Daikin FTKB09AXVJU Скачать руководство пользователя страница 69 | Manualshive

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Wiring Connection

61

4.0 Wiring Connection

Model: FTKB09/12AX-RKB09/12AX ; FTKN09/12AX-RKN09/12AX

1

2 SIG

L

1

L

2

GR

L

N

E

POWER SUPPLY

208/230V/1Ph/60Hz

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Содержание FTKB09AXVJU

Страница 1: ...JU FTKB18AXVJU RKB18AXVJU FTKB24AXVJU RKB24AXVJU FTKN09AXVJU RKN09AXVJU FTKN12AXVJU RKN12AXVJU FTKN18AXVJU RKN18AXVJU FTKN24AXVJU RKN24AXVJU Heatpump FTXB09AXVJU RXB09AXVJU FTXB12AXVJU RXB12AXVJU FTXB18AXVJU RXB18AXVJU FTXB24AXVJU RXB24AXVJU FTXN09AXVJU RXN09AXVJU FTXN12AXVJU RXN12AXVJU FTXN18AXVJU RXN18AXVJU FTXN24AXVJU RXN24AXVJU ...

Страница 2: ......

Страница 3: ...Eco Function 20 2 10 Powerful Function 21 2 11 Indoor Outdoor Communication 21 2 12 Thermistors in RK X B RK X N 22 2 13 Minimum Off Time Control 23 2 14 Auto Restart 23 2 15 Auto Random Restart 23 2 16 Four Way Valve Control 24 2 17 Outdoor Fan Control 24 2 18 Rotation Regulating Functions 25 2 19 Defrost Cycle 26 2 20 Indoor Coil Freeze Prevention 27 2 21 High Pressure Protection 27 2 22 Dischar...

Страница 4: ...Table of Contents ii 4 0 Wiring Connection 61 5 0 Refrigerant Diagram 65 6 0 Appendix A 67 ...

Страница 5: ...e 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 repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the discharging refrigerant gas...

Страница 6: ...ical 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 The water inside the unit can spill and wet the furniture and floor Be sure to check that the refrigerating cycle section has cooled down sufficiently before conducting repair work Working on the unit...

Страница 7: ...ct 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 excessive heat generation or fire When connecting the cable 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 ...

Страница 8: ...an 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 shock excessive heat generation or fire Caution Check to see if the parts and wires are mounted and connected properly and if the connections at the soldered or crimped terminals are secure Improper...

Страница 9: ...arking Others BRC52A61 BRC52A62 BRC52B63 BRC52B64 W_2_03C W_2_03D W_2_03E W_2_03E_M W_2_04A W_2_04B Saranet Filter Titanium Apatite UL CE Auto Restart FTKB09 12AXVJU X X X X X X FTKN09 12AXVJU X X X X X FTKB18 24AXVJU X X X X X X FTKN18 24AXVJU X X X X X FTXB09 12AXVJU X X X X X X FTXN09 12AXVJU X X X X X FTXB18 24AXVJU X X X X X X FTXN18 24AXVJU X X X X X ...

Страница 10: ...ain PCB ADGPA34 Main PCB Y364 Filter PCB YV62 EXV Hydrophilic Blue Hydrophilic Gold DC Inverter Swing UL CE Drain Elbow RKB09 12AXVJU X X X X X RKN09 12AXVJU X X X X X RKB18 24AXVJU X X X X X X RKN18 24AXVJU X X X X X X RXB09 12AXVJU X X X X X X RXN09 12AXVJU X X X X X X RXB18 24AXVJU X X X X X X X RXN18 24AXVJU X X X X X X X ...

Страница 11: ...2AXVJU 1 2 1 1 Main PCB 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 for wired controller 7 A7 Connector for signal receiver PCB 8 A8 Connector for heat exchanger thermistor A1 A2 A3 A4 A5 A6 A7 A8 ...

Страница 12: ...n on PCB Description 1 A1 Operational LED 2 A2 Connector for Control PCB 3 A3 Remote controller signal receiver 4 A4 Operation ON OFF switch 5 A5 Buzzer A1 A2 A3 A4 A5 Applicable Model FTKB09 12AXVJU FTXB09 12AXVJU Applicable Model FTKN09 12AXVJU FTXN09 12AXVJU ...

