Gree U-MATCH IV SERIES Service Manual Download Page 136

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133

U-Match Series DC
Inverter Service Manual

NO.

Name of Part

GUHD42NK3FO

Product Code

CF090W0700

Part Code

Quantity

Front Grill

'01575200001

Diversion Circle

'10474100001

Cabinet

'01514100002P

Handle

'26235253

Front Side Plate

'01314100021P

Axial Flow Fan

'10434100003

Fan Motor

'15704115

Motor Support Sub-Assy

'01805200185

Compressor Gasket

'76713066

Chassis Sub-assy

'01195200020P

electrical heater

'76518732

Valve Support Sub-Assy

'01805200204P

Compressor

'00205200003

Cut off Valve

'07133844

Cut off Valve

'07130209

Filter

'07415210

Valve Cover

'26904100056

Rear Side Plate

'01314100020P

Strainer

'07210045

Electronic Expansion Valve

'07334194

Electric Expand Valve Fitting

'4300010839

Temperature Sensor

'3900028025G

Strainer

'07411100014

Silencer

'07245012

Silencer

'07245012

Compressor Overload Protector(External)

'00180030

Compressor Overload Protector(External)

'00183051

Compressor Overload Protector(External)

'00183032

Compressor Overload Protector(External)

'00183031

Pressure Protect Switch

'46020003

Gas-liquid Separator Sub-Assy

'07255201

4-way Valve

'43000338

Magnet Coil

'4300040032

Pressure Protect Switch

'4602000902

Wire Clamp

'02145008

Clapboard

'01245200007

Condenser Assy

'01125200197

Rear Grill

'01574100004

Coping

'01264100008P

Electric Box Assy

01395200181

Main Board

'30221000003

Main Board

'30224000036

Filter Board

'30221000007

PFC Inductance

'43120011

Terminal Board

'42011242

Terminal Board

'420101852

Left Side Plate

'01314100013P

Fan Motor

'1570411501

Summary of Contents for U-MATCH IV SERIES

Page 1: ...T1 R410A 50Hz GC201304 U MATCH SERIES DC INVERTERAIR CONDITIONERS SERVICE MANUAL...

Page 2: ...ION OF SPECIAL FUNCTIONS 26 4 1 Setting of Filter Clean Reminder Function 26 4 2 Low Temperature Drying Function 28 4 3 Lock Function 28 4 4 Memory Function 28 4 5 Door Control Function Human Sensitiv...

Page 3: ...72 4 2 Electrical Wiring 73 MAINTENANCE 79 1 TROUBLE TABLE 79 1 1 Main Control Malfunction 79 1 2 Description of Drive Malfunction 81 2 FLOW CHART OF TROUBLESHOOTING 82 2 1 Troubleshooting Flow Chart...

Page 4: ...1 U Match Series DC Inverter Service Manual PRODUCT QSPEVDU...

Page 5: ...W0640 220 240V 50Hz GUHD18NK3FO CF090W0650 220 240V 50Hz GUHD24NK3FO CF090W0660 220 240V 50Hz GUHD30NK3FO CF090W0670 220 240V 50Hz GUHD36NK3FO CF090W0680 220 240V 50Hz GUHD36NM3FO CF090W0690 380 415V...

Page 6: ...0 240V 50Hz GKH18K3FI ET010N0680 5 0 5 5 GKH24K3FI ET010N0690 7 0 8 0 GKH30K3FI ET010N0740 8 3 9 2 GKH36K3FI ET010N0700 10 0 12 0 GKH42K3FI ET010N0710 11 0 12 5 GKH48K3FI ET010N0720 14 0 16 0 220 240V...

Page 7: ...20 240V 50Hz M 380 415V 3N 50Hz 8 Refrigerant 1 R22 2 R407C 3 R410A 9 Design Code Design Code A B C D Design Change Code 0 default 1 2 3 10 Unit Code O Outdoor unit 2 2 Intdoor Unit G F H 09 T K 3 F I...

Page 8: ...2K3FI GFH18K3FI GFH24K3FI Power Supply 220 240V 50Hz Heat Exchange Cross Fin Coil Cross Fin Coil Cross Fin Coil Cross Fin Coil Fan Drive direct direct direct direct Motor Output kW 0 04 1 0 05 1 0 07...

Page 9: ...50Hz Heat Exchange Cross Fin Coil Cross Fin Coil Cross Fin Coil Cross Fin Coil Fan Drive direct direct direct direct Motor Output kW 0 11 1 0 23 1 0 23 1 0 23 1 Air Flow m3 h 1400 2100 2100 2100 Rate...

Page 10: ...z Heat Exchange Cross Fin Coil Cross Fin Coil Cross Fin Coil Cross Fin Coil Fan Drive direct direct direct direct Motor Output kW 0 23 1 0 25 1 0 25 1 0 28 1 Air Flow m3 h 2100 2400 2400 3000 Rated Ex...

Page 11: ...door Unit GKH12K3FI GKH18K3FI GKH24K3FI Power Supply 220 240V 50Hz Heat Exchange Cross Fin Coil Cross Fin Coil Cross Fin Coil Fan Drive direct direct direct Motor Output kW 0 03 1 0 04 1 0 065 1 Air F...

