Gree CB139005202 Service Manual Download

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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

Change for Life

Service Manual

GWH09MB-K3DNA2K
GWH09MB-K3DNA3K
GWH09MB-K3DNA4K
GWH09MB-K3DNA5K
GWH09MB-K3DNB3K

GWH09MB-K3DNC9K

GWH09MB-K3DNE1K

GWH09MB-K3DNC8K

GWH09MB-K3DNE3K

GWH09MB-K3DNC1K

GWH12MB-K3DNA2K
GWH12MB-K3DNA3K
GWH12MB-K3DNA4K

GWH12MB-K3DNA5K
GWH12MB-K3DNA8K
GWH12MB-K3DNB3K

GWH12MB-K3DNC9K
GWH12MB-K3DND3K

GWH12MB-K3DNE1K

GWH12MB-K3DNC8K

GWH12MB-K3DNE3K

GWH12MB-K3DNC1K

(Refrigerant R410A)

Model:

Summary of Contents for CB139005202

Page 1: ...9MB K3DNA5K GWH09MB K3DNB3K GWH09MB K3DNC9K GWH09MB K3DNE1K GWH09MB K3DNC8K GWH09MB K3DNE3K GWH09MB K3DNC1K GWH12MB K3DNA2K GWH12MB K3DNA3K GWH12MB K3DNA4K GWH12MB K3DNA5K GWH12MB K3DNA8K GWH12MB K3DNB3K GWH12MB K3DNC9K GWH12MB K3DND3K GWH12MB K3DNE1K GWH12MB K3DNC8K GWH12MB K3DNE3K GWH12MB K3DNC1K Refrigerant R410A Model ...

Page 2: ...ram 18 5 Electrical Part 19 5 1 Wiring Diagram 19 5 2 PCB Printed Diagram 22 6 Function and Control 24 6 1 Remote Controller Introduction 24 6 2 Brief Description of Modes and Functions 28 Part Ⅱ Installation and Maintenance 34 7 Notes for Installation and Maintenance 34 8 Installation 36 8 1 Installation Dimension Diagram 36 8 2 Installation Parts checking 38 8 3 Selection of Installation Locatio...

Page 3: ...w and Parts List 67 10 1 Indoor Unit 67 10 2 Outdoor Unit 86 11 Removal Procedure 94 11 1 Removal Procedure of Indoor Unit 94 11 2 Removal Procedure of Outdoor Unit 99 Appendix 104 Appendix 1 Reference Sheet of Celsius and Fahrenheit 104 Appendix 2 Configuration of Connection Pipe 104 Appendix 3 Pipe Expanding Method 105 Appendix 4 List of Resistance for Temperature Sensor 106 ...

Page 4: ...GWH09MB K3DNA3K I GWH12MB K3DNA3K I GWH09MB K3DNA2K I GWH12MB K3DNA2K I GWH09MB K3DNC9K I GWH12MB K3DNC9K I GWH09MB K3DNE1K I GWH12MB K3DNE1K I GWH12MB K3DND3K I GWH09MB K3DNA4K I GWH12MB K3DNA4K I GWH09MB K3DNA5K I GWH12MB K3DNA5K I Part Ⅰ Technical Information ...

Page 5: ...MB K3DNC8K I GWH09MB K3DNE3K I GWH12MB K3DNE3K I GWH09MB K3DNC1K I GWH12MB K3DNC1K I GWH12MB K3DNA8K I Outdoor Unit GWH09MB K3DNA3K O CB171W07600 GWH09MB K3DNA3K O LCLH CB171W07605 GWH12MB K3DNA3K O CB171W07700 GWH09MB K3DNA3K O CB171W07602 GWH09MB K3DNA3K O CB171W07604 GWH12MB K3DNA3K O CB171W07702 ...

Page 6: ...09MB K3DNA3K O CB171W07600 GWH09MB K3DNC8K CB192000201 GWH09MB K3DNC8K I CB192N00201 GWH09MB K3DNA3K O CB171W07600 GWH09MB K3DNC1K CB139005202 GWH09MB K3DNC1K I CB139N05202 GWH09MB K3DNA3K O CB171W07600 GWH12MB K3DNA2K CB181005800 GWH12MB K3DNA2K I CB181N05800 GWH12MB K3DNA3K O CB171W07700 GWH12MB K3DNA3K CB171007700 GWH12MB K3DNA3K I CB171N07700 GWH12MB K3DNA3K O CB171W07700 GWH12MB K3DNA4K CB161...

