Gree GWC18QD-D3DNA1D Page 91 Service Manual Download

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Installation and Maintenance

Service Manual

Steps

15.Remove left side plate

left side plate

Twist off the screws connecting the left side plate
and chassis with screwdriver, and then remove
the left side plate.

Pull it upwards to separate the chassis and
condenser.

16.Remove chassis and condenser

chassis

condenser

Procedure

Summary of Contents for GWC18QD-D3DNA1D

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual Models GWC18QD D3DNA1D GWH18QD D3DNA1D GWC24QE D3DNA1D GWH24QE D3DNA1D Refrigerant R410A...

Page 2: ...10 5 Electrical Part 11 5 1 Wiring Diagram 11 5 2 PCB Printed Diagram 14 6 Function and Control 17 5HPRWH RQWUROOHU QWURGXFWLRQ 17 ULHI HVFULSWLRQ RI 0RGHV DQG XQFWLRQV 22 Part Installation and Maint...

Page 3: ...DOIXQFWLRQ 58 10 Exploded View and Parts List 60 10 1 Indoor Unit 60 2XWGRRU 8QLW 64 11 Removal Procedure 72 5HPRYDO 3URFHGXUH RI QGRRU 8QLW 72 5HPRYDO 3URFHGXUH RI 2XWGRRU 8QLW 77 Appendix 88 SSHQGL...

Page 4: ...anual 1 Summary Indoor Unit Outdoor Unit Part Technical Information GWC18QD D3DNA1D O GWH18QD D3DNA1D O GWC24QE D3DNA1D O GWH24QE D3DNA1D O Remote Controller 1 GWC18QD D3DNA1D I GWH18QD D3DNA1D I GWC2...

Page 5: ...R WX K 12 00 12 00 COP WX K 11 45 SEER 20 20 63 9 Application Area yd2 27 51 40 66 27 51 40 66 Indoor Unit 0RGHO RI LQGRRU XQLW GWC18QD D3DNA1D I LC GWH18QD D3DNA1D I LCLH QGRRU 8QLW 3URGXFW RGH CB419...

Page 6: ...P OXPLQXP LQ FRSSHU 7XEH OXPLQXP LQ FRSSHU 7XEH Pipe Diameter LQFK 5RZV Q DS LQFK 2 1 18 2 1 18 RLO HQJWK LQFK DQ 0RWRU 6SHHG rpm 750 750 2XWSXW RI DQ 0RWRU W 60 60 DQ 0RWRU 5 A 0 52 0 52 DQ 0RWRU DSD...

Page 7: ...02 COP WX K 11 50 SEER 20 20 63 9 Application Area yd2 32 29 50 23 32 29 50 23 Indoor Unit 0RGHO RI LQGRRU XQLW GWC24QE D3DNA1D I LC GWH24QE D3DNA1D I LCLH QGRRU 8QLW 3URGXFW RGH CB419N03500 CB419N03...

Page 8: ...RLO HQJWK LQFK DQ 0RWRU 6SHHG rpm 820 820 2XWSXW RI DQ 0RWRU W 92 92 DQ 0RWRU 5 A 0 65 0 65 DQ 0RWRU DSDFLWRU LU ORZ 9ROXPH RI 2XWGRRU 8QLW 0 2354 2354 DQ 7 SH LDO RZ LDO RZ DQ LDPHWHU LQFK HIURVWLQJ...

Page 9: ...tions Indoor DB70 F WB60 F Outdoor DB19 94 F WB19 04 F Indoor air flow Super High Pipe length 24 6ft 2 3 Capacity Variation Ratio According to Temperature Cooling Cooling Heating Heating 4 5 14 110 10...

Page 10: ...r and RXWGRRU XQLW QOHW DQG RXWOHW SLSH WHPSHUDWXUH RI KHDW H FKDQJHU DQ VSHHG RI LQGRRU XQLW DQ VSHHG RI RXWGRRU XQLW Compressor UHYROXWLRQ rps Indoor 2XWGRRU P MPa 7 7 70 60 19 94 19 04 18K 3 5 3 8...

Page 11: ...Manual 3 Outline Dimension Diagram 3 1 Indoor Unit W D H 4 27 7 1 5 5 1 2 7 1 2 1 1 2 1 1 2 2 1 6 2 1 6 3 1 9 6 1 2 3 1 2 3 8 1 9 27 7 1 3 2 3 4 2 3 4 8QLW LQFK 18K 24K Models W H D 18K 38 1 5 11 4 5...

