Gree GWH07NA-K3NNA4E Service Manual Download Page 54

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Installation and Maintenance

Service Manual

Above data is subject to change without notice.

NO.

Description

Part Code

Qty

GWH07NA-K3NNA5E/I

GWH07NA-K3NNA4E/I

Product Code

CA162N20600

CA161N13000

Front Panel Assy

20012441

20012519

Display Board

30565026

30565012

Filter Sub-Assy

11122095

Screw Cover

24252016

Front Case

2002228601

Axile Bush

10542036

Guide Louver

10512162

Air Louver 2

10512114

Helicoid tongue

26112202

Axile Bush

10542036

Rear Case assy

2220213501

Cross Flow Fan

10352034

O-Gasket sub-assy of Bearing

7651205102

Ring of Bearing

26152022

Remote Controller

30510065

Drainage hose

0523001408

Connecting Cable

40020540

Evaporator Assy

01002577

Connecting Cable

40020536

Power Cord

4002046417

Front Panel

20012423S

20012493S

Jumper

4202300114

Electric Box Cover2

20122075

Temperature Sensor

390000453

Main Board

30135357

Ambient Temperature Sensor

390000597

Terminal Board

42010268

Electric Box

20112091

Capacitor CBB61S

33010747

Electric Box Assy

10000204236

10000202464

Air Louver 1

10512113

Stepping Motor

1521212901

Crank

10582070

Rubber Plug (Water Tray)

76712012

Fan Motor

15012115

Motor Press Plate

26112201

Connecting pipe clamp

26112199

Wall Mounting Frame

01252231

Shield box(electricbox)

01592080

01592081

Electric Box Cover

20122114

Cold Plasma Generator

1114001602

Summary of Contents for GWH07NA-K3NNA4E

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual...

Page 2: ...nction and Control 14 6 1 Remote Controller Introduction of YX1F 14 6 2 Remote Controller Introduction of YB1F2 XFAN 17 6 3 Brief Description of Modes and Functions 21 Part Installation and Maintenanc...

Page 3: ...0 1 Indoor Unit 43 10 2 Outdoor Unit 54 11 Removal Procedure 56 11 1 Removal Procedure of Indoor Unit 56 11 2 Removal Procedure of Outdoor Unit 61 Appendix 66 Appendix 1 Reference Sheet of Celsius and...

Page 4: ...1 Technical Information Service Manual 1 Summary Indoor Unit E4 E1 D1 D2 panel A A4 A8 A5 B3 D2 panel C B5 C7 Part Technical Information...

Page 5: ...CA161013001 GWH07NA K3NNA4E I CA161N13000 YX1F 7 GWH07NA K3NND1E CA147004802 GWH07NA K3NND1E I CA147N04801 YX1F 8 GWH07NA K3NND2E CA149000604 GWH07NA K3NND2E I CA149N00602 YX1F 9 GWH07NA K3NNB5E CA180...

Page 6: ...el of Indoor Unit 1 GWH07NA K3NNC7F I 2 GWH07NA K3NNB3F I 3 GWH07NA K3NND1F I 4 GWH07NA K3NND2F I 5 GWH07NA K3NNE1F I Product Code of Indoor Unit 1 CA195N06200 CA195N06201 2 CA138N07500 3 CA147N05100...

Page 7: ...otor Speed rpm 950 Output of Fan Motor W 20 Fan Motor RLA A 0 25 Fan Motor Capacitor F 1 5 Air Flow Volume of Outdoor Unit m3 h 1200 Fan Type Axial flow Fan Diameter mm 320 Defrosting Method Automatic...

Page 8: ...A K3NNE4E I 2 GWH07NA K3NND2E I 3 GWH07NA K3NNB3E I 4 GWH07NA K3NNA8E I 5 GWH07NA K3NNA4E I 6 GWH07NA K3NND1E I 7 GWH07NA K3NND2E I 8 GWH07NA K3NNB5E I 9 GWH07NA K3NNA5E I 10 GWH07NA K3NNE1E I 11 GWH0...

