Gree GWC09KF-K3DNA5A Service Manual Download Page 18

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4. Refrigerant System Diagram

INDOOR UNIT

OUTDOOR UNIT

HEAT
EXCHANGE
(EVAPORATOR)

HEAT
EXCHANGE
(CONDENSER)

COMPRESSOR

GAS SIDE

3-WAY VALVE

LIQUID SIDE

3-WAY VALVE

COOLING

HEATING

Accumlator

Discharge

Suction

Muffler

4-Way valve

Capillary

Strainer

Refrigerant pipe diameter
Liquid : 1/4" (6 mm)
Gas : 3/8" (9.52 mm)

INDOOR UNIT

OUTDOOR UNIT

HEAT
EXCHANGE
(EVAPORATOR)

HEAT
EXCHANGE
(CONDENSER)

COMPRESSOR

GAS SIDE

3-WAY VALVE

LIQUID SIDE

2-WAY VALVE

COOLING

Accumlator

Discharge

Suction

Muffler

Capillary

Strainer

(1)Cooling Only Models

(2)Cooling & Heating Models

Refrigerant System Diagram

Summary of Contents for GWC09KF-K3DNA5A

Page 1: ...E ELECTRIC APPLIANCES INC OF ZHUHAI Service Manual MODEL Refrigerant R410A GWC09KF K3DNA5A GWC12KF K3DNA5A GWH09KF K3DNA5A GWH12KF K3DNA5A GWH09KF K3DNA6A GWH12KF K3DNA6A GWH09KF K3DNB1A GWH12KF K3DNB...

Page 2: ...m Diagram 15 5 1 Electrical Data 16 5 2 Electrical Wiring 16 5 3 Printed Circuit Board 18 Part 5 Schematic Diagram 16 6 1 Remote Control Operations 23 6 2 Changing Batteries and Notices 25 6 3 Descrip...

Page 3: ...53 9 4 How to Check Simply the Main Part 55 9 5 2 way 3 way Valve Appearance 59 8 1 Indoor unit 38 8 2 Outdoor unit 45 Part10 Removal Procedure 66 10 1 Removal Procedure of Indoor Unit 66 10 2 Removal...

Page 4: ...Unit GWC09KF K3DNA5A O GWH09KF K3DNA5A O GWC12KF K3DNA5A O GWH12KF K3DNA5A O Remote control window YB1F2 Summary and features GWH09KF K3DNA6A I GWH12KF K3DNA6A I FAN AUTO OPER HEALTH AIR FILTER TURBO...

Page 5: ...of snow leaves or rubbish The unit should be installed according to the instructions in order to minimize the risk of damage from earthquakes typhoons or strong winds When the refrigerant touches the...

Page 6: ...2 1 4 8 11 GWH09KF K3DNA5A 220 240V 600 0 8 3 3 3 7 A A GWH09KF K3DNA5A I 1100 10 844X342X261 24 40 34 38 48 30 770X283X201 1 2 700 1 5 PCB 3 15A 610X294X24 MP24BA 0 16 Cross flow fan 92X594 Aluminum...

Page 7: ...710X550X275 710X550X275 mm 771X348X592 771X348X592 kg 27 31 28 32 R410A R410A Weight kg 0 74 0 74 Length m m 5 5 Gas additional charge g m 15 20 Liquid Pipe Diameter mm 6 6 Gas Pipe Diameter mm 9 52 9...

Page 8: ...or unit 3 21 Dimension of Package LXWXH Net Weight Gross Weight Output Capacitor RLA Diameter Length Pipe Diameter Row Fin Gap Sound Pressure Level Sound Power Level Air Flow Volume Rated Current Fuse...

Page 9: ...Length m m 5 5 Gas additional charge g m 15 20 Liquid Pipe Diameter mm 6 6 Gas Pipe Diameter mm 9 52 9 52 m 10 10 m 20 20 Net Weight Gross Weight Connection Pipe Max Interunit Piping Length Max Interu...