Страница 13: ...VJU FTXN18 24AXVJU 1 2 2 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 for fan motor feedback 4 A4 Fuse 5 A5 Varistor 6 A6 Connector for wired controller 7 A7 Connector for signal receiver PCB ...

Страница 14: ...n on PCB Description 1 A1 Operational LED 2 A2 Connector for Control PCB 3 A3 Remote controller signal receiver 4 A4 Operation ON OFF switch 5 A5 Buzzer A1 A2 A3 A4 A5 Applicable Model FTKB18 24AXVJU FTXB18 24AXVJU Applicable Model FTKN18 24AXVJU FTXN18 24AXVJU ...

Страница 15: ...2 3 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 main PCB 5 HL4 HN4 Connector for S12 on main PCB 6 FU1 Fuse 3 15A 250V 7 FU3 Fuse 30A 250V 8 V2 V3 Varistor ...

Страница 16: ...er Single Split 8 1 2 4 Outdoor PCB RKB18 24AXVJU RKN18 24AXVJU RXB18 24AXVJU RXN18 24AXVJU 1 2 4 1 Filter PCB Item Indication on PCB Description 1 S11 Connector for indoor PCB 2 FU3 Fuse 20A 3 V2 V3 Varistor ...

Страница 17: ...ctronic 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 heat exchanger discharge pipe 7 HL3 HN3 Connector for filter PCB 8 FU1 FU2 Fuse 3 15A 9 LED A Service monitor LED green 10 V1 Varistor ...

Страница 18: ...Additional charge oz ft g m RK X B09AX RK X N09AX 65 6 20 32 8 10 25 7 6 0 21 20 RK X B12AX RK X N12AX 65 6 20 32 8 10 25 7 6 0 21 20 RK X B18AX RK X N18AX 98 4 30 32 8 10 25 7 6 0 21 20 RK X B24AX RK X N24AX 98 4 30 32 8 10 25 7 6 0 21 20 Remark The refrigerant pre charged in the outdoor unit is for piping length up to 25ft 7 6m Outdoor Unit L E Indoor unit ...

Страница 19: ... 16 30 1 13 16 46 2 3 16 55 2 3 16 56 6 153 7 1 8 181 8 1 8 207 2 1 16 52 A B FRONT VIEW TOP VIEW C SIDE VIEW B THE MARK SHOWS PIPING DIRECTION REAR REAR RIGHT LEFT BOTTOM BOTTOM FRONT GRILLE FIXED SCREWS INSIDE LOUVER SIGNAL RECEIVER INDOOR UNIT ON OFF SWITCH ROOM TEMPERATURE THERMISTOR INSIDE NAME PLATE TERMINAL BLOCK WITH EARTH TERMINAL F K F 09 12 Note Dimension in inch mm FOR ILLUSTRATIVE PUR...

Страница 20: ... L M 18 24 1 3 4 45 1 7 8 48 3 9 16 91 8 5 8 219 22 13 16 580 1 3 4 45 A B FRONT VIEW TOP VIEW C SIDE VIEW B THE MARK SHOWS PIPING DIRECTION REAR REAR RIGHT LEFT BOTTOM BOTTOM FRONT GRILLE FIXED SCREWS INSIDE LOUVER SIGNAL RECEIVER INDOOR UNIT ON OFF SWITCH ROOM TEMPERATURE THERMISTOR INSIDE NAME PLATE TERMINAL BLOCK WITH EARTH TERMINAL Note Dimension in inch mm FOR ILLUSTRATIVE PURPOSES ONLY ...

Страница 21: ... F G H I 09 12 21 5 8 550 22 15 16 658 2 51 7 16 11 10 3 4 273 5 8 16 9 16 14 18 1 2 470 3 3 4 96 Dimension Model J K L M N O P Q 09 12 3 11 16 93 3 11 16 94 2 3 8 60 9 16 14 5 1 4 133 5 16 8 3 8 10 11 3 4 299 E B H N Q K G A M C D J 2 0 O P F L I Note Dimension in inch mm FOR ILLUSTRATIVE PURPOSES ONLY ...