Page 12: ...36K3FI GKH36K3FI GKH42K3FI Power Supply 220 240V 50Hz Heat Exchange Cross Fin Coil Cross Fin Coil Cross Fin Coil Cross Fin Coil Fan Drive direct direct direct direct Motor Output kW 0 065 1 0 11 1 0 1...

Page 13: ...3FI GKH48K3FI GKH60K3FI Power Supply 220 240V 50Hz Heat Exchange Cross Fin Coil Cross Fin Coil Cross Fin Coil Cross Fin Coil Fan Drive direct direct direct direct Motor Output kW 0 11 1 0 15 1 0 15 1...

Page 14: ...door Unit GTH09K3FI GTH12K3FI GTH18K3FI GTH24K3FI Power Supply 220 240V 50Hz Heat Exchange Cross Fin Coil Cross Fin Coil Cross Fin Coil Cross Fin Coil Fan Drive direct direct direct direct Motor Outpu...

Page 15: ...6K3FI GTH36K3FI GTH42K3FI Power Supply 220 240V 50Hz Heat Exchange Cross Fin Coil Cross Fin Coil Cross Fin Coil Cross Fin Coil Fan Drive direct direct direct direct Motor Output kW 0 09 1 0 14 1 0 14...

Page 16: ...FI GTH48K3FI GTH60K3FI Power Supply 220 240V 50Hz Heat Exchange Cross Fin Coil Cross Fin Coil Cross Fin Coil Cross Fin Coil Fan Drive direct direct direct direct Motor Output kW 0 14 1 0 19 1 0 19 1 0...

Page 17: ...erature Cooling 15 48 Heating 10 24 3 3 Electrical Data 3 3 1 Outdoor unit Table 1 4 1 Electrical Data of Outdoor Unit Model Compressor Fan Motor Fuse Breaker Capacity Min Power Supply Cord Power Supp...

Page 18: ...220 240 1 50 1 5 6 1 0 GTH36K3FI 220 240 1 50 1 5 6 1 0 GTH42K3FI 220 240 1 50 1 5 6 1 0 GTH48K3FI 220 240 1 50 1 5 6 1 0 GTH60K3FI 220 240 1 50 1 5 6 1 0 Notes RLA Rated load amperes LRA Locked roto...

Page 19: ...16 U Match Series DC Inverter Service Manual QSPEVDU 4 PIPING DIAGRAM...

Page 20: ...17 U Match Series DC Inverter Service Manual CONTROL DPOUSPM...

Page 21: ...18 U Match Series DC Inverter Service Manual DPOUSPM CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Dry Operation...

Page 22: ...19 U Match Series DC Inverter Service Manual DPOUSPM 1 2 Heating Operation...

Page 23: ...re can be decreased by pressing this button Pressing and holding this button for more than 2 seconds can make the temperature changed quickly until release this button and then transmit this order The...

Page 24: ...e X FAN button z Pressing this button can activate or deactivate the X FAN function In Cool or Dry mode by pressing this button if is displayed it indicates the X FAN function is activated By repressi...

Page 25: ...22 U Match Series DC Inverter Service Manual DPOUSPM 3 WIRED CONTROLLER 3 1 Display View Figure 2 3 1 Appearance of wired controller Figure 2 3 2 LCD display of wired controller...

Page 26: ...3 Status display of master and slave wired controller 14 Shield function The button operation temperature setting On Off operation Mode setting and Save setting are disabled 15 Fan speed 16 Memory fun...

Page 27: ...WDUWXS RI WKH XQLW ZLWKRXW PDOIXQFWLRQ RU XQGHU RII VWDWH RI WKH XQLW SUHVV DQG buttons at the same time for 5s to enter lock state In this case any other buttons won t UHVSRQG ZKHQ SUHVVLQJ 5HSUHVV D...

Page 28: ...QFHO EXWWRQ WR FRQ UP 7KH DGGUHVV VHWWLQJ LV UHODWHG WR WKH VHWWLQJ RI Debugging Function 4 9 10 When the selection in 4 9 10 is 00 address of centralized controller is to be set and the address setti...

Page 29: ...will blink DQG WKHQ HQWHU VHWWLQJ RI OWHU FOHDQ UHPLQGHU IXQFWLRQ 7LPHU RQH GLVSOD V WKH VHW SROOXWLRQ OHYHO DQG RX FDQ SUHVV RU EXWWRQ WR DGMXVW WKH OHYHO 7KHQ SUHVV QWHU DQFHO EXWWRQ WR WXUQ RQ WKLV...

Page 30: ...cumulated operating time is 1400hr Each time the latter digit increases 1 the accumulated operating time increases 400hr When it reaches 9 it means the accumulated operating time is 5000hr 4 Heavy pol...

Page 31: ...nged the memorized content may be abnormal Do not cut off power within 5s after memorized content is changed 4 5 Door Control Function Human Sensitive Function Door control function or human sensitive...

Page 32: ...speeds in low speed LCD displays 01 2 Three speeds in high speed LCD displays 02 Three speeds in low speed include high medium and low speeds three speeds in high speed include super high high and med...

Page 33: ...plays 00 4 9 10 Selecting long distance monitoring or centralized controller 8QGHU GHEXJJLQJ VWDWH SUHVV 0RGH EXWWRQ WR DGMXVW WR LQ WHPSHUDWXUH GLVSOD LQJ RQH 7LPHU RQH GLVSOD V VHWWLQJ VWDWH DQG SUH...

