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64

Installation and Maintenance

Service Manual

NO.

Description

Part Code

Qty

GWHD(24)NK3MO

Product  Code

CB228W06601

1

Front Grill

 22413026

1

2

Cabinet

 01435004P

1

3

Left Handle

 26235401

1

4

Front Side Plate

 01305086P

1

5

Drainage Connecter

 06123401

1

6

Chassis Sub-assy

 0280328001P

1

7

Gas-liquid Separator Assy

 07225017

1

8

Compressor and Fittings

 0010524501

1

9

Tube Connector Sub-assy

 06643008

2

10

4-Way Valve Assy

 03073181

1

11

Connection Pipe

 05113723

1

12

Magnet Coil

 4300040045

1

13

Electronic Expansion Valve assy

 0713395301

1

14

Valve Support Assy

 0713395401

1

15

Cut off Valve

 07130239

1

16

Cut off Valve

 071302391

1

17

Right Side Plate

 01314100009P

1

18

Valve Cover

 26904100012

1

19

Electric Expand Valve Fitting

 4300008402

1

20

Electric Expand Valve Fitting

 4300008401

1

21

Electric Expand Valve Fitting

 43000084

1

22

Temperature Sensor

 3900007306

1

23

Temperature Sensor

 3900007305

1

24

Temperature Sensor

 39000073

1

25

Wiring Clamp

 26115004

1

26

Temperature Sensor

 3900030901

1

27

Rear Grill

 01574100003

1

28

Condenser Assy

 01163980

1

29

Electric Box (Fireproofing)

 01413426

1

30

Clapboard Sub-Assy

 01233190

1

31

Motor Support Sub-Assy

 01705025

1

32

Coping

 01255006P

1

33

Fan Motor

 1501403402

1

34

Condenser Support Plate

 01175092

1

35

Axial Flow Fan

 10335014

1

36

Left Side Plate

 01305043P

1

37

Connecting Cable

 4002054026

0

38

Electric Box Assy

 10000201937

1

39

Terminal Board

 420111041

3

40

Connection Support

 01703211

1

41

Electric Box

 20113015

1

42

Main Board

 30138000733

1

43

Electric Box Cover Sub-Assy

 02603217

1

Above data is subject to change without notice.

Содержание GWHD(14)NK3DO

Страница 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual Models GWHD 14 NK3DO GWHD 18 NK3KO GWHD 21 NK3KO GWHD 24 NK3MO GWHD 28 NK3KO Refrigerant R410A...

Страница 2: ...8 2 Installing the Outdoor Unit 31 8 3 Installation Dimension Diagram 32 8 4 Check after Installation 33 9 Maintenance 34 9 1 Precautions before Performing Inspection or Repair 34 9 2 Flashing LED of...

Страница 3: ...1 Technical Information Service Manual 1 Summary Part Technical Information Outdoor Unit GWHD 18 NK3KO GWHD 21 NK3KO GWHD 14 NK3DO GWHD 24 NK3MO GWHD 28 NK3KO...

Страница 4: ...6233 KSD115O CHPC115 95U1 Throttling Method Electron expansion valve Electron expansion valve Cooling Operation Ambient Temperature Range O C 15 43 18 43 Heating Operation Ambient Temperature Range O...

Страница 5: ...ter of Liquid Pipe GREE Allocation Metric mm 6 6 Outer Diameter of Gas Pipe GREE Allocation Metric mm 9 52 9 52 Outer Diameter of Liquid Pipe GREE Allocation Metric mm 6 6 Outer Diameter of Gas Pipe G...

Страница 6: ...O CHPC115 95U1 Throttling Method Electron expansion valve Electron expansion valve Cooling Operation Ambient Temperature Range O C 15 43 18 43 Heating Operation Ambient Temperature Range O C 20 24 15...

Страница 7: ...as Connection Pipe Length m 10 10 Connection Pipe Gas Additional Charge g m 20 20 Outer Diameter of Liquid Pipe GREE Allocation Metric mm 6 6 Outer Diameter of Gas Pipe GREE Allocation Metric mm 9 52...

Страница 8: ...HPC115 95U1 Throttling Method Electron expansion valve Electron expansion valve Cooling Operation Ambient Temperature Range O C 15 43 18 43 Heating Operation Ambient Temperature Range O C 20 24 15 24...

Страница 9: ...al Charge g m 20 20 Outer Diameter of Liquid Pipe GREE Allocation Metric mm 6 6 Outer Diameter of Gas Pipe GREE Allocation Metric mm 9 52 9 52 Outer Diameter of Liquid Pipe GREE Allocation Metric mm 6...