Page 7: ... 18 12 18 Indoor Unit Model of Indoor Unit GWH09MB K3DNA4K I GWH09MB K3DNA5K I GWH09MB K3DNA4K I GWH09MB K3DNA5K I Fan Type Cross flow Cross flow Diameter Length DXL mm Φ92X645 Φ92X645 Fan Motor Cooling Speed SH H M L SL r min 1260 1050 900 690 1260 1050 900 690 Fan Motor Heating Speed SH H M L SL r min 1320 1200 1000 910 1320 1200 1000 910 Output of Fan Motor W 20 20 Fan Motor RLA A 0 1 0 1 Fan M...

Page 8: ...8 Fan Motor Speed rpm 900 650 Output of Fan Motor W 30 Fan Motor RLA A 0 15 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 1600 Fan Type Axial flow Fan Diameter mm Φ400 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Sucti...

Page 9: ...12 18 12 18 Indoor Unit Model of Indoor Unit GWH09MB K3DNA5K I GWH09MB K3DNA5K I Fan Type Cross flow Cross flow Diameter Length DXL mm Φ92X645 Φ92X645 Fan Motor Cooling Speed SH H M L SL r min 1260 1050 900 690 1260 1050 900 690 Fan Motor Heating Speed SH H M L SL r min 1320 1200 1000 910 1320 1200 1000 910 Output of Fan Motor W 20 20 Fan Motor RLA A 0 1 0 1 Fan Motor Capacitor μF 1 0 1 0 Input of...

Page 10: ... mm 710X19 05X508 710X19 05X508 Fan Motor Speed rpm 900 650 900 650 Output of Fan Motor W 30 30 Fan Motor RLA A 0 15 0 15 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 1600 1600 Fan Type Axial flow Axial flow Fan Diameter mm Φ400 Φ400 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IP24 IP24 Permissible Excessive Operat...

Page 11: ...olume L h 0 8 EER W W 3 10 COP W W 3 11 SEER W W 5 6 HSPF W W 3 8 Application Area m2 12 18 Indoor Unit Model of Indoor Unit 1 GWH09MB K3DNA2K I 2 GWH09MB K3DNA3K I 3 GWH09MB K3DNB3K I 4 GWH09MB K3DNC9K I 5 GWH09MB K3DNE1K I 6 GWH09MB K3DNA5K I 7 GWH09MB K3DNA4K I 8 GWH09MB K3DNC8K I 9 GWH09MB K3DNE3K I 10 GWH09MB K3DNC1K I Fan Type Cross flow Diameter Length DXL mm Φ92X645 Fan Motor Cooling Speed...

Page 12: ...8 Fan Motor Speed rpm 900 660 Output of Fan Motor W 30 Fan Motor RLA A 0 15 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 1600 Fan Type Axial flow Fan Diameter mm Φ400 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Sucti...

Page 13: ...ehumidifying Volume L h 1 2 EER W W 2 99 COP W W 3 33 SEER W W 6 1 HSPF W W 4 0 Application Area m2 16 24 Indoor Unit Model of Indoor Unit 1 GWH12MB K3DNA2K I 2 GWH12MB K3DNA3K I 3 GWH12MB K3DNB3K I 4 GWH12MB K3DNC9K I 5 GWH12MB K3DND3K I 6 GWH12MB K3DNE1K I 7 GWH12MB K3DNA5K I 8 GWH12MB K3DNA4K I 9 GWH12MB K3DNC8K I 10 GWH12MB K3DNE3K I 11 GWH12MB K3DNA8K I 12 GWH12MB K3DNC1K I Fan Type Cross flo...

Page 14: ...6 Fan Motor Speed rpm 900 660 Output of Fan Motor W 30 Fan Motor RLA A 0 15 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 1600 Fan Type Axial flow Fan Diameter mm Φ400 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Sucti...

Page 15: ...F W W 4 0 Application Area m2 16 24 Indoor Unit Model of Indoor Unit GWH12MB K3DNA4K I GWH12MB K3DNA5K I Fan Type Cross flow Diameter Length DXL mm Φ92X645 Fan Motor Cooling Speed SH H M L SL r min 1290 1070 900 690 Fan Motor Heating Speed SH H M L SL r min 1280 1050 980 920 Output of Fan Motor W 20 Fan Motor RLA A 0 1 Fan Motor Capacitor μF 1 0 Input of Heater W Evaporator Form Aluminum Fin coppe...

