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Daikin FTXN25L, Руководство по обслуживанию

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SERVICE MANUAL

Inverter Wall Mounted Single Split

dd

SM-5WM-Y-EU-A3

MODELS

FTXN25/35/50/60L 

  RXN25/35/50/60L

FTXN25/35/50/60M 

  RXN25/35/50/60M

FTXK25/35/50/60A 

  RXK25/35/50/60A

FTXN25/35/50/60N 

  RXN25/35/50/60N

FTXC25/35/50/60A 

  RXC25/35/50/60A

FTXB50/60A    RXB50/60A

FTXB50/60B    RXB50/60B

FTXB50/60C    RXB50/60C

ATXN25/35/50/60L 

  ARXN25/35/50/60L

ATXN25/35/50/60M 

  ARXN25/35/50/60M

ATXN25/35/50/60N 

  ARXN25/35/50/60N

ATXB50/60C    ARXB50/60C

Содержание FTXN25L

Страница 1: ...5 35 50 60M RXN25 35 50 60M FTXK25 35 50 60A RXK25 35 50 60A FTXN25 35 50 60N RXN25 35 50 60N FTXC25 35 50 60A RXC25 35 50 60A FTXB50 60A RXB50 60A FTXB50 60B RXB50 60B FTXB50 60C RXB50 60C ATXN25 35...

Страница 2: ......

Страница 3: ...ermistors in RXN RXB RXC ARXN ARXB 22 2 11 Minimum Off Time Control 22 2 12 Auto Restart 22 2 13 Auto Random Restart 22 2 14 Four Way Valve Control 24 2 15 Outdoor Fan Control 24 2 16 Rotation Regulat...

Страница 4: ...Table of Contents ii 4 0 Wiring Connection 64 5 0 Refrigerant Diagram 70 6 0 Appendix A 72...

Страница 5: ...disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shock If it is necessary to supply power to the equipment to conduct the...

Страница 6: ...cal shocks Be sure to turn off the power switch and unplug the power cable when cleaning the equipment The internal fan rotates at a high speed and cause injury Do not tilt the unit when removing it T...

Страница 7: ...t between the indoor and outdoor units Make the connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals Improper connections can cause...

Страница 8: ...n electrical shock excessive heat generation or fire Do not use a joined power cable or extension cable or share the same power outlet with other electrical appliances since it can cause an electrical...

Страница 9: ...X X X X X ATXN50 60LV1B X X X X X FTXB50 60AV1B X X X X X FTXB50 60BV1B X X X X X FTXN25 35MV1 X X X X X X X FTXN50 60MV1 X X X X X X X FTXN25 35MV1B X X X X X X X FTXN50 60MV1B X X X X X X X FTXN25 3...

Страница 10: ...2_03E W_2_03E_M W_2_04A W_2_04B Saranet Filter Titanium Apatite CE GOST EAC Auto Restart ATXN25 35NV1B X X X X X X ATXN50 60NV1B X X X X X X ATXN25 35NV1B9 X X X X X X ATXN50 60NV1B9 X X X X X X ATXN2...

Страница 11: ...RXN50 60MV1 X X X X X X X RXN25 35MV1B X X X X X X X RXN50 60MV1B X X X X X X X RXN25 35MV1B9 X X X X X X RXN50 60MV1B9 X X X X X X ARXN25 35MV1B X X X X X X ARXN50 60MV1B X X X X X X ARXN25 35MV1B7...

Страница 12: ...N25 35MV1B ATXN25 35MV1B7 1 2 1 1 Main PCB W_2_03C Item Indication on PCB Description 1 A1 Connector for fan motor 2 A2 Connector for swing motor 3 A3 Connector for fan motor feedback 4 A4 Fuse 5 A5 V...

Страница 13: ...Indication on PCB Description 1 A1 Operational LED 2 A2 Connector for Control PCB 3 A3 Handset signal receiver 4 A4 Operation ON OFF switch 5 A5 Buzzer Applicable Model FTXN25 35L FTXN25 35MV1 FTXN25...

Страница 14: ...CB W_2_03D W_2_03E W_2_03E_M Item Indication on PCB Description 1 A1 Connector for fan motor 2 A2 Connector for swing motor 3 A3 Connector for fan motor feedback 4 A4 Fuse 5 A5 Varistor 6 A6 Connector...

