Gree GWH18KG-K3DNA6G/I Service Manual Download

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Technical Information

Service Manual

4. Refrigerant System Diagram

Connection pipe specification:
Liquid pipe:1/4" (6mm)
Gas pipe:1/2" (12mm)

Indoor unit

Outdoor unit

COOLING

HEATING

4-Way valve

Discharge

Suction

Heat

exchanger

(evaporator)

Heat

exchanger

(condenser)

Valve

Liquid pipe

side

Gas pipe

side

Strainer Electric

expand

valve

Strainer

Capillary

Compressor

Accumlator

Summary of Contents for GWH18KG-K3DNA6G/I

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual Model GWH18KG K3DNA6G I Refrigerant R410A...

Page 2: ...s 11 Part Installation and Maintenance 14 7 Notes for Installation and Maintenance 14 8 Installation 16 8 1 Installation Dimension Diagram 16 8 2 Installation Parts checking 18 8 3 Selection of Instal...

Page 3: ...of Contents Appendix 39 Appendix 1 Reference Sheet of Celsius and Fahrenheit 39 Appendix 2 Configuration of Connection Pipe 39 Appendix 3 Pipe Expanding Method 40 Appendix 4 List of Resistance for Te...

Page 4: ...1 Technical Information Service Manual 1 Summary Part Technical Information Indoor Unit GWH18KG K3DNA6G I Remote Controller YAA1FB F C H O U R ONOFF...

Page 5: ...1200 1050 900 Fan Motor Power Output W 20 Fan Motor Running Current A 0 31 Fan Motor Capacitor F 1 5 Evaporator Material Aluminum Fin copper Tube Evaporator Pipe Diameter mm 7 Evaporator Number of Row...

Page 6: ...am 3 1 Indoor Unit 70 70 70 90 45 45 40 55 55 55 55 40 41 3 41 3 71 161 54 54 5 120 5 548 5 H 103 149 542 176 130 685 193 70 70 70 90 45 45 40 55 55 55 55 40 41 3 41 3 71 161 54 54 5 120 5 548 5 W D H...

Page 7: ...ecification Liquid pipe 1 4 6mm Gas pipe 1 2 12mm Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side...

Page 8: ...is used to determine fan speed and the swing angle of horizontal lover for this model SENSOR SENSOR AC L BK PE ROOM TUBE M2 SWING UD1 ROOM TEMP RT2 AP2 BN PG YEGN M1 BU FAN MOTOR OUTDOOR UNIT 2 3 XT N...

Page 9: ...rface of neutral wire 4 Capacitor of fan motor 5 Fuse 6 Interface of PG motor 7 Interface of health function live wire 8 Auto button 9 Up down swing 10 Feedback interface of PG motor 11 Interface of I...

Page 10: ...ton LIGHT button 16 X FAN button SLEEP button TEMP button button button F C H O U R ONOFF 2 3 4 5 6 7 8 9 10 11 12 13 14 16 15 Send signal Turbo mode 8 heating function Set temperature Set time TIMER...

Page 11: ...8 Technical Information Service Manual no display...

Page 12: ...9 Technical Information Service Manual...

Page 13: ...10 Technical Information Service Manual battery Cover of battery box remove reinstall...

Page 14: ...ssor is reached the compressor and the outdoor fan motor stop operation The upper down horizontal louver will rotate to the horizontal position L The indoor fan will be stopped after operating for 60s...

Page 15: ...he temperature has increased by 3 C the unit will keep this temperature When the unit has operated for 7 hours the temperature will decrease by 1 C and then the unit will operate at this temperature a...

Page 16: ...or is detected short circuit for 5s successively The detected temperature by the temperature sensor is too high and the complete unit will stop operation meanwhile the protection and malfunction of te...

Page 17: ...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 a...

Page 18: ...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 19: ...Manual 8 Installation 8 1 Installation Dimension Diagram Drainage pipe At least 250cm At least 15cm At least 300cm Space to the Space to the ceiling Space to the obstruction At least 15cm At least 15...

Page 20: ...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 21: ...ent 3 The place near coast area 4 The place with oil or fumes in the air 5 The place with sulfureted gas 6 Other places with special circumstances 7 The appliance shall nost be installed in the laundr...

Page 22: ...ightly downward to the outdoor side with the gradient of 5 10 As show in Fig 2 Note Insulating pipe Torque wrench Open end wrench Indoor pipe Pipe Union nut Union nut Pipe joint Pipe Hex nut diameter...

Page 23: ...hen binding to a certain degree separate the indoor power and then separate the drain hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe should be bound separately at the end 2 M...

Page 24: ...ause electric leakage 8 Does the power cord follow the specification It may cause malfunction or damage the parts 9 Is there any obstruction in air inlet and air outlet It may cause insufficient cooli...

Page 25: ...ture sensor is open short circuited F1 Indoor evaporator temperature sensor is open short circuited F2 Module temperature sensor is open short circuited P7 Outdoor ambient temperature sensor is open s...

Page 26: ...then peformedischarging NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280V to 380V...

Page 27: ...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 28: ...he 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 29: ...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 30: ...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 31: ...wiring diagram Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Main board matches with display board Main board of IDU matches with that of ODU...

Page 32: ...od for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 3 Troubleshooting for Normal Malfunction 1 Air Conditioner Can t be Started Up 2...

Page 33: ...re parts touching together inside the outdoor unit There s abnormal sound fro outdoor unit Remove foreign objects Adjust all parts position of outdoor unit tighten screws and stick damping plaster bet...

Page 34: ...d View and Parts List Indoor Unit FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT 13 39 38 37 12 11 10 9 8 7 6 5 4 22 21 20 19 18 17...

Page 35: ...16 Wall Mounting Frame 01252484 1 17 Cross Flow Fan 10352036 1 18 Motor Press Plate 26112231 1 19 Fan Motor 15012146 1 20 Connecting pipe clamp 2611216401 1 21 Drainage hose 0523001407 1 22 SteppingMo...

Page 36: ...g air filters If ON OFF button is kept pushing for 5 seconds a forced cooling operation will be carried out for ap prox 15 minutes Pull protrusions on left and right sides of panel with fingers and op...

Page 37: ...r hand Draw out the axial bush Bend the horizontal louver slightly and then remove it a Left and right filters are interchangeable To re install insert air filter along the guide Hook a finger onto th...

Page 38: ...upper part there are 2 hooks in the left and the right Remove the 5 screws in the right and the left which fix the main body with the front grille a Disengage the hooks by pressing knobs with a screwd...

Page 39: ...nect the connection wires Twist off the earthing screw fixing the evaporator Pull out the all the wiring terminals b Pay attention to the direction of the retainer of the thermistor so that the retain...

Page 40: ...rocedure Points 7 Remove piping fixture Remove Pipe Clamp a Loosen the screws in the right and the left which fix the Evaporator Assy Remove Evaporator Assy b Auxiliary piping Piping fixture Adjust th...

Page 41: ...plate of motor 9 Remove shaft cushion rubber base Remove screws of motor press plate and then remove the motor press plate Pressure plate of motor Shaft cushion rubber base Remove motor blade and shaf...

Page 42: ...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 43: ...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 44: ...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 45: ...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 46: ...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 47: ...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 Tower 132 Natha...

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