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Daikin Super Multi Plus E-Series FTXG25EV1BW, Service Manual


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SiBE18-821_C

Refrigerant Circuit

Refrigerant Circuit

67

Electronic 

e

xpansion v

alv

e

Doub

le pipe 

heat e

xchanger

Electronic 

e

xpansion v

alv

e

Filter

Heat e

xchanger

Ser

vice por

t

F

our w

a

y 

v

alv

e

High pressure 

sensor

Solenoid 

v

alv

e

Solenoid 

v

alv

e

Lo

w pressure 

sensor

Ser

vice por

t

Capillar

y 

tube

Capillar

y 

tube

Capillar

y 

tube

Stop v

alv

e (with ser

vice por

t on field piping side 

φ

7.9 mm flare connection)

Compressor

High pressure 

s

witch

Pressure 

regulating v

alv

e

Filter

Filter

Filter

Filter

Oil 

separator

C : 3D052712

(5)

(2)

(A)

(P)

(G)

(N)

(M)

(H)

(D)

(D)

(O)

(1)

(4)

(3)

(6)

(7)

(F)

(E)

(T)

S1NPL

S1PH

S1NPH

Accum

ulator

(8)

Summary of Contents for Super Multi Plus E-Series FTXG25EV1BW

Page 1: ...Service Manual E Series SiBE18 821_C Applied Models Super Multi Plus Heat Pump...

Page 2: ...35EV1BW S FTXS71FV1B FVXS35FV1B FFQ35B8V1B CTXG50EV1BW S FTXS60GV1B FVXS50FV1B FFQ50B8V1B FTXG25JV1BW S FTXS71GV1B FLXS25BAVMB FFQ60B8V1B FTXG35JV1BW S FLXS35BAVMB FCQ35C7VEB CTXG50JV1BW S FLXS50BAVMB...

Page 3: ...Connected Type 48 3 5 Ceiling Mounted Cassette Type 50 3 6 Ceiling Mounted Built in Type 54 3 7 Ceiling Suspended Type 59 4 Remote Controller 61 4 1 Wired Remote Controller 61 4 2 Wireless Remote Con...

Page 4: ...4 SC Control in Heating Operation 99 6 5 Heat Exchanger Isothermal Control in Heating Operation 99 7 Indoor Unit Control RA Models 100 7 1 Temperature Control 100 7 2 Operation Starting Control 101 7...

Page 5: ...S FVXS FLXS FDXS Series 334 2 2 SA Indoor Unit FFQ FCQ FDBQ FBQ FHQ Series 343 3 Error Codes and Description 350 4 Troubleshooting for RA Indoor Unit 352 4 1 Indoor Unit PCB Abnormality 352 4 2 Freeze...

Page 6: ...y 399 7 15 High Pressure Sensor Abnormality 400 7 16 Low Pressure Sensor Abnormality 401 7 17 Outdoor Unit PCB Abnormality 402 7 18 Radiation Fin Temperature Rise 403 7 19 Inverter Compressor Abnormal...

Page 7: ...rmistors 445 1 5 Removal of Electronic Expansion Valves Peripheral Equipments 446 1 6 Removal of Four Way Valve 450 1 7 Removal of Compressor 451 2 BP Unit 454 2 1 Removal of PCB Assembly 454 2 2 Remo...

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: ...electrical 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...

Page 10: ...eat 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 te...

Page 11: ...ent 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 o...

Page 12: ...e 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 C...

Page 13: ...SiBE18 821_C List of Functions 1 Part 1 List of Functions 1 Functions 2...

Page 14: ...Display 3 D Airflow Wiring Error Check Function COMFORT AIRFLOW Operation Automatic Test Operation Comfort Control Auto Fan Speed Memory Function Indoor Unit Quiet Operation Anti Corrosion Treatment...

Page 15: ...D 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 S...

Page 16: ...D 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 S...

Page 17: ...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 Spli...

Page 18: ...is 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...

Page 19: ...d 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 Flexibilit...

Page 20: ...gnosis Digital LED Display COMFORT AIRFLOW Operation Wiring Error Check Function Comfort Control Auto Fan Speed Anti Corrosion Treatment of Outdoor Heat Exchanger Indoor Unit Quiet Operation Flexibili...

Page 21: ...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 Quiet Operation F...

Page 22: ...SiBE18 821_C 10 Specifications Part 2 Specifications 1 Specifications 11 1 1 Outdoor Unit 11 1 2 BP Unit 12 1 3 Indoor Unit 13...

Page 23: ...ate H Cooling m min 106 Heating m min 102 105 105 Fan Type Propeller Motor Output W 70 70 Starting Current A 15 9 20 2 22 2 Dimensions H W D mm 1 345 900 320 Packaged Dimensions H W D mm 1 524 980 420...

Page 24: ...257 738 427 Machine Weight Mass kg 7 5 8 Gross Weight Gross Mass kg 11 12 Number of Wiring Connections 4 for Interunit Wiring Piping Connection Brazing Liquid mm Main 9 5 1 Branch 6 4 2 Main 9 5 1 Br...

Page 25: ...iquid 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 3D051101 3D051102 Model FTXG35EV1BW FTXG35EV1BS Cooling Heating Cooling Heating Rated Capacity 3 5...

Page 26: ...Connection Liquid mm 6 4 6 4 Gas mm 12 7 12 7 Drain mm 18 0 18 0 Drawing No 3D051105 3D051106 Model FTXG25JV1BW FTXG25JV1BS Cooling Heating Cooling Heating Rated Capacity 2 5 kW Class 2 5 kW Class Fro...

Page 27: ...n 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 3D066437A 3D066438A Model CTXG50JV1BW CTXG50JV1BS Cooling Heating Cooling Heating Rated Capacity 5 0 kW Class 5 0 kW Cl...

Page 28: ...Piping Connection Liquid mm 6 4 6 4 Gas mm 9 5 9 5 Drain mm 18 0 18 0 Drawing No 3D059722 3D059723 Model FTXS35G2V1B FTXS42G2V1B Cooling Heating Cooling Heating Rated Capacity 3 5 kW Class 4 2 kW Clas...

Page 29: ...Rated Capacity 6 0 kW Class 7 1 kW Class Front Panel Color White White Airflow Rates m min cfm H 16 2 572 17 4 614 17 4 614 19 7 696 M 13 6 480 15 1 533 14 6 516 16 9 597 L 11 4 403 12 7 448 11 6 410...

Page 30: ...vable Washable Mildew Proof Running Current Rated A 0 19 0 18 0 17 0 21 0 20 0 19 0 21 0 20 0 19 0 28 0 27 0 26 Power Consumption Rated W 40 40 40 45 45 45 45 45 45 60 60 60 Power Factor Rated 95 7 96...

Page 31: ...s kg 14 14 Gross Weight Gross Mass kg 18 18 Operation Sound H M L SL dBA 38 32 26 23 38 32 26 23 39 33 27 24 39 33 27 24 Sound Power dBA 54 54 55 55 Heat Insulation Both Liquid and Gas Pipes Both Liqu...

Page 32: ...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 3D059828 3D059829 Model FLXS50BAVMB FLXS60BAVMB Cooling Heating Cooling Heating...

Page 33: ...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 3D060029 3D060030 Model FDXS50CVMB FDXS60CVMB Cooling Heating Cooling Heating Rated Capacity 5 0 kW Class 6 0 kW Class Fron...

Page 34: ...ng 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 3D060405 3D060407 Model FFQ50B8V1B FFQ60B8V1B Cooling Heating Cooling Heating Rated Capacity 5...

Page 35: ...r H dBA 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 12 7 Flare Drain mm VP25...

Page 36: ...ing Connection 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 FBQ50C7VEB FBQ60C7VEB Cooling Heating Cooling Heating Rated Capacity 5 0 kW Class 6 0 kW Clas...

Page 37: ...32 Operation Sound H L dBA 37 32 38 33 Sound Power dBA 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...

Page 38: ...BP Unit 30 2 1 BPMKS967B2B B3B 30 3 Indoor Unit 31 3 1 Wall Mounted Type 31 3 2 Floor Standing Type 44 3 3 Floor Ceiling Suspended Dual Type 46 3 4 Duct Connected Type 48 3 5 Ceiling Mounted Cassette...

Page 39: ...12 X28A Connector for crankcase heater 13 X32A Connector for high pressure switch 14 X37A Connector for power supply for optional PCB 16 VDC 15 X51A Connector for capacity setting adaptor Refer to pag...

Page 40: ..._C 28 Printed Circuit Board Connector Wiring Diagram PCB Detail A1P Main PCB LE U X111A F6U X107A X106A X66A X37A X81A X5A X22A X21A X13A X11A X12A X18A X51A X17A X32A HAP X25A X26A X27A X28A LD F4U 2...

Page 41: ...inted Circuit Board Connector Wiring Diagram 29 A2P Service PCB A3P Noise Filter PCB A4P Cool Heat Selector PCB DS1 BS5 H1PH2PH3PH4P H5PH6PH7P H8P X205A BS4 BS3 BS2 BS1 2P210296 1 NA LA LB NB F1U E 2P...

Page 42: ...necting wire to room A 6 X4M Terminal for inter connecting wire to room B 7 X5M Terminal for inter connecting wire to room C 8 F1 F2 on X6M Terminal for transmission to outdoor unit or other BP units...

Page 43: ...nnector for reduction motor front panel mechanism 8 S51 Connector for front panel limit switch 9 H1B H2 H3 Connector for terminal board 10 FG Terminal for earth 11 JA Address setting jumper Refer to p...

Page 44: ...ard Connector Wiring Diagram PCB Detail PCB 1 Control PCB PCB 2 Signal Receiver PCB PCB 3 INTELLIGENT EYE Sensor PCB 2P165085 1 S1 S49 S41 S51 S46 FU H1B H2 FG V1 LED A S21 S32 S36 H3 JB JA JC 2P16508...

Page 45: ...and 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...

Page 46: ...Indoor Unit SiBE18 821_C 34 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 47: ...SiBE18 821_C Indoor Unit Printed Circuit Board Connector Wiring Diagram 35 A3P INTELLIGENT EYE Sensor PCB A2P Signal Receiver Display PCB S52 S51 S1W JA H2P H1P 3P254832 1 S36 3P255914 1...

Page 48: ...y PCB 7 S47 Connector for signal receiver PCB 8 H1 H2 H3 FG Connector for terminal board 9 JA Address setting jumper Refer to page 154 for detail JB Fan speed setting when compressor stops for thermos...

Page 49: ...SiBE18 821_C Indoor Unit Printed Circuit Board Connector Wiring Diagram 37 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 50: ...t SiBE18 821_C 38 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 S49 LED3 LED2 LED1 3EB8...

Page 51: ...8 S35 Connector for INTELLIGENT EYE sensor PCB 9 H1 H2 H3 FG Connector for terminal board 10 JA Address setting jumper Refer to page 154 for detail JB Fan speed setting when compressor stops for therm...

Page 52: ...etail PCB 1 Control PCB PCB 2 Signal Receiver PCB PCB 3 Buzzer PCB PCB 4 Display PCB PCB 5 INTELLIGENT EYE Sensor PCB V1 FU1 S6 S8 2P099167 1 JC JB JA LED A S21 S35 H1 S26 S28 S1 H2 H3 S32 FG SW1 S29...

Page 53: ...lay PCB 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 154 for detail JB Fan speed setting when compressor...

Page 54: ...Indoor Unit SiBE18 821_C 42 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 55: ..._C Indoor Unit Printed Circuit Board Connector Wiring Diagram 43 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...

Page 56: ...nnector for display PCB 8 S48 Connector 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 154 for detail JB F...

Page 57: ...agram 45 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 2P19144...