Страница 22: ...4 33 11 16 855 28 3 4 730 12 15 16 328 20 1 2 520 7 1 16 179 1 13 16 46 4 101 4 7 16 113 23 3 4 603 4 15 16 126 Dimension Model K L M N O P Q R S T 18 6 7 16 164 9 16 15 1 5 16 34 15 16 23 14 1 4 362 2 7 8 73 2 15 16 75 5 16 8 2 5 8 67 1 4 7 24 6 7 16 164 9 16 15 1 5 16 34 15 16 23 14 1 4 362 2 7 8 73 2 15 16 75 5 16 8 2 5 8 67 1 4 7 3 0 N C E F D A B Note Dimension in inch mm FOR ILLUSTRATIVE PUR...

Страница 23: ...m 1 4 6 35 1 4 6 35 1 4 6 35 1 4 6 35 Gas in mm 3 8 9 52 3 8 9 52 1 2 12 70 5 8 15 88 Operation Range F 50 115 50 115 14 115 14 115 Model Indoor unit FTKN09AXVJU FTKN12AXVJU FTKN18AXVJU FTKN24AXVJU Outdoor unit RKN09AXVJU RKN12AXVJU RKN18AXVJU RKN24AXVJU Nominal Cooling Capacity Min Max Btu h 8800 4400 10200 11000 4400 13000 18000 4300 21200 21200 6000 22200 W 2570 1300 3000 3220 1300 3800 5270 12...

Страница 24: ... 9 52 1 2 12 70 5 8 15 88 Operation Range Cooling F 50 115 50 115 14 115 14 115 Heating F 5 64 4 5 64 4 5 64 4 5 64 4 Model Indoor unit FTXN09AXVJU FTXN12AXVJU FTXN18AXVJU FTXN24AXVJU Outdoor unit RXN09AXVJU RXN12AXVJU RXN18AXVJU RXN24AXVJU Nominal Cooling Capacity Min Max Btu h 8800 4400 10200 11000 4400 13000 18000 4300 21200 21200 6000 22200 W 2570 1300 3000 3220 1300 3800 5270 1260 6200 6210 1...

Страница 25: ...ng Mode Operation The system has 5 operating modes The mode selection is done through the indoor by using the remote controller The operating modes are Cool Heat Fan Auto Dry 2 2 1 Cooling Mode When Tr Ts 1 5 C 2 7 F Compressor Indoor Fan and Outdoor Fan ON When Tr Ts 2 C 3 6 F Compressor and Outdoor Fan OFF Indoor Fan remained ON Tr Room Temperature Ts Set Temperature When cooling load is too sma...

Страница 26: ...puter controls both the temperature and airflow rate the temperature adjustment and FAN setting buttons are inoperable The microcomputer automatically sets the temperature and airflow rate The difference between the room thermistor temperature at start up and the target temperature is divided into two zones Then the unit operates in an appropriate capacity for each zone to maintain the temperature...

Страница 27: ... automatically determines the operation mode as cooling or heating according to the room temperature and the set temperature at start up The unit automatically switches the operation mode to maintain the room temperature at the set temperature For heat pump only Mode switching point From Heating to Cooling Tr Ts 2 5 C 4 5 F From Cooling to Heating Tr Ts 2 5 C 4 5 F During initial operation Cooling...

Страница 28: ...C 1 8 F 2 8 Quiet function Press for quiet operation for FTK X B AX models or for FTK X N AX models for quiet operation Fan speed turns to minimum speed Press again to deactivate the function Available in HEAT and COOL modes only Any change of fan speed will deactivate this function 2 9 ECO function Applicable for FTK X B AX models Press for eco friendly mode cooling or heating operation Set tempe...

Страница 29: ...2 11 Indoor Outdoor Communication Master by outdoor unit Outdoor controller board will transmit signal to Indoor controller board Indoor unit will response to outdoor once the valid data is received Indoor Outdoor Send Signal Send Signal If data communication line between Indoor and Outdoor is disrupted for a period of time min 15s max 300s the compressor will stop Outdoor fan stop with fan OFF ti...

Страница 30: ... is used for controlling the target discharge pipe temperature The system sets the target discharge pipe temperature according to the outdoor and indoor heat exchanger temperature and controls the Electronic Expansion Valve EXV opening so that the target discharge pipe temperature can be obtained 2 In cooling operation the indoor heat exchanger thermistor is used for freeze up protection control I...