Страница 15: ...on PCB Description 1 A1 Operational LED 2 A2 Connector for Control PCB 3 A3 Handset signal receiver 4 A4 Operation ON OFF switch 5 A5 Buzzer A1 A2 A3 A4 A5 Applicable Model FTXK25 35A Applicable Model...

Страница 16: ...FTXC50 60A ATXB50 60C ATXN50 60L ATXN50 60M ATXN50 60N 1 2 3 1 Main PCB W_2_04A W_2_04B Item Indication on PCB Description 1 A1 Connector for fan motor 2 A2 Connector for swing motor 3 A3 Connector f...

Страница 17: ...ional LED 2 A2 Connector for Control PCB 3 A3 Handset signal receiver 4 A4 Operation ON OFF switch 5 A5 Buzzer A1 A2 A3 A4 A5 Applicable Model FTXK50 60A Applicable Model FTXB50 60A FTXB50 60B FTXB50...

Страница 18: ...35N 1 2 4 1 Main PCB Item Indication on PCB Description 1 S11 Connector for S10 on main PCB 2 HL1 HN1 S Connector for terminal board 3 E1 E2 Terminal for earth wire 4 HL2 HN2 Connector for HL3 HN3 on...

Страница 19: ...plit 11 1 2 5 Outdoor PCB RXN25 35L RXN25 35MV1 RXN25 35MV1B RXN25 35MV1B9 ARXN25 35L ARXN25 35MV1B 1 2 5 1 Filter PCB Item Indication on PCB Description 1 S11 Connector for indoor PCB 2 FU3 Fuse 20A...

Страница 20: ...tronic expansion valve coil 3 S40 Connector for overload protector 4 S70 Connector for fan motor 5 S80 Connector for four way valve coil 6 S90 Connector for thermistors outdoor temperature outdoor hea...

Страница 21: ...2 6 Outdoor PCB RXB50 60B RXB50 60C RXN50 60M RXN50 60N RXK50 60A RXC50 60A ARXB50 60C ARXN50 60M ARXN50 60N 1 2 6 1 Filter PCB Item Indication on PCB Description 1 S11 Connector for indoor PCB 2 FU3...

Страница 22: ...tronic expansion valve coil 3 S40 Connector for overload protector 4 S70 Connector for fan motor 5 S80 Connector for four way valve coil 6 S90 Connector for thermistors outdoor temperature outdoor hea...

Страница 23: ...A1 Connector for IPM PCB 2 A2 Connector for heat sink thermistor 3 A3 Connector for thermistors outdoor air heat exchanger discharge pipe 4 A4 Connector for electronic expansion valve coil 5 A5 A6 Con...

Страница 24: ...it 16 1 2 7 2 IPM board G202A_I Item Indication on PCB Description 1 A1 A2 A3 Connector to compressor 1 2 7 3 Display board G005A_D Item Indication on PCB Description 1 A1 Connector to control PCB 2 A...

Страница 25: ...E m Pre charge for up to piping length m Additional charge g m RXN25 ARXN25 RXK25 20 10 7 5 20 RXN35 ARXN35 RXK35 20 10 7 5 20 RXN50 ARXN50 RXB50 RXK50 30 10 7 5 20 RXN60 ARXN60 RXB60 RXK60 30 10 7 5...

Страница 26: ...ling and Heating Mode Operation The system has 5 operating modes The mode selection is done through the indoor by using the handset The operating modes are Cool Heat Fan Auto Dry 2 2 1 Cooling Mode Wh...

Страница 27: ...e compressor will stop and outdoor fan stops based on fan OFF control Compressor only ON if the minimum stop time is 3 minutes and the user change back to cool mode Fan speed will maintain same as dur...

Страница 28: ...irst hour then automatically raises the target temperature slightly in case of cooling or lowers it slightly in case of heating This prevents excessive cooling in summer and excessive heating in winte...

Страница 29: ...on Available in HEAT and COOL modes only 2 9 Indoor Outdoor Communication Master by outdoor unit Indoor controller board will transmit signal to outdoor controller board every 0 5s Outdoor unit will r...

Страница 30: ...efrigerant from entering into evaporator 2 12 Auto Restart Factory pre set Allow unit to automatically resume the same operating mode it was in before a power failure 2 13 Auto Random Restart Unit res...

Страница 31: ...ist Applicable for PCB W_2_03D W_2_03E W_2_03E_M Refer product line up for model list Applicable for PCB W_2_04A W_2_04B For all class 50 class 60 Cut off the jumper J_AUTO to disable the Auto Random...