Page 58: ...wer supply PCB 8 JA Address setting jumper Refer to page 154 for detail JB Fan speed setting when compressor stops for thermostat OFF JC Power failure recovery function Refer to page 157 for detail 9...

Page 59: ...Control 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 2P0843...

Page 60: ...eat exchanger thermistor 6 H1 H2 H3 GND Connector for terminal board 7 JA Address setting jumper Refer to page 154 for detail JB Fan speed setting when compressor stops for thermostat OFF JC Power fai...

Page 61: ...Indoor Unit Printed Circuit Board Connector Wiring Diagram 49 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 2P08...

Page 62: ...anger thermistor 5 X19A Connector for 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 f...

Page 63: ...SiBE18 821_C Indoor Unit Printed Circuit Board Connector Wiring Diagram 51 PCB Detail A1P Control PCB X25A X18A X61A X36A X40A X17A X15A HAP X5A X35A X24A X60A X19A X11A X33A X10A X27A X20A 2P095006 8...

Page 64: ...X24A Connector for signal receiver PCB when the wireless remote controller is used 6 X25A Connector for drain pump motor 7 X27A Connector for terminal board for inter unit wiring 8 X30A Connector for...

Page 65: ...821_C Indoor Unit Printed Circuit Board Connector Wiring Diagram 53 PCB Detail A1P Control PCB A2P Sensor PCB X25A X30A X15A X18A X16A X36A X27A X20A HAP X24A SS1 X17A X35A X33A 2P233635 7 CN1 R1T 4P1...

Page 66: ...or heat exchanger thermistor 5 X18A Connector for liquid pipe thermistor 6 X19A Connector for room temperature thermistor 7 X21A Connector for fan motor 8 X25A Connector for drain pump motor 9 X27A Co...

Page 67: ...SiBE18 821_C Indoor Unit Printed Circuit Board Connector Wiring Diagram 55 PCB Detail A1P Control PCB X27A X25A X11A X33A X61A X15A X18A X19A X17A X21A X40A X5A X10A X35A X60A SS1 HAP 2P095008 8...

Page 68: ...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 zoning 13...

Page 69: ...SiBE18 821_C Indoor Unit Printed Circuit Board Connector Wiring Diagram 57 PCB Detail A1P Control PCB X17A X70A X85A SS1 X18A X15A X30A X16A HAP X33A X35A X27A X28A X25A 2P202878 3...

Page 70: ...nit SiBE18 821_C 58 Printed Circuit Board Connector Wiring Diagram A2P Fan PCB for FBQ35 50C7VEB A2P Fan PCB for FBQ60C7VEB F4U X10A X3A X8A F2U HAP X6A 2P207230 1 F3U X6A X10A X9A X1A X2A X3A HAP 2P2...

Page 71: ...indoor heat exchanger thermistor 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 u...

Page 72: ...t SiBE18 821_C 60 Printed Circuit Board Connector Wiring Diagram PCB Detail A1P Control PCB 2P095007 7 EC0606 A X19A X18A X40A X15A X14A X61A X33A X27A X20A X11A X17A X35A X60A X5A X10A HAP X24A X26A...

Page 73: ...ing Diagram 61 4 Remote Controller 4 1 Wired Remote Controller 4 1 1 BRC1D528 Connectors and Other Parts PCB Detail 1 P1 P2 Terminal for indoor unit 2 R1T Room temperature thermistor 3 SS1 MAIN SUB se...

Page 74: ...roller SiBE18 821_C 62 Printed Circuit Board Connector Wiring Diagram 4 1 2 BRC1E51A7 Connectors and Other Parts PCB Detail 1 P1 P2 Terminal for indoor unit 2 R1T Room temperature thermistor P2 R1T P1...

Page 75: ...A4P Display PCB 1 X1A Connector for display PCB 2 X2A Connector for control PCB 3 SS1 MAIN SUB setting switch 4 SS2 Address setting switch Refer to page 163 for detail 1 X1A Connector for signal rece...

Page 76: ...B A4P Display PCB BRC7E530W LED5 and LED6 do not function A4P Display PCB BRC7F532F LED5 and LED6 do not function A4P Display PCB BRC7EA63W LED5 and LED6 do not function 3P156326 2 X2A SS2 SS1 X1A LED...

Page 77: ...rcuit 66 1 1 Outdoor Unit 66 1 2 BP Unit 68 2 Functional Parts Layout 69 2 1 Outdoor Unit 69 3 Refrigerant Flow for Each Operation Mode 71 3 1 Cooling Operation 71 3 2 Heating Operation 72 3 3 Cooling...

Page 78: ...an error occurs this switch is activated at high pressure of 4 0 MPa or more to stop the compressor operation T Pressure regulating valve 1 Receiver to discharge pipe This valve opens at a pressure o...

Page 79: ...e High pressure sensor Solenoid valve Solenoid valve Low pressure sensor Service port Capillary tube Capillary tube Capillary tube Stop valve with service port on field piping side 7 9 mm flare connec...

Page 80: ...rmistor Liquid pipe While in heating operation used to carry out the indoor unit SC control 3 R1T Thermistor Room temperature Used to detect room air temperature and instructs the capacity supply to B...

Page 81: ...ng Marking blue Y3S Solenoid valve Connector pink High voltage S1PH High pressure switch R7T Thermistor liquid pipe 1 Y1S Four way valve Connector blue High voltage Y2S Solenoid valve lead wire Connec...

Page 82: ...exchanger gas pipe Marking white R1T Thermistor outdoor temperature Marking yellow R4T Thermistor outdoor heat exchanger Connector blue R5T Thermistor suction pipe 2 Marking green R7T Thermistor liqui...

Page 83: ...HERMISTOR DGC ELECTRONIC EXPANSION VALVE ROOM A ELECTRONIC EXPANSION VALVE ROOM B ELECTRONIC EXPANSION VALVE ROOM C ELECTRONIC EXPANSION VALVE BYPASS ELECTRONIC EXPANSION VALVE ROOM B ELECTRONIC EXPAN...

Page 84: ...NSION VALVE Y3E PRESSURE REGULATING VALVE LIQUID LINE STOP VALVE GAS LINE STOP VALVE BP UNIT ELECTRONIC EXPANSION VALVE BYPASS FILTER ELECTRONIC EXPANSION VALVE ROOM A GAS SIDE THERMISTOR DGB LIQUID S...

Page 85: ...EV H EV A EV B FILTER FILTER FILTER FILTER EV H EV A EV B FILTER FILTER BP UNIT ELECTRONIC EXPANSION VALVE BYPASS ELECTRONIC EXPANSION VALVE ROOM B ELECTRONIC EXPANSION VALVE ROOM A GAS SIDE THERMIST...

Page 86: ...VALVE ROOM B LIQUID SIDE THERMISTOR DLB LIQUID SIDE THERMISTOR DLA GAS SIDE THERMISTOR DGA GAS SIDE THERMISTOR DGB ELECTRONIC EXPANSION VALVE BYPASS ELECTRONIC EXPANSION VALVE ROOM A GAS SIDE THERMIST...

Page 87: ...ensation Prevention Control 93 5 Other Control 94 5 1 Demand Control 94 5 2 Heating Operation Prohibition Control 94 6 BP Unit Control 95 6 1 BP Unit Command Conversion 95 6 2 BP Unit Electronic Expan...

Page 88: ..._C 76 Function 8 Indoor Unit Control SA Models 119 8 1 Drain Pump Control 119 8 2 Thermostat Sensor in Remote Controller 121 8 3 Freeze Prevention Control 123 8 4 Hot Start Control In Heating Operatio...

Page 89: ...IN conditions are met Defrost IN conditions are met Operation mode change Malfunction Standby Indoor unit stop or thermostat OFF Indoor unit stop or thermostat OFF Restart standby Compressor stop Mal...

Page 90: ...ay valve Y1S OFF Main electronic expansion valve Y1E 480 pls Subcooling electronic expansion valve Y3E PI control Hot gas bypass valve Y2S OFF This valve turns on with low pressure protection control...

Page 91: ...target value TeS Te Low pressure equivalent saturation temperature C Te setting Set in Set up mode 2 TeS Target Te value Varies depending on Te setting operating frequency etc L M Normal factory setti...

Page 92: ...ing on the discharge pipe superheated degree of inverter compressor Subcooling Electronic Expansion Valve The PI control of electronic expansion valve Y3E is carried out to keep the evaporator outlet...

Page 93: ...5 or higher When outdoor temperature 12 C it runs in Step 1 or higher 850 rpm 715 rpm 580 rpm 445 rpm 360 rpm 285 rpm 400 rpm 250 rpm 0 rpm M1F 815 rpm 680 rpm 545 rpm 410 rpm 325 rpm 250 rpm 0 rpm 0...

Page 94: ...l Pc Pe 0 39 MPa is achieved Outdoor fan STEP 7 Ta 20 C OFF Ta 20 C STEP 4 1 step 15 sec when Pc 2 16 MPa 1 step 15 sec when Pc 1 77 MPa Four way valve Y1S Holds OFF OFF Main electronic expansion valv...

Page 95: ...s Outdoor unit actuator Oil return preparation operation Oil return operation Post oil return operation Compressor Take the current step as the upper limit 52 Hz Full load Low pressure constant contro...

Page 96: ...changing of the four way valve Outdoor unit actuator Oil return preparation operation Oil return operation Post oil return operation Compressor Upper limit control 140 Hz Full load 2 step increase fro...

Page 97: ...the compressor stops for 1 minute to reduce noise on changing of the four way valve Outdoor unit actuator Defrost preparation operation Defrost operation Post defrost operation Compressor Upper limit...

Page 98: ...tion 3 4 2 Pump down Residual Operation in Heating Operation Actuator Pump down residual operation Step 1 Step 2 Compressor 124 Hz Full load 52 Hz Full load Outdoor fan Fan control Fan control Four wa...

Page 99: ...rks Compressor OFF Outdoor fan Ta 30 C STEP 4 Ta 30 C OFF Four way valve Y1S Former condition remains Main electronic expansion valve Y1E 0 pls Subcooling electronic expansion valve Y3E 0 pls Hot gas...

Page 100: ...e switch is activated without high pressure standby thus outputting the error code E3 Upper limit frequency Max R12926 Upper limit frequency 3 step down from current compressor frequency Upper limit f...

Page 101: ...ensor detection value Low pressure standby When occurring 3 times within 30 min the error code E4 is output Ts Teg 8 deg Pe 0 06 MPa Pe 0 09 MPa or After 10 sec Pe 0 17 MPa Pe 0 17 MPa Pe 0 20 MPa Pe...

Page 102: ...ion control not limited Upper limit frequency 1 step down from current compressor frequency Discharge pipe temperature protection control Upper limit frequency 1 step up from current compressor freque...

Page 103: ...urrent step Without conditions R12931 Upper limit frequency 1 step down from current compressor frequency Upper limit frequency 1 step up from current compressor frequency When occurring 4 times withi...

Page 104: ...d based on the freeze prevention status signal sent from the BP unit indoor unit and the freeze prevention control prevents freezing of the indoor unit Recovery zone Lift the control Increase zone 1 s...

Page 105: ...ided based on the dew condensation prevention status signal sent from the BP unit indoor unit and the dew condensation prevention control prevents dew condensation of the indoor unit Recovery zone Lif...

Page 106: ...his mode additional setting of Continuous Demand Setting Demand 1 setting Other protection control functions have precedence over the above operation 5 2 Heating Operation Prohibition Control Heating...

Page 107: ...ency commands excludes during POWERFUL operation 2 Processing during POWERFUL operation 1 When POWERFUL command is received from indoor units one or more units 2 Thermostats are not OFF at the indoor...

Page 108: ...4 A B outdoor temp room temp Heating Operation Target opening 350 pls 6 2 2 Electronic Expansion Valve Flow Rate Restriction Purpose This function prevents the deviation from the electronic expansion...