Страница 31: ...it is not able to restart with last state memory after power resume from failure 2 15 Auto Random Restart Unit restarts automatically in 64 different recovery timing patterns within 180 seconds to 244 seconds and operates based on the previous setting operating mode temperature setting and fan speed To disable the auto random restart function cut off the jumper J_AUTO as highlighted in attachment ...

Страница 32: ... the pressure difference during cooling operation with low outdoor temperature When the pressure difference is low the rotation speed of the outdoor fan is reduced When the pressure difference is high the rotation speed of the outdoor fan is controlled as well as normal operation e Fan speed control during forced cooling operation The outdoor fan is controlled as well as normal operation during fo...

Страница 33: ...rting current When compressor starts to rotate from OFF to ON compressor rotation is set to run gradually to each upper limit at a specific timer setting Model a Hz Time s b Hz Time s c Hz Time s d Hz Time s Max Hz Time s RK X B09 12AXVJU RK X N09 12AXVJU 40 180 54 420 72 180 90 120 RK X B18 24AXVJU RK X N18 24AXVJU 55 120 70 200 85 470 2 18 2 Command Rotation Cut in upon termination of Starting C...

Страница 34: ...eset Frequency lower upper limit is canceled and returned to command rotation 2 19 Defrost Cycle Defrosting is carried out by the cooling cycle reverse cycle The defrosting time or outdoor heat exchanger temperature must be more than a certain value to finish defrosting During defrost All models Compressor ON 4 way valve OFF EXV in operation room Fixed opening Outdoor fan OFF Indoor fan OFF Condit...

Страница 35: ...ressor will stop outdoor fan stop after 30s and indoor fan can only run at lowest fan speed The unit can only be restarted after 3 minutes When the indoor coil temperature 13 C 55 4 F the compressor frequency will be reset based on the outdoor ambient room and set temperature 2 21 High Pressure Protection To prevent high pressure in the system Compressor operating frequency is adjusted based on up...

Страница 36: ... compressor frequency will be reset based on the outdoor ambient set and room temperature More detail information i e based on ambient give the temperatures 2 23 Overall Current Control To monitor the overall current and to restrict the compressor upper limit rotation in order to prevent circuit breakers from exceeding the rated capacity Detected during compressor running Current A L1 L2 L3 Stop z...

Страница 37: ...mperature freeze up protection 3 Determine lower limit frequency The maximum value is set as a lower limit frequency among the frequency lower limits of the following function Pressure difference upkeep 4 Determine prohibited frequency There is a certain prohibited frequency such as a power supply frequency For Heat Pump Model 1 Determine command frequency Command frequency is determined in the fo...

Страница 38: ...e frequency previously calculated 2 I control If the operating frequency does not change for more than a certain fixed time the frequency is adjusted according to D value When the D value is low the frequency is lowered When the D value is high the frequency is increased 3 Frequency control when other controls are functioning When frequency is dropping Frequency control is carried out only when th...

Страница 39: ...blinking pattern 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 Indication Blue Cooling mode Red Heating mode Red Auto mode in heating operation Blue Auto mode in cooling operation Timer On Sleep mode on Blue Fan mode on Blue Dry mode on Red Defrost operati...

Страница 40: ...linking 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 mode Red Heating mode Red Auto mode in heating operation Blue Auto mode in cooling operation Violet Timer On Blue Fan mode on Blue Dry mode on Red Defrost operation Blue Error indication ON Blinking...

Страница 41: ...e remote controller error code matched with unit error 4 A short and two consecutive beeps is not the unit error For two consecutive beeps it indicates either the alphabet or number is correct 5 The code display will cancel itself if the button is not pressed for 1 minute Last State Error retrieved by remote controller BRC52A BRC52B Operating Guide 1 Remove battery from remote controller 2 Replace...

Страница 42: ...T OVER CURRENT O 12 EA 4 WAY VALVE ABNORMALITY O 13 F3 DISCHARGE PIPE OVERHEAT O 14 F6 HEAT EXCHANGER OVERHEAT O 15 H0 COMPRESSOR SENSOR SYSTEM ABNORMAL O 16 H6 POSITION SENSOR ABNORMAL COMPRESSOR O 17 H8 AC CURRENT SENSOR ABNORMALITY O 18 H9 OUTDOOR AIR THERMISTOR ABNORMALITY O 19 J3 COMPRESSOR DISCHARGE PIPE THERMISTOR ABNORMALITY O 20 J6 OUTDOOR HEAT EXCHANGER THERMISTOR ABNORMALITY O 21 L3 ELE...