Страница 32: ...outdoor air temperature When compressor stops fan OFF delay of 30 seconds is carried out 2 16 Rotation Regulating Functions Upper limit rotation Limit rotation Command rotation Starting rotation T De...

Страница 33: ...180 54 420 72 180 90 120 2 16 2 Command Rotation Cut in upon termination of Starting Control Achieve capacity control by controlling the compressor rotation based on Temperature difference between se...

Страница 34: ...will be dropped with a timer setting Keep Frequency is maintained at lower upper limit Up Frequency will be increased with a timer setting Reset Frequency lower upper limit is canceled and returned t...

Страница 35: ...ed as a measure of the compressor s internal temperature Compressor frequency is control to keep this temperature from going up further when it rises above a certain level Discharge temperature Stop z...

Страница 36: ...r limit rotation in order to prevent circuit breakers from exceeding the rated capacity Detected during compressor running Current A L1 L2 L3 Stop zone Reset zone Frequency reduce zone Frequency remai...

Страница 37: ...king pattern does not indicate error details The error details needs to be retrieved from remote controller in error code form LED blinks here SLEEP RED COOL HEAT GREEN RED TIMER ORANGE Operation Faul...

Страница 38: ...ern does not indicate error details The error details needs to be retrieved from remote controller in error code form LED blinks here SLEEP ORANGE COOL HEAT BLUE RED TIMER WHITE Operation Fault Indica...

Страница 39: ...nking pattern does not indicate error details The error details needs to be retrieved from remote controller in error code form COOL HEAT TIMER BLUE RED VIOLET Operation Fault Indication Blue Cooling...

Страница 40: ...mote controller temperature display section 2 Then press the same button repeatedly A series of error code will appear until indoor buzzer produces a long beep The corresponding error code is indicate...

Страница 41: ...D blinks two times indicate received signal 7 ON hold fan button till screen become normal display 8 Repeat the normal step to retrieve error by using remote controller step Holding TIMER CANCEL 9 By...

Страница 42: ...ror code flashes as below e d o C r o r r E g n i h s a l F n o i t a r e p o l a m r o N In addition 7 segment also can be used to retrieve unit operating conditions such as running current DC voltag...

Страница 43: ...r s 02 DC Bus Voltage VDC 03 Total Current x10 A 04 Outdoor Air Temperature C 05 Outdoor Heat Exchanger Temperature C 06 Compressor Discharge Temperature C 07 Outdoor Heatsink Temperature C 08 Indoor...

Страница 44: ...OCK O O 11 E8 AC INPUT OVER CURRENT O O 12 EA 4 WAY VALVE ABNORMALITY O O 13 F3 DISCHARGE PIPE OVERHEAT O O 14 F6 HEAT EXCHANGER OVERHEAT O O 15 H0 COMPRESSOR SENSOR SYSTEM ABNORMAL O 16 H6 POSITION S...

Страница 45: ...indoor PCB 2 Faulty connector connection at indoor Troubleshooting No Any sign of loose or abnormal Yes Turn off unit Check indoor PCB connector conditions including PCB to terminal block and all PCB...

Страница 46: ...ir short circuit Does it conform to the thermistor resistance table Yes No Check indoor air flow Check intake air filter Check fan blower condition Change indoor thermistor Check the dust accumulate i...

Страница 47: ...Turn off power supply and rotate fan by hand No Connect correctly Change fan motor C4 Description INDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY Possible Root cause 1 Thermistor connector faulty 2 Indo...

Страница 48: ...ot cause 1 Thermistor connector faulty 2 Indoor PCB faulty Troubleshooting Yes Normal No Yes Normal Refer thermistor resistance table Page 72 item 6 1 Replace PCB Check thermistor resistance value Che...

Страница 49: ...se Momentary voltage drop Momentary power failure 2 Damage of EEPROM 3 Faulty outdoor unit PCB 4 Broken hardness between PCB Troubleshooting Error still occur No Yes Grounded Yes Turn on the power aga...

Страница 50: ...om PCB Replace electronic expansion or the coil Discharge pipe thermistor disconnected No Yes Insert thermistor in position Check resistance of 2 terminals connector S40 Malfunction Resistance between...

Страница 51: ...PCB defective 5 Water mixed in refrigerant Troubleshooting Compressor winding resistance 1 18 Refer page 74 item 6 3 Resistance No Yes Compressor stop without No Yes Change outdoor PCB Change compres...