Page 12: ...9 7HFKQLFDO QIRUPDWLRQ Service Manual 3 2 Outdoor Unit 8QLW LQFK 35 13 2 5 27 5 9 15 3 5 38 14 1 3 22 18K 24K 8QLW LQFK 14 4 7 31 1 9 16 4 5 15 5 9 39 3 8 24 36 2 9...

Page 13: ...unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Electron expansion valve Strainer Accumlator C...

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Page 16: ...OHFWULFDO VKRFN 35 17 5 8 7 2 5 3 1 203 5 1 0 1 7 7 03 6 1625 28778 2875220 7 03 6 1625 7 03 6 1625 867 7B6 1625 57 57 1 3 5 9 8 8 8 5 8 9 8 5 2 1 29 B 203 6 7 1 203 9 1 2 1 5 725 21 7 5 27720 5 5 7 1...

Page 17: ...door Unit 1 1HXWUDO ZLUH 2 DC fan 3 Up down swing 3 XWR EXWWRQ 4 HIW ULJKW VZLQJ 5 Interface of wired controller 6 Interface of wired controller 7 Display interface 8 XPSHU LQWHUIDFH 9 Relay 10 Relay...

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Page 19: ...NA1D O 1 Compressorinter face 2 RPSUHVVRU RYHUORDG protector 3 7HPSHUDWXUH VHQVRU 4 OHFWULF H SDQVLRQ YDOYH 5 2XWGRRU IDQ 6 ZD YDOYH 7 RPPXQLFDWLRQ LQWHUIDFH ZLWK LQGRRU XQLW 8 LYH ZLUH 9 DUWKLQJ ZLUH...

Page 20: ...Heat mode DQ PRGH Dry mode Cool mode XWR PRGH Operation mode I feel Note IWHU SXWWLQJ WKURXJK WKH SRZHU WKH DLU FRQGLWLRQHU ZLOO JLYH RXW D VRXQG 2SHUDWLRQ LQGLFWRU LV 21 UHG LQGLFDWRU IWHU WKDW RX FD...

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Page 27: ...ns and processes of cooling operation I WKH FRPSUHVVRU LV VKXW GRZQ DQG 7VHWXS 7LQGRRU DPELHQW WHPSHUDWXUH TFRROLQJ LQGRRU DPELHQW WHPSHUDWXUH FRPSHQVDWLRQ VWDUW XS WKH PDFKLQH IRU FRROLQJ WKH FRROLQJ...

Page 28: ...U KHDWLQJ WKH FRPSUHVVRU LV VZLWFKHG RQ 2 Defrosting D HIURVWLQJ VWDUWV WKH FRPSUHVVRU LV VKXW GRZQ DQG UHVWDUWV LW DIWHU VHFRQG GHOD E HIURVWLQJ HQGV WKH FRPSUHVVRU VWRSV WKHQ VWDUWV LW DIWHU VHFRQG...

Page 29: ...LW VKRXOG QRW EH VWDUWHG DQG VKRXOG EH VWRSSHG WR WUHDW DFFRUGLQJ WR WKH RYHUORDG SURWHFWLRQ OHDU WKH WURXEOH DW WKH PRGH RI SRZHU WXUQ RII KHDWLQJ DQG WKH SURWHFWLRQ WLPHV DUH QRW FRXQWHG 2 Frequency...

Page 30: ...XHQF UHGXFLQJ WHPSHUDWXUH DW QRUPDO VSHHG GXULQJ GLVFKDUJLQJ RX VKRXOG OLPLW WKH IUHTXHQF UDLVLQJ RI compressor 3 Reducing frequency at normal speed and stopping machine I 7IUHTXHQF UHGXFLQJ WHPSHUDWX...

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Page 34: ...the unit adequately grounded The grounding wire can t be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral w...

Page 35: ...ng tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 T...

Page 36: ...5 8 9 inch At least 5 8 9 inch Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S Space to the obstruction Drainage pipe Space to the wall Space to the obstruct...

Page 37: ...or unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installat...