Страница 10: ...O C HPC115 95U1 Throttling Method Electron expansion valve Electron expansion valve Cooling Operation Ambient Temperature Range O C 15 43 18 43 Heating Operation Ambient Temperature Range O C 20 24 15...

Страница 11: ...al Charge g m 20 20 Outer Diameter of Liquid Pipe GREE Allocation Metric mm 6 6 Outer Diameter of Gas Pipe GREE Allocation Metric mm 9 52 9 52 Outer Diameter of Liquid Pipe GREE Allocation Metric mm 6...

Страница 12: ...15O C HPC115 95U1 Throttling Method Electron expansion valve Electron expansion valve Cooling Operation Ambient Temperature Range O C 15 43 18 43 Heating Operation Ambient Temperature Range O C 20 24...

Страница 13: ...r of Gas Pipe GREE Allocation Metric mm 9 52 9 52 Outer Diameter of Liquid Pipe GREE Allocation Metric mm 6 6 Outer Diameter of Gas Pipe GREE Allocation Metric mm 9 52 9 52 Outer Diameter of Liquid Pi...

Страница 14: ...12 Technical Information Service Manual 3 Outline Dimension Diagram 892 341 396 963 560 700 368 2 Models GWHD 18 NK3KO GWHD 21 NK3KO 1 Model GWHD 14 NK3DO Unit mm Unit mm 303 838 550 903 378 596 354...

Страница 15: ...13 Technical Information Service Manual 924 370 427 1001 790 399 610 Unit mm 3 Models GWHD 24 NK3MO GWHD 28 NK3KO...

Страница 16: ...ger filter filter filter filter C2 C3 D3 D2 B3 B2 A2 A3 A1 A unit electronic expansion valve B1 B unit electronic expansion valve C1 C unit electronic expansion valve D1 D unit electronic expansion va...

Страница 17: ...1 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH YROWDJH RI WHUPLQDO 3 DQG 1 DW 3 LV KLJKHU WKDQ 9 WR SUHYHQW WKH ULVN RI HOHFWULFDO VKRFN 57 57 57 2035 6625 1 7 5 7 1 8 1 3 3527 725 29 5 2 211 725 4 4 97 97...

Страница 18: ...03 6 1625 2875220 7 03 6 1625 28778 1 1 1 1 225 81 7 1 225 81 7 2 5 725 3 16 21 7521 7521 3 16 21 3 16 21 7521 8 2 5 9 9 9 20 11 5 1 1 7 7 6 1625 33 5 5 97 97 9 9 9 2035 6625 36 3 8 6 7 35 6685 28778...

Страница 19: ...875220 28778 35 6685 6 7 8 3 36 9 9 9 97 97 33 7 6 1625 1 1 20 11 5 9 9 9 5 2 8 7521 3 16 21 3 16 21 7521 7521 3 16 21 5 725 2 3 1 3 1 2 5 725 7 50 1 7HPS 6HQVRU LTXLG 9DOYH DV 9DOYH 7 50 1 2 2 7 50 1...

Страница 20: ...6 7 3527 725 29 5 2 203 8 1 5 8 5 8 6 7 57 57 3 9 8 203 3 36 57 1 7 5 2035 6625 9 9 9 211 725 97 97 3 5 5 5 8 8 9 29 203 33 7 6 1625 7 9 9 3 16 21 7521 9 1 1 20 11 5 9 9 9 5 2 8 7521 3 16 21 9 9 3 16...

Страница 21: ...1 1 8 1 1 225 81 7 1 1 1 7 50 1 2 7 50 1 2 7 50 1 2 7 50 1 9DOYH DV 1 3 5 725 9 9 3 16 21 7521 7521 3 16 21 9 9 3 16 21 7521 8 2 5 9 9 9 20 11 5 1 1 9 7521 3 16 21 9 9 7 6 1625 33 29 203 9 8 8 5 3 97...

Страница 22: ...e protection terminal 5 Terminal of outdoor fan 6 Electric heating terminal of chassis 7 4 way valve terminal 8 Electric heating terminal of compressor 9 Terminal of electronic expansion valve A 10 Te...

Страница 23: ...High pressure protection terminal 4 Overload protection terminal of compressor 5 Terminal of temperature sensor 6 Electric heating terminal of chassis 7 Electric heating terminal of compressor 8 Term...