Page 34: ...Standard Accessories of Wired Controller Description Quantity Note Socket base box installed in the wall 1 No 1 in Figure 2 5 1 Base plate of wired controller 1 No 2 in Figure 2 5 1 Screw M4 25 2 No...

Page 35: ...nal wire in the installation hole of the wall and then let this wire go through the hole at the back of wired controller s base plate 2 Fix the base plate and installation hole of the wall together wi...

Page 36: ...malfunction of 4 way valve P0 Drive reset protection P5 Overcurrent protection P6 Communication malfunction between main control and drive P7 Malfunction of drive module sensor P8 High temperature pro...

Page 37: ...is used for the switchover between unit 1 and unit 9 Under the timing or clock setting status it indicates Monday 7 Tue 2 10 It is used for the switchover between unit 2 and unit 10 Under the timing...

Page 38: ...V 7 03 02 DQG 2Q 2II 5 Weekly timer It displays the timing period unit 0 5 hour which will circulate every week 6 Set temperature Indoor unit code It displays the set temperature indoor unit code 01 1...

Page 39: ...and the type is B2B XH B The wires of door control accessories must be connected to this interface 2 Electrical characteristic none 3 Working principle when the card is inserted this interface is sho...

Page 40: ...detection board When the card is not connected the unit will turn to standby state If the unit is with wired controller icon will be displayed on the wired controller If the unit is without wired con...

Page 41: ...hod It is defaulted that this function is not activated if this function is set and human sensitive module is connected the unit will control the ON OFF of unit according to the signal detected by hum...

Page 42: ...inserted into this needle stand must be PH 3P K The current consumption of module can not exceed the current capacity provided by this interface 7 2 3 MODBUS interface The indoor unit of this series...

Page 43: ...WWRQ WR DGMXVW 7KHUH DUH VHOHFWLRQV Centralized controller address mode LCD displays 00 Long distance control address mode LCD displays 01 Choose the second selection and then press Enter Cancel butto...

Page 44: ...oller When centralized controller is connected centralized control of unit can be realized when the wired controller is not connected 1 Interface instruction 1 The printing is COM BMS2 COM BMS3 and th...

Page 45: ...to match the address of centralized controller The unit will memorize this setting status The setting value will be memorized after power failure The detailed setting is as shown in the Figure below F...

Page 46: ...oller is as below Name Product code Remark Centralized controller CE50 24 E MC207025 Only 16 sets of unit in maximum can be connected to this controller 7 2 5 Light board control Light board interface...

Page 47: ...malfunction the relay will suck and 220V AC signal will be output 2 Function instructions When the user needs centralized control over several units malfunction signals can be connected to control roo...

Page 48: ...4 Door control 5 Full water detection 6 Interface of light board 7 Communication port of centralized controller 8 MOUDBUS interface 9 Interface of annunciator live wire 10 ON interface of fresh air v...

Page 49: ...ld plasma anion generator connect the red line to HEALTH X4 and the blue line to N2 X6 according to the principle circuit The detector of cold plasma anion generator should be places at the air return...

Page 50: ...47 U Match Series DC Inverter Service Manual INSTALLATION...

Page 51: ...WKXV WR DYRLG SRVVLEOH H SORVLRQ RU UH GXH WR OHDNDJH 1 1 2 Installation Site Ensure the top hanging piece has strong strength to withstand the weight of the unit 7KH GUDLQDJH SLSH KDV FRQYHQLHQW RZ R...

Page 52: ...opening on the ceiling Maybe it is required to support the ceiling to ensure the evenness of it and avoid the vibration of it Consult with the user or a construction company for details In case the st...

Page 53: ...RQ LQGRRU XQLW Insulation materials for liquid pipe 1 8VHG IRU OLTXLG SLSH FRQQHFWRU RQ LQGRRU XQLW Insulation materials for drainage pipe 2 8VHG IRU ZUDSSLQJ WKH FRQGHQVDWH SLSH DQG UXEEHU SOXJ Nut...

Page 54: ...VWDOO WKH GUDLQ KRVH ZLWK GRZQZDUG JUDGLHQW WR DQG QR ULVHUV RU WUDSV DUH XVHG IRU WKH KRVH LJXUH 2 H VXUH WKHUH LV QR FUDFN RU OHDN RQ WKH GUDLQ KRVH WR DYRLG WKH IRUPDWLRQ RI DLU SRFNHW LJXUH 3 KHQ...

Page 55: ...ive on one side of the insulation so that after removing the protective paper over it the insulation can be directly attached to the drain hose Considerations for the unit with the condensate pump 1 F...

Page 56: ...XUH 6XSSO LU 2XWOHW LJXUH 5HWXUQ LU QOHW 7DEOH Item Model Supply Air Outlet 5HWXUQ LU QOHW A B C D 133 123 123 818 994 818 994 818 818 1 1 8 Installation of the Supply Air Duct 1 QVWDOODWLRQ RI WKH 5H...

Page 57: ...g the conditions of the building and maintenance HWF DV VKRZQ LQ LJXUH 1 5HWXUQ DLU 5HWXUQ DLU QVWDOO WKH 5HWXUQ LU XFW D Supply air Supply air QVWDOO WKH 5HWXUQ LU XFW b 1 2 4 3 4 Supply air Supply a...

