Gree Ducted GFH Maintenance & Faults Manual
Contents
1. Check if the wiring Check if the high No pressure IS of high pressure pressure switch higher than switch is correct works normally P Yes Yes Check if the Replace ete a joni mainboar liquid a m No Completely open the liquid m kx H valve and gas valve of outdoor unit completely Yes en lear the obstacle at indoo outlet of outdoor Vs and outdoor air outlet or air return port to ensure smooth air outlet fan motor or indoor fan motor is normal No Check if the indoor and outdoor operating ambient temperature is Operate the unit in normal ambient temperature range specified in user s manual 74 U Match Series DC Inverter Service Manual E2 Freeze Protection Freeze protection is normal protection but not abnormal malfunction If freeze protection occurs frequently during operation please check if the indoor filter is with filth blockage or if the indoor air outlet is abnormal The user is required to clean the filter check the air outlet and air return pipe periodically to ensure smooth air return and air outlet E3 stands for three statuses 1 Low pressure protection 2 Refrigerant lacking protection 3 Refrigerant recycling mode 1 If enter refrigerant recycling mode through special operation the displayed is not an error code It will be eliminated when exiting refrigerant recycling mode 2 If you do n2. P8 is displayed in the mainboard 88 Indicating lamp Is the IPM or PFC module of mainboard tightened Replace the Tighten the IPM mainboard or PFC module Work normally lt 81 U Match Series DC Inverter Service Manual PH DC busbar over voltage protection PL DC busbar under voltage protection PH or PL is displayed on the wired controller Replace the mainboard Does it work normally PH or PL is displayed in the mainboard 88 indicating lamp Replace the compressor s input voltage ranged from 185VAC to 264VAC Yes No y MN beum e normally y power company P6 Drive to main control communication error Lc Compressor Startup Failure Lc is displayed on the wired controller Lc is displayed in the mainboard 88 indicating lamp Replace the mainboard Does it work normally Yes Replace the compressor Work normally 82 U Match Series DC Inverter Service Manual P5 Compressor current protection H5 IPM protection Ld Phase loss 9 6 H7 Compressor motor desynchronizing P5 H7 H5 or Ld is displayed on the wired controller indicating lamp P5 H7 H5 or
3. ii Replace the discharge temperature sensor Check if the discharge temperature around compressor discharge temperature sensor exceeds 115 C 239 Check if the discharge temperature sensor is normal No Yes Replace the outdoor main control board Yes Check if there is leakage in the system pipeline weld the leakage point and recharge refrigerant after vacuum pumping and pressure retaining are passed E6 Communication Malfunction Communication malfunction Check if the communication wire between indoor unit and outdoor unit is connected well No Reconnect the communication wire Check if there is open circuit in the communication wire between indoor unit and outdoor unit Yes Replace the communication wire Check if the outdoor unit is energized the Energize the i outdoor unit 76 U Match Series DC Inverter Service Manual 9 Full Water Protection E9 protection Short circuit the full water Be I No protection interface on indoor mainboard according to the circuit water pump diagram Yes Check ifthe No water pump Replace the water pump works normally Yes Replace the full water switch or make sure the float of full water switch works normally FO Malfunction of Indo
4. Ld is displayed in the mainboard 88 Is the compressor phase sequence right Is the compressor wire terminals tightened eplace the mainboard adjust the compressor phase sequence Tighten the compressor wire terminals Does it work normally Replace the compressor gt Work normally PU Charging circuit error PU is displayed on the wired controller I PU is displayed in the mainboard 88 indicating lamp Yes Replace the mainboard Is the PFC wire tightened or is the sequence right E Tighten the PFC wire or adjust the sequence Work normally 83 U Match Series DC Inverter Service Manual eedriving board chip error ee is displayed on the wired controller Is the jumper loose Tighten the jumper Replace the mainboard Work Normally lt H6 DC fan error H6 is displayed on the wired controller H6 is displayed in the mainboard 88 indicating lamp s the motor phase sequence right Adjust the motor phase sequence the Fan wire termina loose Tighten the fan wiring terminal Replace the mainboard Does it wo