Page 16: ...6 Fan Motor Speed rpm 900 650 Output of Fan Motor W 30 Fan Motor RLA A 0 15 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 1600 Fan Type Axial flow Fan Diameter mm Φ400 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Sucti...

Page 17: ... 0 20 40 60 80 100 120 Condition Indoor DB 20 Indoor air flow Turbo Pipe length 5m Voltage 230V Compressor Speed rps Cooling Heating Current A Current A 50 60 70 80 90 100 110 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Capacity ratio Condition Indoor DB27 WB19 Indoor air flow Turbo Pipe length 5m Outdoor temp C 0 20 40 60 80 100 120 Capacity ratio Outdoor temp C g n i t a e H g n i l o o C 09K 1...

Page 18: ... 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 7 6 09K 2 2 2 4 35 to 63 2 to 5 TURBO High 62 12K 35 to 65 2 to 5 66 Instruction T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure at the side of big ...

Page 19: ...nual 3 Outline Dimension Diagram 3 1 Indoor Unit 3 2 Outdoor Unit 143 80 45 45 Φ55 Φ55 845 542 173 180 275 130 Unit mm 320 776 510 714 257 286 540 GWH09MB K3DNA3K O CB171W07600 GWH09MB K3DNA3K O CB171W07605 GWH12MB K3DNA3K O CB171W07700 ...

Page 20: ...17 Technical Information Service Manual Unit mm 320 776 510 714 257 286 540 GWH09MB K3DNA3K O CB171W07602 GWH09MB K3DNA3K O CB171W07604 GWH12MB K3DNA3K O CB171W07702 ...

Page 21: ...tion Liquid pipe 1 4 6mm Gas pipe 3 8 9 52mm Indoor unit Outdoor unit COOLING HEATING Accumlator 4 Way valve COOLING Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Valve Liquid pipe side Gas pipe side Strainer Strainer Strainer Electron expansion valve Electron expansion valve Compressor ...

Page 22: ... 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 L OUT L1 L1 θ θ RT1 RT2 M JUMP CAP TEM SENSOR ROOM TUBE TEM SENSOR FAN MOTOR SWING MOTOR U D AP2 SWING UD K4 TUBE ROOM AC L PG PGF DISP 1 DISP 2 CN2 CN1 AP1 DISPLAY GENERATOR COOLPLASMA M PE XT1 W1BU W3BN N 1 OUTDOOR UNIT 2 3 COM OUT W4YEGN N W2BK BU YEGN BN L N...

Page 23: ...N I L3 L2 L2 SAT RD W V U EKV CN1 L4 θ θ θ NOTE Motorgroundonly appliestothe ironshellmotor GWH09MB K3DNA3K O CB171W07600 GWH12MB K3DNA3K O CB171W07700 N 1 XT 3 2 BN N AC L PE U V W TUBE TEM SENSOR RT1 RT2 RT3 CN2 4V N1 AC L1 L FAN OFAN COMP COMP AC N1 PE M PE PE MID ISOLATIONSHEET ELECTRICBOX 4YV AC N2 AP1 AP2 AC L AC N L1 L2 E AC L3 AC L2 LX1 2 LX1 1 OVC COMP COM OUT L1 PE PE CN1 CN3 BK BU BN BK...

Page 24: ...EM SENSOR BU BN LX1 1 LX1 2 L CN2 RT3 RT2 RT1 TEM SENSOR TUBE NOTE Motor ground only applies to the iron shell motor GWH12MB K3DNA3K O CB171W07702 N 1 XT 3 2 BN N AC L PE U V W TUBE TEM SENSOR RT1 RT2 RT3 CN2 4V N1 AC L1 L FAN OFAN COMP COMP AC N1 PE M PE PE MID ISOLATIONSHEET ELECTRICBOX 4YV AC N2 AP1 AP2 AC L AC N L1 L2 E AC L3 AC L2 LX1 2 LX1 1 OVC COMP COM OUT L1 PE PE CN1 CN3 BK BU BN BK BU Y...

Page 25: ...ve wire of health function 4 Port of neutral wire 5 Port of indoor fan 6 Solid state relay 7 Jumper Cap 8 Auto button 9 Feedback of indoor fan 10 Port of motor for vertical swing 11 Port of motor for horizontal swing 12 Buzzer 13 Port of indoor ambient temp sensor 14 Port of indoor pipe temp sensor 15 Port of display 16 Main chip 17 Communication port 18 High frequency transformer ...