Page 58: ...m 3 HDYH VHUYLFH VSDFH DURXQG WKH XQLW DV UHTXLUHG LQ LJXUH Floor type 600 1000 300 600 1500 Ceiling type 300 600 600 1500 200 2300 LJXUH 4 Install the unit where the drain pipe can be easily installe...

Page 59: ...ODWH DV SHU WKH DUURZHG GLUHFWLRQ DQG WDNH LW down Screwing the screw LJXUH Put the hanger bolt into the clasp of the indoor unit and tighten screws on the hanger to prevent the indoor unit from movin...

Page 60: ...l Left side panel LJXUH 7 Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother 1 2 4 Leveling The water level test must be done a...

Page 61: ...O WR RU JUHDWHU WKDQ WKDW RI WKH FRQQHFWLQJ SLSH 3 Install the drain piping as shown and take measures against condensation Improperly rigged piping could lead to leaks and eventually wet furniture an...

Page 62: ...QVLRQ REWDLQ DQ H WHQVLRQ KRVH FRPPHUFLDOO DYDLODEOH After connecting the local drain hose tape the slits of the heat insulation tube Connect the drain hose to the local drain pipe Position the inter...

Page 63: ...WKH DUHD ZKHUH WKH LQ DPPDEOH RU H SORVLYH VXEVWDQFHV DUH VWRUHG WKXV WR DYRLG SRVVLEOH H SORVLRQ RU UH GXH WR OHDNDJH 1 3 2 Installation Site Select an installation site where the following condition...

Page 64: ...tion improperly and even lead to water leakage 5HPRYH WKH JDVNHW DQFKRU ERDUG DQG WLJKWHQ WKH QXW UHPDLQHG 5HPRYH WKH SDSHU WHPSODWH 1 3 4 Installing the Suspension Bolts 1 8VLQJ WKH LQVWDOODWLRQ WHPS...

Page 65: ...O DW WKH XQLW DQG ODWFK WKH KRRNV EHVLGH DQG RSSRVLWH WKH VZLQJ DS PRWRU 3 Latch other two hooks 4 7LJKWHQ IRXU KH DJRQDO VFUHZV XQGHU WKH ODWFKHV DERXW PP GMXVW WKH SDQHO DORQJ WKH GLUHFWLRQ LQGLFDWH...

Page 66: ...Service Manual 8 If gap still exists between ceiling and decoration panel after tightening the screws readjust the height of WKH LQGRRU XQLW LJXUH LJXUH 9 LUH WKH VZLQJ DS PRWRU DV VKRZQ LQ LJXUH LJXU...

Page 67: ...se Insulating tape accessory LJXUH 1 3 9 Installing the Drain Pipes 1 Insert the drain pipe to the drain outlet of the unit and then tighten the clamp securely with tape 2 Connect the extension drain...

Page 68: ...main pipe 9 The horizontal pipe cannot be connected to the vertical pipe at a same height It can be connected in a manner as shown below 12 WWDFK WKH ZD FRQQHFWLRQ RI WKH GUDLQDJH SLSH MRLQW DV VKRZQ...

Page 69: ...the SLSH VKRXOG EH DERXW PP Immiting water from the outlet vent terminal ERYH PP Drain vent for repair use plastic stopper is included drain the water in waterspoit by this outlet vent LJXUH 2 OUTDOOR...

Page 70: ...RZ LV QRW EORFNHG OVR IRU HI FLHQW RSHUDWLRQ leave three of four directions of peripheral constructions open LJXUH 2 3 Caution for Installation 7KH RXWGRRU XQLW VKDOO EH VR LQVWDOOHG WKDW WKH DLU GLV...

Page 71: ...cedures and Caution in Connecting 3 1 1 Flare Processing 1 Cut the connection pipe with the pipe cutter and remove the burrs 2 Hold the pipe downward to prevent cuttings from entering the pipe 3 5HPRY...

Page 72: ...t repeatedly at the same place it will break RQQHFWLQJ WKH 3LSH DW WKH QGRRU 8QLW 6LGH Detach the caps and plugs from the pipes CAUTION H VXUH WR DSSO WKH SLSH DJDLQVW WKH SRUW RQ WKH LQGRRU XQLW FRUU...

Page 73: ...ly RQQHFWLQJ WKH 3LSH DW WKH 2XWGRRU 6LGH 8QLW 7LJKWHQ WKH DUH QXW RI WKH FRQQHFWLRQ SLSH DW WKH RXWGRRU XQLW YDOYH FRQQHFWRU The tightening method is the same as that as at the indoor side KHFNLQJ WK...

Page 74: ...XUH FDQ UHPDLQ XQFKDQJHG PLQXWHV IRU WKH XQLWV OHVV WKDQ PLQXWHV IRU WKH a XQLWV PLQXWHV IRU WKH XQLWV PRUH WKDQ XULQJ WKLV WLPH WKH UHDGLQJ RI WKH SUHVVXUH JDXJH DW WKH ORZ SUHVVXUH VLGH FDQ QRW EH O...

Page 75: ...ess to terminals all supply circuits must be disconnected 7KH UDWHG YROWDJH RI WKH XQLW LV DV VKRZQ DV 7DEOH DQG 7DEOH HIRUH WXUQLQJ RQ YHULI WKDW WKH YROWDJH LV ZLWKLQ WKH a 9 UDQJH IRU VLQJOH SKUDVH...