Page 9: ...otor Speed rpm 950 Output of Fan Motor W 20 Fan Motor RLA A 0 25 Fan Motor Capacitor F 1 5 Air Flow Volume of Outdoor Unit m3 h 1200 Fan Type Axial flow Fan Diameter mm 320 Defrosting Method Automatic...

Page 10: ...a r y t i c a p a C o i t a r y t i c a p a C Condition Indoor DB27 C WB19 C C C Indoor air flow Super High Pipe length 5m 15 7 7 5 0 2 24 0 20 40 60 80 100 120 10 5 10 Condition Heating Indoor DB20...

Page 11: ...8 Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit D H W 25 562 146 22 40 40 65 55 55 Unit mm Model W H D 07K 730 255 170...

Page 12: ...9 Technical Information Service Manual 286 255 428 660 310 440 720 3 2 Outdoor Unit Unit mm GWH07NA K3NNC7F O GWH07NA K3NNE4E O...

Page 13: ...e specification Liquid pipe 1 4 6mm Gas pipe 3 8 9 52mm Indoor unit Outdoor unit COOLING HEATING 4 Way valve COOLING Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Va...

Page 14: ...OG Orange 5 Electrical Part 5 1 Wiring Diagram Indoor Unit Instruction Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 2 4 5 N L GWH07NA K3NNC7F...

Page 15: ...OG VT BK BU K1 AC L COMP OG VT OFAN 4V XT BK BU N1 EARTH PLATE PE PE EVAPORATOR YEGN BU WH BN BK YEGN GN YEGN POWER DISPLAY 0 0 N L GWH07NA K3NND2F I CA149N00801 GWH07NA K3NNC7F I CA195N06201 GWH07NA...

Page 16: ...old plasma 5 4 way valve terminal 6 Terminal of outdoor fan 7 Interface of up down swing motor 8 Feedback interface for PG motor 9 Jumper cap 10 Display interface 11 Interface of ambient temperature s...

Page 17: ...quired mode circularly as below the corresponding icon will be lit up after the mode is selected AUTO COOL DRY FAN HEAT Note This is a general use remote controller it could be used for the air condit...

Page 18: ...at Dry mode press this button to turn on Sleep function Press this button to cancel Sleep function Under Fan and Auto mode this function is unavailable Simple operationfirst 1 After putting through po...

Page 19: ...t The distance between signal sender and receiving window should be within 8m There should be no obstacle between them Signal may be interfered easily in the room where there is fluorescent lamp or wi...

Page 20: ...nditioner At OFF status display screen on remote controller displays set temperature At on status display screen on remote controller displays the corresponding start up functions icon Buttons on remo...

Page 21: ...speed medium speed and high speed 3 or button After each pressing of or button it can increase or decrease set temperature 1o C 1o F 2o F Hold or button 2s later set temperature on remote controller w...

Page 22: ...temperature or outdoor ambient temperature on indoor units display Temperature is set circularly by remote controller as below When selecting by remote controller or no display temperature indicator...

Page 23: ...d 5 Press button to select fan blowing angle Replacement of batteries in remote controller 1 Press the back side of remote controller marked with as shown in the fig and then push out the cover of bat...

Page 24: ...when Tamb 22 the system operates under fan mode Ex factory set temperature is 25 22 Tamb 26 The system operates under fan mode if turn on the unit to enter into auto mode for the first time If switch...

Page 25: ...aintenance part for display information and disposal method for details 3 Drying mode Operation condition and process for drying mode When Tamb Tset 2 the system starts drying and cooling In this case...

Page 26: ...controller is detected that Ttube 58 the ODU fan motor stops operation When Ttube is resumed normally the ODU fan motor resumes operation Noise silencing protection When turning off the unit or during...

Page 27: ...ch After pressing this button the system will operate according under auto mode and the IDU fan motor operates at auto speed Swing motor operates when the IDU fan motor operates Press this button agai...