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Page 39: ...V VKRZ LQ LJ 5 Connect the Pipe of Indoor Unit LP WKH SLSH MRLQW DW WKH FRUUHVSRQGLQJ EHOOPRXWK V VKRZ LQ LJ 3UHWLJKWHQLQJ WKH XQLRQ QXW ZLWK KDQG GMXVW WKH WRUTXH IRUFH E UHIHUULQJ WR WKH IROORZLQJ...

Page 40: ...PRYH WKH VFUHZ RQ WKH ZLULQJ FRYHU DQG WKHQ WDNH GRZQ WKH FRYHU V VKRZ LQ LJ 8 Bind up Pipe LQG XS WKH FRQQHFWLRQ SLSH SRZHU FRUG DQG GUDLQ KRVH ZLWK WKH EDQG V VKRZ LQ LJ 5HVHUYH D FHUWDLQ OHQJWK RI...

Page 41: ...tric Wire 5HPRYH WKH ZLUH FOLS FRQQHFW WKH SRZHU FRQQHFWLRQ ZLUH DQG SRZHU FRUG WR WKH ZLULQJ WHUPLQDO WKHP ZLWK VFUHZV V VKRZ LQ LJ 6 Neaten the Pipes 7KH SLSHV VKRXOG EH SODFHG DORQJ WKH ZDOO EHQW U...

Page 42: ...e Vacuum Pump 5HPRYH WKH YDOYH FDSV RQ WKH OLTXLG YDOYH DQG JDV YDOYH DQG WKH QXW RI UHIULJHUDQW FKDUJLQJ YHQW RQQHFW WKH FKDUJLQJ KRVH RI SLH RPHWHU WR WKH UHIULJHUDQW FKDUJLQJ YHQW RI JDV YDOYH DQG...

Page 43: ...RI RXWGRRU XQLW DQG WKHQ UHPRYH WKH FRYHU RI HOHFWULF ER V VKRZQ LQ WKH J EHORZ FRQQHFW WKH SOXJ RI GLVFKDUJH UHVLVWDQFH DERXW RKP LI WKHUH LV QR GLVFKDUJH UHVLVWDQFH RX FDQ XVH WKH SOXJ RI VROGHULQJ...

Page 44: ...ntenance Service Manual 9 2 Error Code List Malfunction of zero cross derection U8 Off 3s and blink 17 times The complete unit stops 1 Power supply is abnormal 2 Detection circuit of indoor control ma...

Page 45: ...al It s the normal state Off 3s and blink once during blinking ON 10s and Off 05s Defrosting will occur in heating mode Compressor will operate while indoor fan will stop Complete unit current detecti...

Page 46: ...43 Installation and Maintenance Service Manual...

Page 47: ...controller loosened or poorly contacted Insert the temperature sensor tightly yes Is malfunction eliminated Is there short circuit due to trip over of the parts Make the parts upright yes Is malfuncti...

Page 48: ...on is eliminated Reinsert the wiring terminal of indoor fan It s the malfunction of main board Replace a new main board that is of the same model It s the malfunction of main board Replace a new main...

Page 49: ...er cap inserted correctly and tightly Replace the jumper cap with the same model End yes yes Assemble the jumper cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tight...

Page 50: ...board matches with display board Main board of IDU matches with that of ODU Communication cord is damaged Replace IDU s main board Malfunction eliminated End Connect the line according to wiring diag...

Page 51: ...ZHHQ DQG Electrolytic capacitor of power DC 180V 380V Test 5 Two ends of diode D15 30 PRGXODU 9 SRZHU VXSSO DC 14 5V 15 6V Test 6 Two ends of electrolytic capacitor C715 9 SRZHU VXSSO DC 12V 13V Test...

Page 52: ...he voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut down the p...

Page 53: ...3 DQG FRPSUHVVRU 203 LV ZHOO FRQQHFWHG I WKH DUH ORRVHQHG I WKH FRQQHFWLRQ VHTXHQFH LV FRUUHFW V YROWDJH LQSXW LQ WKH QRUPDO UDQJH 7HVW WKH YROWDJH EHWZHHQ 1 RI ZLULQJ ERDUG 7 E YROWDJH PHWHU I FRLO U...

Page 54: ...the voltage between the two ends of capacitor C2 until the voltage is lower than 20V Replace the capacitor C2 Then energize and start the unit Replace the control panel AP1 Take corrective actions ac...