Page 109: ...tronic expansion valve pulse to 0 4 Stops transmission of electronic expansion valve initialization signal when EVH bypass electronic expansion valve retightening is completed 6 2 4 Control Based on E...

Page 110: ...nit When SH is lower than target value Closes the valve of that room unit When the liquid pipe temperature is lower than the heat exchanger temperature the electronic expansion valve is opened more th...

Page 111: ...nsures appropriate refrigerant distribution when room units are operating in the heating mode It prevents abnormal increase of the high pressure and operation with gas shortage due to uneven refrigera...

Page 112: ...microcomputer The illustration is for wall mounted type as representative Temperature Control The temperature of the room is detected by the room temperature thermistor However there is difference bet...

Page 113: ...ted to rotate until the flap angle exceeds certain level 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 t...

Page 114: ...ovide a wide range of airflow that guarantees a comfortable air distribution Auto Swing The following table explains the auto swing process for cooling dry heating and fan Wall Mounted Type Floor Stan...

Page 115: ...irflow direction changes in the order shown in the following diagram 1 The vertical blades louvers move from the right to the left 2 The horizontal blades flaps move downward 3 The vertical blades lou...

Page 116: ...Wall Mounted Type E Series J Series G Series Floor Standing Type In automatic fan speed operation upper limit is at M tap in 30 minutes from the operation start Wall Mounted Type F Series Floor Ceilin...

Page 117: ...tons are inoperable in this mode Detail The microcomputer automatically sets the temperature and airflow rate The difference between the room thermistor temperature at start up and the target temperat...

Page 118: ...oint are as follows Tr means the room thermistor temperature 1 Heating Cooling switching point Tr Tt 3 0 C wall mounted type J series G series 60 71 class Tr Tt 2 5 C other models 2 Cooling Heating sw...

Page 119: ...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 120: ...Standing Type Floor Ceiling Suspended Dual Type Duct Connected Type Refer to Temperature Control on page 100 for detail OFF ON B A C 1 5 C 2 0 C 0 5 C Room thermistor temperature target temperature R...

Page 121: ...nserves electricity Cooling Wall Mounted Type E Series J Series G Series Floor Standing Type Wall Mounted Type F Series Floor Ceiling Suspended Dual Type Duct Connected Type Heating R10870 TIMER opera...

Page 122: ...r by pushing the ECONO button When this function is activated the maximum capacity decreases The remote controller can send the ECONO command when the unit is in cooling heating dry or automatic opera...

Page 123: ...ed 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 of the remote controller The LE...

Page 124: ...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 con...

Page 125: ...t 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 area A right...

Page 126: ...as the motion signal is ON 2 The motions for example in cooling When a microcomputer does not have a signal from the sensor in 20 minutes it judges that nobody is in the room and operates the unit in...

Page 127: ...oor unit Operating status can be monitored even in automatic operation in accordance with the mode of actual operation The lamp color changes according to the operation AUTO Red Blue DRY Green COOL Bl...

Page 128: ...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 color...

Page 129: ...multi system operation there are times when the unit does not activate with this button ex Wall mounted type G series 20 50 class 7 14 4 Titanium Apatite Photocatalytic Air Purifying Filter This filt...

Page 130: ...before the power failure Note It takes 3 minutes to restart the operation because the 3 minute standby function is activated 7 14 8 WEEKLY TIMER Operation Up to 4 timer settings can be saved for each...

Page 131: ...ermostat is ON 8 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 stop if...

Page 132: ...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 minutes...

Page 133: ...d the suction temperature has changed from 18 C to 30 C A F This example also assumes there are several other air conditioners and the suction temperature changes even when the thermostat sensor is of...

Page 134: ...erature Assuming the set temperature in the figure above is 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 th...

Page 135: ...h 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 total...

Page 136: ...etail TH2 Temperature C detected with the gas thermistor TC High pressure equivalent saturated temperature The fan is not OFF before initiating the hot start LL The fan is OFF before initiating the ho...

Page 137: ...Operation when Power is Turned On 128 1 3 Outdoor Unit PCB Layout 129 1 4 BP Unit 130 1 5 RA Indoor Unit F C TXG FTXS FVXS FLXS FDXS Series 132 1 6 SA Indoor Unit FFQ FCQ FDBQ FBQ FHQ Series 134 2 Fi...

Page 138: ...than 220 230 V circuit Are the screws of wiring not loose Is the electrical component box covered with an insulation cover completely Is pipe size proper The design pressure of this product is 4 0 MP...

Page 139: ...onal refrigerant charge has been finished correctly Recalculate the required amount of refrigerant from the piping length and add an adequate amount of refrigerant F3 Refrigerant overcharged Recalcula...

Page 140: ...p the RESET BS5 button on the outdoor unit PCB Operation becomes possible for about 2 minutes If you do not push the RESET button the unit cannot be run for up to 10 minutes to automatically set maste...

Page 141: ...the status at factory set Reactor A2P A4P A1P X2M X1M HAP Control box Mode Test Error Individual H1P BS1 BS2 BS3 BS4 BS5 DS1 H2P H3P H4P H5P H6P H7P Changeover between cooling and heating Master Slav...

Page 142: ...P unit Modify the DIP switch DS2 settings on the BP unit s PCB in the following way With the system set up power on both the outdoor unit and BP unit The compressor is in a non startup condition Examp...

Page 143: ...The above table is only for your reference The redundancy of addresses can be avoided when the DIP switch settings are individually specified With the DIP switch settings reprogrammed power on the out...

Page 144: ...de The system then restarts operation with the previous mode when the circuit breaker is restored In cooling mode select the lowest programmable temperature in heating mode select the highest programm...

Page 145: ...rminates 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 TE...

Page 146: ...r leakage Have the connections been checked for refrigerant leakage z Poor cooling z Poor heating z Stop Is the supply voltage conform to the specifications on the name plate Incorrect operation Are t...

Page 147: ...the Menu Enter button 10 Check that the airflow direction is actuated according to the setting and push the Menu Enter button How to deactivate test operation 11 Press and hold the Cancel button for 4...

Page 148: ...DS1 2 ON Not used Do not change the factory settings OFF Factory setting A B C A B C A4P A2P DS1 1 switch knob R9205 OUT IN ON OFF DS1 1 2 Cool heat selector connection procedure Cool heat selector C...

Page 149: ...etting Please Attach the Capacity Setting Adaptor corresponding to Capacity Class ex 112 140 160 in connector X51A See Below Capacity Setting Adaptor 1 2 3 Capacity Class 4 112 5 140 6 160 CAPACITY SE...

Page 150: ...RESET R12946 Setting mode 1 Monitor mode H1P Blinking MODE MODE Off H1P Setting mode 2 MODE On H1P Push the BS1 MODE button one time Normal Push and hold the BS1 MODE button for 5 seconds Push the BS...

Page 151: ...MODE BS1 button to set the system to Setting mode 1 Normally Setting mode 1 is set In case of other status push the MODE BS1 button one time and set to Setting mode 1 Check the system for each condit...

Page 152: ...vel when the low noise signal is input from outside 26 Night time low noise operation start setting Sets starting time of nighttime low noise operation Night time low noise setting is also required 27...

Page 153: ...y setting k h h h h k h Low k h h h h h k 9 Tc setting k h h k h h k High k h h h k h h Normal factory setting k h h h h k h Low k h h h h h k 10 Defrost changeover setting k h h k h k h Quick defrost...

Page 154: ...utdoor fan with 4 step or lower k h h h k h h 26 Night time low noise operation start setting k h k k h k h About 20 00 k h h h h h k About 22 00 factory setting k h h h h k h About 24 00 k h h h k h...

Page 155: ...k k h Error code table Refer to page 326 15 Contents of malfunction 1 cycle before l h h k k k k 16 Contents of malfunction 2 cycle before l h k h h h h 20 Contents of retry the latest l h k h k h h 2...

Page 156: ...which translates to 16 4 2 22 base 10 number In other words the address is 22 The number of terminal blocks for No 12 and 13 is expressed as an 8 digit binary number which is the combination of four...

Page 157: ...t the cooling heating operation mode In the case of wired remote controllers After the check operation CHANGEOVER UNDER CONTROL is flashing in all connected remote controllers Select an indoor unit to...

Page 158: ...er whether or not there is outdoor outdoor unit wiring Set outdoor unit PCB DS1 1 to OUT factory setting Set cool heat switching to IND individual for Setting mode 1 factory setting C H SELECT C H SEL...

Page 159: ...ghttime low noise operation Use the end time as a guide since it is estimated according to outdoor temperatures 4 If necessary while in Setting mode 2 set the setting condition for set item No 29 Sett...

Page 160: ...ng mode 2 select the set item No 30 Setting of Demand 1 level and then set the setting condition to targeted mode Image of operation Set item Condition Content Demand Mode 1 The compressor operates at...

Page 161: ...e 2 H1P on 1 In setting mode 1 push and hold the BS1 MODE button for more than 5 seconds Setting mode 2 is entered and H1P lights 2 Push the BS2 SET button several times and match the LED display with...

Page 162: ...z l z Mode 3 z z z z l l 26 Night time low noise start setting z z z PM 8 00 z z z z z l PM 10 00 Factory setting z z z z l z PM 0 00 z z z l z z 27 Night time low noise end setting z z AM 6 00 z z z...

Page 163: ...or additionally charging the refrigerant 4 In the stopped status set to ON the refrigerant additional charging operation A in H1P Turn on 5 The operation is automatically started The LED indicator H2P...

Page 164: ...item No 21 refrigerant recovery vacuuming mode to ON The respective expansion valve of indoor and outdoor units are fully opened TEST OPERATION and UNDER CENTRALIZED CONTROL are displayed on the remot...

Page 165: ...y trouble in the period of installation at site the system is provided with a test operation mode enabling check for incorrect wiring stop valve left in closed coming out or misplacing with suction pi...

Page 166: ...only model Set the DIP switch to C O 2 2 2 When 2 Units are Installed in 1 Room Outline When 2 indoor units are installed in 1 room 1 of the 2 pairs of indoor unit and wireless remote controller can...

Page 167: ...move the shield plate 8 tabs 7 Cut the address jumper JA on the indoor unit PCB 8 Cut the address jumper J4 in the remote controller Refer to Wireless remote controller G Series 20 50 Class F Series A...

Page 168: ...he jumper JA on PCB Wireless Remote Controller 1 Remove the cover and take it off 2 Cut the address setting jumper ADDRESS JA EXIST 1 CUT 2 R11732 1 2 3 CUT EXIST 1 2 ADDRESS JA JB JC R10276 ADDRESS J...

Page 169: ...mostat OFF effective only at cooling operation Fan speed setting Remote controller setting Fan speed setting 0 The fan stops JC Power failure recovery function Auto restart The unit does not resume op...

Page 170: ...No 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 wan...

Page 171: ...his operation is unnecessary when setting by group 5 Highlight the second code No to be changed using the buttons and use the buttons to select the desired second code No When setting by group all of...

Page 172: ...onds during normal mode to enter the field setting mode 2 Press the MODE button to select the desired mode No 3 Press the UP button to select the first code No 4 Press the DOWN button to select the se...

Page 173: ...tic pressure setting Airflow adjustment is OFF Completion of airflow adjustment Start of airflow adjustment 12 22 1 Forced ON OFF function Forced OFF ON OFF operation 2 Thermostat differential changeo...

Page 174: ...ossible positions 2 Set the MAIN SUB changeover switch on the PCB to S Step Action Remote controller 1 Put on the power for both remote controllers 2 Determine which one is the sub main remote control...

Page 175: ...emote controller you have to change the MAIN SUB setting on the signal receiver PCB Signal Receiver PCB Set the address setting switch SS2 on the signal receiver PCB according to the table below When...