Page 76: ...FXWWHU RU ZLUH FXWWLQJ SOLHUV WKHQ VWULS WKH LQVXODWLRQ DERXW PP 8VLQJ D VFUHZGULYHU UHPRYH WKH WHUPLQDO VFUHZ V RQ WKH WHUPLQDO ERDUG 8VLQJ D URXQG WHUPLQDO IDVWHQHU RU SOLHUV VHFXUHO FODPS D URXQG...

Page 77: ...8 1 2 7 8 1 2 7 8 1 2 7 3RZHU FRUG PP 51 3RZHU FRUG PP 99 RPPXQLFDWLRQ RUGV PP 99 8 1 2 7 8 1 2 7 3RZHU FRUG PP2 51 3RZHU FRUG PP2 99 RPPXQLFDWLRQ RUGV PP2 99 6LQJOH SKDVH XQLWV a 8 1 2 7 8 1 2 7 3RZ...

Page 78: ...Electric wiring of indoor unit side 5HPRYH WKH HOHFWULF ER FRYHU IURP WKH HOHFWULF ER VXE DVV DQG WKHQ FRQQHFW WKH ZLUH XFW 7 SH 8QLW LJXUH The F C O connect to the COMMOM CLOSE and OPEN terminal of...

Page 79: ...er 7LJKWHQ WKH LQGRRU RXWGRRU FRQQHFWLRQ FRUG DQG SRZHU FRUG UHVSHFWLYHO RQ WKH WHUPLQDO ERDUGV ZLWK VFUHZV DXOW FRQQHFWLRQ PD FDXVH D UH If the indoor unit connection cord to the outdoor unit and pow...

Page 80: ...77 U Match Series DC Inverter Service Manual 7KUHH SKDVH a L1 L2 L3 N 1 2 LJXUH...

Page 81: ...78 U Match Series DC Inverter Service Manual MAINTENANCE...

Page 82: ...mp 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 c...

Page 83: ...tomatically Switch off the unit or re energize the unit after cutting off power to eliminate this protection 16 H4 Overload protection Evaporator temperature condenser temperature If outdoor unit dete...

Page 84: ...IPM or PFC temperature sensor error P7 P7 Compressor current protection P5 P5 DC busbar under voltage protection PL PL Compressor startup failure Lc Lc Drive module reset P0 P0 Compressor motor desyn...

Page 85: ...valve and gas valve of outdoor unit Check if the liquid valve and gas valve of outdoor unit open completely No Yes Yes Check if the air outlet of outdoor fan motor or indoor fan motor is normal Clear...

Page 86: ...cancel the refrigerant lacking protection mode E3 protection Check if the system low pressure is lower than 0 05MPa No Yes Charge refrigerant according to the requirement and then turn on the unit to...

Page 87: ...cuum pumping and pressure retaining are passed Yes Replace the outdoor main control board No Replace the discharge temperature sensor E6 Communication Malfunction Communication malfunction Check if th...

Page 88: ...place the full water switch or make sure the float of full water switch works normally Yes F0 Malfunction of Indoor Ambient Temperature Sensor Malfunction of indoor ambient temperature sensor Check if...

Page 89: ...insert the temperature sensor on the needle stand Replace the temperature sensor Replace the indoor mainboard Yes No No Yes F2 Malfunction of Condenser Temperature Sensor Malfunction of condenser temp...

Page 90: ...rectly insert the temperature sensor on the needle stand Replace the temperature sensor Replace the outdoor mainboard Yes No No Yes F4 Malfunction of Discharge Temperature Sensor Malfunction of discha...

Page 91: ...an Motor Malfunction of discharge temperature sensor Check if the control wire of outdoor fan motor is connected on the outdoor mainboard correctly Replace the outdoor fan motor and then restart the u...

Page 92: ...it with the new motor Replace the indoor mainboard Yes No No Yes 2 2 Troubleshooting Flow Chart of Drive Malfunction Note For Outdoor Unit Drive Inverter by Single phase Motor Applicable to GUHD09NK3F...

Page 93: ...rmally Replace the mainboard Yes Tighten the IPM or PFC module PH DC busbar over voltage protection PL DC busbar under voltage protection PH or PL is displayed on the wired controller PH or PL is disp...

Page 94: ...ive 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 nor...

Page 95: ...is displayed in the mainboard 88 indicating lamp Is the compressor phase sequence right Yes Replace the mainboard Does it work normally No Replace the compressor Work normally Yes adjust the compress...

Page 96: ...layed in the mainboard 88 indicating lamp Is the PFC wire tightened or is the sequence right Tighten the PFC wire or adjust the sequence Replace the mainboard Yes No Work normally ee driving boar Yes...

Page 97: ...d 88 indicating lamp Is the motor phase sequence right Yes Replace the mainboard Does it work normally No Replace the outdoor fan Work normally Yes Adjust the motor phase sequence Is the Fan wire term...

Page 98: ...al wire input white 15 O_HEAT_L Reserved 16 I_HEAT_N Reserved 17 O_HEAT_N Reserved 18 I_HEAT_L Reserved 19 H PRESS Pressure switch 20 VA 1 Chassis electric heating belt 21 HEAT Compressor electric hea...

Page 99: ...bus GND 12 LPP Interface of low pressure protection 4 DC_MOTOR2 Interface of DC fan motor 1 pin DC bus voltage 2 pin Suspended 3 pin DC bus GND 4 pin 15V 5 pin Control signal input 6 pin Not connected...