Страница 52: ...Yes Correct power supply or replace outdoor unit PCB Check outdoor electronic expansion valve coil Replace it as required Emergency stop without compressor running No Yes Replace the compressor Yes Re...

Страница 53: ...CB Troubleshooting Turn on the power Check rotation pulse input on outdoor unit PCB Fan rotates smoothly No Yes Turn off power and reconnect connector Fan motor connector disconnected No Yes Foreign m...

Страница 54: ...rt circuit Troubleshooting Any abnormal Compressor faulty Yes Measure the input current Change outdoor Control Box Check with the inverter checker Check outdoor fan motor outdoor ambient temperature r...

Страница 55: ...alve coil Replace the defective thermistor s Malfunction Replace the outdoor unit PCB Reconnect the thermistor s Reconnect the harness Resistance between harnesses No Yes Any thermistor disconnected Y...

Страница 56: ...mistor Outdoor temperature thermistor Functioning Functioning Replace the defective thermistor s Check the refrigerant line Malfunction Refrigerant shortage Four way valve Water mixed Stop valve Funct...

Страница 57: ...installation condition Functioning Functioning Functioning Functioning Malfunction Change the installation location or direction Clean the outdoor heat exchanger Replace the outdoor fan motor Reconnec...

Страница 58: ...ed harness 2 Outdoor unit PCB defective 3 Defective compressor Troubleshooting Disconnect the reactor wire and measure resistance between terminal Any abnormal Yes No Check reactor connection Check re...

Страница 59: ...ossible Root cause 1 Broken and disconnected harness 2 Outdoor unit PCB defective Troubleshooting Is the harness broken Get restarted and error displayed again Yes No Turn off the power and turn it on...

Страница 60: ...e closed 5 Input voltage out of specification Troubleshooting Normal Compressor harness connected as specified No Yes Check for short circuit Check with inverter checker Check the electrolytic capacit...

Страница 61: ...ting Normal Electricals or compressor harnesses connected as specified No Yes Check for short circuit Check with inverter checker Check the electrolytic capacitor voltage Turn off the power Disconnect...

Страница 62: ...ck the connection Turn off the power Check with the inverter analyzer Turn off the power Disconnect the harnesses U V and W Turn on the power Check the electrolytic capacitor voltage Any LED off No Co...

Страница 63: ...efective Troubleshooting Remark This error is only applicable for model ARXN RXN50 60L and RXB50 60A Connection correct No Yes Change outdoor PCB Restart the system and check connector between main bo...

Страница 64: ...ooting Remark Refer to Appendix A for thernistor resistance check procedures Page 72 item 6 1 No Yes Turn on the power again Check the indoor heat exchanger thermistor resistance value in the heating...

Страница 65: ...1 Refer to Appendix A for outdoor fan system check Page 77 item 6 7 Refer to Appendix A for installation condition check Page 77 item 6 6 Models A C RXB50 60B 80 ARXN RXN25 35M 78 ARXN RXN50 60M 122 E...

Страница 66: ...for installation condition check Page 77 item 6 6 Yes Error displayed again s e Y s e Y No Turn off the power and turn it on again to start the system Has the PCB been replaced Above A C Check the rad...

Страница 67: ...efer to Appendix A for installation condition check Page 77 item 6 6 Stop valve fully open No Yes Check the installation condition Check with the inverter analyzer Check the power supply voltage Turn...

Страница 68: ...s Page 72 item 6 1 Refer to Appendix A for electronic expansion device checking procedures Page 74 item 6 2 Stop valve closed Yes No Yes No Yes Yes Yes Check indoor and outdoor coil thermistor Put the...

Страница 69: ...oubleshooting Is the voltage fluctuation within 10 from the rated value No Yes Yes Check the power supply voltage Turn on the power Check the connection of the compressor harness Yes Disturbance facto...

Страница 70: ...by hand Does the outdoor fan rotate smoothly Yes Yes Check the power supply voltage Check the indoor unit outdoor unit connection wires No Check the LED A on the outdoor unit PCB Check the power suppl...

Страница 71: ...rong outdoor unit PCB mounted or defective Troubleshooting OK No Yes Are the connecting wires connected properly Yes No Correct the connection Match the compatible models Matched compatibly No Yes Cha...

Страница 72: ...4 4 0 Wiring Connection Model FTXN25 35L RXN25 35L ATXN25 35L ARXN25 35L FTXN25 35MV1 RXN25 35MV1 FTXN25 35MV1B RXN25 35MV1B FTXN25 35MV1B9 RXN25 35MV1B9 ATXN25 35MV1B ARXN25 35MV1B L N E POWER SUPPLY...