Страница 43: ... 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 wire connector Replace indoor PCB and operate again Connect correctly and operate again ...

Страница 44: ...air 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 indoor coil No Yes Change indoor PCB Provide sufficient air passage Is it very dirty Yes No Clean the air filter Check indoor coil thermistor resistance Is it very dirty Yes Refer to thermistor resist...

Страница 45: ...r 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 Indoor PCB faulty Troubleshooting Normal No Yes Normal Refer thermistor resistance table Page 67 item 6 1 Replace PCB Check thermistor resistance value Check the thermistor connector condition No Replace...

Страница 46: ...oot cause 1 Thermistor connector faulty 2 Indoor PCB faulty Troubleshooting Yes Normal No Yes Normal Refer thermistor resistance table Page 67 item 6 1 Replace PCB Check thermistor resistance value Check the thermistor connector condition No Replace thermistor Correct the connection ...

Страница 47: ...ise 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 again Replace the harness Check if the outdoor unit is grounded No Ground the system Is the harness broken Replace outdoor PCB Replace outdoor PCB No Yes ...

Страница 48: ...onic expansion or the coil Discharge pipe thermistor disconnected No Yes Insert thermistor in position Check resistance of 2 terminals connector S40 Malfunction Resistance between 2 Disconnect 2 terminals of OL Replace outdoor PCB No Refer to thermistor resistance table Page 67 item 6 1 Replace thermistor Refer refrigerant line check procedures Connectors properly connected Yes Check electronic ex...

Страница 49: ... 5 Water mixed in refrigerant Troubleshooting Compressor winding resistance 1 18 Refer page 69 item 6 3 Resistance No Yes Compressor stop without No Yes Change outdoor PCB Change compressor Turn off unit Disconnect compressor wire hardness U V W and check winding on unit Check expansion Yes No Yes Yes No check procedures No Check four Check Refer page 69 item 6 2 Refer page 70 item 6 4 68 F ...

Страница 50: ... 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 Replace the compressor System shut down after errors repeated several times No Turn off power Disconnect harnesses U V and W Turn off power and reconnect harnesses Turn on power again and restart syste...

Страница 51: ...PCB 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 matters in or arround fan No Rotate the fan Yes Remove foreign matters Replace outdoor fan motor Yes Replace outdoor PCB Pulse signal generated No Replace outdoor fan motor Remark Refer Appendix A for...

Страница 52: ...ort 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 refrigerant charge level Turn off the power and disconnect the harness U V and W No Refer to the type of abnormality and conduct proper service Yes Change Compressor Input current flowing above its st...

Страница 53: ...efective thermistor s Malfunction Replace the outdoor unit PCB Reconnect the thermistor s Reconnect the harness Resistance between harnesses No Yes Any thermistor disconnected Yes No Check the thermistors Malfunction Functioning Refer to the refrigerant line check procedure Replace the four way valve defective or dust clogged Check the refrigerant line Malfunction Functioning Four way valve coil d...

Страница 54: ...rmistor Outdoor temperature thermistor Functioning Functioning Replace the defective thermistor s Check the refrigerant line Malfunction Refrigerant shortage Four way valve Water mixed Stop valve Functioning Refer to the refrigerant line check procedure Replace the electronic expansion valve or the coil Malfunction Replace the outdoor unit PCB Remark Refer to Appendix A for thermistor resistance c...

Страница 55: ... installation condition Functioning Functioning Functioning Functioning Malfunction Change the installation location or direction Clean the outdoor heat exchanger Replace the outdoor fan motor Reconnect the connector or fan motor lead wires Replace the electronic expansion valve or the coil Replace the outdoor unit PCB Check the outdoor heat exchanger thermistor Malfunction Remark Refer to Appendi...

Страница 56: ... 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 reactor resistance Check compressor resistance Change outdoor PCB Yes No Change reactor Yes No Change Compressor Connect back reactor ...

Страница 57: ... 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 again Yes No problem Keep on running No Replace the harness Replace the PCB Check the harness S30 ...

