...

Page 268: ...ks 7 Press the Temp or button and change the number until you hear the long beep 8 Diagnose by the sound beep The left side number does not correspond with the error code two consecutive beeps The lef...

Page 269: ...beeps indicate non corresponding codes 2 To return to the normal mode hold the timer cancel button down for 5 seconds When the remote controller is left untouched for 60 seconds it also returns to the...

Page 270: ...eep 3 Diagnose by the sound beep The left side number does not correspond with the error code two consecutive beeps The left side number corresponds with the error code but the right side number does...

Page 271: ...beep Both the left side and right side numbers correspond with the error code 7 Determine the error code The numbers indicated when you hear the long beep are the error code Error codes and descripti...

Page 272: ...tive beeps indicate non corresponding codes 2 To return to the normal mode hold the timer cancel button down for 5 seconds When the remote controller is left untouched for 60 seconds it also returns t...

Page 273: ...he long beep 3 Diagnose by the sound beep The left side number does not correspond with the error code two consecutive beeps The left side number corresponds with the error code but the right side num...

Page 274: ...beep Both the left side and right side numbers correspond with the error code 7 Determine the error code The numbers indicated when you hear the long beep are the error code Error codes and descripti...

Page 275: ...ION button for more than 4 seconds Field setting mode Service mode Normal mode Test operation mode Inspection mode Press the INSPECTION TEST OPERATION button once Press the INSPECTION TEST OPERATION b...

Page 276: ...etting status list Clock setting Language changeover Basic Screen Operation mode changeover Fan speed control Menu display Confirmation of each setting On Off Cancel Operation lamp Field Setting Menu...

Page 277: ...and malfunction contents Note 1 When you press the INSPECTION TEST OPERATION button the inspection display blinks 2 While in the inspection mode press the ON OFF button for 5 seconds or more to clear...

Page 278: ...splay Abnormal shutdown The system stops operating The operation lamp green starts to blink The message Error Press Menu Button appears and blinks at the bottom of the screen Warning The system contin...

Page 279: ...VXG series only 278 C4 Indoor heat exchanger thermistor or related abnormality 280 C7 Front panel open close fault FTXG series only 281 C9 Room temperature thermistor or related abnormality 280 CE Rad...

Page 280: ...k for the connections of the connector X12A on the panel PCB and the connectors X18A and X19A on the sensor PCBs AH 05 Dust collection sign error when the self cleaning decoration panel is mounted Che...

Page 281: ...it 301 UH Anti icing function in other rooms 301 j h h i i h U0 Refrigerant shortage 296 j i h h i h U2 Low voltage detection or over voltage detection 298 j h i i i h U7 Signal transmission error on...

Page 282: ...1 Indoor Unit PCB Abnormality Remote Controller Display A1 Method of Malfunction Detection The system checks if the circuit works properly within the microcomputer of the indoor unit Malfunction Deci...

Page 283: ...repeats Error repeats YES NO NO YES NO NO YES R15310 Caution To secure the connection once disconnect the connector and then reconnect it YES NO YES NO YES NO YES Match the compatible models Correct t...

Page 284: ...r Heating peak cut control During heating operation the temperature detected by the indoor heat exchanger thermistor is used for the heating peak cut control operation halt outdoor fan stop etc Malfun...

Page 285: ...s there any short circuit Is it very dirty Is it very dirty Check the air passage Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged NO NO NO Ch...

Page 286: ...ng fan motor operation is used to determine abnormal fan motor operation Malfunction Decision Conditions The detected rotation speed does not reach the demanded rotation speed of the target tap and is...

Page 287: ...rs or parts may be damaged Check No 02 Check the output of the fan motor connector R14970 NO YES YES NO YES NO Replace the indoor fan motor Replace the indoor unit PCB Replace the indoor unit PCB Repl...

Page 288: ...Resistance OK Turn the power on again Check No 03 Check the motor control voltage Is the motor control voltage 15 VDC generated Check No 03 Check the indoor unit PCB for rotation pulse Is the rotation...

Page 289: ...oor unit PCB Troubleshooting Check No 04 Refer to P 327 NO NO NO NO NO NO YES YES YES YES YES YES R16009 Caution Replace the fan motor or the indoor unit PCB Replace the fan motor Replace the indoor u...

Page 290: ...expansion valve is open due to malfunction and heating or RADIANT operation is conducted in the other room s the refrigerant flows into the radiant panel and the radiant panel temperature rises Freeze...

Page 291: ...o the thermistor characteristic chart Is there any short circuit YES Clean the indoor heat exchanger Is it very dirty YES Clean the air filter Is it very dirty NO Completed Error repeats Be sure to tu...

Page 292: ...uring compressor operation Supposed Causes Disconnection of connector Defective thermistor Defective indoor unit PCB Troubleshooting Check No 01 Refer to P 325 C4 Indoor heat exchanger thermistor C9 R...

Page 293: ...Remove the front panel 3 Turn on the power Wait until the initialization finishes 4 Operate the unit by the indoor unit ON OFF button YES YES YES YES NO NO NO NO Replace the harness and reduction mot...

Page 294: ...oor unit PCB Disturbed power supply waveform Troubleshooting Check No 11 Refer to P 328 Check the voltage of the indoor unit outdoor unit connection wires between No 1 and No 3 and between No 2 and No...