Page 26: ...op view Bottom view 1 2 3 4 5 6 7 8 9 10 1 inductance pin2 2 inductance pin1 3 four wayvalve 4 compressor electricheater 5 chassis electric heater 6 fan neilsbed 7 10 core communication cable 8 electric expansion valve 9 overload protection 10 temp sensor ...

Page 27: ... OFF Button X FAN Button TEMP Button LIGHT Button SLEEP Button CLOCK Button TURBO Button Button 2 6 8 3 9 10 7 5 12 11 4 1 Operation mode Temp display type 1 ON OFF Button Press this button can turn on or turn off the air conditioner After turning on the air conditioner operation indicator on indoor unit s display is ON green indicator The colour is different for different models and indoor unit w...

Page 28: ...ntroller 16 30 Fan speed auto low speed medium speed high speed 3 or Button Press or button once increase or decrease set temperature 1 Holding or button 2s later set temperature on remote controller will change quickly On releasing button after setting is finished temperature indicator on indoor unit will change accordingly Temperature can t be adjusted under auto mode When setting TIMER ON TIMER...

Page 29: ... duct During x fan operation press X FAN button to turn off x fan function Indoor fan will stop operation immediately 9 TEMP Button By pressing this button you can see indoor set temperature indoor ambient temperature or outdoor ambient temperature on indoor unit s display The setting on remote controlleris selected circularly as below When selecting or no display with remote controller temperatur...

Page 30: ...o display please replace batteries Signal sender Battery Cover of battery box Remove Reinstall 1 After putting through the power press ON OFF button on remote controller to turn on the air conditioner 2 Press MODE button to select your required mode AUTO COOL DRY FAN HEAT 3 Press or button to set your required temperature Temperature can t be adjusted under auto mode 4 Press FAN button to set your...

Page 31: ...f cooling If 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 to stop and the indoor fan will run at the set speed If Tpreset 2 Tamb Tpreset the unit will keep running in the previous mode In this mode the reversal valve will not be powered on and the...

Page 32: ...nder 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 24 C if T tube 40 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 ...

Page 33: ...rect signals for durative 3 minutes communication fault can be justified and the whole system will 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 temperat...

Page 34: ...rature will not change after decreasing 2 C 2 4 When the initial set temperature is 28 30 C the temperature will decrease 1 C by every hour after sleep function is set the temperature will not change after decreasing 3 C Relationship between set temperature and running time 6 Indoor Fan Control The Indoor Fan can be set as HIGH MED LOW by remote control and the Indoor Fan will be respectively run ...

Page 35: ...eflector will move to D clockwise under other modes the up and down air deflector will move to L1 If you set the swinging function when you start the machine then the wind blade will swing between L and D The air deflector has 7 swinging states Location L Location A Location B Location C Location D Location L to Location D stop at any location between L D the included angle between L D is the same...

Page 36: ...ory content automatically If the last remote control command has not set the timed function the system will remember the last remote control command and operate according it If the last remote control command has set timed function and the power supply is interrupted before the timed time the system will remember the timed function of the last remote control command the timed time will recounted f...

Page 37: ...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 connection wires can t be pressed by hard obj...

Page 38: ...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 39: ...l Air outlet side Space to the floor Above Above 15cm Above 15cm Above 30cm Above 50cm Above 50cm Above 30cm Above 200cm Above Above Space to the obstruction Air outlet side Space to the wall Air inlet side The dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent structures 15cm 250 cm 300cm ...

Page 40: ...oor 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 outdoor unit select it accor...

Page 41: ...h 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...

Page 42: ...tion of outlet pipe The position of piping hole should be a little lower than the wall 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 force by referring to the following sheet Place the open end wrench on the pipe joint and place the torque wrench on th...

Page 43: ...how 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 pipe and then make them pass through the...

Page 44: ...nection wire to the wiring terminal according to the color fix them 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 the wall hole you must set a U shaped curve in the pipe before pipe goes into the room in order to prevent rain from gett...

Page 45: ...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 46: ...rrent protection E5 OFF 3S and blink 5 times OFF 1S 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 Always 6 ON times During cooling operation comp...

Page 47: ...4 Outdoor ambient temperature sensor is open short circuited F3 OFF 3S and blink 3 times OFF 1S 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 1...

Page 48: ... 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 1S and blink 12 tim...

Page 49: ...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 50: ...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 51: ...age is 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 ...

