Gree GWH09MA-K3DNA3L, Service Manual

Page 1: ...UHAI Change for Life Service Manual GWH09MA K3DNA3L GWH09MA K3DNA4L GWH09MA K3DNB7L GWH09MA K3DND3L GWH09MA K3DNC9L GWH09MA K3DNB3L GWH12MA K3DNA3L GWH12MA K3DNB3L Models GWH12MA K3DNB7L GWH12MA K3DNC9L GWH12MA K3DND3L Refrigerant R410A ...

Page 2: ...em Diagram 8 5 Electrical Part 9 5 1 Wiring Diagram 9 5 2 PCB Printed Diagram 11 6 Function and Control 13 6 1 Remote Controller Introduction 13 6 2 Brief Description of Modes and Functions 16 Part Ⅱ Installation and Maintenance 21 7 Notes for Installation and Maintenance 21 8 Installation 23 8 1 Installation Dimension Diagram 23 8 2 Installation Parts checking 25 8 3 Selection of Installation Loc...

Page 3: ... Exploded View and Parts List 56 10 1 Indoor Unit 56 10 2 Outdoor Unit 63 11 Removal Procedure 67 11 1 Removal Procedure of Indoor Unit 67 11 2 Removal Procedure of Outdoor Unit 72 Appendix 81 Appendix 1 Reference Sheet of Celsius and Fahrenheit 81 Appendix 2 Configuration of Connection Pipe 81 Appendix 3 Pipe Expanding Method 82 Appendix 4 List of Resistance for Temperature Sensor 83 ...

Page 4: ...I GWH09MA K3DNB7L I GWH12MA K3DNB7L I GWH12MA K3DND3L I GWH09MA K3DND3L I GWH09MA K3DNB3L I GWH12MA K3DNB3L I GWH12MA K3DNC9L I GWH09MA K3DNC9L I GWH09MA K3DNA4L I Outdoor Unit GWH09MA K3DNA3L O GWH12MA K3DNA3L O Remote Controller YX1F ON OFF MODE FAN SWING SLEEP TIMER AUTO COOL DRY FAN HEAT T ON T OFF SWING SLEEP LOCK SPEED ...

Page 5: ...odel GWH09MA K3DNA3L I GWH09MA K3DNA4L I GWH09MA K3DNB7L I GWH09MA K3DND3L I GWH09MA K3DNC9L I GWH09MA K3DNB3L I GWH12MA K3DNA3L I GWH12MA K3DNB7L I GWH12MA K3DNC9L I GWH12MA K3DND3L I GWH12MA K3DNB3L I Indoor Unit Product Code CB171N10400 CB161N07300 CB164N02600 CB405N04100 CB145N05700 CB163N07000 CB171N10300 CB164N02700 CB145N05600 CB405N04000 CB163N07100 Fan Type Cross flow Cross flow Fan Diame...

Page 6: ... A 0 4 0 4 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 1600 2200 Fan Type Axial flow Axial flow Fan Diameter mm Φ400 Φ438 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IP24 IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 4 3 Permissible Excessive Operating Pressure for the Suction Side M...

Page 7: ...19 C Outdoor DB35 C WB24 C Indoor air flow Super High Pipe length 5m Conditions Indoor DB20 C WB15 C Outdoor DB7 C WB6 C Indoor air flow Super High Pipe length 5m Compressor speed rps Compressor speed rps Cooling Heating 32 33 34 35 36 37 38 39 43 40 41 42 100 105 95 90 85 80 75 70 65 60 55 50 Conditions Indoor DB27 C WB19 C Indoor air flow Super High Pipe length 5m Outdoor temp C Capacity ratio 1...

Page 8: ...f outdoor unit Compressor revolution rps Indoor Outdoor P MPa T1 o C T2 o C 27 19 35 24 09 12K 0 8 1 1 11 to 14 38 to 41 Super High High 60 Rated heating condition o C DB WB Model Pressure of gas pipe connecting indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor revolution rps Indoor Outdoor P MPa T1 C T2 C 20 1...