5. Series DC Inverter Service Manual Malfunction of Outdoor Ambient Temperature Sensor Malfunction of outdoor ambient temperature sensor Check if the outdoor ambient temperature sensor on mainboard is inserted on the needle stand correctly No Correctly insert the temperature sensor on the needle stand y Disconnect the temperature sensor and measure if its resistance is normal Replace the temperature sensor Yes Replace the outdoor mainboard F4 Malfunction of Discharge Temperature Sensor Malfunction of discharge temperature sensor Check if the Correctly insert the discharge temperature sensor on k temperature sensor mainboard is inserted on the amne mess seine needle stand correctly Disconnect the temperature sensor and No gt Replace the measure if its resistance is temperature sensor Replace the outdoor mainboard 79 U Match Series DC Inverter Service Manual F5 Malfunction of Wired Controller Temperature Sensor Malfunction of wired controller temperature sensor Replace the wired controller H6 Malfunction of Outdoor Fan Motor Malfunction of discharge temperature sensor Check if the control wire of outdoor fan motor is connected on the outdoor mainboard correctly Co
6. m 15K TEMP SENSOR L 08 TEMP SENSOR Jumper cap needs to be connected if there is a Jumper cap on unit s main board ELECTRIC COMPONENT POSITION MAP 12 1 L1 1 1 2 12 2 E 1 Y AP4 W12 W13 W14 2525 D D h art Lok 2 ok ER y L11 ck U 63625200065 fees es w15 L Dre The actual wiring should always refer to the wiring diagram of the unit 3 2 1 Duct Type Model GFH24S3GI Commom Open OUTDOOR UNIT 21 LOA WIRE X1 CONTROL AP2 X2 AC_N X500 AC_L X501 N2 X6 V NEW CLOSE X2 V NEW OPEN X1 DC MOTOR1 17 YEGN PE 15 WH Environment Pipe Temp Sensor Temp Sensor 92 U Match Series DC Inverter Service Manual 2453 1 63625200067 AC N X500 AC L X501 N2 X6 V NEW CLOSE X2 V NEW OPEN X1 AP1 DC MOTOR1 Close Fresh Air Valve Commom Open OUTDOOR UNIT um m WIRE 1 17YEGN CONTROL AP2 X2 e PE LIQUID Environment SWING PUMP MOTOR Temp Sensor Temp Sensor Model GFH36S3GI GFH42S3GI GFH48S3GI GFH60S3GI INDOOR UNIT COOL PLASMA vEGN P Ae AC N X500 AC L X501 HEALTH X4 N2 X6 N2 X6 V NEW CLOSE X2 V NEW OPEN X1 DC MOTOR1 Fresh Air Valve Commom Open ourbooR OU 2 40 mm WIRE X1 CONTROL 2 Xe XT1 N En
7. pin 15V 2 MEC 4 pin 15V 5 pin Signal control in C pea hate 6 pin Signal Feedback 65 DC fan motor feedback Power supply interface to the drive CN3 a power output 1 GND 2 18 1 2 18 3 pin 15V Communication line 1 3 3V 2 Communication needle stand of COMMI 3 RX 4 GND main control drive 1 pin 3 3V 2 pin TXD U Match Series DC Inverter Service Manual ee Communication needle stand CN Communication line with1 pin with indoor unit 2 pin B and 3 pinA 1 GND 2 3 pin Communication interface CN1 Communication line with 1 pin plus reserved 12V 2 pin B 3 pin A and 4 pin GND 1 pin 12V 2 pin B 3 pin A 4 pin GND adjustment fan speed adjustment protection obligate protection 1 Low pressure switch for system Interface of low pressure 12 LPP protection obligate protection OVC COMP Compressor overload protection Interface compressor overload protection 1 amp 2 pin Case temperature sensor 1 amp 2 pin Tube sensor T SENSOR2 3 amp 4 pin Ambient temperature Tu onn Dp 5 amp 6 pin Air discharge an 5 amp 6 Discharge temperature sensor Interface of electronic Electronic expansion valve line expansion valve FA 1 to Drive impulse output 5 pin 1 to 4 pin Drive impulse output 12V T 5 pin 12V HEAT Compressor electrical heater u Chassis electrical heat