Page 295: ...models interconnected Wrong wiring of connecting wires Wrong indoor unit PCB or outdoor unit PCB mounted Defective indoor unit PCB Defective outdoor unit PCB Troubleshooting R11707 Caution NO YES YES...

Page 296: ...Only Memory A memory chip that holds its content without power It can be erased either within the computer or externally and usually requires more voltage for erasure than the common 5 volts used in...

Page 297: ...Method of Malfunction Detection The float switch detects error Malfunction Decision Conditions When the water level reaches its upper limit and when the float switch turns OFF Supposed Causes Defectiv...

Page 298: ...hort circuit connector NO Connect the short circuit connector NO YES YES Replace the indoor unit PCB YES NO YES Is the drain pump connected to the indoor unit PCB Is the unit a ceiling suspended type...

Page 299: ...output voltage to the fan is at its maximum Supposed Causes Defective indoor fan motor Broken or disconnected wire Defective contact Defective indoor unit PCB Troubleshooting FCQC FFQ FDBQ FBQ Series...

Page 300: ...Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Replace the indoor unit PCB NO R12862 About 12 VDC YES Connect them correctly YES NO Check t...

Page 301: ...ting or disconnecting connectors or parts may be damaged Connect the connectors correctly Replace the indoor unit PCB Replace the swing motor R17251 NO Replace the indoor unit PCB YES YES NO Connect t...

Page 302: ...in up height and the horizontal pipe length exceed the specifications Clogged water drain system clogged drain pump or faulty float switch Replace the indoor unit PCB Check if the drain up height and...

Page 303: ...rmistors should be checked prior to changing the indoor unit PCB To check the thermistors proceed as follows C4 Indoor heat exchanger thermistor R2T R3T C9 Room temperature thermistor R1T Check No 01...

Page 304: ...ns When the remote controller thermistor becomes disconnected or shorted while the unit is running Supposed Causes Defective thermistor Broken wire Troubleshooting Note To delete the record of error c...

Page 305: ...noise Troubleshooting Normal Normal There is possibility of malfunction caused by noise Check the surrounding area and turn on again Set one remote controller to SUB turn the power supply off once and...

Page 306: ...period Supposed Causes Remote controller is set to SUB when using 1 remote controller Connection of 2 sub remote controllers when using 2 remote controllers Defective remote controller PCB Troublesho...

Page 307: ...Check again YES YES NO NO Connect the remote controller correctly YES NO NO YES Remove the jumper NO YES Set the field setting correctly YES NO NO NO YES YES R17253 Is the remote controller connected...

Page 308: ...ion Conditions Refrigerant shortage detection I The following conditions continue for 7 minutes DC current A Compressor output frequency B Output frequency C Refrigerant shortage detection II The foll...

Page 309: ...Check No 12 Outdoor electronic expansion valve functioning Replace the thermistor s in position Open the stop valve Repair the pipe flare or replace the union Check the harness for loosening Correct i...

Page 310: ...s no zero cross detection in approximately 10 seconds Outdoor Unit Low voltage detection The voltage detected by the DC voltage detection circuit is below 150 V for 0 1 second If the error repeats the...

Page 311: ...ectors or parts may be damaged NO NO YES NO YES YES Reconnect the harness Check the power supply voltage Check the connection of the compressor harness Disturbance factors Noise Power supply distortio...

Page 312: ...lity is determined when the data sent from the PM1 can not be received for 9 seconds The error counter is reset when the data from the PM1 can be successfully received Supposed Causes Defective outdoo...

Page 313: ...ernal voltages Mismatching of indoor and outdoor units Supposed Causes Anti icing function in other rooms Wrong models interconnected Wrong indoor unit PCB or outdoor unit PCB mounted Troubleshooting...

Page 314: ...hermistor that are located in a shut down room Malfunction Decision Conditions In cooling operation the both conditions A and B are met for 5 minutes A Room temperature Indoor heat exchanger temperatu...

Page 315: ...e or coil Replace the outdoor heat exchanger thermistor Replace the room temperature thermistor Replace the room temperature thermistor or indoor heat exchanger thermistor Do the vacuum drying Replace...

Page 316: ...icrocomputer is in abnormal running order Supposed Causes Defective outdoor unit PCB Noise Momentary fall of voltage Momentary power failure Troubleshooting R7183 Caution Be sure to turn off the power...

Page 317: ...ed in refrigerant Defective stop valve Troubleshooting Check No 01 Refer to P 325 Check No 12 Refer to P 329 Check No 13 Refer to P 330 Check No 14 Refer to P 330 R14438 Caution YES NG Discharge pipe...

Page 318: ...rness disconnected Troubleshooting Check No 15 Refer to P 331 Turn off the power Disconnect the harnesses U V and W R14439 Caution NO YES YES NO NO YES Check No 15 Check with the inverter checker Turn...

Page 319: ...r error Supposed Causes Disconnection of the fan motor Foreign matter stuck in the fan Defective fan motor Defective outdoor unit PCB Troubleshooting Check No 16 Refer to P 332 R15890 Caution YES YES...

Page 320: ...3 Check No 18 Refer to P 333 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged R15325 NO YES YES NO Check No 17 Check the installation...

Page 321: ...Defective outdoor electronic expansion valve or coil Refrigerant shortage Defective four way valve Water mixed in refrigerant Defective stop valve Defective outdoor unit PCB Troubleshooting Check No 0...