Page 55: ...Check if fan terminal OFAN is connected well 2 Test if resistance value of any two terminals is less than 1k with ohmic meter If the indoor and outdoor fan work well After the unit de energized for 2...

Page 56: ...COMP UVW is well connected and connection sequence is correct Replace control board AP1 Replace the compressor If malfunction is removed If the stop time of compressor is more than 3min N If the stop...

Page 57: ...n works normally If the stop time of compressor is more than 3min Synchronism after energize the unit and start it Connect wire well Synchronism occurred during operation Replace control board AP1 If...

Page 58: ...g diagram Replace EKV coil of electron expansion valve If the wiring terminal FA of electron expansion is well connected Remove malfunction The resistance value of first 4 l ead foot an d th e fifth l...

Page 59: ...art Check communication circuit of outdoor unit Problem of communication circuit Check built in wiring of indoor and outdoor unit Connection correct Malfunction of circuit is detected with control boa...

Page 60: ...er Number jumping Outdoor unit malfunction Test voltage value with Test 13 position in diagram with voltage meter Number jumping Test voltage value with Test 11 position in diagram with voltage meter...

Page 61: ...details 0DOIXQFWLRQ RI FRPSUHVVRU Compressor can t operate 5HIHU WR SRLQW RI PDLQWHQDQFH PHWKRG IRU details 9 4 Troubleshooting for Normal Malfunction 1 Air conditioner can t be started up 2 Poor coo...

Page 62: ...DLQ SLSH Replace drain pipe UDSSLQJ LV QRW WLJKW DWHU OHDNLQJ IURP WKH SLSH FRQQHFWLRQ SODFH RI LQGRRU XQLW UDS LW DJDLQ DQG EXQGOH LW WLJKWO 5 Compressor can t operate 3RVVLEOH FDXVHV LVFULPLQDWLQJ P...

Page 63: ...60 Installation and Maintenance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit 18K Unit...

Page 64: ...WRU 6XSSRUW 24212177 24212177 1 17 YDSRUDWRU VV 0100200001401 0100200001401 1 18 URVV ORZ DQ 10352060 10352060 1 19 DQ 0RWRU 15012136 15012136 1 20 Motor Press Plate 26112511 26112511 1 21 DOO 0RXQWLQ...

Page 65: ...62 Installation and Maintenance Service Manual 24K Unit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 38 34 35 36 37...

Page 66: ...H 01252229 01252229 1 16 Motor Press Plate 26112515 26112515 1 17 DQ 0RWRU 15012136 15012136 1 18 Connecting pipe clamp 26112514 26112514 1 19 Drainage Hose 0523001405 0523001405 1 20 Stepping Motor 1...

Page 67: ...64 Installation and Maintenance Service Manual 10 2 Outdoor Unit 24 8 7 6 5 4 3 2 1 16 9 15 14 13 12 11 10 23 20 18 30 25 29 28 27 26 21 19 17 22 31 GWC18QD D3DNA1D O...

Page 68: ...12 XW RII 9DOYH 6XE VV 07133204 1 13 9DOYH RYHU 22245002 1 14 5LJKW 6LGH 3ODWH 0130509403P 1 15 Retaining Plate 02115006P 1 16 Handle Assy 02113109 1 17 Wire Clamp 71010003 1 18 7HPSHUDWXUH 6HQVRU 390...

Page 69: ...66 Installation and Maintenance Service Manual GWH18QD D3DNA1D O 6 5 4 3 2 1 36 34 33 7 8 9 17 20 29 30 31 32 28 27 26 22 23 24 25 21 19 16 15 14 13 12 11 10 18 35...

Page 70: ...1 15 Condenser Assy 0111360901 1 16 Rear Grill 01473043 1 17 Wiring Clamp 26115004 1 18 7HPSHUDWXUH 6HQVRU 39000072 1 19 Handle 26233053 1 20 XW RII 9DOYH 07130239 1 21 9DOYH RYHU 22245002 1 22 XW RII...

Page 71: ...68 Installation and Maintenance Service Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 GWC24QE D3DNA1D O...

Page 72: ...VV 01705025 1 13 RQGHQVHU 6XSSRUW 3ODWH 01175092 1 14 ODSERDUG 6XE VV 01235040 1 15 Condenser Assy 01100200162 1 16 Rear Grill 01475013 1 17 Wiring Clamp 26115004 1 18 7HPSHUDWXUH 6HQVRU 3900030901 1...