8. E LOUT 00 Ei DRIVEBOARD M COMPRESSOR BAND HEATER BOTTOM BAND HEATER up HIGH PRESSURE SWITCH YK 4 2 3 6 HIGH PRESSURE SWITCH YK 3 0 2 4 LOW PRESSURE SWITCH ELECTRONIC EXPANSION EKV VALVE COIL 20K PIPE TEMP SENSOR ENVIRONMENT TEMP SENSOR DISCHARGE TEMP SENSOR DC MOTOR1 63625200066 Jumper cap needs to be connected if e 2 is optional accessory there is jumper cap on units main board PE 90 U Match Series DC Inverter Service Manual Model GUHD36NS3GO OUTDOOR UNIT OUTDOOR UNIT Mode Separate Power Supply for indoor unit and outdoor unit sweo _ WIRINGBOARD AP FILTERBOARD AP2 X DRIVEBOARD AP3 CONTROLBOARD AP4 DREDBOARD COMP _ COMPRESSOR M FAN W 4 WAY VALVE OVERLAOD PROTECTOR A BAND HEATER EH2 BOTTOM BAND HEATER HIGH PRESSURE SWITCH YK 4 2 3 6 HIGH PRESSURE SWITCH 3 0 2 4 LOW PRESSURE SWITCH IC EXPANSION ELECTRON VALVE COIL PIPE TEMP SENSOR ENVIRONMENT TEMP SENSOR DISCHARGE TEMP SENSOR ELECTRIC COMPONENT POSITION MAP CERES YE BN WH BU L8 2 Jumper cap needs to be connected if eo EH is optional accessory there is jumper cap on units main board PE Model GUHD42NS3GO Mode Separate Power Supply for indoor unit and outdoor unit Q The Power supply for indoor uni
9. U Match Series DC Inverter Service Manual MAINTENANCE 69 U Match Series DC Inverter Service Manual MAINTENANCE 1 TROUBLE TABLE 1 1 Main Control Malfunction Table 1 Fault Display on Indoor Wired Controller Malfunction name High pressure protection Freeze protection Low pressure protection Refrigerant lacking protection Refrigerant recycling mode Compressor high discharge temperature protection Communicati on malfunction Malfunction of indoor fan motor Origin of malfunction signal High pressure switch Indoor evaporator temperature sensor Low pressure switch Compressor discharge temperature is high Communicati on between indoor and outdoor mainboard Indoor fan motor Control description When outdoor unit detects the high pressure switch is cut off for 3s successively high pressure protection will occur All the loads except the 4 way valve in heating mode will be switched off In this case all the buttons and remote control signals except ON OFF button will be disabled and cannot be recovered automatically Switch off the unit or re energize the unit after cutting off power to eliminate this protection If detecting that the evaporator temperature is lower than protective temp value after the unit has been running for a period of time under cooling or dry mode the unit will report this fault in which case the compressor and outdoor fan motor will be st
10. ard R20 an v2 so aoz 1 CF XO TVS lt N 2 cHe ede e a T M GC ou 3 N OUT Neutral wire output white L OUT Live wire output red DC bus interface connect to ave 4 ACL Live wire input red board Neutral wire input white ej Reserved 2 4 IPM PFC Testing Method 2 4 1 Method of Testing IPM Module 1 Preparation before test prepare a universal meter and turn to its diode option and then remove the wires U V W of the compressor after it is powered off for one minute 2 Testing Steps Step 1 put the black probe on the place P and the red one on the wiring terminal U V W respectively as shown in the following figure to measure the voltage between UP VP and WP otep 2 put the red probe on the place N and the black one on the wiring terminal U V W respectively 88 U Match Series DC Inverter Service Manual as shown in the following figure to measure the voltage between NU NV and NW 3 If the measured voltages between UP VP WP NU NV NV are all among 0 3V 0 7V then it indicates the IPM module is normal If any measured valve is 0 it indicates the IPM is damaged 2 4 2 Method of Testing PFC Module Short Circuit Note Only for GUHD42NS3GO GUHD48NS3GO GUHD60NS3GO 4 Preparation before test prepare a universal meter and turn to its diode option and then remove the wires L1 2 L2 1 after it is powered off for one minute b Testing Steps o