Page 10: ...Fan Motor RLA A 0 16 0 16 Fan Motor Capacitor F 1 2 1 2 Input of Heater W 0 0 Evaporator Form Aluminum Fin copper Tube Aluminum Fin copper Tube Pipe Diameter mm 7 7 Row fin Gap mm 2 1 4 2 1 4 Coil Le...

Page 11: ...rpm 930 930 Output of Fan Motor W 30 30 Fan Motor RLA A 0 236 0 236 Fan Motor Capacitor F 2 2 Air Flow Volume of Outdoor Unit m3 h 1600 1600 Fan Type Axial flow Axial flow Fan Diameter mm 370 370 Def...

Page 12: ...Fan Motor RLA A 0 16 0 16 Fan Motor Capacitor F 1 2 1 2 Input of Heater W 0 0 Evaporator Form Aluminum Fin copper Tube Aluminum Fin copper Tube Pipe Diameter mm 7 7 Row fin Gap mm 2 1 4 2 1 4 Coil Le...

Page 13: ...d rpm 930 930 Output of Fan Motor W 30 30 Fan Motor RLA A 0 236 0 236 Fan Motor Capacitor F 2 2 Air Flow Volume of Outdoor Unit m3 h 1600 1600 Fan Type Axial flow Axial flow Fan Diameter mm 370 370 De...

Page 14: ...High Pipe length 5m Voltage 230V Compressor Speed rps Cooling Heating Current A Current A 2 3 Capacity Variation Ratio According to Temperature 50 60 70 80 90 100 110 32 33 34 35 36 37 38 39 40 41 42...

Page 15: ...h 930rpm Temp Condition Model Standard Pressure Mpa Indoor Fan Mode Indoor Outdoor 09K 2 3 to 2 5 72 12K 2 4 to 2 6 78 Outdoor Fan Mode Compressor Revolution rps 20 7 6 Super High 930rpm Temp Conditio...

Page 16: ...or Unit Constrction views Models GWC09KF K3DNA5A I GWH09KF K3DNA5A I GWC12KF K3DNA5A I GWH12KF K3DNA5A I Models GWH09KF K3DNA6A I GWH12KF K3DNA6A I 548 5 258 5 126 5 770 283 770 283 201 770 201 283 54...

Page 17: ...14 3 2 Outdoor Unit Constrction views 710 658 275 550 318 470 299 Models GWH09KF K3DNB1A I GWH12KF K3DNB1A I 548 5 258 5 126 5 770 283 283 201 770...

Page 18: ...rge Suction Muffler 4 Way valve Capillary Strainer Strainer Refrigerant pipe diameter Liquid 1 4 6 mm Gas 3 8 9 52 mm INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESS...

Page 19: ...CUIT BOARD YE YELLOW S10 S11S40 S70 S80 S90 CONNECTOR RD RED SAT OVERLOAD BN BROWN COMP COMPRESSOR BU BLUE PROTECTIVE EARTH BK BLACK YEGN YELLOW GREEN ORANGE OG to the models with cold plasma function...

Page 20: ...2KF K3DNA5A O N 1 XT 3 2 PE PCB1 AC2 S AC1 E1 E2 PCB2 U V W 0 RT3 0 RT4 RT5 0 S90 S11 S10 HL2 HN2 HN3 HL3 L1 HR2 HR1 FAN S70 COMP HA1 HA2 SAT PE S40 PE PE PE X1 YEGN MOTOR U V W BK BN BU YEGN YE OG CL...

Page 21: ...ace of live wire of cold plasma Interface of null wire of cold plasma Interface of indoor fan Interface for feedback of indoor fan Interface of pipe temp sensor Interface of ambient temp sensor Interf...

Page 22: ...19 Schematic Diagram null line live wire communication wire ground wire dispaly board infrared receiver...

Page 23: ...agram Interface of mainboard and wave filter Interface of temp sensor Interface of compressor Interface of outdoor fan Interface of overload protector of compressor Interface of live wire Interface of...

Page 24: ...21 FRONT VIEW BOTTOM VIEW Schematic Diagram...

Page 25: ...22 TOP VIEW Schematic Diagram BOTTOM VIEW...