Страница 24: ...tarting and then it will run in set speed The fan shall run at every speed for at least 80s When the quantity of running indoor unit is changed the unit will enter the control described in 1 3 5 1 and...

Страница 25: ...then compare the mode of the other indoor units to see if there is a conflict Cooling mode dry mode is in conflict with heating mode b Fan mode is in conflict with heating mode and the heating mode i...

Страница 26: ...utting through the power 2 8 Compressor Phase lacking Protection When the compressor starts if one of the three phases is detected open the compressor will enter phase lacking protection The malfuncti...

Страница 27: ...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 wire...

Страница 28: ...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...

Страница 29: ...e 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 installation Note th...

Страница 30: ...e the following table Air switch should be included magnet buckle and heating buckle function it can protect the circuit short and overload Caution please do not use the fuse only for protect the circ...

Страница 31: ...irings of the unit A unit B unit C and unit D must be corresponding to each other respective The appliance shall be installed in accordance with national wiring regulations Note The above figures are...

Страница 32: ...to fixed point have some space The connection pipes and the connectiong wirings of the unit A unit B unit C and unit D must be corresponding to each other respective The appliance shall be installed...

Страница 33: ...the 2 way and 3 way valves 2 Unscrew and remove the cap from the service valve 3 Connect the vacuum pump hose to the service valve 4 Operate the vacuum pump for 10 15 minutes until an absolute vacuum...

Страница 34: ...hen picking up and moving the units you must be guidedby trained and qualified person Ensure that the recommende dspace is left around the appliance 30cm Space to the cover or above 30cm 50cm Air inle...

Страница 35: ...down or the components may be burned out Are the lines and pipelines correctly installed The unit may bread down or the components may be burned out Has the unit been safely grounded Are the models o...

Страница 36: ...en remove the cover of electric box cover 2 As shown in the fig below connect the plug of discharge resistance about 100ohm 20W if there is no discharge resistance you can use the plug of soldering ir...

Страница 37: ...or ambient temperature sensor is open short circuited Hardware malfunction F1 Indoor evaporator temperature sensor is open short circuited Hardware malfunction F2 Liquid valve temperature sensor is op...

Страница 38: ...eration status dd 7 E s u t a t s n o i t a r e p O t c i l f n o c e d o M o F s u t a t s n o i t a r e p O e d o m g n i l c y c e r t n a r e g i r f e R L A s u t a t s n o i t a r e p O n a f X...

Страница 39: ...est the resistance between the three phases Reconnect the wire of the compressor according to the correct wiring method If the resistance is normal If the resistance is above 500M Replace the compress...

Страница 40: ...Main checking points If the mainboard is broken If the wiring of the induction is connected well and if the induction is broken Flow chart Start Check if power supply is normal Power supply is abnorm...

Страница 41: ...ply is abnormal Check if the outdoor induction is broken n o i t c u d n i e h t e c a l p e R n e k o r b s i n o i t c u d n i e h T Replace the outdoor mainboard Malfunction is eliminated End Turn...

Страница 42: ...chart Eliminate the malfunction Eliminate the malfunction Eliminate the malfunction Replace the compressor End The unit appears desynchronizing as soon as energizing and starting The stop duration of...

Страница 43: ...oor mainboard Replace the outdoor unit Replace the fan capacitor Refrigerant amount is too much Input voltage is normal connected well Check if fan terminal is Improve radiation situation of the unit...

Страница 44: ...f the eletric expansion valve is coonected well Replace the overload protector Check the coil of the eletric expansion valve replace it if it is broken Eliminate the malfunction Reconnect according to...

Страница 45: ...longer than 3min If the connection wire of the compressor is connected well and correctly Eliminate the malfunction Reconnecttheconnectionwire ofthecompressoraccording to the wiring diagram If the re...

Страница 46: ...ether the temperature senspr is normal according to resistance table Replace the temperature sensor with the same model Replace the controller with the same model End Eliminate the malfunction6 6 Temp...

Страница 47: ...connection wire of DC fan is connected reliably If it is loose Flow chart Start End Replace the outdoor mainboard If the connection wire of DC fan is loose Check if the outdoor fan is blocked by forei...

Страница 48: ...Communication malfunction of some indoor units De energize check if the connection wire of indoor and outdoor unit and the wire of the eletric box is connected correctly Connected correctly Reconnect...

Страница 49: ...ording to the wiring diagram Connected correctly Reconnect according to the wiring diagram De energize check if the connection wire between the outdoor mainboard and the filter board according to the...