Page 100: ...e 3 GUHD18NK3FO GUHD24NK3FO GUHD30NK3FO GUHD36NK3FO GUHD42NK3FO 1 Driving Board 2 3 4 1 5 6 7 8 9 10 13 14 15 11 12 No Printing Interface No Printing Interface 1 L2_2 PFC induction wire blue 2 L1_1 PF...

Page 101: ...O 1 Drive Board 11 1 8 2 3 4 5 6 7 9 10 12 13 14 No Printing Interface No Printing Interface 1 AC L Live wire input red 2 L1 1 PFC induction wire brown 3 N Neutral wire input white 4 L2 2 PFC inductio...

Page 102: ...R PHDVXUH WKH YROWDJH EHWZHHQ 83 93 DQG 3 Step 2 put the red probe on the place N and the black one on the wiring terminal U V W respectively as VKRZQ LQ WKH IROORZLQJ JXUH WR PHDVXUH WKH YROWDJH EHWZ...

Page 103: ...ROWDJH EHWZHHQ 1 DQG 1 3 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 PFC module is normal If any measured valve is 0 it indicates the PFC i...

Page 104: ...The actual wiring should always refer to the wiring diagram of the unit Model GUHD09NK3FO GUHD12NK3FO 203 9 8 7 7 1 225 81 7 3 3 3 7 0 SRVLWLRQ PDS OHFWULF FRPSRQHQW 3 3 7 0 6 1625 6 5 7 0 6 1625 287...

Page 105: ...102 U Match Series DC Inverter Service Manual Model GUHD18NK3FO Model GUHD24NK3FO GUHD30NK3FO 0...

Page 106: ...103 U Match Series DC Inverter Service Manual Model GUHD36NK3FO Model GUHD42NK3FO 0 0...

Page 107: ...odel GUHD48NK3FO 0 0 3 2 Indoor unit The actual wiring should always refer to the wiring diagram of the unit 3 2 1 Duct Type Model GFH09K3FI GFH12K3FI GFH18K3FI GFH24K3FI GFH30K3FI GFH36K3FI GFH42K3FI...

Page 108: ...RD XT1 L XT1 N X4 PE U V W M FAN MOTOR X1 X2 DC MOTOR1 CN451 4 CN501 C F L N O XT1 XT2 1 2 H1 H2 WIRE CONTROL 1 2 BU POWER L N PE PE INDOOR UNIT COOL PLASMA GENERATOR PE RD BU 15K 20K Environment Temp...

Page 109: ...1 8 1 1 63 63 3 1 1 1 8 6 1 67 3 02725 5HFHLYLQJ RDUG 48 6 3803 02725 1 1 20 3 5 21752 QYLURQPHQW 7HPS 6HQVRU 287 225 3RZHU 7 3LSH 7HPS 6HQVRU 1 2 0 0 0 5HPDUN 7KH LUH RQWURO LV WKH RSWLRQDO DFFHVVRU...

Page 110: ...2725 3 1 9 325 725 6 7 7 02725 20 7 0 5 8 6 1 8 1 1 63 63 3 1 1 1 8 6 1 1 67 3 02725 5HFHLYLQJ RDUG 48 6 3803 02725 1 1 20 3 5 21752 1 225 81 7 QYLURQPHQW 7HPS 6HQVRU 287 225 3RZHU 1 3LSH 7HPS 6HQVRU...

Page 111: ...or 1 Discharge the refrigerant inside the pipeline and recycle the refrigerant during discharging 2 Unsolder the 4 way valve assy from compressor 5HPRYH WKH QXW LQJ FRPSUHVVRU 4 Take away the compress...

Page 112: ...ve the grille outer case and right side plate 2 Remove motor 1 Remove the blade nut and then remove the blade 2 Remove the motor from motor support 3 Remove compressor 1 Discharge the refrigerant insi...

Page 113: ...grille outer case front side plate and right side plate 2 Remove motor 1 Remove the blade nut and then remove the blade 2 Remove the motor from motor support 3 Remove compressor 1 Discharge the refrig...

Page 114: ...e 2 Remove the motor from motor support 3 Remove gas liquid separator 1 Discharge the refrigerant inside the pipeline and recycle the refrigerant during discharging 2 Unsolder the 4 way valve assy fro...

Page 115: ...ade 2 Remove the motor from motor support 3 Remove gas liquid separator 1 Discharge the refrigerant inside the pipeline and recycle the refrigerant during discharging 2 Unsolder the 4 way valve assy f...

Page 116: ...on fan sub assembly Remove the screws on fan sub assembly 4 Overturn the propeller housing Rotate the propeller housing to the air inlet according to arrow direction 5 Loosen the fan and motor Use in...

Page 117: ...g to the position shown in the circle and the box and remove the electric box in the direction of the arrow 3 Disassembly of electric parts box Disassemble the fastening screw and remove the electrica...

Page 118: ...surized condition Step Illustration Handling Instruction LVDVVHPEO RI LQJ screws on the side panels of evaporator LVDVVHPEOH RI LQJ VFUHZV RQ the side panels of evaporator Disassemble the fastening sc...