Page 322: ...outdoor heat exchanger thermistor Defective outdoor unit PCB Troubleshooting Check No 01 Refer to P 325 Check No 12 Refer to P 329 Check No 17 Refer to P 333 Check No 18 Refer to P 333 Check No 19 Re...

Page 323: ...Fault condition is identified by the compressor current which is detected right after the compressor startup If the error repeats the system is shut down Reset condition Continuous run for about 5 min...

Page 324: ...connect the reactor from the outdoor unit PCB and measure the resistance value between reactor terminals with tester Disconnect the compressor relay harness from the outdoor unit PCB and measure the r...

Page 325: ...ected by checking the compressor running condition through the position detection circuit Malfunction Decision Conditions If the error repeats the system is shut down Reset condition Continuous run fo...

Page 326: ...ed R15892 NO NO YES NO YES YES Check No 15 Check with the inverter checker Turn off the power Disconnect the harnesses U V and W Turn on the power Check the electrolytic capacitor voltage Electrical c...

Page 327: ...sor running frequency and CT detected input current Malfunction Decision Conditions The compressor running frequency is more than A Hz and input current is less than B A If the error repeats the syste...

Page 328: ...reconnect the harnesses Then turn on the power again and restart operation Replace the outdoor unit PCB Replace the outdoor unit PCB Replace the outdoor unit PCB Check the supply voltage Replace the c...

Page 329: ...with the power on J3 error is judged if the discharge pipe temperature is lower than the heat exchanger temperature The system is shut down if all the units are judged as the J8 error Supposed Causes...

Page 330: ...e the defective thermistor s Outdoor temperature thermistor Discharge pipe thermistor Outdoor heat exchanger thermistor Liquid pipe thermistor Gas pipe thermistor Indoor heat exchanger thermistor Cool...

Page 331: ...stor with the compressor off Malfunction Decision Conditions With the compressor off the radiation fin temperature is above A C The error is cleared when the temperature drops below B C To cool the el...

Page 332: ...irty OK NO YES Turn off the power and turn it on again Check No 17 Check the installation condition Check the radiation fin temperature Replace the outdoor unit PCB Replace the fan motor Correct the c...

Page 333: ...ons The radiation fin temperature with the compressor on is above A C The error is cleared when the temperature drops below B C If the error repeats the system is shut down Reset condition Continuous...

Page 334: ...o 17 Check the installation condition NO YES YES Above A C Radiation fin dirty Check No 19 Check the outdoor fan or related Error displayed again Has the PCB been replaced Check if applied properly on...

Page 335: ...itions A position signal error occurs while the compressor is running A speed error occurs while the compressor is running An output overcurrent signal is fed from the output overcurrent detection cir...

Page 336: ...t overcurrent may result from wrong internal wiring If the system is interrupted by an output overcurrent after the wires have been disconnected and reconnected for part replacement check the wiring a...

Page 337: ...he indoor heat exchanger thermistor is soldered on the PCB remove the thermistor and measure the resistance The data is for reference purpose only Thermistor temperature C Resistance k Room temperatur...

Page 338: ...en the pins 12 9 and between 9 6 Motor control voltage check 1 Check the connector for connection 2 Check the motor control voltage is generated between the pins 2 3 Rotation pulse check 1 Check the c...

Page 339: ...check the indoor electronic expansion valve coil EV 1 Check to see if the EV connector is correctly connected to the PCB 2 Turn the power off and on again and check to see if the EV generate latching...

Page 340: ...ure the power supply waveform between No 1 and No 2 on the terminal board and check the waveform disturbance Check to see if the power supply waveform is a sine wave Fig 1 Check to see if there is wav...

Page 341: ...ote that the latching sound varies depending on the valve type If the system keeps operating with a defective outdoor electronic expansion valve the following problem may occur Valveopening position P...

Page 342: ...Replace the four way valve coil Replace the four way valve Disconnect the four way valve coil from the connector and check the continuity S80 voltage at 220 240 VAC with compressor on Fig 1 Four way v...

Page 343: ...ltage of the built in smoothing electrolytic capacitor drops to 10 VDC or below before carrying out the service work Reference If the terminals of the compressor are not FASTON terminals difficult to...

Page 344: ...erwise the terminals may be burned due to loosening 8 10 Rotation Pulse Check on the Outdoor Unit PCB Check No 16 Outdoor fan motor Make sure that the voltage of 320 30 V is applied 1 Set operation of...

Page 345: ...rty Change the installation location or direction Change the installation location or direction Clean the outdoor heat exchanger Change the installation location or direction Check the outdoor tempera...

Page 346: ...rcuit With the circuit breaker still on measure the voltage according to the drawing of the model in question Be careful never to touch any live parts R15128 YES YES NO NO Check the outdoor unit fan s...

Page 347: ...re below to measure resistance between the terminals of the power module and the terminals of the compressor with a multi tester Evaluate the measurement results referring to the following table The i...

Page 348: ...4 1 5 Removal of Sound Blankets 356 1 6 Removal of Coils Thermistors 360 1 7 Removal of Distributor 363 1 8 Removal of Four Way Valve 364 1 9 Removal of Compressor 365 2 Outdoor Unit 80 90 Class 367 2...

Page 349: ...ive 1 1 Removal of Outer Panels Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Appearance features Take...

Page 350: ...Remove the screw of the shield plate 5 Slide the shield plate to the left to unfasten the hooks and remove the shield plate 6 Unfasten the upper 2 hooks Align the position of hole of the upper hook t...