11. code is displayed and the indoor unit can work normally If the outdoor discharge temperature sensor is detected of open circuit or short circuit for 5s successively after the compressor has been operating for 3min outdoor discharge temperature sensor malfunction will be reported The unit can automatically resume operation after the malfunction disappears If the wired controller detects open circuit or short circuit of its temperature sensor for 5s successively wired controller temperature sensor malfunction will be reported If the memory chip of outdoor drive board is broken the unit cannot be started The unit cannot be recovered automatically If the malfunction cannot be eliminated after switching off the unit and then energizing the unit for several times please replace the outdoor drive board If it is detected within 3s successively that the overload switch is cut off under ON or standby state the unit will report overload protection If the fault occurs successively 3 times the unit cannot be recovered automatically Switch off the unit or re energize the unit after cutting off power to eliminate this protection 71 Malfunction Overload protection Malfunction of outdoor fan motor Direction changing malfunction of 4 way valve Communicati on malfunction between main control and drive Malfunction of outdoor main control memory chip Origin of malfunction signal Evaporator temperature co
12. er Chassis electric heating belt GUHD24NS3GO GUHDS36NS3GO 1 Driving Board 15 14 13 12 1 1 10 9 8 8 sDC BUS ral mim E m hr t A LABEL u39 A 5 15V JD R171 Rag 1119 1 1 RII 33 Rx E ar E ES ERG E Bass a m ERA 025 DANGER HIGH VOLTAGE 86 U Match Series DC Inverter Service Manual s 1 Communatonmerace e Tact Reserves _ poof aq 1 2 induction wire white induction wire white e ComessorPraseu 2 Filtering Board L2 HIGH VOLTAGE DANGER RI67 RIB6 CX Ui RIB RIBE SA ese E EEN e H WH d Eu ACEN N RD 4 P C104 AC L w 6 e wi PUER 250V gt ah e 7 eof en Me c 68211220 V1 2013 S s amp mem s ACA _ rms Wamwewaww _ GUHD42NS3GO0 GUHD48NS3GO GUHD60NS3GO 1 Drive Board e 3233 ou ET zE 46 C65 RI46 7 DM D6 coc 627 gl les cng c50 0197 u3 Li e no Ges Discharge 87 U Match Series DC Inverter Service Manual red PFC induction wire brown Neutral wire input white PFC induction wire blue on wire EN Live wire input red BEE ea se aa compessorpnasev 14 W Compressor Phase w 2 Filtering Bo
13. eration in the first two malfunctions If the malfunction occurs 3 times the unit cannot be recovered automatically Switch off the unit or re energize the unit after cutting off power to eliminate this malfunction If the outdoor main control board does not receive data from drive board communication malfunction between main control and drive will be reported This malfunction can be eliminated automatically If the memory chip of outdoor main control board is broken the unit cannot be started The unit cannot be recovered automatically If the malfunction cannot be eliminated after switching off the unit and then energizing the unit for several times please replace the outdoor main control board 72 U Match Series DC Inverter Service Manual 1 2 Description of Drive Malfunction Main board dual 8 numeral tube Display Codes for Outdoor Unit of 24 60k Outdoor unit display of dual 8 numeral tube Teor PEC overtomperature Pe eo _ x m P _ n mes pump em put AC votege SE e O gg Malfunction Item Indoor Unit Display 73 U Match Series DC Inverter Service Manual 2 FLOW CHART OF TROUBLESHOOTING 2 1 Troubleshooting Flow Chart of Main Control Malfunction E1 High Pressure Protection E1 protection Reconnect wire according to the circuit diagram No Check if the system high
14. erature sensor is detected of open circuit or short circuit for 5s successively indoor ambient temperature sensor malfunction will be reported The unit can automatically resume operation after the malfunction disappears If indoor ambient temperature sensor malfunction occurs in fan mode only the error code is displayed and the indoor unit can work normally If the indoor evaporator temperature sensor is detected of open circuit or short circuit for 5s successively evaporator temperature sensor malfunction will be reported The unit can automatically resume operation after the malfunction disappears If evaporator temperature sensor malfunction occurs in fan mode only the error code is displayed and the indoor unit can