Gree GWH09RA-K3DNA1A Service Manual Download Page 12

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Refrigerant System Diagram

4. Refrigerant System Diagram

Refrigerant pipe diameter

Liquid : 1/4" (6 mm)

Gas : 3/8" (9.52mm)

HEAT

EXCHANGER

(EVAPORATOR)

COOLING

HEATING

HEAT

EXCHANGER

(EVAPORATOR)

Strainer

Capillary/EEV

Accumlator

Compressor

4-Way valve

Summary of Contents for GWH09RA-K3DNA1A

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Service Manual MODEL GWH09RA K3DNA1A GWH12RB K3DNA1A Refrigerant R410A...

Page 2: ...t 7 Part 4 Refrigerant System Diagram 9 5 1 Electrical Data 10 5 2 Electrical Wiring 10 5 3 Printed Circuit Board 12 Part 5 Schematic Diagram 10 6 1 Remote Control Operations 15 6 2 Changing Batteries...

Page 3: ...9 Troubleshooting 38 9 1 Malfunction Analysis 38 9 2 42 9 3 How to Simply Check the Main Part 45 8 1 Indoor unit 32 8 2 Outdoor unit 34 Part10 Removal Procedure 55 10 1 Removal Procedure of Indoor Uni...

Page 4: ...1 Summary and features Indoor Unit Outdoor Unit Remote control Summary and features GWH09RA K3DNA1A I GWH12RB K3DNA1A I GWH12RB K3DNA1A O GWH09RA K3DNA1A O...

Page 5: ...fire electric shock explosion or injury Make sure the ceiling wall is strong enough to bear the weight of the unit Make sure the noise of the outdoor unit does not disturb neighbors Properly insulate...

Page 6: ...Fan Motor RLA A 0 10 0 10 Fan Motor Capacitor F 1 0 1 0 Input of Heater W 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 Length...

Page 7: ...80 Fan Motor Speed rpm 830 660 900 Output of Fan Motor W 30 30 Fan Motor RLA A 0 30 0 15 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit m3 h 1600 1800 Fan Type Axial flow Axial flow Fan Diamete...

Page 8: ...urbo 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 9: ...essure Indoor Outdoor P MPa T1 C T2 C 09K Turbo 830 62 12K Turbo 900 66 in 1 3 out 2 5 7 6 20 2 5 3 0 in 75 85 out 37 43 Outdoor fan mode Compressor revolution rps Temperature condition C Model name H...

Page 10: ...7 Constrction views 3 Construction Views 3 1 Indoor Unit Unit mm 845 130 542 173 180 275 3 2 Outdoor Unit 257 320 776 540 712 510 286 09K Unit...

Page 11: ...8 Constrction views 848 540 320 763 257 540 286 12K Unit Unit mm...

Page 12: ...stem Diagram Refrigerant pipe diameter Liquid 1 4 6 mm Gas 3 8 9 52mm T I N U R O O D T U O T I N U R O O D N I HEAT EXCHANGER EVAPORATOR COOLING HEATING HEAT EXCHANGER EVAPORATOR Strainer Strainer Ca...

Page 13: ...1 DISP 2 CN2 CN1 AP1 DISPLAY 13 GENERATOR COOLPLASMA M PE XT1 W1BU W3BN N 1 OUTDOOR UNIT 2 3 COM OUT W4YEGN N W2BK BU YEGN BN L N POWER RD BU YEGN HEALTH N HEALTH L PE EVAPORATOR Symbol Color symbol...

Page 14: ...OX MID ISOLATION SHEET L2 L2 RDRD HEATER COMP HEAT N1 BN W21 BU W10 HEAT L HEAT N2 CHASSIS HEATER LX1 1 LX1 2 AC L2 AC L3 AC N1 AC N2 CN1 OFAN OVC COMP CN3 CN2 4V E AC N AC L U V W M EH1 EH2 09K Unit...

Page 15: ...l wire Port of indoor fan Solid state relay Auto button Feedback of indoor fan Port of motor for vertical swing Port of motor for horizontal swing Buzzer Port of indoor ambient temp sensor Port of ind...

Page 16: ...am TOP VIEW BOTTOM VIEW 2 Outndoor unit 09K Unit Power of switch Neutral wire Live wire 4 way valve Port of fan Communication port Electronic expansion valve Overload Temp sensor Port of compressor Te...

Page 17: ...M VIEW 12K Unit Port 1 of reactor Port 2 of reactor Outdoor fan Electronic expansion valve 4 way valve Ground wire Neutral wire Live wire Communication port to indoor unit Temp sensor Overload protect...

Page 18: ...1 MODE icon 17 If MODE button is pressed current operation mode icon AUTO COOL DRY FAN or HEAT only for heat pump models will show ON OFF Button Set point Temperature DOWN Button Set point Temperature...

Page 19: ...me DIGITAL display 24 This area will show the set tempe rature In SAVE mode SE will be displayed is displayed when pressing the AIR button Press this button again to clear the display AIR icon 25 29 3...