Page 52: ...tor has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Operation Indicator Cool Indicator Heating Indicator Yellow Indicator Red Indicator Green Indicator 53 Normal communica tion 54 Defrosting OFF 3S and blink once during blinking ON 10s and OFF 0 5s OFF 0 5S and blink once OFF 1S and blink twice Defrosting will occur in heating mode Compressor will operate while indoor fan wi...

Page 53: ...oller 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 temperature sensor normal according to the Resistance Table no Replace it with a temperature sensor with the same model no yes yes I...

Page 54: ...otor correctly Is malfunction eliminated no no yes yes 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 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...

Page 55: ...per cap inserted correctly and tightly Replace the jumper cap with the same model End yes yes Assemble the 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 ...

Page 56: ... shell too high etc Is the indoor outdoor heat exchanger too dirty or are the air inlet and outlet blocked Normal fluctuation is within 10 of the rated voltage on the nameplate Malfunction is eliminated no yes no yes no yes no no no yes no yes no yes yes yes yes yes yes yes Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is elimin...

Page 57: ...he unit returns to normal Conclusion U8 is displayed due to instant energization afte de energization 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 Yes 5 Malfunction of Zero crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 ...

Page 58: ...0 Voltage higher than 200V Malfunction of the outdoor mainboard AP1 Replace outdoor mainboard Measure the voltage input with AC voltmeter see fig 30 Voltage within 180VAC 260VAC Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor until the voltage is lower than 20V Check the connection of reactor and connection wire If the wi...

Page 59: ... If the work load of unit is heavy If radiating of unit is good Malfunction diagnosis process N N Y N Y Y Y N N N N N Y Y Y Y Y H5 H7 or P5 is displayed after turning on the unit Measure if the voltage input is within 180 265V with AC voltmeter see fig 30 The compressor is well connected with mainboard AP1 Heat exchanger is blocked with dirt Clean the heat exchanger to improve its performance Rest...

Page 60: ... E8 is displayed If the outdoor ambient temperature is higher than 53 Normal protection please use it after improving the outdoor ambient temperature Unit restarts normally Unit restarts normally If the radiating of indoor and outdoor unit is good Improve the radiating environment of unit clean the heat exchanger and remove surrounding obstacles If the indoor and outdoor fan are running normally C...

Page 61: ...icient and the high and low pressure of system is not balanced please start the unit after 3min If the compressor wire COMP UVW is well connected and connection sequence is correct Check the connection situation of outdoor mainboard AP1 and compressor COMP and the connect it according to wiring diagram If the refrigerant charging amount is too much Does the unit start up normally Charge the refrig...

Page 62: ...on valve damaged If the refrigerant is leaked The compressor overload protection terminal is not connected well with the mainboard If the overload protector is damaged Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad Too much load of the system causes high temperature of compressor after working for a long time Malfunction of discharge temperature sen...

Page 63: ...frigerant according to the service manual Compressor overload protection terminal is not connected well with the mainboard reconnect them correctly Heat exchange of unit is not good heat exchanger is dirty and unit radiating environment is bad improve the radiating environment and clean the heat exchanger Too much load of the system causes high temperature of compressor after working for a long ti...

Page 64: ...d well with the socket Connect the plug correctly Check the connection wire between reactor mainboard and situation of connection If there is short circuit or the connection wire is loose Reconnect the wire or replace the connection wire according to the wiring diagram Check the surface of reactor coil If it is damaged Replace the reactor Power on and restart the unit Power on and restart the unit...

Page 65: ...the unit operates normally before malfunction Check built in wiring of indoor and outdoor unit If the wiring is damaged Replace the wire Check the malfunction type with communication malfunction detector Malfunction of outdoor communication circuit Replace outdoor mainboard AP1 Replace indoor mainboard AP2 Is the malfunction eliminated Is the malfunction eliminated End Check the connection wire ac...

Page 66: ...meter voltage of both sides of R135 The voltage should be variable Test 10 Test the voltage of pin 3 and pin 4 of U132 with universal meter voltage of both sides of R1312 The voltage should be variable Test 15 Otherwise there is malfunction of mainboard of outdoor unit 3 Test the voltage of pin 3 and pin 4 of U131 with universal meter voltage of both sides of R134 The voltage should be variable te...

Page 67: ...Measure voltage at the Test 15 position as shown in the diagram with a voltmeter Value jumping Measure voltage at the Test 11 position as shown in the diagram with a voltmeter Value jumping Measure voltage at the Test 12 position as shown in the diagram with a voltmeter Value jumping The communication circuit of the outdoor unit is normal End Fault with outdoor unit ...