Page 28: ...memorized Power failure when turning off the unit Memory content OFF status mode up down swing light set temperature set fan speed general timer Fahrenheit Celsius General timer can be memorized Time...

Page 29: ...e unit adequately grounded The grounding wire cant 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...

Page 30: ...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 31: ...ast 15cm At least 15cm At least 250cm 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 ob...

Page 32: ...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...

Page 33: ...l Please make sure it is always grounded effectively otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grounding wire which cant be used for other purposes 3 The grou...

Page 34: ...all mounted frame As show in Fig 1 5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque fo...

Page 35: ...t Wire of Indoor Unit 1 Open the panel remove the screw on the wiring cover and then take down the cover As show in Fig 11 8 Bind up Pipe 1 Bind up the connection pipe power cord and drain hose with t...

Page 36: ...t the power connection wire and signal control wire only for cooling and heating unit to the wiring terminal according to the color fix them with screws As show in Fig 23 6 Neaten the Pipes 1 The pipe...

Page 37: ...1 Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then conn...

Page 38: ...s on controller 3 Indoor evaporator temperature sensor is damaged Please check it by referring to the resistance table for temperature sensor 4 Main board is broken 3 Blocked protection of IDU fan mot...

Page 39: ...oken Malfunction diagnosis process Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes Yes Yes Yes...

Page 40: ...e connection of PG motor control terminal is firm Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers are opened...

Page 41: ...the mainboard is defined abnormal Malfunction diagnosis process Start Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly Replace the jumper cap with the same model...

Page 42: ...harges slowly The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 is...

Page 43: ...of unit clean the heat exchanger and remove surrounding obstacles Normal protection please use it after improving the outdoor ambient temperature Unit restarts normally Unit restarts normally End Yes...

Page 44: ...d for details Malfunction of compressor Compressor cant operate Refer to point 5 of maintenance method for details 9 3 Maintenance method for normal malfunction 1 Air Conditioner Cant be Started Up 2...

Page 45: ...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 Cant Operate Possible causes Discriminating m...

Page 46: ...ervice Manual 10 Exploded View and Parts List 10 1 Indoor Unit ON OFF MODE FAN SWING SLEEP TIMER AUTO COOL DRY FAN HEAT T ON T OFF SWING SLEEP LOCK SPEED The component picture is only for reference pl...

Page 47: ...Connecting Cable 40020540 40020540 0 18 Evaporator Assy 01002752 01002752 1 19 Connecting Cable 40020536 40020536 0 20 Power Cord 4002046417 4002046417 1 21 Front Panel 20012615 20012615 1 22 Jumper 4...

Page 48: ...0020540 40020540 0 18 Evaporator Assy 01002752 01002752 01002577 1 19 Connecting Cable 40020536 40020536 40020536 0 20 Power Cord 4002046417 4002046417 4002046417 1 21 Front Panel 20012733S 20012733S...

Page 49: ...1408 1 17 Connecting Cable 40020540 40020540 0 18 Evaporator Assy 01002752 01002752 1 19 Connecting Cable 40020536 40020536 0 20 Power Cord 4002046417 4002046417 1 21 Front Panel 20012452S 20012697C 1...

Page 50: ...necting Cable 40020540 40020540 0 18 Evaporator Assy 01002752 01002752 1 19 Connecting Cable 40020536 40020536 0 20 Power Cord 4002046417 4002046417 1 21 Front Panel 20012958P 20012958 1 22 Jumper 420...

Page 51: ...1408 1 17 Connecting Cable 40020540 40020540 0 18 Evaporator Assy 01002577 01002577 1 19 Connecting Cable 40020536 40020536 0 20 Power Cord 4002046417 4002046417 1 21 Front Panel 20012733S 20012452S 1...