work normally If the outdoor condenser temperature sensor is detected of open circuit or short circuit for 5s successively condenser temperature sensor malfunction will be reported The unit can automatically resume operation after the malfunction disappears If condenser temperature sensor malfunction occurs in fan mode only the error code is displayed and the indoor unit can work normally If the outdoor ambient temperature sensor is detected of open circuit or short circuit for 5s successively outdoor ambient temperature sensor malfunction will be reported The unit can automatically resume operation after the malfunction disappears If outdoor ambient temperature sensor malfunction occurs in fan mode only the error
15. ndenser temperature Outdoor fan motor 4 way valve Communicati on between main control board and drive board Outdoor main control board U Match Series DC Inverter Service Manual Control description If outdoor unit detects that the tube temperature is higher than protective temp value the unit will report overload protection The unit will not restart operation until tube temperature is lower than the protective temp value and the compressor is stopped for 3min If the protection occurs over 6 times the unit cannot be recovered automatically Switch off the unit or re energize the unit after cutting off power to eliminate this protection If the outdoor unit does not receive signal from outdoor fan motor for 30s successively when the fan motor is operating outdoor fan motor malfunction will be reported In this case the unit can automatically resume operation after stopping If the malfunction occurs 6 times within one hour the unit cannot be recovered automatically Switch off the unit or re energize the unit after cutting off power to eliminate this malfunction After the compressor starts operation in heating mode if the outdoor unit detects the difference between evaporator temperature and indoor ambient temperature is lower than the protective value for 10min successively direction changing malfunction of 4 way valve will be reported and the outdoor unit will stop operation The unit can automatically resume op
16. opped The unit will not run until evaporator temperature is higher than the protective temp value and the compressor is stopped for 3min If it is detected within 30s successively that the low pressure switch is cut off under ON or standby state the unit will report low pressure protection If the fault occurs successively 3 times within 30min the unit cannot be recovered automatically If the unit reports system refrigerant lacking within 10min after turning on the unit the unit will stop operation If the fault occurs successively 3 times the unit cannot be recovered automatically If enter refrigerant recycling mode through special operation will be displayed After exiting refrigerant recycling mode the code will disappear If outdoor unit detects that the discharge temperature 15 higher than protective temp value the unit will report high discharge temperature protection If the protection occurs over 6 times the unit cannot be recovered automatically Switch off the unit or re energize the unit after cutting off power to eliminate this protection If the outdoor unit does not receive data from indoor unit communication malfunction will be reported If there is communication abnormity between display board and indoor unit communication malfunction will be reported too If the indoor unit does not receive signal from indoor fan motor for 30s successively when the fan motor is operating indoor fan motor malfunction