Page 68: ...hod 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 Poor Cooling Heating for Air Conditioner 3 Horizontal Louver Can t Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug...

Page 69: ...in 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 Can t Operate Possible causes Discriminating method air conditioner status Troubleshooting Wrong wire connection or poor connection Check the wiring status according to circuit diagram Connect wires according to wiring diagram to make sure al...

Page 70: ... 21 15 14 13 12 16 40 17 18 19 20 24 25 26 27 28 29 30 31 32 37 38 39 11 10 9 8 7 6 4 5 3 1 23 2 GWH09MB K3DNA2K I GWH12MB K3DNA2K I GWH09MB K3DNA3K I GWH12MB K3DNA3K I GWH09MB K3DNB3K I GWH09MB K3DNA4K I GWH12MB K3DNA4K I GWH09MB K3DNA5K I GWH12MB K3DNA5K I GWH12MB K3DNB3K I GWH09MB K3DNE3K I GWH12MB K3DNE3K I ...

Page 71: ...Mounting Frame 01252021 01252021 1 19 Evaporator Assy 01002424 01002953 1 20 Evaporator Support 24212091 24212091 1 21 Cold Plasma Generator Sub assy 22 Connecting Cable 400205236 400205236 0 23 Power Cord 400204643 400204643 1 24 Pipe Clamp 26112164 26112164 1 25 Fan Motor 150120874 150120874 1 26 Motor Press Plate 26112161 26112161 1 27 Rubber Plug Water Tray 76712012 76712012 1 28 Step Motor 15...

Page 72: ...ounting Frame 01252021 01252021 1 19 Evaporator Assy 01002424 01002953 1 20 Evaporator Support 24212091 24212091 1 21 Cold Plasma Generator Sub assy 22 Connecting Cable 400205235 400205235 0 23 Power Cord 4002046410 4002046410 1 24 Pipe Clamp 26112164 26112164 1 25 Fan Motor 150120874 150120874 1 26 Motor Press Plate 26112161 26112161 1 27 Rubber Plug Water Tray 76712012 76712012 1 28 Step Motor 1...

Page 73: ...ting Frame 01252021 01252021 1 19 Evaporator Assy 01002424 01002953 1 20 Evaporator Support 24212091 24212091 1 21 Cold Plasma Generator Sub assy 22 Connecting Cable 400205235 400205235 0 23 Power Cord 4002046410 4002046410 1 24 Pipe Clamp 26112164 26112164 1 25 Fan Motor 1501208904 1501208904 1 26 Motor Press Plate 26112161 26112161 1 27 Rubber Plug Water Tray 76712012 76712012 1 28 Step Motor 15...

Page 74: ...unting Frame 01252021 01252021 1 19 Evaporator Assy 01002424 01002953 1 20 Evaporator Support 24212091 24212091 1 21 Cold Plasma Generator Sub assy 22 Connecting Cable 400205235 400205235 0 23 Power Cord 4002046410 4002046410 1 24 Pipe Clamp 26112164 26112164 1 25 Fan Motor 150120874 1501208904 1 26 Motor Press Plate 26112161 26112161 1 27 Rubber Plug Water Tray 76712012 76712012 1 28 Step Motor 1...

Page 75: ...Mounting Frame 01252021 01252021 1 19 Evaporator Assy 01002424 01002953 1 20 Evaporator Support 24212091 24212091 1 21 Cold Plasma Generator Sub assy 22 Connecting Cable 400205235 400205235 0 23 Power Cord 4002046410 4002046410 1 24 Pipe Clamp 26112164 26112164 1 25 Fan Motor 150120874 1501208904 1 26 Motor Press Plate 26112161 26112161 1 27 Rubber Plug Water Tray 76712012 76712012 1 28 Step Motor...

Page 76: ... 0523001401 1 18 Wall Mounting Frame 01252021 01252021 1 19 Evaporator Assy 01002424 01002953 1 20 Evaporator Support 24212091 24212091 1 21 Cold Plasma Generator Sub assy 22 Connecting Cable 400205235 400205235 0 23 Power Cord 4002046410 4002046410 1 24 Pipe Clamp 26112164 26112164 1 25 Fan Motor 150120874 1501208904 1 26 Motor Press Plate 26112161 26112161 1 27 Rubber Plug Water Tray 76712012 76...

Page 77: ...74 Installation and Maintenance Service Manual 1 2 3 6 13 14 16 17 18 19 20 21 22 23 24 30 33 34 35 28 25 26 27 15 5 4 8 7 12 9 10 11 31 29 38 39 32 37 36 GWH09MB K3DNC9K I GWH12MB K3DNC9K I ...