Page 351: ...ass Removal Procedure 339 7 Lift the front panel up to unfasten the left side hooks The front panel has 3 hooks on the left 8 Unfasten the right side hook and remove the front panel Step Procedure Poi...

Page 352: ...the 4 screws of the discharge grille 10 11 Remove the 2 screws of the stop valve cover Slide the stop valve cover downward and remove it When reassembling make sure to fit the 5 hooks Step Procedure...

Page 353: ...connect the harnesses The illustrations are for 3 room models as representative 4 room models also have D port 1 Layout of the connecting wires The wires are fixed to the terminal board with screws El...

Page 354: ...t the mark of the electrical box cover 4 Lift the electrical box cover up and remove it 5 Detach the clamp and disconnect the connector for the fan motor S70 When reassembling insert the clamp into th...

Page 355: ...ansion valve coils S20 white room A S21 red room B S22 blue room C 4 room models also have S23 yellow for room D 8 Pull out the clamp When reassembling insert the clamp of the electronic expansion val...

Page 356: ...for the overload protector S40 10 The wire harness for the compressor is attached to the partition plate by the clamp 11 Pull out the clamp with pliers 12 Disconnect the relay connector of the compre...

Page 357: ...e thermistors S93 Liquid pipe thermistors When reassembling insert each clamp of the thermistor harnesses into the holes as below 14 Disconnect the connector for the four way valve coil S80 The coolin...

Page 358: ...the thermistor lead wire 2 Remove the electrical box 1 Remove the 2 screws of the earth wires 2 Remove the screws on the terminal board and disconnect all the connecting wires and power supply wire St...

Page 359: ...moval Procedure 347 3 Remove the 2 screws and remove the wiring fixture 4 Detach the outdoor temperature thermistor 5 Remove the screw on the right side of the electrical box Step Procedure Points R11...

Page 360: ...Outdoor Unit 40 75 Class SiBE121135 348 Removal Procedure 6 Remove the screw of the electrical box 7 Lift up and remove the electrical box Step Procedure Points R17259 R5536...

Page 361: ...turning off all power supplies before disassembling work Step Procedure Points 1 Remove the service monitor PCB 1 External appearance 2 Remove the screw of the terminal board and open it 3 Disconnect...

Page 362: ...for detail 2 Remove the main PCB AC1 AC2 for power supply S10 for transmission 1 Disconnect the connectors for the terminal board on the right side 2 Disconnect the 2 connectors for the reactor on th...

Page 363: ...left 5 Release the relay harness for the compressor from the hook 6 Lift up the main PCB and remove it In working be careful not to break the main PCB with the excessive force because the main PCB and...

Page 364: ...ve the 2 screws of the radiation fin When reassembling make sure to use the silicon grease Silicon grease Part No 1172698 8 Remove the 3 screws of the reactor Step Procedure Points S70 S40 S20 S21 S22...

Page 365: ...edure 353 3 Remove the terminal board 1 Disconnect all the wire harnesses from the back of the terminal board 2 Unfasten the hook of the electrical box and remove the terminal board Step Procedure Poi...

Page 366: ...move the 2 screws of the fan motor fixing plate Preparation Remove the outer panels and plates Remove the electrical box 2 Remove the fan motor fixing plate When reassembling fit the lower hooks Nut s...

Page 367: ...e the fan motor lead wire When reassembling put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan 5 Remove the 4 screws and remove the fan motor...

Page 368: ...all power supplies before disassembling work Step Procedure Points 1 Remove the right side panel Preparation Remove the outer panels and plates Remove the electrical box 1 Remove the 3 screws of the r...

Page 369: ...Procedure 357 4 Lift up and remove the right side panel 2 Remove the partition plate 1 Remove the 2 screws of the partition plate 2 Detach the clamp of the relay harness for the compressor Step Proced...

Page 370: ...ition plate 3 Remove the sound blankets Since the piping ports on the sound blanket are torn easily remove the blanket carefully The shape of the sound blankets differs depending on the model 1 Remove...

Page 371: ...tdoor Unit 40 75 Class Removal Procedure 359 3 Open the sound blanket outer and pull it out 4 Open the sound blanket inner and pull it out Step Procedure Points Sound blanket outer R5583 R5584 Sound b...

Page 372: ...off all power supplies before disassembling work Step Procedure Points 1 Remove the electronic expansion valve coils 1 Pull out the electronic expansion valve coils 2 Remove the four way valve coil Co...

Page 373: ...quid pipe thermistors 2 Pull out the gas pipe thermistors 3 Cut the clamp Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip The positions of the clamp and outdoor heat exc...

Page 374: ...pe thermistor When reassembling meet the edge of the thermistor and the fixture 5 Remove the assembly of thermistors Step Procedure Points R11185 Discharge pipe thermistor Clip Discharge pipe thermist...

Page 375: ...of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the c...

Page 376: ...the piping by non oxidation brazing 2 It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat Keep below 120 C For the sa...

Page 377: ...e sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the terminal cover 2 Disconnect the compressor lead wires 3 Detach t...

Page 378: ...th wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Disconnect the brazed part where is easy to disconnect and restore 2 Cut pipes on the mai...

Page 379: ...ter Panels Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points Appearance features 1 Remove the suction grille...