Page 9: ...6 Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm 174 790 71 40 76 40 605 37 148 Φ55 Φ55 265 265 ...

Page 10: ...7 Technical Information Service Manual 714 257 776 510 320 540 286 320 540 297 842 320 596 257 763 3 2 Outdoor Unit 12K 09K Unit mm Unit mm ...

Page 11: ...HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Capillary Strainer Accumlator Compressor Connection pipe specification Liquid pipe 1 4 6mm Gas pipe 3 8 9 52mm 09K Gas pipe 1 2 12mm 12K Cooling and heating model ...

Page 12: ...g wire YEGN Yellow Green BK Black VT Violet OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model SWING UD M2 AC L BN BK BU EVAPORATOR CAP PE YEGN JUMP DISP2 SWING N COM OUT BK BN 3 XT 2 N 1 BU YEGN DISP1 DISPLAY BOARD TERMINAL RECEIVER AND MOTOR BLOCK M1 PG PGF FANMOTOR OUTDOOR UNIT θ RT1 RT2 TUBE TEMP SENSOR T SENSOR θ SENSOR ROOM TEMP AP...

Page 13: ...ouch any terminal when the machine is running stopping or has been powered off for less than 30 minutes to prevent WARNING BU YE RD θ θ YEGN RD W U COMP COMP WIRE XT POWER FAN M PE PE OVC COMP NOTE Motor only applies to the iron shell motor ground ELECTRICAL BOX YEGN MOTOR INDOOR UNIT 1 8 5 1 0 1 7 3 8 9 5 7 50 1 1 1 1 1 2 1 9 8 3 0DLQ RDUG 1 208 3 5 725 8 1 7 03 6 1625 7 03 6 1625 7 03 57 57 57 6...

Page 14: ...4 Neutral wire interface 5 Fan motor interface of PG 6 Communication interface 7 Auto button 8 up down swing interface 9 Interface of PG feedback interface 10 Jumper cap 11 Interface of temperature sensor 12 display interface 13 High Frequency Transformer Top view Bottom view Indoor Unit 1 2 3 4 5 6 7 8 9 10 11 12 13 ...

Page 15: ...terminal 3 Terminal of outdoor unit temperature sensor 4 Compressor overload protection terminal 5 Terminal with indoor unit communication wire 6 Terminal of power supply live wire terminal 7 Terminal of power supply neutral wire 8 Interface of earthing wire 9 Terminal of outdoor fan 10 Interface of 4 way valve 11 Terminal of electronic expansion valve ...

Page 16: ...e Controller Note When power is connected stand by condition you can operate the air conditioner through the remote controller When unit is on each time you press the button on remote controller the sending signal icon on the display of remote controller will blink once If the air conditioner gives out a beep sound it means the signal has been sent When unit is off set temperature will be displaye...

Page 17: ...eat 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 power button on remote controller to turn on the air conditioner 2 Press button to select your required operation mode AUTO COOL DRY FAN 3 Press or button to set your required temperature temperature c...

Page 18: ...it 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 wireless telephone Remote controller should be close to indoor unit during operation Replace new batteries of the same model when replacement is required If you don t use remote controller for a long t...

Page 19: ...tops operation ODU fan motor stops operation with a delay of 30s and IDU fan motor operates at set speed c When Tpreset 2 Tindoor amb Tindoor supplementary Tpreset the unit will maintain its previous running status Under this mode the four way valve will be de energized and temperature can be set within a range from 16 to 30o C If the compressor is shut down for some reason the indoor fan and the ...

Page 20: ...r preset cold air prevention conditions and H1 will be displayed at temperature display area on the display panel Defrost frequency is 85Hz Protection Cold air prevention The unit is started under heating mode the compressor is ON In the case of T indoor amb 24o C if T tube 40o C and the indoor fan is at stop state the indoor fan will begin to run at low speed with a time lag of 2 minutes Within 2...