Page 78: ...21 1 17 Drainage Hose 0523001401 0523001401 1 18 Fan Motor 150120874 150120874 1 19 Connecting pipe clamp 26112164 26112164 1 20 Rubber Plug Water Tray 76712012 76712012 1 21 Stepping Motor 1521212901 1521212901 1 22 Crank 10582070 10582070 1 23 Screw Cover 24252016 24252016 1 24 Air Louver 1 10512156 10512156 1 25 Electric Box 2011208201 2011208201 1 26 Magnetic Ring 49010104 49010104 1 27 Termin...

Page 79: ...76 Installation and Maintenance Service Manual 1 2 3 6 13 14 16 17 18 19 20 21 22 23 24 30 33 34 35 28 25 26 27 15 5 4 8 7 12 9 10 11 31 29 38 39 32 37 36 GWH09MB K3DNE1K I GWH12MB K3DNE1K I ...

Page 80: ...21 1 17 Drainage Hose 0523001401 0523001401 1 18 Fan Motor 150120874 150120874 1 19 Connecting pipe clamp 26112164 26112164 1 20 Rubber Plug Water Tray 76712012 76712012 1 21 Stepping Motor 1521212901 1521212901 1 22 Crank 10582070 10582070 1 23 Screw Cover 24252016 24252016 1 24 Air Louver 1 10512156 10512156 1 25 Electric Box 2011208201 2011208201 1 26 Magnetic Ring 49010104 49010104 1 27 Termin...

Page 81: ...78 Installation and Maintenance Service Manual 1 2 3 6 13 14 16 17 18 19 20 21 22 23 24 30 33 34 35 28 25 26 27 15 5 4 8 7 12 9 10 11 31 29 38 39 32 37 36 40 GWH12MB K3DND3K I ...

Page 82: ...ame 01252021 1 17 Drainage Hose 0523001401 1 18 Fan Motor 1501208904 1 19 Connecting pipe clamp 26112164 1 20 Rubber Plug 76712012 1 21 Stepping Motor 1521212901 1 22 Crank 10582070 1 23 Screw Cover 24252016 1 24 Air Louver 1 10512156 1 25 Electric Box 2011208201 1 26 Magnetic Ring 49010104 1 27 Terminal Board 42011233 1 28 Electric Box Cover2 20122075 1 29 Main Board 30148783 1 30 Capacitor CBB61...

Page 83: ...80 Installation and Maintenance Service Manual GWH09MB K3DNC8K I GWH12MB K3DNC8K I 1 2 3 6 13 14 16 17 18 19 20 21 22 23 24 30 33 35 36 28 25 26 27 15 5 4 8 7 12 9 10 11 31 29 39 40 32 38 37 34 ...

Page 84: ...001401 0523001401 1 18 Fan Motor 150120874 150120874 1 19 Connecting pipe clamp 26112164 26112164 1 20 Rubber Plug Water Tray 76712012 76712012 1 21 Stepping Motor 1521212901 1521212901 1 22 Crank 10582070 10582070 1 23 Screw Cover 242520175P 242520175P 1 24 Air Louver 1 1051215601 1051215601 1 25 Electric Box 2011208201 2011208201 1 26 Magnetic Ring 49010104 49010104 1 27 Terminal Board 42011233 ...

Page 85: ...001401 0523001401 1 18 Fan Motor 150120874 150120874 1 19 Connecting pipe clamp 26112164 26112164 1 20 Rubber Plug Water Tray 76712012 76712012 1 21 Stepping Motor 1521212901 1521212901 1 22 Crank 10582070 10582070 1 23 Screw Cover 242520175P 242520175P 1 24 Air Louver 1 1051215601 1051215601 1 25 Electric Box 2011208201 2011208201 1 26 Magnetic Ring 49010104 49010104 1 27 Terminal Board 42011233 ...

Page 86: ...lation and Maintenance Service Manual 36 33 34 37 21 14 13 12 11 15 43 16 17 18 19 20 23 24 25 26 27 28 29 30 31 32 38 39 40 41 10 9 8 7 6 5 3 4 2 1 35 22 42 GWH09MB K3DNC1K I GWH12MB K3DNA8K I GWH12MB K3DNC1K I ...