Page 380: ...2 Slide the suction grille downward to unfasten the 3 top hooks 3 Remove the suction grille 2 Remove the top panel 1 Remove the 4 screws on the back and the screw on the left side panel Step Procedure...

Page 381: ...ocedure 369 2 Remove the 2 screws on the front and the screw on the right side panel 3 Lift the top panel and remove it 3 Remove the right side panel 1 Remove the 5 screws Step Procedure Points R6374...

Page 382: ...Outdoor Unit 80 90 Class SiBE121135 370 Removal Procedure 2 Slide the right side panel downward to unfasten the 2 hooks on the back side Step Procedure Points R6377 Hook R14614 Hook R14615...

Page 383: ...Outdoor Unit 80 90 Class Removal Procedure 371 3 Remove the right side panel 4 Remove the front panel 2 This screw is M5 16 1 Remove the 2 screws Step Procedure Points R10441 R10629 Front Panel 2 Fro...

Page 384: ...Outdoor Unit 80 90 Class SiBE121135 372 Removal Procedure 2 Slide the front panel 2 downward to unfasten the hook 3 Remove the front panel 2 Step Procedure Points R10374 R6383 R10375...

Page 385: ...Remove the front panel 1 Remove the discharge grille and outdoor fan first to remove the front panel 1 1 Remove the 4 screws on the discharge grille 2 Pull the bottom of the discharge grille Step Pro...

Page 386: ...ownward to unfasten the 2 hooks at the top 4 Remove the discharge grille 5 Remove the nut and remove the outdoor fan Nut size M8 When reassembling align mark of the outdoor fan with D cut section of t...

Page 387: ...emoval Procedure 375 6 Remove the 2 screws on the partition plate 1 7 Remove the screw at the bottom left of the front panel 1 8 Remove the screw at the bottom of the left side Step Procedure Points R...

Page 388: ...e 9 Remove the screw at the bottom of the back side 10 The front panel 1 has a hook Lift the front panel 1 11 Remove the front panel 1 Be sure to detach the front panel 1 carefully so as not to deform...

Page 389: ...80 90 Class Removal Procedure 377 6 Remove the rear panel 1 Remove the screw on the partition plate 2 2 Slide the partition plate 2 to the left and remove it Step Procedure Points R11209 Rear panel P...

Page 390: ...l Procedure 3 Remove the 5 screws on the wire fixing plate upper 4 Remove the wire fixing plate upper 5 Remove the 3 screws on the wire fixing plate lower Step Procedure Points R11210 Wire fixing plat...

Page 391: ...xing plate lower 7 Pull out the holder of the outdoor temperature thermistor The holder is secured in the clearances of the outdoor heat exchanger fins 8 Release the thermistor wire from the groove St...

Page 392: ...21135 380 Removal Procedure 9 Remove the 3 screws on the rear panel 10 Remove the screw on the bottom frame 11 Remove the screw on the stop valve mounting plate Step Procedure Points R10390 R10391 R10...

Page 393: ...SiBE121135 Outdoor Unit 80 90 Class Removal Procedure 381 12 Lift the rear panel upward to unfasten the 2 hooks 13 Remove the rear panel Step Procedure Points Hook Hook R12918 R10394...

Page 394: ...r 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the 2 screws to detach the earth wires 2 Disconnect the connector for the fan motor S...

Page 395: ...tronic expansion valve coil S20 white room A S21 red room B S22 blue room C S23 yellow room D Pull out the clamp 5 room models also has S24 green for room E When reassembling insert each clamp into th...

Page 396: ...thermistors S90 Pull out the clamp When reassembling insert the clamp of the thermistor ASSY into the hole as below 9 The wire harness of the thermistor is hooked under the electrical box Unhook it an...

Page 397: ...10 Disconnect the connector for the overload protector S40 11 The wire harness for the compressor is attached to the partition plate 1 by the clamp 12 Pull out the clamp with pliers Step Procedure Po...

Page 398: ...ure 13 Disconnect the relay connector of the compressor 14 Remove the screw on the stop valve mounting plate 15 Remove the screw on the partition plate 1 Step Procedure Points R6469 R10395 Electrical...

Page 399: ...nit 80 90 Class Removal Procedure 387 16 Slide the electrical box leftward to unfasten the hook on the right side of the electrical box 17 Lift up the electrical box and remove it Step Procedure Point...

Page 400: ...s or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the main PCB 1 Remove the cover of the electrical box Release the 4 hooks The hooks are marked w...

Page 401: ...1 HR2 reactor AC1 AC2 terminal board power supply U V W compressor Refer to page 40 for detail 6 Remove the main PCB 2 Remove the reactor 1 Remove the screw 2 Remove the 3 screws and lift the reactor...

Page 402: ...monitor PCB 1 Disconnect the connectors S52 S102 from the service monitor PCB 2 Slightly lift the top hook to detach 3 Unfasten the bottom hook and remove the service monitor PCB Refer to page 40 for...

Page 403: ...21135 Outdoor Unit 80 90 Class Removal Procedure 391 4 Remove the terminal board 1 Remove the screw 2 Unfasten the hook 3 Remove the terminal board Step Procedure Points R10411 Terminal board R10412 R...

Page 404: ...p Procedure Points 1 2 Remove the 2 lower screws of the fan motor Remove the 2 upper screws Be sure to remove the lower screws first If the upper screws are removed first the fan motor may tilt or fal...