Page 26: ...ng angle 8 11 9 10 12 13 14 FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT 2 11 7 10 13 9 4 3 12 8 6 14 5 1 Press it to turn on off...

Page 27: ...ave turned off the unit After energization X FAN OFF is defaulted X FAN is not available in AUTO FAN or HEAT mode Pressing SAVE part of this button and the unit goes into SAVE operation mode Press SAV...

Page 28: ...emote controller is locked is displayed At unit OFF press MODE and buttons simultaneously to switch between and About switch between fahrenheit and cenrigrade 3 About lock and In this case pressing an...

Page 29: ...ease automatically based on the pipe temperature to ensure that the outlet air is hot X Fan function During heating when conditions for stop of the compressor is reached the compressor and the outdoor...

Page 30: ...set when the unit is off the unit will keep off state even though the setting time is reached If the timer off function is set when the unit is on the unit will stop running when the set time is reac...

Page 31: ...e commands come from the indoor unit or when outdoor unit low noise or quiet commands come from indoor unit the upper limit frequency must be lowered than the usual setting 6 6 3 minutes Standby Prohi...

Page 32: ...nt rushes on the drooping zone without change In the keep zone the frequency limit will remain In the return reset zone the frequency limit will be cancelled Limitation of current drooping and stop va...

Page 33: ...peration start Control in Each Zone The heat exchange intermediate temperature of indoor unit controls the following 6 12 Defrost Control Outline Heat Pump Only Defrosting is carried out by the coolin...

Page 34: ...normal operation Detail Fan OFF Control when Stopped Fan OFF delay for 60 seconds must be made when the compressor is stopped Tap Control in indoor outdoor unit silent operation 1 When Cooling Operat...

Page 35: ...ation where the children can not reach 4 Can select the place where is strong enough to withstand the full weight and vibration of the unit And will not increase the noise 5 Be sure to leave enough sp...

Page 36: ...edure Cut the pipes and the cable 1 Use the piping kit accessory or pipes purchased locally 2 Measure the distance between the indoor and the outdoor unit 3 Cut the pipes a little longer than the meas...

Page 37: ...ing sure that it comes in contact with the back of the drain port and then mount it If the drain hose is not connected properly leaking will occur Attach the Insulation Drain hose to the drain hose C...

Page 38: ...or left outlet piping cut off the piping outlet cutting groove with a hacksaw CAUTION 1 In order to align the drain hose and drain cap be sure to insert securely and vertically Incline inser tion will...

Page 39: ...in the drain pan and make sure that the water is being drained outside Caution Install the drain pipe for proper drainage Improper drainage can result in water dripping inside the room 7 4 Installati...

Page 40: ...t liquid side Packed valve at gas side Service port Valve core Setting pin Connecting pipe Handle Lo Charge hose For R410A only 101kPa 76cmHg Vacuum pump 1 Strip the insulation from the wire 20mm 2 Co...

Page 41: ...F K3DNA5A I GWH09KF K3DNA5A I GWC12KF K3DNA5A I GWH12KF K3DNA5A I 1 2 3 4 5 6 7 9 10 11 12 13 14 15 17 18 19 20 21 22 25 27 28 29 30 31 8 16 32 26 23 24 33 34 35 36 39 38 37 40 FAN AUTO OPER HEALTH AI...

Page 42: ...over 20122106 20122106 1 17 Electric Box Assy 2020225303 2020225302 1 18 Motor Press Plate 26112191 26112191 1 19 Electric Box Cover Sub Assy 20122109 20122109 1 20 Terminal Board 42011233 42011233 1...

Page 43: ...1 20202253 1 18 Motor Press Plate 26112191 26112191 1 19 Electric Box Cover Sub Assy 20122109 20122109 1 20 Terminal Board 42011233 42011233 1 21 Crank 73012005 73012005 1 22 Step Motor 1521210701 152...

Page 44: ...Models GWH09KF K3DNA6A I GWH12KF K3DNA6A I 16 15 14 13 11 10 9 8 7 6 5 4 3 2 1 18 19 21 22 23 24 25 26 27 28 12 17 20 FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X...