Page 119: ...uction 1 Loosen the screws LQJ WKH ZDWHU WUD 8VH VFUHZGULYHU WR ORRVHQ WKH VFUHZV LQJ WKH ZDWHU WUD 2 Remove the water tray Remove the water tray 3 Loosen the bolts LQJ WKH IDQ 8VH VSDQQHU WR ORRVHQ W...

Page 120: ...WKH PRWRU 8 Mount the fan and WLJKWHQ WKH LQJ EROWV Mount the fan and use spanner to WLJKWHQ WKH EROWV LQJ WKH IDQ 9 Mount the water tray and tighten the screws 8VH VFUHZGULYHU WR ORRVHQ WKH VFUHZV LQ...

Page 121: ...outlet pipe and use screwdriver WR ORRVHQ WKH VFUHZV LQJ WKH ZDWHU SXPS 4 Take out the pump and replace it Take out the pump and replace it 5 Connect the drainage pipe and tighten the screws LQJ WKH...

Page 122: ...f panel parts Remark Make sure the power supply is cut off before disassembling and protect all the parts during disassembly Do not scratch the outer parts Step Illustration Handling Instruction Disas...

Page 123: ...e power supply is cut off before disassembling and protect all the parts during disassembly Step Illustration Handling Instruction LVDVVHPEO RI LQJ plate sub assy for air sweeping fans Remove the disp...

Page 124: ...K3FI Disassembly of panel grating module Remark Make sure that the power supply is cut off before disassembling and protect all the parts GXULQJ GLVDVVHPEO R QRW SXW OWHU VFUHHQ QHDU WKH KLJK WHPSHUDW...

Page 125: ...XULQJ GLVDVVHPEO HVSHFLDOO WKH MRLQWV RI WKH DLU GH HFWLQJ SODWH Step Illustration Handling Instruction Disassembly of sub assy RI DLU GH HFWLQJ SODWH 5HPRYH WKH DLU GH HFWLQJ SODWHV IURP WKH DLU GH H...

Page 126: ...ds and remove it As is shown in the graph circle represents 2 screws on left and right Disassembly of fan and motor components Remark Make sure that the power supply is cut off before disassembling an...

Page 127: ...124 U Match Series DC Inverter Service Manual 5 EXPLODED VIEWS AND SPARE PART LIST 5 1 Outdoor Unit Model GUHD09NK3FO GUHD12NK3FO Exploded Views and spare parts list...

Page 128: ...3042800008 1 13 Electric Expand Valve Fitting 4304413208 1 4304413208 1 14 Valve 07100005 1 07100005 1 15 Big Handle 26233433 1 26233433 1 16 Right Side Plate Assy 0130200404 1 0130200404 1 17 Valve S...

Page 129: ...126 U Match Series DC Inverter Service Manual Model GUHD18NK3FO Exploded Views and spare parts list...

Page 130: ...t off Valve 071302392 1 17 Valve Support Assy 01715010P 1 18 Valve Cover 22245002 1 19 Cut off Valve 07130239 1 20 Handle 26235254 1 21 Right Side Plate 01305094 1 22 Strainer 07212403 1 23 Silencer 0...

Page 131: ...128 U Match Series DC Inverter Service Manual Model GUHD24NK3FO GUHD30NK3FO Exploded Views and spare parts list...

Page 132: ...35001 1 26235001 1 21 Cut off Valve 07133157 1 07133157 1 22 Strainer 07215201 1 07215201 1 23 Magnet Coil 4300040033 1 4300040033 1 24 4 way Valve 4300008201 1 4300008201 1 25 Strainer 07225088 1 072...

Page 133: ...130 U Match Series DC Inverter Service Manual Model GUHD36NK3FO Exploded Views and spare parts list...

Page 134: ...Sub Assy 01805200222P 1 19 Cut off Valve 071302391 1 20 Cut off Valve 07133157 1 21 Electronic Expansion Valve Sub Assy 43045200007 1 22 Temperature Sensor 39008000049G 1 23 Filter 07213032 1 24 Elec...

Page 135: ...132 U Match Series DC Inverter Service Manual Model GUHD42NK3FO Exploded Views and spare parts list...

Page 136: ...Expand Valve Fitting 4300010839 1 22 Temperature Sensor 3900028025G 1 23 Strainer 07411100014 1 Silencer 07245012 1 24 Silencer 07245012 1 25 Compressor Overload Protector External 00180030 1 25 Compr...

Page 137: ...134 U Match Series DC Inverter Service Manual Model GUHD48NK3FO Exploded Views and spare parts list...

Page 138: ...lve Cover 26904100056 1 21 Rear Side Plate 01314100020P 1 22 Electronic Expansion Valve 07335283 1 23 Electric Expand Valve Fitting 4304001902 1 24 Strainer 07411100014 1 25 Temperature Sensor 3900028...

Page 139: ...Plate Assy 01315200072 1 4 Electric Box Assy 01395200239 1 5 Main Board 30224000030 1 6 Terminal Board 42010194 1 7 Terminal Board 4201025301 1 8 Left Evaporator Support 01094122 1 9 Choke Plug of Dra...

Page 140: ...e Plate Assy 01314175 1 19 Hook 02112446 4 20 Centrifugal fan 10319051 2 21 Front Volute Casing 22202030 2 22 side plate sub assy of return air frame 02225234 1 23 Filter 11725202 1 24 Temperature Sen...