Страница 58: ... 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 the harness U V and W Replace the outdoor unit PCB outdoor unit fan DC320 30 V No Yes No Any LED off Yes Correct the power supply or replace the outdoor unit PCB No Reconnect as specified Inverter checke...

Страница 59: ... 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 Correct the power supply or replace the outdoor unit PCB Reconnect the electrical components or compressor harnesses as specified Electrical components or compressor harnesses connected as specified No Invert...

Страница 60: ...unit PCB defective Troubleshooting Remark This error is only applicable for model Class 18 24 Connection correct No Yes Change outdoor PCB Restart the system and check connector between main board and IPM board Check compressor harness connection Does it connect properly No Yes Reconnect it properly Reconnect it correctly ...

Страница 61: ...hooting Remark Refer to Appendix A for thernistor resistance check procedures Page 67 item 6 1 No Yes Turn on the power again Check the indoor heat exchanger thermistor resistance value in the heating operation Check the thermistor resistance value Normal J3 error the discharge pipe temperature is lower than the heat exchanger temperature Cooling Outdoor heat exchanger temperature Heating Indoor h...

Страница 62: ... 6 1 Refer to Appendix A for outdoor fan system check Page 72 item 6 7 Refer to Appendix A for installation condition check Page 71 item 6 6 Models A C F Class 09 12 78 172 4 class 18 24 122 251 6 Error again No Yes Check heat sink thermistor resistance Change heat sink or check outdoor fan condition Turn off the unit and turn on back after 20 mins Resistance normal Heat sink temperature A C No Ye...

Страница 63: ... Appendix A for installation condition check Page 71 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 radiation fin temperature Check the outdoor fan Malfunction No Functioning Radiation fin dirty Yes Check if silicon grease is applied properly on the radiation fin If not apply the silicon gr...

Страница 64: ...Refer to Appendix A for installation condition check Page 71 item 6 6 Stop valve fully open No Yes Check the installation condition Check with the inverter analyzer Check the power supply voltage Turn off the power and turn it on again to start the system See if the same error occurs No Turn off the power and reconnect the harnesses Turn on the power again and start operation Turn off power and di...

Страница 65: ...es Page 67 item 6 1 Refer to Appendix A for electronic expansion device checking procedures Page 69 item 6 2 Stop valve closed Yes No Yes No Yes Yes Yes Check indoor and outdoor coil thermistor Put the thermistor back to actual position Check the indoor coil outdoor coil and discharge pipe thermistor resistance Thermistor in actual position Resistance normal EXV functioning Any leakage No Fully op...

Страница 66: ...roubleshooting 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 factors Noise Power supply distortion Replace the outdoor fan motor and the outdoor unit PCB Check for such factors for a long term Loose or disconnected Does the outdoor fan rotate smoothly System restar...

Страница 67: ... 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 supply waveform Check the voltage of the connection wires on the indoor terminal board between No 1 L and SIG and between No 2 N and SIG Replace the connection wires between the indoor unit and outdoor un...

Страница 68: ...Wrong 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 Change for the correct PCB Replace the indoor unit PCB or the outdoor unit PCB Check the combination of the indoor and outdoor unit Check the indoor and outdoor PCB part number ...

Страница 69: ...Wiring Connection 61 4 0 Wiring Connection Model FTKB09 12AX RKB09 12AX FTKN09 12AX RKN09 12AX 1 2 SIG L1 L2 GR L N E POWER SUPPLY 208 230V 1Ph 60Hz ...

Страница 70: ...Wiring Connection 62 Model FTKB18 24AX RKB18 24AX FTKN18 24AX RKN18 24AX NOTATION FM FAN MOTOR AS AIR SWING MOTOR TH1 ROOM SENSOR FIELD SUPPLY WIRING L N E POWER SUPPLY 208 230V 1Ph 60Hz ...

Страница 71: ...Wiring Connection 63 Model FTXB09 12AX RXB09 12AX FTXN09 12AX RXN09 12AX L N E POWER SUPPLY 208 230V 1Ph 60Hz ...

Страница 72: ...Wiring Connection 64 Model FTXB18 24AX RXB18 24AX FTXN18 24AX RXN18 24AX NOTATION FM FAN MOTOR AS AIR SWING MOTOR TH1 ROOM SENSOR FIELD SUPPLY WIRING L N E POWER SUPPLY 208 230V 1Ph 60Hz ...