Page 405: ...tors Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work Step Procedure Points 1 Remove the electronic expansion valve coils 1 Pull...

Page 406: ...Outdoor Unit 80 90 Class SiBE121135 394 Removal Procedure 2 Remove the thermistors 1 Pull out the gas pipe thermistors Step Procedure Points Gas pipe thermistors R10416 R6448 Gas pipe thermistor...

Page 407: ...ocedure 395 2 Peel off the putty and pull out the liquid pipe thermistors 3 Pull out the outdoor heat exchanger thermistor Step Procedure Points Liquid pipe thermistors R10417 R6450 Liquid pipe thermi...

Page 408: ...Remove the clip from the outdoor heat exchanger thermistor Be careful not to lose the clip 5 Slightly open the sound blanket outer 6 Remove the sound blanket top upper Step Procedure Points R6452 Cli...

Page 409: ...80 90 Class Removal Procedure 397 7 Remove the discharge pipe thermistor 8 Remove the fixture 3 Remove the four way valve coil 1 Remove the screw Step Procedure Points R10420 Discharge pipe thermisto...

Page 410: ...Outdoor Unit 80 90 Class SiBE121135 398 Removal Procedure 2 Remove the four way valve coil Step Procedure Points R10432 Four way valve coil...

Page 411: ...s before disassembling work Step Procedure Points 1 Open the sound blanket outer 2 Remove the sound blanket top upper The sound blanket is fragile Carefully pass the blanket through the discharge pipe...

Page 412: ...sound blanket is fragile Carefully pass the blanket through the discharge pipe 6 Open the sound blanket inner and pass it through the part of the mufflers The sound blanket is fragile Be careful of th...

Page 413: ...SiBE121135 Outdoor Unit 80 90 Class Removal Procedure 401 7 Remove the sound blanket inner Step Procedure Points R10439...

Page 414: ...ter turning off all power supplies before disassembling work Step Procedure Points 1 Remove the terminal cover 2 Disconnect the compressor lead wires U red V yellow W blue 3 Remove the overload protec...

Page 415: ...4 Trial Operation 408 4 1 RA Indoor Unit FTXG FTXS CTXS FVXG FVXS FLXS FDXS Series 408 4 2 SA Indoor Unit FCQG FFQ FHQ FDBQ FBQ Series 410 5 Field Settings 412 5 1 Outdoor Unit 412 5 2 RA Indoor Unit...

Page 416: ...the unit Detail 1 Remove the valve caps from the liquid stop valve and the gas stop valve 2 Carry out forced cooling operation 3 After 5 to 10 minutes close the liquid stop valve with a hexagonal wre...

Page 417: ...peration mode switch SW2 on the outdoor unit is set to the cooling mode 4 The operation mode switch SW2 on the outdoor unit is set to the heating mode Start Press the forced operation ON OFF switch SW...

Page 418: ...onitor LED indicators start blinking Self correction complete The LED indicators 1 3 3 room model 1 4 4 room model or 1 5 5 room model blink one after another Self correction impossible The LED indica...

Page 419: ...ata on the microcomputer memory Those data can be checked by looking at the service monitor LED indicators when the wiring error checking is over during forced operation at the stop of the system The...

Page 420: ...peration mode The system then restarts operation with the previous operation mode when the circuit breaker is restored In cooling operation select the lowest programmable temperature in heating operat...

Page 421: ...minates in approx 30 minutes and switches into normal mode To quit a trial operation press the ON OFF button ARC433 Series 1 Press the ON OFF button to turn on the system 2 Press the center of the TEM...

Page 422: ...nnections been checked for refrigerant leakage Poor cooling Poor heating Stop Is the supply voltage conform to the specifications on the name plate Incorrect operation Are the cable sizes as specified...

Page 423: ...6 Test operation is displayed on the bottom of the basic screen 7 Push the ON OFF button within 10 seconds to start the test operation How to check airflow direction 8 Push the Menu Enter button to en...

Page 424: ...t Priority room setting is made POWERFUL signal from the priority room unit is received Note The operation mode of the priority room unit has precedence Cancellation of control The control function is...

Page 425: ...cooling only C Short circuit pins 3 and 5 of the connector S15 The following specifications apply to the connector housing and pins JST products Housing VHR 5N Pin SVH 21T 1 1 Note that forced operati...

Page 426: ...ings are complete reset the power 2 Install the removed jumper switch as described below This jumper switch is needed later to disable this setting 5 1 4 ECONO mode proof Setting Outline When installi...

Page 427: ...indoor units are installed in 1 room 1 of the 2 indoor units and the corresponding wireless remote controller can be set for different address Both the indoor unit PCB and the wireless remote controll...

Page 428: ...nd front grille 2 Remove the screw and remove the service cover 3 Turn on the DIP switch S2W 1 on the service PCB Keep the other switches as factory setting OFF FTXS J Series FTXS G Series ADDRESS JA...

Page 429: ...istor 6 Remove the shield plate 8 tabs 7 Cut the address setting jumper JA on the indoor unit PCB Floor Ceiling Suspended Dual Type Cut the jumper JA on PCB Duct Connected Type Cut the jumper JA on PC...

Page 430: ...1 2 Jumper on indoor unit PCB Function When connected factory set When cut JB Fan speed setting when compressor stops for thermostat OFF effective only at cooling operation Fan speed setting Remote c...