Page 20: ...m perature Press this button again to cancel IFEEL function IFEEL SWING 7 ON OFF MODE This button is used for setting Fan Speed in the sequence that goes from AUTO to then back to Auto FAN 1 4 3 2 5 P...

Page 21: ...press or button to adjust the time value Every press of either button changes the time setting by 1 minute Holding down either button rapidly changes the time setting by 1 minute and then 10 minutes W...

Page 22: ...ing range It should be kept 1m away from the TV set or stereo sound sets If the remote controller does not operate normally please take the batteries out and reinsert them after 30 seconds If it still...

Page 23: ...f Tamb Tpreset COOL mode will act the compressor and outdoor fan will run and the indoor fan will run at the set speed If Tamb Tpreset 2 the compressor will stop the outdoor fan will delay 30 seconds...

Page 24: ...The condition and process of heating If Tamb Tpreset 2 HEAT mode will act the compressor outdoor fan and reversal valve will run the indoor fan will delay 3min to stop at the latest If Tpreset 2 Tamb...

Page 25: ...six times in succession the compressor will not be started again Overload protection If temperature sensed by the overload sensor is over 115 the compressor will stop and the outdoor fan will stop wit...

Page 26: ...erature and wind speed c The setting temperature keeps the same under the FAN mode and AUTO mode 6 Indoor Fan Control The Indoor Fan can be set as HIGH MED LOW by remote control and the Indoor Fan wil...

Page 27: ...le protection PH High voltage protection PL Low voltage protection P1 Nominal cooling and heating P2 Maximum cooling and heating P3 Medium cooling and heating P0 Minimum cooling and heating 12 Drying...

Page 28: ...should accord with installation dimension diagram requirements 9 Do not use the unit in the immediate surroundings of a laundry a bath a shower or a swimming pool 7 1 3 Outdoor Unit Installation Posit...

Page 29: ...ld be connected in fixed wiring Note Make sure that the Live wire or Zero line as well as the earth wire in the family power socket can not be wrong connected there should be reliable and no short cir...

Page 30: ...utlet side Space to the floor Above Above Above Above Above Space to the obstruction Air outlet side Space to the wall Air inlet side Above Above Above The dimensions of the space necessary for proper...

Page 31: ...ng tube The drain hose should be placed at a downward slant for easy discharge of condensate Note the insulating tube should be connected reliably with the sleve outside the outlet pipe The drain hose...

Page 32: ...nstalling Connection Pipe 1 Align the center of the piping flare with the relevant valve 2 Screw in the flare nut by hand and then tighten thenut with spanner and torque wrench referring to the follow...

Page 33: ...aste water formed in the outdoor unit can be drained out satisfactorily Fig 6 Manifold Valve Multimeter 76cmHg Lo Handle Charging hose Manometer Hi handle Vacuum pump Low pressure valve Base plate Out...

Page 34: ...el from the two ends of it as the arrow direction shown Thenpull the air filter out as shown Fig a 2 Attach the healthy filter onto the air filter as shown Fig b 3 Mount the air filter properly along...

Page 35: ...32 Exploded Views and Parts list 8 Exploded Views and Parts List 8 1 Indoor Unit 38 36 35 37 39 15 12 11 14 9 8 6 4 2 28 32 33 25 24 23 17 26 7 31 27 3 1 10 16 18 19 20 22 21 34 5 13 30 29...

Page 36: ...l Mounting Frame 01252021 01252021 1 17 Motor Press Plate 26112161 26112161 1 18 Fan Motor 150120874 150120874 1 19 Pipe Clamp 2611216401 2611216401 1 20 Drainage hose 0523001401 0523001401 1 21 Step...

Page 37: ...34 Exploded Views and Parts list 8 2 Outdoor Unit 1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 6 09K Uuit...

Page 38: ...nsion Valve Sub Assy 07133564 1 9 Temperature Sensor 3900030802 1 10 Clapboard Sub Assy 01233385 1 11 Magnet Coil 4300040050 1 12 4 way Valve Assy 03123385 1 13 Compressor and fittings 00103224_G 1 14...

Page 39: ...36 Exploded Views and Parts list 12K Unit 1 3 24 9 8 10 23 21 19 22 4 6 7 11 12 15 16 18 2 17 14 20 13 28 27 26 25 29 5...

Page 40: ...100004 1 11 Big Handle 26233433 1 12 Right Side Plate Assy 0130200404 1 13 Magnet Coil 4300040047 1 14 Temperature Sensor 39000310 1 15 Capillary Sub assy 03063401 1 16 Rear Grill 01473014 1 17 Conden...

Page 41: ...nnection Check if the plug is properly plugged in and make the loose contact firm Fuse of controller burnt out The air condi tioner does not react after it is powered after the plug is inserted the bu...

Page 42: ...on for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex changer Clean the dust accumulated on the su...

Page 43: ...stat is recommended Wrong wire connection Connect the circuit diagram correctly The built in heat protector of the motor breaks frequently because the motor is abnormal Replace the fan motor Adjust th...

Page 44: ...or Drainage pipe blocked or broken Change drainage pipe Re wrap and make it tight Wrap of refrigerant pipe joint is not close enough Water leakage Change controller Wire loose or wrong connection In c...