Page 21: ...ill stop Module protection Under module protection mode the compressor will stop When the compressor remains at stop for at least 3 minutes the compressor will resume its operation If module protection occurs six times in succession the compressor will not be started again Overload protection If temperature sensed by the overload sensor is over 115o C the compressor will stop and the outdoor fan w...

Page 22: ...end a Di sound when the air conditioner is powered up or received the information sent by the remote control or there is a button input the single tube cooler doesnt receive the remote control ON signal under the mode of heating mode 7 Auto button If the controller is on it will stop by pressing the button and if the controller is off it will be automatic running state by pressing the button swing...

Page 23: ...atism heating and air supply do not have drying function When you start the drying function after stop the machine by pressing the switch button you should keep running the inner fans for 10 minutes under low air damper The swing will operate as the former status within 10 minutes and other load is stopped then stop the entire machine When you stop the drying function press the switch button will ...

Page 24: ...allation and maintenance 5 Have the 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 and grounding wire of power supply must be corresponding to the live wire neutral wire and grounding wire of the air conditioner 8 The power cord and power connectio...

Page 25: ...ing 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 Torque wrench open end wrench inner hexagon spanner 9 Pressure meter 12 Soldering appliance refrigerant container ...

Page 26: ...15cm At least 50cm At least 50cm At least 30cm At least 300cm At least 200cm Space to the floor Space to the obstruction Space to the obstruction Space to the obstruction Space to the ceiling Space to the obstruction Space to the obstruction At least 30cm At least 15cm At least 15cm Space to the wall Space to the wall Space to the wall ...

Page 27: ...p pipes and hang the indoor 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 installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outd...

Page 28: ...specialized grounding device by a professional 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 can t be used for other purposes 3 The grounding resistance should comply with national electric safety regulations 4 The appliance must be positioned so that the plug is accessible 5 An all pole d...

Page 29: ...t the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by referring to the following sheet Place the open end wrench on the pipe joint and place the torque wrench on the union nut Tighten the union nut with torque wrench As show in Fig 6 4 Wrap the indoor pipe and joint of connection pipe with insulating pipe and then wrap it with tape As s...

Page 30: ...cord and drain hose with the band As show in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When 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 9 Hang the Indoor Unit 1 Put the bound pipes in the wall pi...

Page 31: ... with expansion screws 5 Connect Outdoor Electric Wire 1 Remove the wire clip connect the power connection wire to the wiring terminal according to the color fix the power connection wire with screws As show in Fig 23 6 Neaten the Pipes 1 The pipes should be placed along the wall bent reasonably and hidden possibly Min semidiameter of bending the pipe is 10cm 2 If the outdoor unit is higher than t...

Page 32: ...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 connect the other charging hose to the vacuum pump 3 Open the piezometer completely and operate for 10 15min to check if the pressure of piezometer remains in 0 1MPa 4 Close the vacuum pump and maintain t...

Page 33: ...ower Check power supply circuit Power plug is not well plugged in and poor connection 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 buzzer does not sound and the remote startup has no response Remote controller malfunction Receiver loose or poor connection ...

Page 34: ...at heat insulation 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 surface of the heat exchanger Air filter were blocked Clean the filter Fan speed was set too slow To set the fan speed to high or middle speed Air circulation is insufficient Fan rotatio...

Page 35: ...at heat insulation 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 surface of the heat exchanger Air filter were blocked Clean the filter Fan speed was set too slow To set the fan speed to high or middle speed Air circulation is insufficient Fan rotatio...

Page 36: ...ssor 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 cool heat mode the outdoor unit and compres sor will not run Correctly wire according to the drawing Improper setting of temperature Adjust setting temp Controller malfunction IC2003 broken creepage ...