Page 431: ...3 If the indoor unit is under group control all settings for all the indoor units are set at the same time Use the codes 10 to 15 to apply this group control and proceed to the next step If you want t...

Page 432: ...21 22 and 23 have been selected push the button to highlight and buttons to select the INDOOR UNIT NO to be set This operation is unnecessary when setting by group 5 Highlight the second code No to be...

Page 433: ...city for high ceiling applications 2 7 m 2 7 3 0 m 3 0 3 5 m 1 Selection of airflow direction setting for when a blocking pad kit has been installed 4 way flow 3 way flow 2 way flow 3 Selection of air...

Page 434: ...ation below Gently pry off the upper part of the controller working from the two possible positions 2 Set the MAIN SUB changeover switch on the PCB to S Step Action Remote controller 1 Put on the powe...

Page 435: ...of the power transistor and the diode bridge Applying the paste should be implemented in accordance with the following instruction Note There is the possibility of failure with smoke in case of bad h...

Page 436: ...SiBE121135 424 Appendix Part 9 Appendix 1 Piping Diagrams 425 1 1 Outdoor Unit 425 1 2 Indoor Unit 430 2 Wiring Diagrams 437 2 1 Outdoor Unit 437 2 2 Indoor Unit 442...

Page 437: ...FLER MUFFLER ACCUMULATOR MUFFLER REFRIGERANT FLOW COOLING COMPRESSOR EVB EVC 3D052056C EVA 12 7CuT 7 9CuT 12 7CuT 9 5CuT 6 4CuT 6 4CuT 6 4CuT 6 4CuT 12 7CuT 12 7CuT 12 7CuT 12 7CuT ELECTRONIC EXPANSIO...

Page 438: ...9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 15 9CuT 9 5CuT 9 5CuT 15 9CuT 15 9CuT 9 5CuT 15 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 12 7CuT 12 7CuT 12 7CuT 12 7CuT 12 7C...

Page 439: ...6 4 CuT ROOM B 6 4 CuT ROOM C 6 4 CuT ROOM A 9 5 CuT ROOM B 9 5 CuT ROOM C 9 5 CuT FIELD PIPING FIELD PIPING LIQUID SIDE GAS SIDE 3D073394 REFRIGERANT FLOW HEADER OUTDOOR UNIT COOLING HEATING 12 7CuT...

Page 440: ...OPERATEDVALVE MOTOR OPERATEDVALVE EVC EVB EVA 3D058888 OUTDOOR UNIT 12 7CuT 9 5CuT 12 7CuT 6 4CuT 12 7CuT 12 7CuT 12 7CuT 12 7CuT 12 7CuT 12 7CuT 6 4CuT 12 7CuT 6 4CuT 6 4CuT 7 9CuT OUTDOOR TEMPERATU...

Page 441: ...TOR ROOM D 4 WAY VALVE LIQUID LINE STOP VALVE 3D051937E 12 7CuT HEATING 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 7 9CuT 15 9CuT MUFFLER 7 9CuT 7 9CuT 7 9CuT 7 9CuT 15 9CuT 15 9CuT 9 5CuT 15 9C...

Page 442: ...T 6 4CuT HEAT EXCHANGER CROSS FLOW FAN FIELD PIPING 6 4CuT M FAN MOTOR FIELD PIPING 12 7CuT 9 5CuT REFRIGERANT FLOW COOLING HEATING THERMISTOR ON HEAT EXCH 4D065856C INDOOR UNIT HEAT EXCHANGER 7 0CuT...

Page 443: ...IPING 12 7CuT THERMISTOR ON HEAT EXCH 4D058898F FIELD PIPING FIELD PIPING 12 7CuT 6 4CuT CROSS FLOW FAN FAN MOTOR 7 9CuT INDOOR UNIT 12 7CuT M HEAT EXCHANGER REFRIGERANT FLOW COOLING HEATING THERMISTO...

Page 444: ...CHANGER 6 4CuT 6 4CuT CROSS FLOW FAN FIELD PIPING M 6 4CuT FAN MOTOR FIELD PIPING 9 5CuT 12 7CuT REFRIGERANT FLOW COOLING HEATING THERMISTOR ON HEAT EXCH 4D071598 THERMISTOR ONHEATEXCH INDOOR UNIT MUF...

Page 445: ...FAN MOTOR REFRIGERANT FLOW COOLING HEATING 4D048722B INDOOR UNIT 9 5CuT 12 7CuT THERMISTOR ON HEAT EXCH FIELD PIPING 6 4CuT FIELD PIPING 12 7CuT INDOOR UNIT HEAT EXCHANGER SIROCCO FAN FAN MOTOR REFRI...

Page 446: ...ERANT FLOW COOLING HEATING FCQG35FVEB FCQG50FVEB FCQG60FVEB 6 35 9 52 12 7 M FAN LIQUID PIPE CONNECTION PORT A GAS PIPE CONNECTION PORT B HEAT EXCHANGER C 4D076993 Indoor heat exchanger Field piping C...

Page 447: ...ms Appendix 435 1 2 6 Ceiling Suspended Type FHQ35 50 60BWV1B Field piping C1220T O Indoor heat exchanger Field piping C1220T O Indoor unit MODEL 6 4 9 5 6 4 12 7 FHQ35BWV1B FHQ50 60BWV1B To Outdoor u...