Страница 50: ...onment is good Flow chart Start If the outdoor ambient temperature is above 53 It is a normal protection please operate the unit after the outdoor ambient temperature has changed If the indoor and out...

Страница 51: ...for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 4 Maintenance Method for Normal Malfunction 1 Air Conditioner Can t be Started Up 2...

Страница 52: ...n pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor Can t Operate Possible causes Discriminatin...

Страница 53: ...stallation and Maintenance Service Manual 10 Exploded View and Parts List Model GWHD 14 NK3DO CB228W06501 26 27 28 29 30 31 32 The component picture is only for reference please refer to the actual pr...

Страница 54: ...07130239 1 13 Cut off Valve 071302391 1 14 Valve cover 22242101 1 15 Big Handle 26233048 1 16 Electric expand valve fitting 43000084 1 17 Electric expand valve fitting 4300008401 1 18 PFC Inductance...

Страница 55: ...53 Installation and Maintenance Service Manual Model GWHD 14 NK3DO CB228W06500 25 26 27 28 29 30 31 The component picture is only for reference please refer to the actual product...

Страница 56: ...2 Cut off Valve 07130239 1 13 Cut off Valve 071302391 1 14 Valve cover 22242101 1 15 Big Handle 26233048 1 16 Electric expand valve fitting 43000084 1 17 Electric expand valve fitting 4300008401 1 18...

Страница 57: ...55 Installation and Maintenance Service Manual Model GWHD 18 NK3KO CB228W06301 The component picture is only for reference please refer to the actual product...

Страница 58: ...30239 1 15 Cut off Valve 071302391 1 16 Valve Cover 20123029 1 17 Electric Expand Valve Fitting 43000084 1 18 Electric Expand Valve Fitting 4300008401 1 19 Temperature Sensor 39000073 1 20 Temperature...

Страница 59: ...57 Installation and Maintenance Service Manual Model GWHD 18 NK3KO CB228W06300 The component picture is only for reference please refer to the actual product...

Страница 60: ...ut off Valve 07130239 1 16 Cut off Valve 071302391 1 17 Valve Cover 20123029 1 18 Electric Expand Valve Fitting 43000084 1 19 Electric Expand Valve Fitting 4300008401 1 20 Temperature Sensor 39000073...

Страница 61: ...59 Installation and Maintenance Service Manual Model GWHD 21 NK3KO CB228W06401 38 39 40 41 The component picture is only for reference please refer to the actual product...

Страница 62: ...and valve fitting 4300008402 1 18 Electronic Expansion Valve assy 0713395601 1 19 Electric expand valve fitting 4300008401 1 20 Electric expand valve fitting 43000084 1 21 Magnet Coil 4300040045 1 22...

Страница 63: ...61 Installation and Maintenance Service Manual Model GWHD 21 NK3KO CB228W06400 38 39 40 41 The component picture is only for reference please refer to the actual product...

Страница 64: ...and valve fitting 4300008402 1 18 Electronic Expansion Valve assy 0713395601 1 19 Electric expand valve fitting 4300008401 1 20 Electric expand valve fitting 43000084 1 21 Magnet Coil 4300040045 1 22...

Страница 65: ...63 Installation and Maintenance Service Manual Model GWHD 24 NK3MO CB228W06601 The component picture is only for reference please refer to the actual product...

Страница 66: ...19 Electric Expand Valve Fitting 4300008402 1 20 Electric Expand Valve Fitting 4300008401 1 21 Electric Expand Valve Fitting 43000084 1 22 Temperature Sensor 3900007306 1 23 Temperature Sensor 390000...

Страница 67: ...65 Installation and Maintenance Service Manual Model GWHD 24 NK3MO CB228W06600 The component picture is only for reference please refer to the actual product...

Страница 68: ...1314100009P 1 20 Valve Cover 26904100012 1 21 Electric Expand Valve Fitting 4300008402 1 22 Electric Expand Valve Fitting 4300008401 1 23 Electric Expand Valve Fitting 43000084 1 24 Temperature Sensor...

Страница 69: ...67 Installation and Maintenance Service Manual Model GWHD 28 NK3KO CB228W06201 The component picture is only for reference please refer to the actual product...

Страница 70: ...3 1 20 Electric Expand Valve Fitting 4300008402 1 21 Electric Expand Valve Fitting 4300008401 1 22 Electric Expand Valve Fitting 43000084 1 23 Temperature Sensor 3900007307 1 24 Temperature Sensor 390...