Page 176: ...t the field setting mode and return to the normal display Multiple Settings A b When the indoor is controlled by outside controller central remote controller etc it sometimes does not respond to ON OF...

Page 177: ...n panel air discharge outlet as well as on the back of the wireless remote controller Note Set the unit No of the receiver and the wireless remote controller to be the same If the settings differ the...

Page 178: ...1 RMXS Series 168 3 RA Indoor Unit 169 3 1 FTXG J CTXG J Series ARC466A1 169 3 2 FTXS G FVXS Series ARC452A1 A3 192 3 3 FTXG E CTXG E FTXS F FLXS FDXS Series ARC433B41 B67 B69 B70 227 4 SA Indoor Unit...

Page 179: ...ver method of using it In order to meet this expectation of the users giving sufficient explanations taking enough time can be said to reduce about 80 of the requests for servicing However good the in...

Page 180: ...tandby mode for protection OPERATING NOISE At startup During startup in order to emit warm or cool air as quickly as possible the sound of refrigerant flowing will be heard for a short time 1 to 2 min...

Page 181: ...ed FAN White TIMER Orange INTELLIGENT EYE sensor It detects the movements of people and automatically switches between normal operation and energy saving operation Room temperature sensor It detects t...

Page 182: ...models Open the front panel Air filter Earth terminal It is inside of this cover Drain hose Air outlet Model name plate Panel support plate Titanium apatite photocatalytic air purifying filter Outdoor...

Page 183: ...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 6m Make sure...

Page 184: ...R button Page22 CLOCK button QUIET button Page19 COMFORT button Page15 OFF TIMER button Page21 It cancels the timer setting Page21 22 SELECT button Page21 22 23 MODE selector button Page11 It selects...

Page 185: ...ilable This air conditioner cools the room by blowing the hot air in the room outside so if the outside temperature is high the performance of the air conditioner drops Since this air conditioner heat...

Page 186: ...from outdoors increases the cooling heating effect Clogged air filters cause inefficient operation and waste energy Clean them once in about every 2 weeks The outdoor unit consumes some power to have...

Page 187: ...ove the louvers Adjusting the Airflow Direction and Rate Press when the flaps have reached the desired position You will find a knob on the left side and the right side blades When the unit is install...

Page 188: ...operation the airflow rate is set to a weak level In DRY mode the airflow rate setting is not variable Note on the angles of the flaps The flaps swinging range depends on the operation See the figure...

Page 189: ...not come in direct contact with people The flaps will return to the memory position from before COMFORT AIRFLOW operation disappears from the LCD The flaps position will change preventing air from bl...

Page 190: ...T EYE operation Press again INTELLIGENT EYE Operation INTELLIGENT EYE is the infrared sensor which detects the human movement If nobody in the room for more than 20 minutes the operation automatically...

Page 191: ...in the room for 20 minutes the energy saving operation will start This operation changes the temperature 2 C in HEAT 2 C in COOL 1 C in DRY operation from set temperature This operation decreases the...

Page 192: ...WERFUL 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 operation can only be...

Page 193: ...ght OUTDOOR UNIT QUIET Operation The noise level of the outdoor unit will be lower This is convenient when you need to consideration for your neighborhood This function is available in COOL HEAT and A...

Page 194: ...r illustrative purposes only The maximum running current and power consumption of the air conditioner in ECONO operation vary with the connecting outdoor unit In case the air conditioner and other app...

Page 195: ...t in the memory The memory is canceled when remote controller batteries are replaced When operating the unit via the ON OFF TIMER the actual length of operation may vary from the time entered by the u...

Page 196: ...setting for combining the 2 timers is shown below Example Present time 23 00 The unit operating OFF TIMER at 0 00 ON TIMER at 14 00 Combined NOTE In the following cases set the timer again 2 Press unt...

Page 197: ...N ON OFF OFF ON OFF OFF ON Program 1 Program 2 Program 3 Program 4 Up to 4 timer settings can be saved for each day of the week It is convenient if the WEEKLY TIMER is set according to the family s li...

Page 198: ...changes ON or OFF setting in sequence ON TIMER OFF TIMER blank 5 Press Pressing alternates the following items appearing on the LCD in rotational sequence In case the reservation has already been set...

Page 199: ...r lamp will not blink orange if all the reservation settings are deleted The time can be set between 0 00 and 23 50 in 10 minute intervals To return to the ON OFF TIMER mode setting press Go to step 9...

Page 200: ...copied to another day of the week The whole reservation of the selected day of the week will be copied 2 Press to confirm the day of the week to be copied 4 Press to select the destination day of the...

Page 201: ...ress while is displayed on the LCD If not all the reservation settings are reflected deactivate the WEEKLY TIMER operation once Then press again to reactivate the WEEKLY TIMER operation Confirming a r...

Page 202: ...be deleted All reservations Hold for 5 seconds while normal display 2 Press to select the day of the week and the reservation number to be deleted 1 Press to select the day of the week to be deleted B...

Page 203: ...exceptions so please keep this in mind If the operation mode of the first room is FAN operation then using HEAT operation in any room after this will give priority to HEAT operation In this situation...

Page 204: ...V1B FVXS25 50FV1B Read Before Operation Names of Parts 193 196 199 Operation AUTO DRY COOL HEAT FAN Operation 202 202 202 Adjusting the Airflow Direction 204 206 208 COMFORT AIRFLOW and INTELLIGENT EY...

Page 205: ...SiBE18 821_C RA Indoor Unit Operation Manual 193 3 2 2 Names of Parts FTXS20 25 35 42 50G2V1B Names of parts Indoor Unit 16 14 13 15 12 1 3 4 5 7 9 11 10 8 6 2...

Page 206: ...T EYE sensor 8 Display 9 Air outlet 10 Horizontal blades flaps 11 Vertical blades louvers The louvers are inside of the air outlet 12 Indoor Unit ON OFF switch Push this switch once to start operation...

Page 207: ...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 208: ...RA Indoor Unit SiBE18 821_C 196 Operation Manual FTXS60 71GV1B Names of Parts 17 16 13 15 14 1 3 4 5 9 11 10 8 2 6 12 7 Indoor Unit...

Page 209: ...the air temperature around the unit 7 INTELLIGENT EYE sensor 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...

Page 210: ...ce 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 QUIET op...

Page 211: ...from upper outlet only Opening the Front Panel This setting automatically decides a blow pattern depending on mode and conditions The unit is shipped from the factory with this setting Before opening...

Page 212: ...outlet 3 Display 4 Front panel 5 Vertical blades louvers The louvers are inside of the air outlet 6 Air inlet 7 Air filter 8 Horizontal blade flap 9 Operation lamp green 10 TIMER lamp yellow 11 Indoor...

Page 213: ...It cannot be used for the WEEKLY TIMER operation 16 CLOCK button 1 Signal transmitter It sends signals to the indoor unit 2 Display It displays the current settings In this illustration each section i...

Page 214: ...OOL or HEAT mode The temperature setting is not variable Set to the temperature you like 1 5 2 3 4 The air conditioner operates with the operation mode of your choice From the next time on the air con...

Page 215: ...tches into defrosting operation to take away the frost During defrosting operation hot air does not flow out of indoor unit A pinging sound may be heard during defrosting operation which however does...

Page 216: ...ease your comfort To adjust the horizontal blades flaps is displayed on the LCD and the flaps will begin to swing When the flaps have reached the desired position press SWING button once more To adjus...

Page 217: ...tion in the section of COMFORT AIRFLOW Operation and INTELLIGENT EYE Operation In DRY mode or COOL mode When SWING button is selected the flaps swinging range depends on the operation mode See the fig...

Page 218: ...direction The 3 D airflow direction Upper Lower Right Left 3 D is displayed on the LCD The flaps horizontal blades will begin to swing is displayed on the LCD The louvers vertical blades will begin to...

Page 219: ...on 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 220: ...ical blades louvers Hold the knob and move the louver You will find a knob on the left side and the right side blades Notes on flap and louvers angle H COOL DRY The flap will stop moving disappears fr...

Page 221: ...tlets for high speed cooling during COOL mode and for filling the room with warm air during HEAT mode So that air does not come into direct contact with people Air is blown upper air outlet During Dry...

Page 222: ...to energy saving mode Press COMFORT SENSOR button and select an operation mode Press COMFORT SENSOR button COMFORT AIRFLOW and INTELLIGENT EYE The flaps will adjust the airflow direction upward while...

Page 223: ...ts of the people in the areas The flap position will change preventing air from blowing directly on the occupants of the room POWERFUL operation and COMFORT AIRFLOW operation cannot be used at the sam...

Page 224: ...tes the air conditioner will go into energy saving mode with the set temperature shifted by 2 C The air conditioner may go into energy saving operation even if there are people in the areas This may o...

Page 225: ...o energy saving operation When somebody in the room Somebody back in the room Back to normal operation To combine COMFORT AIRFLOW and INTELLIGENT EYE operation The air conditioner can go into operatio...

Page 226: ...FORT AIRFLOW operation combined with INTELLIGENT EYE operation When the flaps horizontal blades are swinging the operating as above will stop movement of them The INTELLIGENT EYE lamp lights up The la...

Page 227: ...ccording to indoor unit location the speed of passersby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light reflected off of mirrors as passersby INTEL...

Page 228: ...used together with ECONO QUIET or COMFORT Operation Priority is given to the function of whichever button is pressed last POWERFUL Operation can only be set when the unit is running Pressing the oper...

Page 229: ...rt OUTDOOR UNIT QUIET operation To cancel OUTDOOR UNIT QUIET operation Note on OUTDOOR UNIT QUIET operation This function is available in COOL HEAT and AUTO modes This is not available in FAN and DRY...

Page 230: ...s reached This diagram is a representation for illustrative purposes only The maximum running current and power consumption of the air conditioner in ECONO mode vary with the connecting outdoor unit E...

Page 231: ...inutes Holding down either button changes the setting rapidly Press OFF TIMER button again Check that the clock is correct If not set the clock to the present time When TIMER is set the present time i...

Page 232: ...LECT 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 changes the setting rapid...

Page 233: ...ent if the WEEKLY TIMER is set according to the family s life style An example of WEEKLY TIMER settings is shown below Example The same timer settings are made for the week from Monday through Friday...

Page 234: ...ess the SELECT button to select the desired day of the week and reservation number Pressing the SELECT button changes the reservation number and the day of the week Pressing the SELECT button changes...

Page 235: ...another day of the week Refer to Copy mode Notes on WEEKLY TIMER operation Do not forget to set the clock on the remote control first The day of the week ON OFF TIMER mode time and set temperature onl...

Page 236: ...tton to confirm the day of the week to be copied Press COPY button to activate copy mode The whole reservation of the selected day of the week will be copied Press SELECT button to select the destinat...

Page 237: ...d The TIMER lamp lights up To deactivate WEEKLY TIMER operation Pressing the SELECT button displays the reservation details To change the confirmed reserved settings select the reservation number and...

Page 238: ...lable when selecting the same operation mode as that of the room with the first unit to be turned on Normally the operation mode in the room where the unit is first run is given priority but the follo...

Page 239: ...nnected Type FTXG25 35EV1BW S CTXG50EV1BW S FTXS60 71FV1B FLXS25 60BAVMB FDXS25 35EAVMB FDXS50 60CVMB Read Before Operation Remote Controller 228 229 230 231 Operation AUTO DRY COOL HEAT FAN Operation...

Page 240: ...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 button OUTDOOR UNIT QUIET opera...

Page 241: ...t changes 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 QU...

Page 242: ...erature 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 button OUTDOOR...

Page 243: ...anges 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...

Page 244: ...T mode The temperature setting is not variable Set to the temperature you like 2 3 4 5 1 Press to raise the temperature and press to lower the temperature The air conditioner operates with the operati...