Page 37: ...nalysis discharge protection overload 5 Overcurrent protection E5 OFF 3S and blink 5 times OFF 3S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop 1 Supply voltage is unstable 2 Supply voltage is too low and load is too high 3 Evaporator is dirty 6 Communi cation Malfunction E6 OFF 3S and blink 6...

Page 38: ...ient temperature sensor is open short circuited F3 OFF 3S and blink 3 times OFF 3S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 15 Outdoor con...

Page 39: ... wiring board XT if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 22 Voltage of DC bus bar is too low PL OFF 3S and blink 21 times OFF 3S and blink 12 tim...

Page 40: ...unction analysis of capacitor 29 Malfunction of module temperature sensor circuit P7 OFF 3S and blink 18 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Replace outdoor control panel AP1 30 Module high temperature protection P8 OFF 3S and blink 19 times During cooling operation compressor will stop wh...

Page 41: ...r control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit 38 Desynchro nizing of compressor H7 OFF 3S and blink 7 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis IPM protection loss of synchronism protection a...

Page 42: ...s unstable 46 Malfunction of complete units current detection U5 OFF 3S and blink 13 times During cooling and drying operation the compressor will stop while indoor fan will operate During heating operating the complete unit will stop operation Theres circuit malfunction on outdoor units control panel AP1 please replace the outdoor units control panel AP1 47 The four way valve is abnormal U7 OFF 3...

Page 43: ...or 53 Normal communica tion continously 54 55 Defrosting OFF 3S and blink once during blinking ON 10s and OFF 0 5s OFF 3S and blink twice Defrosting will occur in heating mode Compressor will operate while indoor fan will stop operation Its the normal state U8 Flash 17 times every 3s Operation of remote controller or control panel is available but the unit won t act 1 Discharging speed of capacito...

Page 44: ...41 Installation and Maintenance Service Manual ...

Page 45: ... Possible causes insufficient or too much refrigrant blockage of capillary and increase of suction temp improper running of compressor burning in or stuck of bearing damage of discharge valve malfunction of protector Processing method adjust refrigerant amount replace the capillary replace the compressor use universal meter to check if the contactor of compress or is fine when it is not overheated...

Page 46: ... over of the parts Make the parts upright yes Is malfunction eliminated Replace the mainboard with the same model End no no Is the temperature sensor normal according to the Resistance Table no Replace it with a temperature sensor with the same model no yes yes Is malfunction removed no yes yes no Main detection points Is the wiring terminal between the temperature sensor and the controller loosen...

Page 47: ...in measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers are opened no yes yes Is the motor started up no Is malfunction eliminated yes yes yes no yes Is malfunction eliminated Tighten the screw reassemble the blade motor and shaft bearing rubber base sub assy to make sure there is no foreign object between them Replace the mainboard wi...

Page 48: ... jumper cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tightly Is malfunction eliminated no no yes Is malfunction eliminated no yes Replace the mainboard with the same model 3 Malfunction of Protection of Jumper Cap C5 Main detection points Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly The jumper is broken Detectioncircuit ...

Page 49: ...ile the capacitordischarges slowly ƽ Malfunction diagnosis process Troubleshooting for U8 malfunction Turn power off for 1minute the turn back on U8 is still displayed The unit returns to normal Conclusion U8 is displayed due to power off on while the capacitor discharges slowly The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same model End No Y...

Page 50: ...t diagnosis process Troubleshooting for F1 F2 malfunction Is the wiring terminal between the temperature sensor andthe controller loosened or poorly contacted Insert the temperature sensor tightly yes Is malfunction eliminated Is there short circuit due to trip over of the parts Make the parts upright yes Is malfunction eliminated Replace the mainboard with the same model End no no Is the temperat...