Page 45: ...12 times PL 12 High voltage protection Blink for 13 times PH 13 PFC overcurrent protection Blink for 14 times HC 14 Models of IDU and ODU don t not match Blink for 16 times LP 15 Limit frequency curr...

Page 46: ...43 Troubleshooting...

Page 47: ...44 Troubleshooting...

Page 48: ...n the power and repair the power supply to restore the range 210VAC 250VAC power on and restar t the unit If the fault is eliminated Shut down the power and wait 20 minutes or use DC voltmeter to meas...

Page 49: ...that the system pressure is too high 5 Other conditions resulting in that the system pressure becomes too high The connection of capacitor C2 is loose Stop the unit and disconnect the power supply Th...

Page 50: ...or unit abnormal Normal protection please operate it after the outdoor ambient temperature is normalized Improve the heat dissipation environment of the unit Does the outdoor fan work normally 1 Check...

Page 51: ...longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the wires for the compressor connected correctly Is connection sequence right Connect the wires as per the connection diagram...

Page 52: ...on Connect the wires correctly Replace the control panel AP1 If the fault is eliminated Replace the compressor End Out of step occurs in operation Is the outdoor fan working normally Is the outdoor un...

Page 53: ...ted correctly Connect the wires correctly Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same less than 100 ohm Replace the PMV If the fault is eli...

Page 54: ...e resistance around zero The capacitor is short circuited and the capacitor should be replaced Restart the unit If the fault is eliminated Disconnect the terminals for the reactor and measure the resi...

Page 55: ...uit of the outdoor unit If the fault is eliminated The communication circuit is abnormal Replace the main board of the indoor unit End If the fault is eliminated Replace the main board AP1 of the outd...

Page 56: ...7 2 064 116 0 642 0 49 02 39 8 297 78 1 997 117 0 625 1 46 6 40 7 967 79 1 933 118 0 608 2 44 31 41 7 653 80 1 871 119 0 592 3 42 14 42 7 352 81 1 811 120 0 577 4 40 09 43 7 065 82 1 754 121 0 561 5 3...

Page 57: ...9 11 06 78 2 663 117 0 833 1 62 13 40 10 62 79 2 577 118 0 811 2 59 08 41 10 2 80 2 495 119 0 77 3 56 19 42 9 803 81 2 415 120 0 769 4 53 46 43 9 42 82 2 339 121 0 746 5 50 87 44 9 054 83 2 265 122 0...

Page 58: ...urning off all power supplies before disassembling work 2 1 2 3 Before disassembly Open the front panel Push the filter inward and then pull it outward to remove it Remove filter and horizontal louver...

Page 59: ...e connection screw fixing indicator and then remove the indicator Remove rotating shaft of front panel from groove Then remove the front panel Remove electric box cover 2 Remove connection screws betw...

Page 60: ...necting the vertical louver and bottom case subassembly Remove the vertical louver Remove connection screw between front case and the top of rear case Open screw cap and remove 3 connection screws Loo...

Page 61: ...en remove electric box Remove evaporator Turn over the rear case and remove connection screws between connecting pipe clamp and rear case Loosen clasps between connecting pipe clamp and rear case Then...

Page 62: ...emove cross flow fan blade and motor Remove screws of step motor and then remove step motor Remove 4 connection screws between motor clamp and rear case Then remove motor clamp Remove ring of bearing...

Page 63: ...ower supplies before disassembling work 1 2 Handle 2 Top panel 1 09K Outdoor Unit Remove big handle Before disassembly Remove 1 connection screw fixing big handle and then remove the big handle Remove...

Page 64: ...5 connection screws among front panel chassis and motor support Then remove front panel Remove axial flow fan blade Remove nut of fan blade and then remove axial flow fan blade Remove right side plat...

Page 65: ...spots connecting the 4 way Valve Assy to take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the time Be sure n...

Page 66: ...tapping screws fixing the motor support Lift motor support to re move it 9 Disassemble motor and motor support Motor Motor support 10 Disassemble Clapboard Sub Assy Loosen the screws of the Clapboard...

Page 67: ...r return pipe and remove the gas valve Note it is necessary to warp the gas valve when unsoldering the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld ing spot connecting liquid...

Page 68: ...r supplies before disassembling work 1 2 Handle 2 Top panel 1 Remove big handle Before disassembly Remove 1 connection screw fixing big handle and then remove the big handle Remove top cover plate Rem...

Page 69: ...nt grill and front panel Then remove front panel Remove 5 connection screws among front panel chassis and motor support Then remove front panel Remove right side plate Remove 7 connection screws among...

Page 70: ...e wire and disconnect the terminal Lift to re move the electric box assy 1 6 Remove electric box assy Remove the screws of theReactor sub assy and then remove it Electric box assy 2 Reactor sub assy R...

Page 71: ...take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the time Be sure not to burn out the lead out wire of compre...

Page 72: ...the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld ing spot connecting liquid valve and remove the liquid valve 2 Remove the 3 footing screws of the compressor and remove the...

Page 73: ...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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