Page 245: ...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 operation hot a...

Page 246: ...the desired position press SWING button once more The flap will stop moving disappears from the LCD To adjust the vertical blades louvers 3 Press SWING button is displayed on the LCD 4 When the louve...

Page 247: ...de See the figure Three Dimensional 3 D Airflow Using three dimensional airflow circulates cold air which tends to collected at the bottom of the room and hot air which tends to collect near the ceili...

Page 248: ...will stop moving disappears from the LCD The flap will stop moving disappears from the LCD 1 2 3 4 You can adjust the air flow direction to increase your comfort To adjust the horizontal blade flap is...

Page 249: ...lways use a remote controller to adjust the louvers angles In side the air outlet a fanis rotating at a high speed When SWING button is selected the flaps swinging range depends onthe operation mode S...

Page 250: ...an 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 the flaps have reach...

Page 251: ...elected 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 mov...

Page 252: ...Notes on POWERFUL operation POWERFUL Operation cannot be used together with QUIET or COMFORT Operation Priority is given to the function of whichever button is pressed last This does not include QUIE...

Page 253: ...on OUTDOOR UNIT QUIET operation If using a multi system this function will work only when the OUTDOOR UNIT QUIET operation is set on all operated indoor units This function is available in COOL HEAT a...

Page 254: ...e and air flow rate for HOME LEAVE operation When using HOME LEAVE operation for the first time please set the temperature and air flow rate for HOME LEAVE operation Record your preferred temperature...

Page 255: ...ngs please refer to the Before using HOME LEAVE operation section above HOME LEAVE operation is only available in COOL and HEAT mode Cannot be used in AUTO DRY and FAN mode HOME LEAVE operation runs i...

Page 256: ...NT EYE operation 1 Press SENSOR button is displayed on the LCD To cancel the INTELLIGENT EYE operation 2 Press SENSOR button again disappears from the LCD EX 1 2 Normal operation The INTELLIGENT EYE l...

Page 257: ...cation the speed of passerby temperature range etc The sensor also mistakenly detects pets sunlight fluttering curtains and light reflected off of mirrors as passerby INTELLIGENT EYE operation will no...

Page 258: ...the LCD 2 Press SENSOR button again EX 1 2 When somebody in the room Normal operation When nobody in the room Somebody back in the room Back to normal operation INTELLIGENT EYE is the infrared sensor...

Page 259: ...lfunction Change the temperature 2 C in heating 2 C in cooling 1 C in dry mode from set temperature Decrease the air flow rate slightly in fan operation In FAN mode only Vertical angle 90 Side View Ho...

Page 260: ...ncreases or decreases the time setting by 10 minutes Holding down either button changes the setting rapidly Check that the clock is correct If not set the clock to the present time When TIMER is set t...

Page 261: ...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 To cancel ON TIMER operation Example...

Page 262: ...aring OUTDOOR UNIT QUIET operation clear one of the operating indoor units using their remote controller However OUTDOOR UNIT QUIET operation display remains on the remote controller for other rooms W...

Page 263: ...oor Unit FFQ FCQ FDBQ FBQ FHQ Series Operation Manual 251 4 SA Indoor Unit FFQ FCQ FDBQ FBQ FHQ Series 4 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...

Page 264: ...SA Indoor Unit FFQ FCQ FDBQ FBQ FHQ Series SiBE18 821_C 252 Operation Manual 2 Start 5s 5s 5s 5s 5s End...

Page 265: ...ck or fire Never press the buttons of the remote controller with a hard pointed object The remote controller may be damaged Never inspect or service the remote controller yourself ask a qualified serv...

Page 266: ...ANGE BYPASS 5 VENTILATION ICON The ventilation icon appears when the ventilation is adjusted with the ventilation amount button HRV only Simultaneously the ventilation amount is indicated by the fan s...

Page 267: ...19 SETTING Not used for service purposes only 20 AIR FLOW DIRECTION ICON This icon indicates the air flow direction only for installations with motorised air flow aps 21 NOT AVAILABLE is displayed whe...

Page 268: ...ion the user can set the clock and day of the week The controller is equipped with a schedule timer that enables the user to operate the installation automatically setting the clock and day of the wee...

Page 269: ...on the indoor fan is stopped until a certain indoor heat exchanger temperature is reached and is displayed This prevents cold air from leaving the indoor unit Defrost heat pump types only In heating o...

Page 270: ...n mode use the button Ventilation amount use the button User adjustable parameters Air flow direction adjust use the button Ventilation mode use the button Ventilation amount use the button User adjus...

Page 271: ...on in the schedule timer will return control to the schedule timer Use the button to enable or disable the schedule timer The schedule timer overrules the button only use the button to enable or disab...

Page 272: ...programmed action will be executed If enabled the schedule timer will execute the programmed actions It will order the installation to The schedule timer will change the operation mode in LIMIT operat...

Page 273: ...will appear Assuming 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 indicato...

Page 274: ...e installation at a scheduled time in limit operation 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 o...

Page 275: ...mode In this particular case no actions have been programmed before all schedule timer actions are idle Browse to Monday by pressing the button The icon appears will blink and one of the icons might b...

Page 276: ...pressing the and buttons simultaneously for 5 seconds The 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 funct...

Page 277: ...clear tapid water to moisten the cloth Operation manual The guidelines below might help to solve your problem If you cannot remedy the problem consult your installer No readings on the remote control...

Page 278: ...asic operation items i e On Off Operation mode selector Fan speed control and temperature settings are set from the menu screen Do not install the remote controller in places exposed to direct sunligh...

Page 279: ...ht is lit If two remote controllers are used to control a single indoor unit the backlight of the remote controller operated earlier than the other one will be lit This lamp lights up during operation...

Page 280: ...the detailed display select the detailed display in the main menu See page 46 The displayed contents of the screen vary with the operation mode of the equipment interlocked The following display will...

Page 281: ...temperature set for the air conditioner Displayed when the key lock is set Displayed if the schedule timer or OFF reminder timer is enabled Displayed if the system is under the management of central c...

Page 282: ...swing are set see page 28 This item is not displayed if the system is not provided with a function to set airflow directions Displayed if the clock is set see page 48 If the clock is not set will be...

Page 283: ...For mechanical protection purposes turn ON the system at least six hours before starting the operation of the system Do not turn OFF the system in season in order to ensure the smooth starting of the...

Page 284: ...settings from the main menu see page 28 No temperature settings are possible while in fan mode Two fan speed adjustment levels Low High may be available depending on the type of indoor unit The system...

Page 285: ...least five minutes so that the drain discharging device will finish discharging the residual drain Otherwise water leakage or failures may result The system in heating operation generally requires a...

Page 286: ...e the heating appliance is exposed to the wind from the system The system is of hot air circulation type Therefore it takes some time for the room to become warm after the system starts operating The...

Page 287: ...ess the system is provided with a function to allow airflow direction changes The Operation lamp will be turned OFF and the system will stop operating when On Off button is pressed again Press On Off...

Page 288: ...fan speed control Therefore temperature or fan speed settings cannot be made or changed while the air conditioner is in operation Home Leave is a feature that enables to keep the room temperature abo...

Page 289: ...mooth starting of the system Set the Operation mode selector button to Ventilation in the case of operating the total heat exchanger without the system between seasons To change the ventilation mode s...

Page 290: ...selection eligibility If a cooling heating selection eligibility is set in the cooling heating selection remote controller all the remote controllers will display Changeover under control In this cas...

Page 291: ...right will follow suit and change the display automatically The Cool Heat Auto can be set for only the remote controller for which the cooling heating selection eligibility is set The display Auto wil...

Page 292: ...oller in the following case BS unit The BS unit is used for cooling or heating mode selection A single BS unit is connected to a number of indoor units Set the cooling heating auto fan selection eligi...

Page 293: ...room to a conformable temperature quickly unless the system is not in program dry or fan operation The maximum quick cooling heating operation period is 30 minutes Used to set Automatic Heat exchange...

Page 294: ...power failure for a period not exceeding 48 hours the clock will continue working with the built in backup power supply The clock needs settings again if the power failure period exceeds 48 hours Set...

Page 295: ...manipulating the buttons will appear 1 Press buttons to select the desired item to be set 2 Press Menu Enter button to display the selected settings screen To go back to the basic screen from the mai...

Page 296: ...temperature screen use Set temp mode changeover in the Main Menu again To change the set temperature press buttons The set temperature is highlighted and ready to be changed The set temperature will...

Page 297: ...ection 0 1 2 3 4 Left right direction Menu Manipulation The airflow direction setting screen will appear Display the main menu screen See page 26 Press buttons to select on the main menu screen and pr...

Page 298: ...ng buttons changes the setting to in order Selecting will cause the airflow direction blades to swing back and forth For the swing setting only all positions will be displayed When you select one of p...

Page 299: ...select from one of five fixed directions This has no relation to the angle of the louvers Under the operation conditions shown below airflow direction is controlled automatically Actual operation may...

Page 300: ...26 Press buttons to select on the main menu screen Press Menu Enter button to return to the basic screen Quick Cooling Heating will appear on the basic screen Quick Cooling Heating is now on While Qui...

Page 301: ...ick Cooling Heating mode will run for a maximum of 30 minutes before the unit automatically returns to normal operation Activating mode selector will return the air conditioner to normal operation In...

Page 302: ...ects the setting and takes you back to the basic screen Pressing Cancel button takes you back to the previous screen without changing the ventilation rate Display the ventilation settings screen See p...

Page 303: ...tton enters the settings and takes you back to the basic screen Pressing the Cancel button takes you back to the previous screen without changing the ventilation mode Using information from the air co...

Page 304: ...page 34 Press buttons to select the on the timer settings screen Press Menu Enter button to display the schedule timer settings screen Before setting the schedule timer the clock must be set If the c...

Page 305: ...n Press Menu Enter button to display the condition setting screen Press buttons to select the day to be set on the condition setting screen Input the program for the selected day next The schedule tim...

Page 306: ...switch off the installation end of control The status remain unchanged in the case of The display changes in sequence as shown below when buttons are pressed To make an operation change at set tempera...

Page 307: ...t temperature The set temperature will increase by 1 C when the button is pressed and decrease by 1 C when the button is pressed To make limit operation settings press buttons to move the highlighted...

Page 308: ...press buttons to input the desired operation stop time Press buttons to move the highlighted item and press buttons to turn the operation When the entire day settings are completed highlight the items...

Page 309: ...ttons to select on the schedule timer settings screen Press Menu Enter button to display the holiday settings screen Press buttons to select the desired day Press buttons to display to make the holida...

Page 310: ...screen See page 35 Press buttons to select on the schedule timer settings screen Press Menu Enter button to display the enable disable settings screen Press buttons to select or on the enable disable...

Page 311: ...the off reminder timer settings screen Press Menu Enter button to display the condition settings screen Use buttons to set the time from operation start until the unit automatically stops Selections c...

Page 312: ...n the off reminder timer settings screen Press Menu Enter button to display the enable disable settings screen Press button to select on the settings confirmation screen Pressing Menu Enter button ent...

Page 313: ...hone number for the contact address will appear at the top of the screen If you have not yet registered your product it will not appear The model information of the indoor and outdoor units of your pr...

Page 314: ...enient functions settings screen Press Menu Enter button to display the convenient functions settings screen Display the main menu screen See page 26 Press buttons to select on the main menu screen Pr...

Page 315: ...the display settings screen Press buttons to select or on the display settings screen Then press Menu Enter button to confirm settings and return to the basic screen Refer to Setting the detailed dis...

Page 316: ...n screen Some models may not display these items even if they are selected Be sure to read the following notes regarding display of room temperature and outdoor temperature An estimate of the temperat...