Page 51: ...ressure is too high 5 Other conditions resulting in that the system pressure becomes too high The connection of capacitor C2 is loose Reconnect the capacitor C2 according to Electrical Wiring Diagram Then Restart the unit Stop the unit and disconnect the power supply Wait 20 minutes or use DC voltmeter to measure the voltage between the two ends of capacitor C2 until the voltage is lower than 20V ...

Page 52: ...igh temperature protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protection please operate it after the outdoor ambient temp erature is normalized Improve the heat dissipation environ ment of the unit Does the outdoor fan work normally 1 Check if the fan terminal OFAN i...

Page 53: ...e for compressor stopping enough Fault diagnosis process Y N Y N N Y Y N Power on the unit Is stop time of the compressor 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 Replace the control panel AP1 If the fault is eliminated Replace the compresso...

Page 54: ... wires for the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction 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 unit blocked by foreign objects Replace the control panel AP1 If the fault is elimin...

Page 55: ...ocess 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected 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 electronic expansion valve If the fault is eliminated If the fault is eliminated Replace the control panel ...

Page 56: ...any damage or short circuit Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated Remove the PFC capacitor and measure resistance between the two terminals Is the resistance around zero The capacitor is short circuited and the capacitor should be repla ced Restart the unit If the fault is eliminated Disconnect the terminals for the reactor and measure the resistan...

Page 57: ...ipment operate normally before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit 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 outdoor uni...

Page 58: ...m Filth blockage ice plug greasy blockage the cut off valve hasn t been opened completely Is the compressor running abnormally Is there abnormal sound or oil leakage is the temperature of the shell too high etc Is the indoor outdoor heat exchanger dirty or are the air inlet and outlet blocked Normal fluctuation should be within 10 of the rated voltage on the nameplate Malfunction is eliminated no ...

Page 59: ...d View and Parts List 10 1 Indoor Unit 43 42 45 46 44 15 14 13 12 16 17 18 19 20 21 22 23 24 38 37 36 35 34 33 32 31 30 29 28 27 11 10 9 8 7 6 5 4 3 2 1 25 39 40 26 41 ON OFF MODE FAN SWING SLEEP TIMER AUTO COOL DRY FAN HEAT T ON T OFF SWING SLEEP LOCK SPEED ...

Page 60: ...52022 26152022 1 19 Remote Controller 30510065 30510065 1 20 Drainage Hose 0523001406 0523001406 1 21 Wall Mounting Frame 01252015 01252015 1 22 Evaporator Assy 01002762 0100276201 1 23 Evaporator Support 24212090 24212090 1 24 Connecting Cable 4002052317 4002052317 0 25 Connecting Cable 400205403 400205403 0 26 Decorative Strip 27 Tube Sensor 3900031302 3900031302 1 28 Ambient Temperature Sensor ...

Page 61: ...26152022 1 19 Remote Controller 30510065 30510065 1 20 Drainage Hose 0523001406 0523001406 1 21 Wall Mounting Frame 01252015 01252015 1 22 Evaporator Assy 01002762 01002762 1 23 Evaporator Support 24212090 24212090 1 24 Connecting Cable 4002052317 4002052317 0 25 Connecting Cable 400205403 400205403 0 26 Decorative Strip 20192293 27 Tube Sensor 3900031302 3900031302 1 28 Ambient Temperature Sensor...

Page 62: ...152022 1 19 Remote Controller 30510065 30510065 1 20 Drainage Hose 0523001406 0523001406 1 21 Wall Mounting Frame 01252015 01252015 1 22 Evaporator Assy 0100276201 0100276201 1 23 Evaporator Support 24212090 24212090 1 24 Connecting Cable 4002052317 4002052317 0 25 Connecting Cable 400205403 400205403 0 26 Decorative Strip 20192293 27 Tube Sensor 3900031302 3900031302 1 28 Ambient Temperature Sens...