Page 45: ...225302 20202253 1 13 Drainage Pipe Sub assy 0523204101 0523204101 1 14 Crank 73012005 73012005 1 15 Step Motor 1521210701 1521210701 1 16 Motor Press Plate 26112191 26112191 1 17 Fan Motor 15012093 15...

Page 46: ...Models GWH09KF K3DNB1A I GWH12KF K3DNB1A I 16 15 14 13 11 10 9 8 7 6 5 4 3 2 1 18 19 21 22 23 24 25 26 27 28 12 17 20 FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X...

Page 47: ...9 1 12 Electric Box Assy 2020225302 20202253 1 13 Drainage Pipe Sub assy 0523204101 0523204101 1 14 Crank 73012005 73012005 1 15 Step Motor 1521210701 1521210701 1 16 Motor Press Plate 26112191 261121...

Page 48: ...45 Exploded Views and Parts list 8 2 Outdoor Unit 1 Cooling Only Models Round grill...

Page 49: ...le 26113005 26113005 1 22 Right Side Plate Sub Assy 0130318001 0130318001 1 23 Condenser Assy 01113501 01113501 1 24 Temp sensor Support 24213042 24213042 1 25 Discharge Tube 03713424 03713055 1 26 Te...

Page 50: ...47 Exploded Views and Parts list Square grill...

Page 51: ...al baffle 26113005 26113005 1 22 Right Side Plate Sub Assy 0130318001 0130318001 1 23 Condenser Assy 01113463 01113501 1 24 Temp sensor Support 24213042 24213042 1 25 Discharge Tube 03713424 03733025...

Page 52: ...49 2 Cooling Heating Models Exploded Views and Parts list Exploded Views and Parts list Round grill...

Page 53: ...assy 26233046 26233046 1 22 Thermal baffle 26113005 26113005 1 23 Right Side Plate Sub Assy 130318001 0130318001 1 24 Condenser Assy 01113463 01113501 1 25 Temp sensor Support 24213042 24213042 1 26 4...

Page 54: ...51 Square grill...

Page 55: ...6233046 1 22 Thermal baffle 26113005 26113005 1 23 Right Side Plate Sub Assy 0130318001 0130318001 1 24 Condenser Assy 01113463 01113501 1 25 Temp sensor Support 24213042 24213042 1 26 4 way Valve Ass...

Page 56: ...ging section before discharging an electrical shock may be caused 9 2 Confirmation 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 2 Confirmation of Power Voltage Co...

Page 57: ...d blink 1 times Is it loose Measure the resistance value with universal meter 21 Overheat of carbon fin P8 heating LED pause 3s and blink 19 times Is outdoor ambient temperature is too high Is radiato...

Page 58: ...N 1and 3 of indoor wiring block Voltage 200V Measure voltage between L and N of outdoor wiring block Normal wiring Voltage 200V Indoor main board error Adjust wiring Outdoor electric box error indoor...

Page 59: ...connecting state of the connecting terminal Reliable connection Replace main board of indoor unit Remove the error Adjust connecting state remove the error Replace motor Finish Energize the unit and...

Page 60: ...or finish 5 Diagnosis of losing synchronism for compressor Main detection points z Is pressure of the system too high z Is voltage too low Malfunction diagnosis process 57 Troubleshooting Adjust conne...

Page 61: ...oor unit 58 20min after de energization of complete unit Is electric expansion valve well connected Is overload wire reliably connected Replace electric expansion valve Remove malfunction Replace part...

Page 62: ...e p O with charging cylinder n e p O n e p O n e p O with charging cylinder n e p O n e p O n e p O n e p O Works Shipping Air purging Installation Operation Pumping down Transfering Evacuation Servi...

Page 63: ...low pressure valve handle of gauge manifold Check the flare connections for gas leakage 6 Use torque wrench to tighten the service port nut to a torque of 1 8kg cm 7 Set the 3 way valve to the back s...

Page 64: ...way valve Connect the charge hose with the push pin to the service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set...

Page 65: ...it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on liquid side valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge...