Page 317: ...u Enter button Airflow direction Ventilation rate Ventilation mode Schedule timer Display items may differ depending on the model Only the items that can be set are displayed Off reminder timer Quick...

Page 318: ...inuously Press Menu Enter button The settings confirmation screen will appear The date can be set between January 1 2008 and December 31 2099 Select Hour with buttons Input the hour with buttons Holdi...

Page 319: ...button to set the clock and return to the basic screen When setting schedule timer the display return to the settings screens Display the main menu screen See page 26 Daylight Saving Time Caution The...

Page 320: ...on to confirm settings and return to the basic screen When the time to clean the filter or element has come one of the following messages will appear on the bottom of the basic screen Clean the filter...

Page 321: ...supply breaker at the time of maintenance Failure to do so may result in electric shocks or injury Wipe the LCD and other surface part of the remote controller with a dry cloth when they become dirty...

Page 322: ...power Continued operation under such circumstances may result in failure electric shocks or fire Contact your Daikin dealer If an error occurs either one of the following items will blink in the basic...

Page 323: ...s Operation Manual 311 4 3 BRC7E530W BRC7F532F BRC7EA63W The illustrations of indoor unit are for FFQ model as representative 1 1 1 1 2 8 10 13 11 12 15 14 16 17 9 1 3 4 6 2 5 7 1 24 25 1 3 1 2 21 20...

Page 324: ...ng transmitted DISPLAY SET TEMPERATURE DISPLAY PROGRAMMED TIME This display shows PROGRAMMED TIME of the system start or stop DISPLAY AIR FLOW FLAP DISPLAY FAN SPEED DISPLAY INSPECTION TEST OPERATION...

Page 325: ...1 2 shows the remote controller with the front cover opened If the air filter cleaning time indicator lamp lights up clean the air filter as explained in the operation manual provided with the indoor...

Page 326: ...st about a year However change them whenever the indoor unit doesn t respond or responds slowly to commands or if the display becomes dark Replace all batteries at the same time do not use new and old...

Page 327: ...split system For cooling only type COOLING and FAN and DRY operation are able to select FOR SYSTEMS WITHOUT COOL HEAT CHANGEOVER REMOTE CONTROL SWITCH OPERATION MODE SELECTOR Press OPERATION MODE SELE...

Page 328: ...of DEFROST OPERATION the system returns to HEATING OPERATION Heating capacity Outdoor air temperature Heating capacity drops as outdoor air temperature lowers If feeling cold use another heater at th...

Page 329: ...g Press AIR FLOW DIRECTION ADJUST button to select the air direction of your choice DISPLAY vanishes the air flow direction is fixed Fixed air flow direction setting For the following conditions micro...

Page 330: ...the system after 3 hours and start the system after 4 hours the system will stop after 3 hours and then 1 hour later the system will start When the timer is programmed to stop the system after 3 hour...

Page 331: ...g settings than that consented above a peep is emitted as a warning Only with Heat recovery system you can set the indoor unit to AUTOMATIC Attempting to do so a peep will be emitted as a warning How...

Page 332: ...of group control and two remote controller control systems NOT MALFUNCTION OF THE AIR CONDITIONER The following symptoms do not indicate air conditioner malfunction The system does not restart immedia...

Page 333: ...nd perform the following operation according to the number of beeps 3 short beeps Perform all steps from to 1 short beep Perform and steps Press OPERATION MODE SELECTOR BUTTON on the left hand of the...

Page 334: ...er cannot be accepted If the number is not mentioned it is considered as 1 The system operates but it does not sufficiently cool or heat Contact the place of purchase in the following case When you de...

Page 335: ...Indoor Liquid Pipe Thermistor R2T Abnormality 369 5 7 Indoor Heat Exchanger Thermistor R3T Abnormality 370 5 8 Suction Air Thermistor R1T Abnormality 371 5 9 Remote Controller Thermistor Abnormality 3...

Page 336: ...3 Radiation Fin Thermistor Abnormality 408 7 24 Low Pressure Drop due to Refrigerant Shortage or Electronic Expansion Valve Abnormality 409 7 25 Power Supply Insufficient or Instantaneous Failure 411...

Page 337: ...ain PCB A1P has a green LED HAP When the microcomputer works in order the LED blinks 1 1 2 Service PCB A2P The service PCB A2P has orange LEDs H1P H7P You can identify the error code with these LEDs i...

Page 338: ...lock M1F E7 Detection of fan motor lock M2F Moving part of electronic expansion valve Y1E Y3E abnormality Y1E main E9 Y3E subcooling Outdoor temperature thermistor R1T abnormality Short or open circui...

Page 339: ...l h l l h l h h h h l h h l l J3 l h l l h l h h l l l h h h h l h h 1 J5 l h l h l l h h h h l h h l h h h h l h l J6 l h l l h l h h h h l h h J7 l h l l l l h h h h l h h J9 l l h h l l h h h h l...

Page 340: ...ter circuit Imbalance of inverter power supply voltage P1 Radiation fin thermistor abnormality Faulty thermistor of inverter fin P4 Low pressure drop due to refrigerant shortage or electronic expansio...

Page 341: ...l h h l l U2 l h h l h l h h h h l h h 1 l h h h h h l l h h h h l h h l h l h h h h l h h h l U3 l h h l l l h h h h l h h l l l h h h h l h l l l U4 l h l h h l h h h h l h h l l l h h h h l h l l l...

Page 342: ...PCB is defective BP Unit LED Indication Description Green Red A 1 2 3 4 j h h h h Normal condition j i h h h Defective electronic expansion valve or anti icing control in non operating indoor unit j...

Page 343: ...or when the thermistor malfunctions 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...

Page 344: ...Wall Mounted Type G Series 60 71 Class Floor Standing Type Floor Ceiling Suspended Dual Type Duct Connected Type BRC1D528 Operation lamp green R11689 R11687 Operation lamp green Operation lamp green R...

Page 345: ...door units to the same operation mode and confirm that the operation lamp is not blinking Moreover when the operation mode is automatic set all the indoor unit operation mode as cooling or heating and...

Page 346: ...indication changes in the sequence shown below Note 1 A short beep pi and two consecutive beeps pi pi indicate non corresponding codes 2 To return to the normal mode hold the timer cancel button down...

Page 347: ...e of the ten s place blinks 4 Press the Temp or button and change the figure until you hear the sound of beep or pi pi 5 Diagnose by the sound pi The figure of the ten s place does not accord with the...

Page 348: ...i The figure of the ten s place accords with the error code but the one s not beep The both figures of the ten s and one s place accord with the error code 9 Determine the error code The figures indic...

Page 349: ...shown below Note 1 A short beep pi and two consecutive beeps pi pi indicate non corresponding codes 2 To return to the normal mode hold the timer cancel button down for 5 seconds When the remote cont...

Page 350: ...sound of beep or pi pi 3 Diagnose by the sound pi The figure of the ten s place does not accord with the error code pi pi The figure of the ten s place accords with the error code but the one s not b...

Page 351: ...h figures of the ten s and one s place accord with the error code 7 Determine the error code The figures indicated when you hear the beep sound are error code Error codes and description Refer to page...

Page 352: ...s 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 normal mode TIMER ON CANCEL OFF TIME...

Page 353: ...u hear the sound of beep or pi pi 3 Diagnose by the sound pi The figure of the ten s place does not accord with the error code pi pi The figure of the ten s place accords with the error code but the o...

Page 354: ...h figures of the ten s and one s place accord with the error code 7 Determine the error code The figures indicated when you hear the beep sound are error code Error codes and description Refer to page...

Page 355: ...e Inspection Test button for more than 4 seconds Field setting mode Service mode Normal mode Trial operation mode Inspection mode Press the Inspection Test button once Press the Inspection Test button...

Page 356: ...oor status display Outdoor status display Fan forced operation ON Main Sub changeover Filter element sign OFF Service Menu Model name display Operating hours display Indoor status display Outdoor stat...

Page 357: ...error code and malfunction contents Note 1 When you press the Inspection Test button the inspection display blinks 2 While in the inspection mode press the ON OFF button for 5 seconds or more to clea...

Page 358: ...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 continues i...

Page 359: ...IT No display 2 Press the UP or DOWN button and change the UNIT No until the receiver of the remote controller starts to beep Inspection Test button R11286 UP button DOWN button R11287 If you hear The...

Page 360: ...inks 4 Press the UP or DOWN button to change the error code upper digit until the receiver of the remote controller starts to beep Step Action MODE button R11288 UP button DOWN button R11289 UP DOWN I...

Page 361: ...utton and change the error code lower digit until the receiver of the remote controller generates a continuous beep 7 Press the MODE button to return to the normal mode If you do not press any button...

Page 362: ...rigerant overcharged 393 H9 Outdoor temperature thermistor R1T abnormality 394 J0 BP liquid or gas pipe thermistor abnormality 378 J3 Discharge pipe thermistor R2T abnormality 395 J5 Suction pipe ther...

Page 363: ...sion error between centralized remote controller and indoor unit 419 UF System is not set yet 421 UH System abnormality refrigerant system address undefined 422 UJ Transmission error between outdoor u...

Page 364: ...heck the following connector Check the combination of the indoor and outdoor unit OK Check the connection of connectors See Note Correct the connection OK Error repeats YES NO NO YES NO YES R11930 Cau...

Page 365: ...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 Malfunction Decision Conditions Freeze u...

Page 366: ...ssage Clean the air filter Clean the indoor heat exchanger Replace the indoor unit PCB Replace the thermistor Does it conform to the thermistor characteristic chart Check the air filter Check the dust...

Page 367: ...CB Troubleshooting Check No 16 Refer to P 362 NO NO NO Check No 16 Check Hall IC NO NO NO YES YES YES YES YES YES R11411 Caution Replace the fan motor or the indoor unit PCB Replace the fan motor Repl...

Page 368: ...ine abnormal fan motor operation Malfunction Decision Conditions The detected rotation speed does not reach the demanded rotation speed of the target tap and is less than 50 of the maximum fan motor r...

Page 369: ...an rotate Is the motor control voltage 15 VDC generated Turn off the power supply and rotate the fan by hand Turn the power on and start operation Be sure to turn off the power switch before connectin...

Page 370: ...ompressor operation Supposed Causes Disconnection of connector Defective thermistor Defective indoor unit PCB Troubleshooting Check No 06 Refer to P 361 C4 Indoor heat exchanger thermistor C9 Room tem...

Page 371: ...emove 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 motor...

Page 372: ...nnection of connector 2 Check motor power supply voltage output pins 4 7 3 Check motor control voltage pins 4 3 4 Check rotation command voltage output pins 4 2 5 Check rotation pulse input pins 4 1 7...

Page 373: ...normal temperature and resistance is shown in the graph and the table below For the models in which the thermistor is directly mounted on the PCB disconnect the connector for the PCB and measure Therm...

Page 374: ...e connector connected check the following Output voltage of about 5 V between pins 1 and 3 Generation of 3 pulses between pins 2 and 3 when the fan motor is operating If NG in step 1 Defective PCB Rep...

Page 375: ...eceived from the EEPROM EEPROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes External factor noise etc Defective indoor unit PCB Trouble...

Page 376: ...nction 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 Defective drain pump Im...

Page 377: ...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 378: ...n motor Broken or disconnected wire Defective contact Defective indoor unit PCB Troubleshooting Note There is a possibility of open phase power supply also check power supply Caution Be sure to turn o...

Page 379: ...disconnecting connectors or parts may be damaged Connect them correctly Replace the indoor unit PCB Replace the swing motor R12863 NO Replace the indoor unit PCB YES YES NO Connect it correctly NO YE...

Page 380: ...to see if the drain 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 to see if...

Page 381: ...running Supposed Causes Defective thermistor Defective indoor unit PCB Disconnection of connector Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 2 on page 427 Connec...