Page 63: ...022 1 19 Remote Controller 30510065 30510065 1 20 Drainage Hose 0523001406 0523001406 1 21 Wall Mounting Frame 01252015 01252015 1 22 Evaporator Assy 0100276201 01002762 1 23 Evaporator Support 24212090 24212090 1 24 Connecting Cable 4002052317 4002052317 0 25 Connecting Cable 400205403 400205403 0 26 Decorative Strip 27 Tube Sensor 28 Ambient Temperature Sensor 3900031302 3900031302 1 29 Main Boa...

Page 64: ...52022 26152022 1 19 Remote Controller 30510065 30510065 1 20 Drainage Hose 0523001406 0523001406 1 21 Wall Mounting Frame 01252015 01252015 1 22 Evaporator Assy 01002762 01002762 1 23 Evaporator Support 24212090 24212090 1 24 Connecting Cable 4002052317 4002052317 0 25 Connecting Cable 400205403 400205403 0 26 Decorative Strip 27 Tube Sensor 3900031302 3900031302 1 28 Ambient Temperature Sensor 29...

Page 65: ...203 1 18 Ring of Bearing 26152022 1 19 Remote Controller 30510065 1 20 Drainage Hose 0523001406 1 21 Wall Mounting Frame 01252015 1 22 Evaporator Assy 0100276201 1 23 Evaporator Support 24212090 1 24 Connecting Cable 4002052317 0 25 Connecting Cable 400205403 0 26 Decorative Strip 27 Tube Sensor 3900031302 1 28 Ambient Temperature Sensor 29 Main Board 30138000723 1 30 Terminal Board 42011233 1 31 ...

Page 66: ...63 Installation and Maintenance Service Manual 10 2 Outdoor Unit GWH09MA K3DNA3L O 14 2 17 26 12 5 23 24 8 9 4 11 3 13 15 10 25 27 18 16 20 21 22 19 1 6 7 ...

Page 67: ...essor and Fittings 0010389601 1 9 4 Way Valve Assy 03073151 1 10 Valve Support 01713142P 1 11 Cut off Valve Assy 07133474 1 12 Valve 07130239 1 13 Valve Support Block 26113017 2 14 Right Side Plate Sub Assy 01303178 1 15 Big Handle 2623343106 1 16 Magnet Coil 4300040050 1 17 Magnet Coil 4300040050 1 18 Rear Grill 01473009 1 19 Electric Box 20113032 1 20 Filter Board 21 Main Board 30138000744 1 22 ...

Page 68: ...65 Installation and Maintenance Service Manual GWH12MA K3DNA3L O 3 4 5 7 6 2 1 20 23 24 22 21 18 17 15 16 19 8 10 9 12 11 14 13 ...

Page 69: ... Clapboard Sub Assy 01233180 1 8 Compressor and Fittings 0010389201 1 9 Compressor Gasket 76713027 3 10 4 Way Valve Assy 03073386 1 11 Big Handle 2623343106 1 12 Cut off Valve Assy 0713380601 1 13 Cut off Valve Assy 071302392 1 14 Valve Support 01713142P 1 15 Front Grill 22413044 1 16 Cabinet 01433033P 1 17 Axial Flow Fan 10333011 1 18 Chassis Sub assy 01700000033P 1 19 Electric Box Assy 100001003...

Page 70: ...ove horizontal louver a b Panel Clasp Left filter and right filer 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 louver with hand and then separate the horizontal louver from the crankshaft of step motor to remove it Horizontal louver Location of step ...

Page 71: ... box cover 2 Electric box cover 2 Screws 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 Screw caps Screws Remove the screws fixing front case Note 1 Open the screw caps before removing the screws around the air outlet 2 The quantity of screws fixing the front case sub assy is different...

Page 72: ...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 different models 2 When pulling out the wiring terminal pay attention to loose the clasp and don t pull it so hard Loosen the connection clasps between shield cover of electric box sub assy and electric b...