Page 66: ...discharge the refrigerant until the gauge indi cates 0 kg cm 2 G If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm2 G discharge th...

Page 67: ...acuum of 4 mmHg or less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump...

Page 68: ...while operating the air conditioner in the cooling cycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the ch...

Page 69: ...g it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on liquid side valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge...

Page 70: ...right filters are interchangeable To re install insert air filter along the guide Remove horizontal blade by pulling forward 2 And pull out the front panel forward to remove Hook a finger onto the pro...

Page 71: ...there are 2 hooks in the left and the right Remove the 3 screws in the right and the left which fix the main body with the front grille 1 Disengage the hooks by pressing knobs with a screwdriver scre...

Page 72: ...set of vertical blades is not marked for difference between right and left 1 Unfasten the hooks at the upper 2 positions 2 Unfasten the 3 hooks at the shaft mounting part by pressing them with a flat...

Page 73: ...the retainer will not touch the harness same as the existing models Remove Temperature Sen sor 3 Remove the screw on the terminal board 4 Screw Earth wire Take care not to lose the clip of thermistor...

Page 74: ...71 Removal Procedure Remove a screw on the electrical box 6 Pull up the electrical box forward to remove 7 Remove fan motor Signal Wire 5 fan motor Signal Wire Hook Bottom frame...

Page 75: ...al of Electrical Box 1 Unfasten the hooks at the upper 2 positions of the shield plate 2 Unfasten the hook at the lower position and remove the shield plate 1 3 Lift the shield plate 2 and unfasten th...

Page 76: ...73 Removal Procedure Remove Display PCB Sub Assy 6 Remove Swing motor 7 Take off Wiring terminal 5 Swing motor Display PCB ASSY...

Page 77: ...dure 8 To remove the control PCB unfasten the 2 hooks at the upper part from the rear side 9 Lift up the upper part of the control PCB and remove it Control PCB The control PCB is integrated with the...

Page 78: ...ontaminating of air or other gas causes abnormal high pressure in refrigerating cycle and this results in pipe breakage or personal injuries When disconnecting pipes cover every nozzle with caps so as...

Page 79: ...protect the both openings from entering moisture 9 Remove the indoor unit 1 Remove the indoor unit from the installation plate 2 Release the hook of the piping fixture on the back of the unit Gas pipi...

Page 80: ...rews in the right and the left which fix the Evaporator Assy 3 4 Widen the auxiliary piping to the extent of 10 20 5 Pull the heat exchanger to the front side to undo the hooks completely and then lif...

Page 81: ...78 Removal Procedure 10 Remove Cross Flow Fan Fan Motor 11 Remove Ring of Bearing Bearing Remove Cross Flow Fan Fan Motor 1 12 Remove Cross Flow Fan and Motor Sub Assy screw...

Page 82: ...79 Removal Procedure 13 Remove Motor Sub Assy 14 Remove Fan Motor Remove Motor Sub Assy 1...

Page 83: ...ower supplies before disassembling work 1 Features The stop valve cover has 6 hooks Loosen the screw of the stop valve cover Pull down the stop valve cover and remove it 1 Loosen the 3 screws front ri...

Page 84: ...ve the propeller fan Front panel fan propeller Lift the front panel and remove it while pushing the right side panel inwards StepProcedure Points Removal Procedure discharge grille Remove the screws o...

Page 85: ...move Partition plate The partition plate is fixed to the bottom frame with a hook Removal Procedure Remove the 4 tapping screws fixing the motor Pull out the lead out wire and remove the motor Remove...

Page 86: ...he piping ports on the sound blanket are torn easily remove the blanket carefully Loosen the screw of the four way valve coil Provide a protective sheet or a steel plate so that the brazing f l a m e...

Page 87: ...spot connecting liquid valve and remove the liquid valve Unsolder the pipe connected with the compressor Remove the 3 footing screws of the compressor and remove the compressor Remove the 3 footing sc...

Page 88: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add Jinji west Rd Qianshan Zhuhai Guangdong China Post code 519070 Tel 86 756 8522219 After sale Service Dept...

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