Page 382: ...unit is running Supposed Causes Defective thermistor Defective indoor unit PCB Disconnection of connector Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 2 on page 427...

Page 383: ...Supposed Causes Defective thermistor Defective indoor unit PCB Disconnection of connector Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 2 on page 427 Connect it corr...

Page 384: ...mote 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 codes press the...

Page 385: ...roubleshooting 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 then b...

Page 386: ...s 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 Troubleshooting Turn the power o...

Page 387: ...emote controller correctly YES NO NO YES Remove the jumper NO YES Set it correctly YES NO NO NO YES YES R13011 Turn the power supply off once and back on to restart Is the remote controller connected...

Page 388: ...l Incorrect connection of connectors for electronic expansion valve coil Troubleshooting Keep using as it is Could be external factor other than malfunction Replace the electronic expansion valve coil...

Page 389: ...d from the EEPROM EEPROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defective BP unit PCB Troubleshooting YES NO External factor othe...

Page 390: ...stor Incorrect connection of BP liquid or gas pipe thermistor Troubleshooting Temperature Resistance 10 C 117 k 0 C 67 k 10 C 40 k 20 C 25 k 30 C 16 k 40 C 10 k 50 C 7 k 60 C 5 k 70 C 3 k NO YES Repla...

Page 391: ...ission is checked whether it is normal Malfunction Decision Conditions When the data sent from the BP unit cannot be received normally or when the content of the data is abnormal Supposed Causes Defec...

Page 392: ...ED A on the indoor unit PCB blinking NO YES Defective BP unit PCB or malfunction of power supply system Could result from external cause e g noise Is HAP blinking Is HAP blinking YES Normal Address Se...

Page 393: ...rm Troubleshooting Check No 14 Refer to P 382 YES NO YES Check No 14 Check the power supply waveform NO YES R13015 NO YES Check the transmission wire and the connection orders Could be external factor...

Page 394: ...forms Check Check No 14 Measure the power supply waveform between the pins 1 and 3 on the terminal board and check the waveform disturbance Check to see if the power supply waveform is a sine wave Fig...

Page 395: ...be correctly received from the EEPROM EEPROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Supposed Causes Defective main PCB A1P Troubleshooting Turn...

Page 396: ...ressure switch opens Malfunction Decision Conditions When the high pressure switch activation count reaches the number specific to the operation mode Reference Operating pressure of high pressure swit...

Page 397: ...h pressure sensor normal See 1 Replace the high pressure switch Replace the high pressure sensor The high pressure sensor is normal and the pressure detected with the PCB is also normal The high press...

Page 398: ...function Detection Detection by the pressure value with the low pressure sensor Malfunction Decision Conditions When the low pressure is dropped under specific pressure Operating pressure 0 07 MPa Sup...

Page 399: ...become low Remove the causes by which the low pressure has become low 1 Make a comparison between the voltage of the pressure sensor and that read by the pressure gauge As to the voltage of the pressu...

Page 400: ...outdoor unit PCB Stop valve is left closed Troubleshooting Check the installation conditions Is the stop valve open Are the UVW wirings normal Is high differential pressure starting 0 5 MPa or more Ch...

Page 401: ...due to tangled foreign matters Troubleshooting Check No 03 Refer to P 425 Note Refer to page 326 for detail about monitor mode Is the connector of the fan motor disconnected Is there any obstacle arou...

Page 402: ...ion System checks if the connector is disconnected and the detection is based on the continuity of electronic expansion valve coil Malfunction Decision Conditions No current is detected in the common...

Page 403: ...urn power supply off and turn power supply on again The connector of main PCB A1P for electronic expansion valve is connected Replace the connecting cable Replace the main PCB A1P YES YES NO Ensure co...

Page 404: ...ermometer Refer to Thermistor Resistance Temperature Characteristics table 3 on page 428 NO NO Replace the discharge pipe thermistor R2T Replace the main PCB A1P YES YES Discharge pipe thermistor is n...

Page 405: ...nger thermistor liquid pipe thermistor Defective outdoor temperature thermistor outdoor heat exchanger thermistor liquid pipe thermistor Troubleshooting Refer to Thermistor Resistance Temperature Char...

Page 406: ...sconnection of thermistor Defective outdoor temperature thermistor R1T Defective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 2 on page 427 Is the ther...

Page 407: ...Disconnection of thermistor Defective discharge pipe thermistor R2T Defective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 3 on page 428 Is the thermi...

Page 408: ...R3T R5T Defective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 2 on page 427 Note Refer to page 326 for detail about monitor mode Is the thermistor ASS...

Page 409: ...Causes Disconnection of thermistor Defective outdoor heat exchanger thermistor R4T Defective main PCB A1P Troubleshooting Refer to Thermistor Rsistance Temperature Characteristics table 2 on page 427...

Page 410: ...uses Disconnection of thermistor Defective outdoor liquid pipe thermistor R7T Defective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 2 on page 427 Is t...

Page 411: ...nnection of thermistor Defective subcooling heat exchanger gas pipe thermistor R6T Defective main PCB A1P Troubleshooting Refer to Thermistor Resistance Temperature Characteristics table 2 on page 427...

Page 412: ...e measurement point 2 For pressure voltage characteristics graph refer to Pressure Sensor on page 429 Is the high pressure sensor connected to X17A red on the main PCB A1P The relationship between the...

Page 413: ...e measurement point 2 For pressure voltage characteristics graph refer to Pressure Sensor on page 429 Is the low pressure sensor connected to X18A blue on the main PCB A1P The relationship between the...

Page 414: ...the unit Malfunction Decision Conditions Overcurrent OCP flows during waveform output Malfunction of current sensor during synchronous operation IPM failure Supposed Causes Defective main PCB A1P IPM...

Page 415: ...r temperature NO NO YES Replace the fin thermistor NO Replace the main PCB A1P Continue operation It is supposed that the radiation fin temperature became high due to some field factors In this connec...

Page 416: ...tual is displayed when the inverter output voltage is checked by tester Disconnect the connection between the compressor and the main PCB Make the power transistor check mode setting ON by service mod...

Page 417: ...ssor and the main PCB Make the power transistor check mode setting ON by service mode Is the secondary current of the inverter higher than 16 1 A 260 sec for each phase Is the compressor s coil discon...

Page 418: ...ressor and the main PCB Make the power transistor check mode ON by service mode The difference between high and low pressure when starting is above 0 2 MPa After turning on again L9 blinks again Is th...

Page 419: ...nction Decision Conditions When the voltage waveform becomes identical with the waveform of the power supply open phase Supposed Causes Defective main circuit capacitor Improper main circuit wiring De...

Page 420: ...d P4 is displayed by pressing the inspection button Supposed Causes Defective radiation fin thermistor Defective main PCB A1P Troubleshooting Disconnect the lead wires from the compressor and then che...

Page 421: ...Refrigerant shortage is detected by discharge pipe thermistor and low pressure saturation temperature Malfunction Decision Conditions Microcomputer judge and detect if the system is short of refrigera...

Page 422: ...20 degrees or more Resistance is normal when measured after disconnecting the thermistor R3T 1 Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may...

Page 423: ...neous power failure Defective outdoor fan motor Defective main PCB A1P Troubleshooting Check No 03 Refer to P 425 Is the power supply voltage 200 240V 10 Is the P N resistance not less than several hu...

Page 424: ...oting Has the check operation performed from the outdoor unit PCB Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Performs the check...

Page 425: ...remote controller PCB Transmission error caused by noise Troubleshooting Caution Be sure to turn off the power switch before connecting or disconnecting connectors or parts may be damaged Does operati...

Page 426: ...SUB when using 1 remote controller Transmission error between main and sub remote controller Connection of 2 sub remote controllers when using 2 remote controllers Defective remote controller PCB Trou...

Page 427: ...Remote Controller Display U9 Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Transmission error within or outside of other system Defective electronic expansion valve i...

Page 428: ...controllers of other units within the same refrigerant system Does the U4 display blink on the remote controllers of other units within the same refrigerant system Re diagnose by display after passag...

Page 429: ...or and outdoor unit Setting of outdoor unit PCB was not conducted after replacing to spare parts PCB Troubleshooting Push and hold the RESET button BS5 on the service PCB A2P for 5 seconds Does a malf...

Page 430: ...r indoor unit Malfunction Decision Conditions The malfunction decision is made as soon as the abnormality is detected Supposed Causes Address duplication of centralized remote controller Defective ind...

Page 431: ...ks if transmission between indoor unit and centralized remote controller is normal Malfunction Decision Conditions When transmission is not carried out normally for a certain amount of time Supposed C...

Page 432: ...Is the group No of malfunctioning indoor units set Is the transmission wiring with the master controller disconnected or wired incorrectly Caution Be sure to turn off the power switch before connectin...

Page 433: ...PCB Stop valve is left closed Troubleshooting Note Wiring check operation may not be successful if carried out after the outdoor unit has been off for more than 12 hours or if it is not carried out a...

Page 434: ...ting connectors or parts may be damaged NO YES YES After fixing incorrect wiring push and hold the RESET button BS5 on the service PCB A2P for 5 seconds The unit does not run for up to 12 minutes Norm...

Page 435: ...orresponding to the measurement of the pressure sensor In cooling High suction air temperature of the condenser In heating High suction air temperature of outdoor unit Short circuit High ambient tempe...

Page 436: ...ting Low suction air temperature of indoor unit Short circuit Is the suction air temperature not less than 14 C Is the indoor temperature not less than 14 C Low ambient temperature Faulty suction air...

Page 437: ...ply off 2 With the fan motor connector disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following table Measurement point...

Page 438: ...scharge pipe R13058 Subcooling motor operated valve failure Control failure Check if coil resistance and insulation are normal Check if coil resistance and insulation are normal Check if the voltage p...

Page 439: ...96 40 10 63 40 5 10 41 9 106 03 8 5 103 18 41 10 21 41 5 10 00 8 100 41 7 5 97 73 42 9 81 42 5 9 61 7 95 14 6 5 92 61 43 9 42 43 5 9 24 6 90 17 5 5 87 79 44 9 06 44 5 8 88 5 85 49 4 5 83 25 45 8 71 4...

Page 440: ...8 72 5 32 23 122 7 06 122 5 6 97 23 218 24 23 5 213 51 73 31 69 73 5 31 15 123 6 87 123 5 6 78 24 208 90 24 5 204 39 74 30 63 74 5 30 12 124 6 69 124 5 6 59 25 200 00 25 5 195 71 75 29 61 75 5 29 12 1...

Page 441: ...e High Side VDC VL Output Voltage Low Side VDC PH 1 38VH 0 69 PL 0 57VL 0 28 PH High pressure MPa PL Low pressure MPa 0 0 0 5 1 1 5 2 2 5 3 3 5 4 VDC 5 1 0 5 0 5 R13059 PH PL MPa 51 0 45 9 40 8 35 7 3...

Page 442: ...nductors mounted on the main PCB A1P with a multiple tester Items to be prepared z Multiple tester Prepare the digital type of multiple tester with diode check function Preparation z Turn OFF the powe...

Page 443: ...each value variation The following abnormalities are also doubted besides the PCB abnormality h Defective compressor ground fault ground leakage h Defective fan motor ground leakage Tester terminal C...

Page 444: ...Electrical Components 436 1 3 Removal of Outdoor Fans Fan Motors 443 1 4 Removal of Thermistors 445 1 5 Removal of Electronic Expansion Valves Peripheral Equipments 446 1 6 Removal of Four Way Valve 4...

Page 445: ...ve the screw of the front panel 2 Push the front panel 2 downward to release the hook and remove it Remove the screw and remove the piping cover front Remove the 4 screws and remove the piping cover r...