17. or Ambient Temperature Sensor Malfunction of indoor ambient temperature sensor Check if the Correctly insert the temperature sensor on the needle stand indoor ambient temperature sensor on mainboard is inserted on the needle stand correctly Disconnect the temperature sensor and measure if its resistance is normal No Replace the temperature sensor Y Replace the indoor mainboard 77 U Match Series DC Inverter Service Manual F1 Malfunction of Evaporator Temperature Sensor Malfunction of evaporator temperature sensor Check if the evaporator Correctly insert the temperature sensor on No temperature i p mainboard is inserted on the sensor on the needle stand correctly needle stand Disconnect Te 3 T Replace the e A an gt temperature measure if its resistance is sema normal Yes Replace the indoor mainboard F2 Malfunction of Condenser Temperature Sensor Malfunction of condenser temperature sensor No Correctly insert the u temperature sensor mainboard is inserted on the needle stand correctly on the needle stand Disconnect the temperature sensor and measure if its resistance is No Replace the temperature sensor v Replace the outdoor mainboard 78 U Match
18. ot want to have refrigerant lacking protection you can enter the debugging mode through wired controller and then cancel the refrigerant lacking protection mode E3 protection J N Y Enter debugging mode through wired controller and select Charge refrigerant according to the Check if the system low No requirement and Yes oai a pressure is lower then turn on the unit moh ji aai than 0 05MPa to see if E3 rinse ee i turn on the unit to see 1 252 psig Q stil if E3 protection still occurs Yes Yes 2 if ii liquid No genen open the EN ee valve and gas valve of outdoor valve of outdoor unit unit open completely 18k 30k 42k outdoor units Re P dnai No are without low pressure switch and ee check if the wiring of mainboard is the circuit diagram or replace Yes the pressure switch 4a Check if there is leakage in the pipeline Yes Y Weld the leakage point and recharge refrigerant after vacuum pumping and pressure lt retaining are passed 13 normal 24k 48k outdoor units are with low pressure switch and check if the low pressure switch and its wiring are normal Yes Y m the outdoor control board J b A U Match Series DC Inverter Service Manual E4 Discharge Protection E4 protection
19. rk normally Replace the outdoor fan Work normally lt 84 U Match Series DC Inverter Service Manual 2 3 Interface Outdoor units Main Control Board 250 2 18 17 16 au 4 HEAT WESESEI HP T g zl L RENNES D s yw m N o SI Hh _ gt UH SS ra e oM Hl on HAY Ls 2 nU 3 J Amann m gig T n z Ie n g 0 PE en A p ye my COMM 1 2 5 4 5 6 7 8 1112 212751 3241 7 GRZW4K Al_ W1 2014 04 30 12 6 T 8 NO SILK SCREEN INTERFACE INTERFACE INSTRUCTION 2 Neutral wire input Neutral wire input Power supply interface to the PWR 1 Control power output 1 DC bus drive voltage 3 GND 1 pin DC bus voltage 3 pin DC bus GND DC fan motor2 Interface of DC fan motor in 1 pin DC bus voltage 1 pin Power supply of fan motor den 3 pin Fan GND SUSPENGe 4 DC_MOTOR2 Er 3 pin DC bus GND 4 pin 15V d in Qi 4 pin 15V 5 pin Signal control pd T 6 pin NC 9 pin ontrol signal input 6 pin Not connected Interface of DC fan motor DC fan motor1 en 1 pin DC bus voltage 1 pin Power supply of fan motor 2 pin S dsd 3 pin Fan GND Po ipe 5 DC MOTORH 1 3 pin DC bus GND 4
20. rrectly connect the control wire of fan motor on the mainboard Replace the outdoor fan motor and then restart the unit to see if there still is malfunction of outdoor fan No Operate the unit with gt the new motor Yes Replace the outdoor mainboard E8 Malfunction of Indoor Fan Motor Malfunction of indoor fan motor Check if the control wire of indoor fan motor is connected on the outdoor mainboard correctly Correctly connect the control wire of fan motor on the mainboard Replace the indoor fan motor and then restart the unit to see if there still is malfunction of indoor fan motor Operate the unit with the new motor Replace the indoor mainboard 80 U Match Series DC Inverter Service Manual 2 2 Troubleshooting Flow Chart of Drive Malfunction o Note For Outdoor Unit Drive Inverter by Single phase Motor PO Drive module reset P7 IPM or PFC temperature sensor error PAAC current protection input side PC Current sense circuit error HC protection 42 48k 60k only PO PA PC is displayed on the wired controller PO P7 PA Hc or PC is displayedin the mainboard 88 Indicating Lamp Replace the mainboard Work Normally P8IPM or PFC over temperature protection P8 is displayed on the wired controller