Страница 73: ...Refrigeramt Diagram 65 5 0 Refrigerant Diagram Model FTKB09 12AX RKB09 12AX FTKN09 12AX RKN09 12AX Model FTKB18 24AX RKB18 24AX FTKN18 24AX RKN18 24AX ...

Страница 74: ...Refrigerant Diagram 66 Model FTXB09 12AX RXB09 12AX FTXN09 12AX RXN09 12AX Model FTXB18 24AX RXB18 24AX FTXN18 24AX RXN18 24AX ...

Страница 75: ...ester Resistance range Resistance value refer to Resistance table below Class 09 12 18 24 Indoor Wall Mounted 10 kΩ Table 2 Outdoor Outdoor Split 10 kΩ Table 2 Table 1 Resistance R25 20 kΩ Temperature C Temperature F Resistance value kΩ 20 4 211 0 15 5 150 0 10 14 116 5 5 23 88 0 0 32 67 2 5 41 51 9 10 50 40 0 15 59 31 8 20 68 25 0 25 77 20 0 30 86 16 0 34 95 13 0 40 104 10 6 45 113 8 7 50 122 7 2...

Страница 76: ...4 15 90 16 20 16 40 63 145 4 2 63 2 69 2 75 14 57 2 15 30 15 50 15 70 64 147 2 2 55 2 61 2 67 15 59 0 14 70 14 90 15 10 65 149 0 2 47 2 53 2 59 16 60 8 14 10 14 30 14 50 66 150 8 2 40 2 45 2 51 17 62 6 13 50 13 70 13 90 67 152 6 2 32 2 38 2 44 18 64 4 13 00 13 20 13 30 68 154 4 2 25 2 31 2 37 19 66 2 12 50 12 70 12 80 69 156 2 2 19 2 24 2 30 20 68 0 12 00 12 20 12 30 70 158 0 2 12 2 17 2 23 21 69 ...

Страница 77: ... 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 4 6 2 3 4 5 6 6 3 Four way valve performance checking procedures 6 3 1 Class 09 12 Turn power off and then on again Disconnect four way valve coil from connector and check the continuity Start heatin...

Страница 78: ...il 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 Energized 6 4 Inverter unit refrigerant check procedures Check for refrigerant leakage See troubleshooting for U0 error Refrigerant system check Is the discharge pipe thermistor disconnected from the holder...

Страница 79: ...B If NG in step 4 Defective Hall IC and replace the outdoor fan motor If OK in both steps 2 and 4 replace the outdoor unit PCB 1 2 3 4 5 6 7 PCB S71 Actual rotation pulse input 0 15 VDC 320 VDC Control voltage 15 VDC Rotation command voltage 0 6 5 VDC 6 6 Installation condition check Is the discharged air short circuited Is the outdoor heat exchanger very dirty Yes Installation condition check Cha...

Страница 80: ... the compressor connector with a multi tester Evaluate the measurement results for a pass fail judgment Power transistor check Negative terminal of tester 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 resistance Several kΩ to several MΩ Unacceptable res...

Страница 81: ...r supply waveform between No 1 Live and No 2 Neutral on the terminal board and check the waveform disturbance with oscilloscope Check if the power supply waveform is a sine wave Fig 1 Check if there is waveform disturbance near the zero cross sections circled in Fig 2 2 g i F 1 g i F 4 4 4 1 R 6 2 7 1 R ...

Страница 82: ... port Gas stop valve Liquid stop valve Valve cap Close 6 10 1 2 Forced Cooling Operation Item Forced Cooling Conditions The forced cooling operation is allowed when both the following conditions are met 1 The outdoor unit is not abnormal and not in the 3 minute standby mode 2 The outdoor unit is not operating Start Press the forced cooling operation ON OFF button SW1 on the indoor unit for 5 secon...

Страница 83: ...y be disable in either operation mode depending on the room temperature After trial operation is complete set the temperature to a normal level 26 28 C 78 8 82 4 F in cooling 20 24 C 68 75 2 F in heating For protection the system does not start for 3 minutes after it is turned off 6 10 3 Field Settings 6 10 3 1 Temperature Display Switch Y ou can select Fahrenheit or Celsius for temperature displa...

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