Page 141: ...138 U Match Series DC Inverter Service Manual Model GFH12K3FI GFH18K3FI exploded view and spare parts list...

Page 142: ...rainer 07212121 1 07212121 1 15 left Supporting Board sub assy of evaporator 01805280 1 01805280 1 16 Filter 11725202 1 11725202 1 17 Evaporator Assy 01025200057 1 01025200053 1 18 Evaporator Assy 010...

Page 143: ...140 U Match Series DC Inverter Service Manual Model GFH24K3FI GFH30K3FI exploded view and spare parts list...

Page 144: ...1 10 Choke Plug of Drain Pipe 76712455 1 76712455 1 11 Evaporator Assy 01025200050 1 01025200050 1 12 Filter Sub Assy 11125303 2 11125303 2 13 Guiding Slot of Filter 02285301 1 02285301 1 14 Hook 021...

Page 145: ...142 U Match Series DC Inverter Service Manual Model GFH36K3FI GFH42K3FI exploded view and spare parts list...

Page 146: ...er Mounting Plate Sub Assy 01325200044 1 01325200044 1 10 Brushless DC Motor 15709400006 1 15709400006 1 11 Centrifugal Fan Blade 10424100001 2 10424100001 2 12 Volute Casing Lower 26904100052 2 26904...

Page 147: ...144 U Match Series DC Inverter Service Manual Model GFH48K3FI exploded view and spare parts list...

Page 148: ...Plate Sub Assy 01325200057 1 10 Propeller Housing Lower 26905200011 2 11 Bottom Cover Board Assy 01265200045 1 12 Drain Pan Assy 01285200025 1 13 Pump Drainpipe 0 0 14 Water Level Switch 0 0 15 Water...

Page 149: ...146 U Match Series DC Inverter Service Manual 5 2 2 Cassette Type Model GKH12K3FI GKH18K3FI exploded view and spare parts list...

Page 150: ...1 12509400004 1 11 Base Plate Assy 02229400007 1 02229400007 1 12 Body Installing Support 01332705 4 01332705 4 13 Left Side Plate Sub Assy 01319400012 1 01319400012 1 14 Pressure Plate of Outlet Pipe...

Page 151: ...148 U Match Series DC Inverter Service Manual Model GKH24K3FI GKH30K3FI GKH36K3FI GKH42K3FI exploded view and spare parts list...

Page 152: ...cted Board Assy of Evaporator 01074042 1 01072732 1 14 Tube Exit Plate Assy 01382715 1 01382715 1 15 Bottom Foam Assy 52012722 1 52012721 1 16 Pump Support 01329416 1 01332721 1 17 Pump Drainpipe 0523...

Page 153: ...cted Board Assy of Evaporator 01072732 1 01072732 1 14 Tube Exit Plate Assy 01382715 1 01382715 1 15 Bottom Foam Assy 52012721 1 52012721 1 16 Pump Support 01332721 1 01332721 1 17 Pump Drainpipe 0523...

Page 154: ...151 U Match Series DC Inverter Service Manual Model GKH48K3FI GKH60K3FI exploded view and spare parts list...

Page 155: ...11 Connection Sheet Sub Assy 01349400002 1 12 Left and Right Side Board 01319448 2 13 Seat Board Sub Assy 02229400001 1 14 Tube Exit Plate Sub Assy 02229400002 1 15 Mounting Board 01329420 1 16 Front...

Page 156: ...153 U Match Series DC Inverter Service Manual 5 2 3 Floor Ceiling Type Model GTH09K3FI GTH12K3FI GTH18K3FI GTH24K3FI exploded view and spare parts list...

Page 157: ...9413 1 26909413 1 22 Connecting Rod 26909411 1 26909411 1 23 Rotating Shaft 26909412 1 26909412 1 24 Stepping Motor 1521240206 1 1521240206 1 25 Installation Supporting Frame 01809401 1 01809401 1 26...

Page 158: ...9413 1 26909413 1 22 Connecting Rod 26909411 1 26909411 1 23 Rotating Shaft 26909412 1 26909412 1 24 Stepping Motor 1521240206 1 1521240206 1 25 Installation Supporting Frame 01809401 1 01809401 1 26...

Page 159: ...156 U Match Series DC Inverter Service Manual Model GTH30K3FI GTH36K3FI GTH42K3FI exploded view and spare parts list...

Page 160: ...Display Board 30294000009 1 30294000009 1 24 Evaporator Assy 01029400041 1 01029400050 1 25 Rotating Shaft 26909413 1 26909413 1 26 Connecting Rod 26909411 1 26909411 1 27 Rotating Shaft 26909412 1 26...

Page 161: ...xed Mount 26909426R 1 23 Display Board 30294000009 1 24 Evaporator Assy 01029400050 1 25 Rotating Shaft 26909413 1 26 Connecting Rod 26909411 1 27 Rotating Shaft 26909412 1 28 Stepping Motor 152124020...

Page 162: ...159 U Match Series DC Inverter Service Manual Model GTH48K3FI GTH60K3FI exploded view and spare parts list...

Page 163: ...Connection Board 01349404P 1 20 Display Board 30294000009 1 21 Fixed Mount 26909426R 1 22 Evaporator Assy 0102947101 1 23 Stepping Motor 1521240206 2 24 Left Foam Assy 12509437 1 25 Rear Side Plate Su...

Page 164: ...JF00301816...

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