Страница 73: ...Connection 65 Model ATXN25 35MV16 ARXN25 35MV16 ATXN25 35MV1B7 ARXN25 35MV1B7 ATXN20MV16 ARXN20MV16 1 2 SIG L N NOTATION FM FAN MOTOR AS AIR SWING MOTOR TH1 ROOM SENSOR L N E POWER SUPPLY 220 240V 1P...

Страница 74: ...Wiring Connection 66 Model FTXN25 35N RXN25 35N ATXN25 35N ARXN25 35N FTXK25 35A RXK25 35A FTXC25 35A RXC25 35A 1 2 SIG L N 1 2 SIG L N E POWER SUPPLY 220 240V 1Ph 50Hz...

Страница 75: ...Wiring Connection 67 Model FTXN50 60L RXN50 60L ATXN50 60L ARXN50 60L FTXB50 60A RXB50 60A L N E POWER SUPPLY 220 240V 1Ph 50Hz...

Страница 76: ...Wiring Connection 68 Model FTXN50 60M RXN50 60M FTXB50 60B RXB50 60B ATXN50 60M ARXN50 60M L N E POWER SUPPLY 220 240V 1Ph 50Hz...

Страница 77: ...60N ARXN50 60N FTXB50 60C RXB50 60C FTK50 60A RXK50 60A ATXB50 60C ARXB50 60C FTXC50 60A RXC50 60A OPTIONAL NOTATION FM FAN MOTOR AS AIR SWING MOTOR TH1 ROOM SENSOR Z1C Z2C FERRITE CORE FIELD WIRING 1...

Страница 78: ...rigerant Diagram 70 5 0 Refrigerant Diagram Model ATXN FTXN_L ARXN RXN_L FTXB_A RXB_A ATXN FTXN25 35M N ARXN RXN25 35M N FTXK25 35A RXK25 35A FTXC25 35A RXC25 35A Model FTXC50A RXC50A MUFFLER 3 WAY VA...

Страница 79: ...Refrigerant Diagram 71 Model FTXB_B RXB_B ATXN FTXN50 60 M N ARXN RXN50 60 M N FTXK50 60A RXK50 60A ATXB FTXB_C ARXB RXB_C...

Страница 80: ...lue refer to Resistance table below RXN ARXN50 60L RXB50 60A RXN ARXN25 35L RXN ARXN25 35 50 60M RXN ARXN25 35 50 60N RXB50 60B RXB ARXB50 60C RXC25 35 50 60C Indoor Wall Mounted 10 k Table 2 10 k Tab...

Страница 81: ...10 62 2 71 2 78 2 84 13 15 90 16 20 16 40 63 2 63 2 69 2 75 14 15 30 15 50 15 70 64 2 55 2 61 2 67 15 14 70 14 90 15 10 65 2 47 2 53 2 59 16 14 10 14 30 14 50 66 2 40 2 45 2 51 17 13 50 13 70 13 90 6...

Страница 82: ...the continuity is confirmed in step d outdoor PCB is faulty Harness 6P 6P Connector 1 k c e h C 0 2 S R106366 1 6 3 6 2 5 4 5 2 3 4 5 6 Harness 5P 6P Connector 5 1 k c e h C 0 2 S R106366 1 6 3 6 2 6...

Страница 83: ...l resistance at Yes Yes Replace outdoor PCB Replace four way valve coil No Refer Figure 1 below No Fig 1 Voltage at S80 220 240 VAC Compressor ON Time Four way valve coil Not Energized Heating Energiz...

Страница 84: ...e voltage of 320 30 V is applied 1 Set operation off and power off Disconnect the connector S71 2 Check that the voltage between the pins 4 7 is 320 VDC 3 Check that the control voltage between the pi...

Страница 85: ...r temperature The outdoor temperature should be within the operation range Is the airflow blocked by obstacles or winds blowing in the opposite direction No Change the installation location direction...

Страница 86: ...ester positive terminal for digital tester Power transistor UVW Power transistor UVW Positive terminal of tester negative terminal for digital tester UVW Power transistor UVW Power transistor Normal r...

Страница 87: ...aveform between No 1 Live and No 2 Neutral on the terminal board and check the waveform disturbance with osciloscope Check if the power supply waveform is a sine wave Fig 1 Check if there is waveform...

Страница 88: ......

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