21. tep 1 put the black probe on the place P and the red one on the wiring terminal L1 2 L2 1respectively as shown in the following figure to measure the voltage between L1 2P and L2 1 P otep 2 put the red probe on the place N and the black one on the wiring terminal L1 2 L2 1respectively as shown in the following figure to measure the voltage between N L1 2 and NL2 1 6 If the measured voltages between L1 2P L2 1 P N L1 2 NL2 1 are all among 0 3V 0 7V then it indicates the module is normal If any measured valve is 0 it indicates the is damaged GUHD24NS3GO GUHD36NS3GO ee i a O 8 o n f m sant t y ir d aM ri 2 0 4 dms 4 Eb 89 U Match Series DC Inverter Service Manual GUHD42NS3GO GUHD48NS3GO GUHD60NS3GO k my EEDTDUEH2 L Ligure 4 RPSC 7 B iJ L ram m m 434 A A osi WATI 13803 Ri f A t iL F T E P U V W N L1 2 L1 1 L2 1 L2 2 3 WIRING DIADRAM 3 1 Outdoor unit The actual wiring should always refer to the wiring diagram of the unit Model GUHD24NS3GO OUTDOOR UNIT OUTDOOR UNIT Mode Separate Power Supply for indoor unit and outdoor unit Mode The Power supply for indoor unitis from outdoor unit POWER N 4 AC N AP 1 SYMBOL NAM
22. tis from outdoor unit lk XTU XT2 AP1 __ BOARD i 9 5 AN INDU TAN E COMPRESSOR 20K 15K 50K M2 UPPER LOWER MOTOR L NN COMPRESSOR I 2M CPA BAND HEATER BOTTOM BAND HEATER L4 HIGH PRESSURE SWITCH Beane u u YK 4 2 3 6 HIGH PRESSURE SWITCH OEN aan YK 3 0 2 4 T SENSOR2 LP LOW PRESSURE SWITCH YK 0 05 0 15 ELECTRONIC EXPANSION VALVE COIL TEMP SENSOR TEMP SENSOR Jumper cap needs to be connected if there is a jumper cap on unit s main board ELECTRIC COMPONENT POSITION MAP WH DC MOTOR1 EH2 is optional accessory 9 Model GUHD48NS3GO GUHD60NS3GO 7 U Match Series DC Inverter Service Manual Mode D Separate Power Supply for indoor unit and outdoor unit Mode GQ The Power supply for indoor unitis from outdoor unit T SENSOR2 WH GN DC MOTOR1 DC MOTOR2 CSZ ji iii EH1 EE 3 2 Indoor unit PE 2 is optional accessory L1 1 wi tt 9 OUTDOOR UNIT N SYMBOL SYMBO L OUT N OUT WIRING BOARD FITERBOARD AP2 DRIVE BOARD CONTROLBOARD AP4 DRED BOARD t INDUCTANCE COMP COMPRESSOR UPPER LOWER MOTOR BAND HEATER HIGH PRESSURE SWITCH EHE o o KI dr iil YK 3 0 2 4 OM ale uil YK 0 05 0 15 ekv ELECTRONIC EXPANSION L AP L H1 H2 LP EKV VALVE COIL PIPE TEMP SENSOR
23. vironment Pipe Temp Sensor Temp Sensor 36 63625200093 93 U Match Series DC Inverter Service Manual Model GFH36S3G1I GFH42S3G1I GFH48S3G1 I GFH60S3GI INDOOR UNIT COOL PLASMA AC N X500 AC L X501 HEALTH X4 N2 X6 N2 X6 V NEW CLOSE X2 V NEW OPEN X1 DC MOTOR1 Fresh Air Valve Commom Open nu ourooor 1 P7 04 Es UNIT 2 F O L5 ee RD L4 WIRE 1 Z MOTOR CONTROL AP2 X2 XT1 L XT1 N LIQUID SWING Environment Pipe PUMP MOTOR Temp Sensor Temp Sensor 63625200064 94
24. will be reported In this case the unit can automatically resume operation after stopping If the malfunction occurs 6 times within one hour the unit cannot be recovered automatically Switch off the unit or re energize the unit after cutting off power to eliminate this malfunction 70 U Match Series DC Inverter Service Manual A CO N 5 N Error code Malfunction name Full water protection Malfunction of indoor ambient temperature sensor at air return port Malfunction of evaporator temperature sensor Malfunction of condenser temperature sensor Malfunction of outdoor ambient temperature sensor Malfunction of discharge temperature sensor Malfunction wired controller temperature sensor Malfunction of outdoor drive memory chip Compressor overload protection Origin of malfunction signal Water level switch Indoor ambient temperature sensor Evaporator temperature sensor Condenser temperature sensor Outdoor ambient temperature sensor Discharge temperature sensor Wired controller Outdoor drive board Compressor overload switch Control description If cut off of water level switch is detected for 8s successively once energized the system will enter full water protection In this case switch off the unit and then switch it on to eliminate this malfunction If the indoor ambient temp
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