Page 448: ...rant pipe connection port diameters Refrigerant flow Cooling Heating Heat exchanger Liquid pipe connection port Gas pipe connection port C 3TW31275 1 FBQ35C FBQ50C FBQ60C 9 52 12 70 12 70 6 35 6 35 6...

Page 449: ...AN MOTOR REACTOR OVERLOAD PROTECTOR POWER MODULE PRINTED CIRCUIT BOARD TERMINAL STRIP FIXED PLATE 3D057135 N L POWER SUPPLY ROOM D ROOM C ROOM A 3 3 3 3 2 2 2 2 1 1 1 1 FIELD WIRING indoor GRN SHEET M...

Page 450: ...CONNECTOR MRM10 MRM20 MRC W R1T R11T S2 S102 LED1 LED4 LEDA MAGNETIC RELAY THERMISTOR CONNECTOR PILOT LAMP L N SW1 SW2 SW3 SW4 SW5 LIVE NEUTRAL FORCED OPERATION ON OFF SW SW1 SELECT SW SW2 WIRING ERR...

Page 451: ...MOTOR FAN MOTOR REACTOR OVERLOAD PROTECTOR POWER MODULE PRINTED CIRCUIT BOARD REVERSING SOLENOID VALVE COIL TERMINAL STRIP FIXED PLATE 3D057134A indoor outdoor FIELD WIRING Y3E M V RED X4M RED WHT 1...

Page 452: ...RM10 MRM20 MRC W R1T R11T S2 S102 LED1 LED4 LEDA MAGNETIC RELAY THERMISTOR CONNECTOR PILOT LAMP L N SW1 SW2 SW3 SW4 SW5 LIVE NEUTRAL FORCED OPERATION ON OFF SW SW1 SELECT SW SW2 WIRING ERROR CHECK SW...

Page 453: ...ANGE RED RED GRN GREEN BLU BLUE BRN BROWN BLK BLACK GRY GREY FIELD WIRING PROTECTIVE EARTH SCREW TERMINAL STRIP TERMINAL RELAY CONNECTOR CONNECTOR CONNECTION L LIVE N NEUTRAL Z1C Z6C X1M X6M Y1E Y5E V...

Page 454: ...2 PCB 1 S26 S27 S27 S27 FIELD WIRING BLK 1 1 1 10 BLK GRN YLW BLK H1P LED1 H1P LED1 H1P LED1 FG2 BLK BLK 3 H2P LED2 H2P LED2 H2P LED2 FG1 BLK 2 BLK RECTIFIER H3 BLK H3P LED3 H3P LED3 H3P LED3 3 3 OUTD...

Page 455: ...PILOT LAMP MAGNETIC RELAY FAN MOTOR SWING MOTOR PRINTED CIRCUIT BOARD THERMISTOR CONNECTOR OPERATION SWITCH VARISTOR TERMINAL STRIP PROTECTIVE EARTH 3D058246F GRN YLW 1 FU1 F1U X1M PCB1 PCB3 S46 S49...

Page 456: ...MISTOR S1 S57 S1W S2W 4 X1M E3 Y1E Z1C CONNECTOR OPERATION SWITCH UPWARD AIR FLOW LIMIT SWITCH TERMINAL STRIP EARTH TERMINAL HEAT EX ELECTRONIC EXPANSION VALVE COIL FERRITE CORE 3D069838A M S1W M M S2...

Page 457: ...6 S37 X11A X21A S1W X1M PRINTED CIRCUIT BOARD THERMISTOR CONNECTOR OPERATION SWITCH SW7 TERMINAL STRIP 3D033909F PCB2 LED H1P LED H2P S1W LED H3P 2RTH1 R1T t 10 1 S1 1 BRN S26 2 PCB1 S32 R2T t 1 10 BR...

Page 458: ...NTROLLER SENSOR KIT OPTIONAL ACCESSORY 1 1 2 2 3 3 t t NOTE 3 NOTE 3 NOTE 3 t X2A NOTE 3 NOTE 3 WIRED REMOTE CONTROLLER OPTIONAL ACCESSORY NOTE 5 INPUT FROM OUTSIDE NOTE 9 CENTRAL REMOTE CONTROLLER NO...

Page 459: ...P M1S Q1M R1T R2T R3T S1L T1R V1TR X1M X2M RC TC PRINTED CIRCUIT BOARD CAPACITOR M1F FUSE F5A 250V LIGHT EMITTING DIODE SERVICE MONITOR GREEN MAGNETIC RELAY M1P MOTOR INDOOR FAN MOTOR DRAIN PUMP MOTOR...

Page 460: ...DRAIN PUMP 9 SYMBOLS SHOW AS FOLLOWS BLK BLACK RED RED BLU BLUEWHT WHITE PNK PINKYLW YELLOW GRY GRAY PRP PURPLE 10 SHOWS ONLY IN CASE OF PROTECTED PIPES USE H07RN F IN CASE OF NO PROTECTION 1 TERMINAL...

Page 461: ...R UNIT R1T SS1 WIRED REMOTE CONTROLLER THERMISTOR AIR SELECTOR SWITCH MAIN SUB SWITCH BOX INDOOR INDOOR UNIT A1P A2P A3P C1 C2 C3 F1U F3U HAP KPR K1R L1R M1F M1P PS Q1DI R2 R3 R4 R1T R2T R3T R5T SS1 S...

Page 462: ...staller or contractor to install those parts and accessories Use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage elec...

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