Page 73: ...70 Installation and Maintenance Service Manual GWH24QE D3DNA1D O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31...

Page 74: ...ping 01255006P 1 12 0RWRU 6XSSRUW 6XE VV 01705025 1 13 RQGHQVHU 6XSSRUW 3ODWH 01175092 1 14 ODSERDUG 6XE VV 01235040 1 15 Condenser Assy 01100200162 1 16 Rear Grill 01475013 1 17 Wiring Clamp 26115004...

Page 75: ...d discharge the refrigerant completely before removal 1 Remove filter assy Open the front panel Push the left and right filters to make them break away from the groove on the front case Then remove th...

Page 76: ...d discharge the refrigerant completely before removal 1 Remove filter assy Open the front panel Push the left and right filters to make them break away from the groove on the front case Then remove th...

Page 77: ...ce Service Manual Loosen the connection clasps between front case sub assy and bottom case Lift up the front case sub assy and take it out S wing motor Screw off the screws that are locking the swing...

Page 78: ...the indoor tube temperature sensor Screw off one grounding screw Remove the wiring terminals of motor and stepping motor Remove the electric box assy Screw off the screws that are locking each lead w...

Page 79: ...lation and Maintenance Service Manual R ear case assy First remove the left side of evaporator from the groove on the rear case assy Then remove the right side from the clasp on the rear case assy Gro...

Page 80: ...76 Installation and Maintenance Service Manual...

Page 81: ...valve cover and right side plate and then remove the valve cover 2 Remove grille and outer case grille Remove the 4 screws connecting the grille and outer case and then remove the panel grille Remove...

Page 82: ...ide plate and left side plate and then remove the outer case Remove the screws connecting the right side plate with electric box assy valve support chassis and condenser side plate and then remove the...

Page 83: ...e 2 screws connecting the motor support and chassis and then loosen the stopper to remove the motor support Remove the screws fixing the electric box sub assy loosen the wire bundle pull out the wirin...

Page 84: ...hen remove the isolation plate Unsolder the welding joints connecting the 4 way valve assy with capillary sub assy compressor and condenser remove the 4 way valve Note Before unsoldering the welding j...

Page 85: ...of discharge pipe and suction pipe from foreign objects Remove the screws connecting the support condenser and condenser assy and then remove the support condenser Remove the 2 screws fixing the cond...

Page 86: ...top panel 3 Remove front side panel front side panel Loosen the screws connecting the front side panel and chassis Remove the front side panel Procedure valve cover Remove the screw connecting the big...

Page 87: ...he panel Twist off the screws connecting the grille and panel and then remove the grille 5 Remove right side plate right side plate Twist off the screws connecting the right side plate and chassis val...

Page 88: ...ers pull out the wiring terminal pull it upwards to remove the electric box electric box fireproofing Twist off the screws on electric box fireproofing with screwdriver and then remove the electric bo...

Page 89: ...e motor support Twist off the screws connecting isolation sheet and end plate of condenser and chassis and then remove the isolation sheet 11 Remove 4 way valve 10 Remove isolation sheet isolation she...

Page 90: ...g joint wrap the gas valve with wet cloth completely to avoid the damage to valve and release all refrigerant completely at first Unsolder the soldering joint between liquid valve and connection pipe...

Page 91: ...left side plate left side plate Twist off the screws connecting the left side plate and chassis with screwdriver and then remove the left side plate Pull it upwards to separate the chassis and condens...

Page 92: ...77 77 25 86 86 30 GGLWLRQDO UHIULJHUDQW FKDUJLQJ DPRXQW IRU 5 5 5 DQG 5 D Diameter of connection pipe 2XWGRRU XQLW WKURWWOH LTXLG SLSH LQFK DV SLSH LQFK Cooling only oz ft RROLQJ DQG KHDWLQJ oz ft RU...

Page 93: ...pipe according to the following steps XW WKH SLS RQ UP WKH SLSH OHQJWK DFFRUGLQJ WR WKH GLVWDQFH RI LQGRRU XQLW DQG RXWGRRU XQLW XW WKH UHTXLUHG SLSH ZLWK SLSH FXWWHU 5HPRYH WKH EXUUV 5HPRYH WKH EXUUV...

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Page 95: ...3 04 165 2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102 2 11 06 172 4 2 663 242 6 0 83...

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