Page 52: ...3001408 1 17 Connecting Cable 40020540 40020540 0 18 Evaporator Assy 01002577 01002577 1 19 Connecting Cable 40020536 40020536 0 20 Power Cord 4002046417 4002046417 1 21 Front Panel 20012507S 20012493...

Page 53: ...Connecting Cable 40020540 40020540 0 18 Evaporator Assy 01002577 01002577 1 19 Connecting Cable 40020536 40020536 0 20 Power Cord 4002046417 4002046417 1 21 Front Panel 20012697S 20022341S 1 22 Jumper...

Page 54: ...7 Connecting Cable 40020540 40020540 0 18 Evaporator Assy 01002577 01002577 1 19 Connecting Cable 40020536 40020536 0 20 Power Cord 4002046417 4002046417 1 21 Front Panel 20012423S 20012493S 1 22 Jump...

Page 55: ...1408 1 17 Connecting Cable 40020540 40020540 0 18 Evaporator Assy 01002577 01002577 1 19 Connecting Cable 40020536 40020536 0 20 Power Cord 4002046417 4002046417 1 21 Cold Plasma Generator 1114001602...

Page 56: ...5 1 16 Drainage hose 0523001408 1 17 Connecting Cable 40020540 0 18 Evaporator Assy 01002577 1 19 Connecting Cable 40020536 0 20 Power Cord 4002046417 1 21 Front Panel 20012615 1 22 Jumper 4202300114...

Page 57: ...54 Installation and Maintenance Service Manual 10 2 Outdoor Unit The component picture is only for reference please refer to the actual product...

Page 58: ...4 Way Valve Assy 030152000170 030152000174 1 10 Capillary Sub assy 03000600420 03000600420 1 11 Right Side Plate Sub Assy 01303243 01303243 1 12 Valve 07100005 07100005 1 13 Valve 07100005 07100005 1...

Page 59: ...iler Axile bush Open the panel Loosen the clasp shown in the fig and then pull the left filter and right filer outwards to remove them Push out the axile bush on horizontal louver Bend the horizontal...

Page 60: ...box cover 2 Electric box cover 2 Screw Panel Front panel Panel rotation Groove 3 Remove panel 4 Remove electric box cover 2 Front case sub assy Front case sub assy Left clasp Middle clasp Right clasp...

Page 61: ...and evaporator Pull out the wiring terminal of motor and wiring terminal of step motor from the mainboard Note 1 Location of tube temperature sensor and tieline on the evaporator is different for diff...

Page 62: ...lectric box assy and then remove the electric box assy Screws Screw Display Screw Connection pipe clamp Evaporator assy Screws Connection pipe 8 Remove evaporator assy At the back of the unit remove t...

Page 63: ...e motor clamp Remove the screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them Motor Screw Cross flow c Remove the bearing holder sub...

Page 64: ...Screw Screws Screw Remove the screw fixing big handle slide out the big handle upwards to make the clasp of big handle separate from the groove of right side plate and then remove the big handle Remov...

Page 65: ...the protective grille Right side plate Nut Remove the nut fixing axial flow blade and then remove the axial flow blade 5 Remove axial flow blade Axial flow blade 6 Remove electric box assy Remove the...

Page 66: ...port and then remove the motor support Motor support Motor 7 Remove motor 8 Remove motor support Screws Screws Remove the screws fixing clapboard and then remove the clapboard Remove the soundproof sp...

Page 67: ...e the liquid valve Note When unsoldering the spot weld wrap the gas valve with wet cloth completely to avoid damaging the valve due to high temperature Magnetic coil 10 Remove magnetic coil 11 Remove...

Page 68: ...ports of discharge pipe and suction pipe to avoid foreign objects to enter it Foot nuts Compressor 14 Remove compressor 13 Remove valve support Valve support Screw off the screw fixing the valve suppo...

Page 69: ...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 41 42 41 5 64 65...

Page 70: ...llowing steps 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...

Page 71: ...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 2 064 1...

Page 72: ...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...

Page 73: ...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...

Page 74: ...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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