Page 73: ...lectric box assy and then remove the electric box assy Screws Screws Display Screws Connection pipe clamp Evaporator assy Screws Connection pipe 8 Remove evaporator assy At the back of the unit remove the screw fixing connection pipe clamp and then remove the connection pipe clamp Remove 3 screws fixing evaporator assy Adjust the position of connection pipe on evaporator slightly and then lift the...

Page 74: ...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 Screws Cross flow c Remove the bearing holder sub assy Holder sub assy Bottom case Remove the screw fixing step motor and then remove the step motor Step motor 9 Remove stepping motor Procedure Steps Screws ...

Page 75: ...wer supplies and discharge the refrigerant completely before removal GWH09MA K3DNA3L O Procedure Steps 1 Remove big handle 2 Remove top cover top cover big handle Before disassamble Remove 1 connection screw fixing big handleand then removethe big handle Remove 3 connection screws among top cover plate front panel and right sideplate Then remove top cover plate ...

Page 76: ...move the front grille Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel Remove the nut fixing the blade and then remove the axial flow blade Remove connection screws connecting the right side plate with the valve support and the electric box Then remove the right side plate Grille Panel Axial flow blade Right side plate Proce...

Page 77: ... the 4 weld 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 not to burn out the lead out wire of compressor 7 Remove 4 way valve assy 8 Remove capillary sub assy Unsolder weld point of capillary Sub assy valve and outlet pipe of condensator Then remo...

Page 78: ...move the 2 tapping screws fixing the motor support Lift motor support to re move it 9 Remove motor and motor support Motor Motor support 10 Remove clapboard sub assy Loosen the screws of the Clapboard Sub Assy The Clapboard Sub Assy has a hook on the lower side Lift and pull the Clapboard Sub Assy to remove Clapboard Sub Assy Procedure Steps ...

Page 79: ...d air 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 valve and remove the liquid valve b Remove the 3 footing screws of the compressor and remove the compressor Compressor Gas valve Liquid valve Procedure Steps ...

Page 80: ...bly 3 Remove top cover 2 Remove big handle and valve cover top cover big handle Remove the connection screw fixing the big handle and then remove the valve cover Remove connection screws connecting the top panel with the front panel and the right side plate and then remove the top panel valve cover ...

Page 81: ...and the motor support and then remove the front panel Remove connection screws connecting the right side plate with the valve support and the electric box Then remove the right side plate Remove the nut on the blade and then remove the axial flow blade front panel grille Procedure Steps right side plate axial flow blade 4 Remove grille 5 Remove front panel 6 Remove right side plate 7 Remove axial ...

Page 82: ...d unplug the wiring terminals Then lift the electric box to remove it Remove the screws fixing the isolation sheet and then remove the isolation sheet Unsolder the welding joint connecting the capillary valves and the outlet pipe of condenser to remove the capillary Do not block the capillary with welding slag during unsoldering motor support motor Electric Box Assy Procedure Steps isolation sheet...

Page 83: ...gerant completely before unsoldering when unsoldering wrap the gas valve with a wet cloth completely to avoid damage to the valve caused by high temperature Remove the 2 screws fixing the liquid valve and unsolder the welding joint connecting the liquid valve to the Y type pipe to remove the liquid valve b Unsolder pipes connecting with compressor c Remove the 3 foot nuts on the compressor and the...

Page 84: ... 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 64 4 18 88 89 87 8 31 43 44 42 8 6 66 67 66 2 19 90 89 6 32 45 44 6 7 68 69 68 20 91 92 91 4 33 46 47 46 4 8 70 71 69 8 21 93 94 93 2 34 48 49 48 2 9 72 71 6 22 95 96 95 35 50 51 50 10 73 74 73 4 23 97 98 9...

Page 85: ...lowing 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 prevent the burrs from getting into the pipe C Put on suitable insulating pipe D Put on the union nut Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the ...

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Page 89: ...Rd 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 Tower 132 Nathan Road TST Kowloon HK Tel 852 31658898 Fax 852 31651029 ...