Страница 71: ...69 Installation and Maintenance Service Manual Model GWHD 28 NK3KO CB228W06200 The component picture is only for reference please refer to the actual product...

Страница 72: ...21 Electric Expand Valve Fitting 4300008403 1 22 Electric Expand Valve Fitting 4300008402 1 23 Electric Expand Valve Fitting 4300008401 1 24 Electric Expand Valve Fitting 43000084 1 25 Temperature Sen...

Страница 73: ...gerant completely before removal Step P s rocedure 1 Before disassembly Complete axonometric drawing 2 Remove valve cover Remove the connection screw fixing the valve cover and then remove the valve c...

Страница 74: ...p panel and the front panel and then remove the top panel 5 Remove front grille Remove the connection screws connecting the front grille and the front panel and then loosen the clasp to remove the fro...

Страница 75: ...d the valve support Then remove the right side plate 8 Remove rear grill Remove the screws connecting the rear grill and left side plate and then remove the rear grill 9 Remove left side plate Remove...

Страница 76: ...disconnect the leading wire insert of the motor Then remove the motor Remove the 2 tapping screws fixing the motor support and chassis and then lift the motor support to remove it 12 Remove electric...

Страница 77: ...rant completely before unsoldering Remove the screw connecting the valve support and the chassis and then remove the valve support assy Unsolder the welding joint connecting the electronic expansion v...

Страница 78: ...ts fixing the compressor and then remove the compressor 17 Remove condenser assy Remove the screws fixing the condenser support and then remove the condenser support Remove the screws connecting the c...

Страница 79: ...ove the connection screw fixing the valve cover and then remove the valve cover 3 Remove Coping Remove the connection screws connecting the top panel with the right side plate and the left side plate...

Страница 80: ...he front panel and then loosen the clasp to remove the front grille 5 Remove front panel Remove the screws connecting the front panel and then remove the front panel 6 Remove right side plate grille f...

Страница 81: ...de plate support Remove the screws connecting the rear grill and the left side plate and then remove the rear grill Remove the screws fixing the left side plate with the chassis and the condenser supp...

Страница 82: ...the nut on the blade and then remove the axial flow blade Remove the 4 tapping screws fixing the motor and disconnect the leading wire insert of the motor Then remove the motor Remove the 2 tapping sc...

Страница 83: ...induction Unsolder the welding joint connecting the 4 way valve assy with compressor suction and discharge port the valve with the outlet pipe of condenser Then lift the 4 way valve assy to remove it...

Страница 84: ...sheet compressor condenser assy Remove the screws connecting the middle isolation sheet with the chassis assy and the condenser assy and then remove the middle isolation sheet Remove the 3 foot nuts...

Страница 85: ...er the welding joint connecting the electronic expansion valve sub assy with the gas collection pipe and then remove the electronic expansion valve assy Note when unsoldering wrap the gas valve with a...

Страница 86: ...the right side plate and then remove the top panel 2 Remove grille front side plate and panel Remove Remove the 1 screw connecting the front side plate and the panel and then remove the front side pla...

Страница 87: ...the panel 3 Remove right side plate and left side plate Remove the screws connecting the right side plate with the chassis the valve support and the electric box and then remove the right side plate a...

Страница 88: ...t the wiring terminals and then pull the electric box upwards to remove it Remove the 4 tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Remove...

Страница 89: ...dproof sponge carefully 7 Remove Isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet isolation sheet Discharge the refrigerant completely unsolder the pi...

Страница 90: ...port 10 Remove support support 1 Remove the 2 bolts fixing the valve subassemblies Unsolder the welding joint connecting the gas valve and the return air pipe Remove the gas valve Note When unsolderin...

Страница 91: ...89 Installation and Maintenance Service Manual 11 Remove condenser sub assy Remove the chassis sub assy and condenser sub assy chassis sub assy condenser sub assy...

Страница 92: ...Celsius 32 33 32 0 55 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 4...

Страница 93: ...eps A Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and prevent t...

Страница 94: ...66 88 33 10 63 72 2 439 111 0 737 5 63 46 34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 06...

Страница 95: ...983 5 84 61 34 13 59 73 3 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 6...

Страница 96: ...62 11 32 101 3 22 15 362 9 24 51 41 63 10 93 102 3 13 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2 79 10 2...

Страница 97: ...d Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 Email gree gree com cn Http www gree com HONG KONG GREE ELECTRIC APPLIANCES SALES LIMITED Add Unit 2612 26 F Miramar Towe...

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