Page 446: ...to remove a discharge grille 7 Remove the 7 screws of the front panel 1 Push the front panel 1 upward and remove it On the rear side of the front panel 1 a reinforce plate is attached Be careful not...

Page 447: ...e 3 hooks with a flat screwdriver and remove the suction grille 9 Pull the outdoor temperature thermistor and slide it to the right Detach the outdoor temperature thermistor Step Procedure Points Suct...

Page 448: ...elapsed from all power supplies have been turned off Step Procedure Points 1 Remove the 2 screws of the terminal mounting plate Preparation Remove the outer panels according to the Removal of Outer Pa...

Page 449: ...SiBE18 821_C Outdoor Unit Removal Procedure 437 4 Cut off the 3 clamps 5 Disconnect the relay connector for the reactor lead wire from each other Step Procedure Points R9222 R9223 R9224 R9225...

Page 450: ...rs for the fan motor X106A X107A 7 Release the fan motor lead wires from the hooks 8 Release the lead wires of the solenoid valves and four way valve from the fixing plate and then remove the electric...

Page 451: ...the compressor lead wires blue red white and the lead wires between A1P and A3P red blue from the hooks 10 Remove the 2 screws from LB red and NB blue on A3P and disconnect the 2 lead wires of condens...

Page 452: ...om A3P to A1P red blue and for the earth green Clamps 2 places for the compressor lead wires Clamp for the lead wires from A3P to A1P and for the earth 12 Push and unfasten the 2 hooks and slide the c...

Page 453: ...ead wire connector and all the other connectors from the main PCB X22A X21A X13A X11A X12A X18A X17A X32A X25A X26A X27A X28A Refer to page 28 for detail Step Procedure Points X66A X81A X5A R12970 X66...

Page 454: ...he 2 hooks at the rear side 17 The figures in the right are PCB assembly Refer to page 28 29 for detail Step Procedure Points R9238 Hook R12972 Fixing plate for the PCB Electrical component mounting p...

Page 455: ...rned off Step Procedure Points Preparation Remove the discharge grille front panels 1 and 2 and piping cover front according to the Removal of Outer Panels 1 Remove the nuts which fixing the outdoor f...

Page 456: ...as not to be entangled with the outdoor fan Be sure to remove the lower screws first If the upper screws are removed first the fan motor the center of gravity of which is toward the front may tilt do...

Page 457: ...e thermistor R1T 3 Pull out the suction pipe thermistors R3T R5T 4 Pull out the subcooling thermistor R6T and the liquid pipe thermistors R7T R8T 5 Pull out the outdoor heat exchanger thermistor R4T W...

Page 458: ...e Points 1 Pull out the 2 electronic expansion valve coils 2 Remove the 2 pressure sensors When removing the pressure sensor be sure to use 2 wrench as the left figure shows The pressure sensor is equ...

Page 459: ...switch 4 Remove the screw and remove the solenoid valve coil for hot gas bypass 5 Remove the screw and remove the solenoid valve coil for unloading Step Procedure Points High pressure switch S1PH R129...

Page 460: ...nt gas Cautions for restoration 1 Restore 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 af...

Page 461: ...l means because the sawdust comes into the circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so...

Page 462: ...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 sake of this wrap the four way valve with w...

Page 463: ...upplies have been turned off Step Procedure Points 1 Open upward the sound insulation for the terminal cover Preparation Remove the outer panels electrical components and peripheral equipments 2 Remov...

Page 464: ...essor 5 Remove the crankcase heater at the lower of the compressor Pull the spring to release the catch 6 Remove the 3 nuts of the compressor You can see the rear side nut when the lower discharge gri...

Page 465: ...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 cloth does not dry In ca...

Page 466: ...s before disassembling work Step Procedure Points 1 Remove the 4 screws and remove the electrical box cover 2 The PCB is as shown at the right Disconnect all the relay cables The PCB is waterproof wit...

Page 467: ...X22A X23A and the connector for the thermistors X90A X20A bypass X21A for room A X22A for room B X23A for room C BPMKS967B2B model does not have X23A 4 Remove the screw of the wire harness band 5 Remo...

Page 468: ...BP Unit SiBE18 821_C 456 Removal Procedure 6 Disconnect the terminal of the earth 7 Remove the 2 screws and remove the PCB assembly Step Procedure Points Q0507 R12990 PCB assembly...

Page 469: ...supplies before disassembling work Step Procedure Points 1 Detach the clamp of the wire harnesses Preparation Remove the PCB assembly according to the Removal of PCB Assembly 2 Remove the 4 screws and...

Page 470: ...es 5 Remove the putty BPMKS967B2B model does not have an electronic expansion valve for room C 6 Cut off the clamps and pull out the electronic expansion valve coils Step Procedure Points Sealing mate...

Page 471: ...SiBE18 821_C BP Unit Removal Procedure 459 Step Procedure Points Clamps Q0529...

Page 472: ...SiBE18 821_C 460 Appendix Part 10 Appendix 1 Piping Diagrams 461 1 1 Outdoor Unit 461 1 2 BP Unit 462 1 3 Indoor Unit 463 2 Wiring Diagrams 469 2 1 Outdoor Unit 469 2 2 BP Unit 470 2 3 Indoor Unit 471...

Page 473: ...hanger Compressor Service port ACCUMULATOR Stop valve With service port on field piping side 7 9mm flare connection Electronic expansion valve Double pipe heat exchanger Electronic expansion valve Fou...

Page 474: ...A 15 9CuT ROOM B 15 9CuT ROOM A 6 4CuT ROOM B 6 4CuT 3D048286B REFRIGERANT FLOW HEATING COOLING FILTER FILTER EVH EV EVC EVA B FILTER FILTER FILTER INDOOR UNIT INDOOR UNIT GAS LIQUID LOCAL PIPING LOC...

Page 475: ...ELD PIPING FIELD PIPING 12 7CuT 6 4CuT 7 0CuT CROSS FLOW FAN REFRIGERANT FLOW FAN MOTOR M INDOOR UNIT HEATING COOLING 7 0CuT 7 0CuT 9 5CuT HEAT EXCHANGER 7 0CuT 7 0CuT THERMISTOR ON HEAT EXCH 4D050924...

Page 476: ...LING 9 5CuT 6 4CuT M INDOOR UNIT 6 4CuT REFRIGERANT FLOW HEATING FAN MOTOR FIELD PIPING HEAT EXCHANGER FIELD PIPING 12 7CuT THERMISTOR ON HEAT EXCH 4D058898D FIELD PIPING FIELD PIPING 12 7CuT 6 4CuT C...

Page 477: ...FAN 6 4CuT 6 4CuT 6 4CuT COOLING M 6 4CuT 6 4CuT HEATING HEAT EXCHANGER 12 7CuT FIELD PIPING 6 4CuT MUFFLER ASSY INDOOR UNIT 6 4CuT 9 5CuT REFRIGERANT FLOW FIELD PIPING THERMISTOR ONHEATEXCH 4D056138...

Page 478: ...NDOOR UNIT SIROCCO FAN 6 4CuT A CuT FAN MOTOR M REFRIGERANT FLOW HEAT EXCHANGER COOLING HEATING 12 7 9 5 FDXS25EAVMB FDXS35EAVMB FDXS50CVMB FDXS60CVMB THERMISTOR ON HEAT EXCH A A FIELD PIPING A CuT C...

Page 479: ...ting Liquid pipe connection port Gas pipe connection port Heat exchanger Fan Model Gas Liquid FCQ35C 9 52 6 35 FCQ50C 12 70 6 35 FCQ60C C 3TW20815 1B Refrigerant flow Cooling Heating Heat exchanger Li...

Page 480: ...Gas pipe connection port Refrigerant flow Cooling Heating Refrigerant pipe connection port diameters Model Gas Liquid FBQ35C 9 52 6 35 FBQ50C 12 70 6 35 FBQ60C 12 70 6 35 C 3TW31275 1 Indoor heat exc...

Page 481: ...R TH FIN HAP FAN K1M FUSE T 6 3A 250V RED X1M PRESSURE SENSOR HIGH W ELECTRONIC EXPANSION VALVE SUB COOL BLU 3 MS NOISE FILTER BS1 F1 R3T F2 6 R2T BLU C HS ELECTOR PRINTED CIRCUIT BOARD NOISE FILTER Z...

Page 482: ...TRIP F2U FUSE DS2 DIP SWITCH Y1E Y3E MOTOR OPERATED VALVE COIL 3D048565B FIELD WIRING 3 3 3 2 2 2 1 1 1 PCB OFF X3M X4M X5M 2 3 2 2 3 3 1 1 1 3 4 2 1 DS2 H2P H3P H4P H5P H1P E1 LEDA LED2 LED4 LED3 LED...

Page 483: ...ATION SWITCH PANEL LIMIT SWITCH TERMINAL STRIP PROTECTIVE EARTH EARTH TERMINAL SHIELD PLATE EARTH TERMINAL HEAT EX 3D050493B X1M 1 A1P F1U H1 S21 2 BLK 1 S25 3 15A 3 2 WHT A3P C102 V1 1 1 BLK H2 OUTDO...

Page 484: ...PACITOR FG FRAME GROUND F1U FUSE H1P H3P PILOT LAMP MR10 MAGNETIC RELAY M1F FAN MOTOR M1S M3S SWING MOTOR PCB1 PCB4 PRINTED CIRCUIT BOARD R1T R2T THERMISTOR S1 S49 CONNECTOR SW1 OPERATION SWITCH V1 VA...

Page 485: ...Y M1F FAN MOTOR M1S M2S SWING MOTOR PCB1 PCB4 PRINTED CIRCUIT BOARD R1T R2T THERMISTOR S1 S49 CONNECTOR SW1 OPERATION SWITCH V1 VARISTOR X1M TERMINAL STRIP PROTECTIVE EARTH 3D064800A M S1W outdoor FIE...

Page 486: ...STRIP PROTECTIVE EARTH C70 RUNNING CAPACITOR FU FUSE H1P H3P PILOT LAMP M1F FAN MOTOR M1S SWING MOTOR 3D033909F PCB2 RECEIVER SIGNAL LED H1P LED H2P S1W LED H3P 2RTH1 R1T t 10 1 S1 1 C1 BRN F1U S26 2...

Page 487: ...P2 F1 P1 GRN NOTE 5 YLW C1 WHT NE X2M S1L T1R SS1 P2 MSW P1 M1S M1F C1 M R1T Q1M WIRED REMOTE CONTROLLER IN CASE OF SIMULTANEOUS OPERATION SYSTEM REMOTE CONTROLLER TO OUTDOOR UNIT INDOOR UNIT MASTER I...

Page 488: ...1T Thermistor air A3P Printed circuit board WIRED REMOTE CONTROL R2T Thermistor coil A4P Printed circuit board R1T Thermistor air BS1 Push button on off SS1 Selector switch main sub Colors 35 140 Clas...

Page 489: ...Indoor unit M1F Motor fan SS1 Selector switch emergency TC Signal transmission circuit A1P Printed circuit board M1P Motor drain pump S1L Float switch Connector optional accessory A2P Printed circuit...

Page 490: ...X25A KPR X10A R3T YLW YLW WHT NOTE 6 t X33A T1R X17A t X11A X35A HAP V1TR X24A NOTE 4 KAR X15A X14A X20A X29A X26A X5A BLK BLK PRP BLU GRY X1M BLK RED P2 P1 NOTE 6 YLW C1 WHT S1Q MSW M1F M1S M SS1 P2...

Page 491: ...Revision History Date News No Contents 2010 11 9 M 10013 Correction of troubleshooting flowchart AF for SkyAir models...

Page 492: ...carefully before using this product The User s Manual provides important safety instructions and warnings Be sure to follow these instructions and warnings If you have any enquiries please contact yo...

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