Page 87: ...ng Frame 01252021 1 18 Evaporator Assy 01002424 1 19 Evaporator Support 24212091 1 20 Connecting Cable 400205236 0 21 Connecting Cable 22 Power Cord 400204643 1 23 Connecting pipe clamp 26112164 1 24 Fan Motor 150120874 1 25 Motor Press Plate 26112161 1 26 Rubber Plug Water Tray 76712012 1 27 Stepping Motor 1521212901 1 28 Crank 10582070 1 29 Electric Box Assy 2040268707 1 30 Transformer 31 Electr...

Page 88: ...1 1 18 Evaporator Assy 01002953 01002953 1 19 Evaporator Support 24212091 24212091 1 20 Connecting Cable 400205235 400205236 0 21 Connecting Cable 22 Power Cord 4002046410 400204643 1 23 Connecting pipe clamp 26112164 26112164 1 24 Fan Motor 150120874 1501208904 1 25 Motor Press Plate 26112161 26112161 1 26 Rubber Plug Water Tray 76712012 76712012 1 27 Stepping Motor 1521212901 1521212901 1 28 Cra...

Page 89: ...86 Installation and Maintenance Service Manual 10 2 Outdoor Unit 13 2 16 25 11 5 22 23 7 8 4 10 3 6 1 12 14 9 24 26 17 15 19 20 21 18 GWH09MB K3DNA3K O CB171W07600 GWH09MB K3DNA3K O CB171W07605 ...

Page 90: ...P 1 10 Cut off Valve Assy 0713347401 07133474 1 11 Valve 07100003 07100003 1 12 Valve Support Block 26113017 26113017 2 13 Right Side Plate Sub Assy 0130317801 0130317801 1 14 Big Handle 26233433 262334332 1 15 Magnet Coil 4300040050 4300040050 1 16 Magnet Coil 4300876701 4300876701 1 17 Rear Grill 01473009 01473009 1 18 Electric Box 20113014 20113014 1 19 Filter Board 30033082 30033082 1 20 Main ...

Page 91: ...88 Installation and Maintenance Service Manual 13 2 16 25 11 5 22 23 7 8 4 10 3 6 1 12 14 9 24 26 17 15 19 20 21 18 GWH12MB K3DNA3K O CB171W07700 ...

Page 92: ...pport 0171314201P 1 10 Cut off Valve Assy 07133804 1 11 Valve 07100003 1 12 Valve Support Block 26113017 2 13 Right Side Plate Sub Assy 0130317801 1 14 Big Handle 26233433 1 15 Electric Expansion Valve Sub Assy 07133830 1 16 Magnet Coil 4300876701 1 17 Rear Grill 01473009 1 18 Electric Box 20113014 1 19 Filter Board 30033082 1 20 Main Board 30148803 1 21 Electric Box Assy 02613540 1 22 Top Cover S...

Page 93: ...90 Installation and Maintenance Service Manual 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 GWH09MB K3DNA3K O CB171W07602 ...

Page 94: ...4201P 0171314201P 1 11 Cut off Valve Assy 0713347401 07133474 1 12 Valve 07100003 07100003 1 13 Valve Support Block 26113017 26113017 2 14 Right Side Plate Sub Assy 0130317801 0130317801 1 15 Big Handle 26233433 26233433 1 16 Magnetic Ring 4300040050 49010109 1 17 Magnet Coil 4300876701 4300040050 1 18 Rear Grill 01473009 01473009 1 19 Electric Box 20113014 20113014 1 20 Filter Board 30033082 3003...

Page 95: ...92 Installation and Maintenance Service Manual 14 2 17 26 12 6 23 24 8 9 5 11 3 7 13 15 10 25 27 18 16 20 21 22 19 4 1 GWH12MB K3DNA3K O CB171W07702 ...

Page 96: ...51 1 10 Valve Support 0171314201P 1 11 Cut off Valve Assy 07133804 1 12 Valve 07100003 1 13 Valve Support Block 26113017 2 14 Right Side Plate Sub Assy 0130317801 1 15 Big Handle 26233433 1 16 Electric Expansion Valve Sub Assy 07133830 1 17 Magnet Coil 4300876701 1 18 Rear Grill 01473009 1 19 Electric Box 20113014 1 20 Filter Board 30033082 1 21 Main Board 30148803 1 22 Electric Box Assy 02613540 ...

Page 97: ...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 98: ...anel Panel rotation Groove 3 Remove panel 4 Remove electric box cover Front case sub assy Finger guard grille 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 for different models Loosen the cla...

Page 99: ...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 100: ...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 101: ...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 102: ...g 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 Warning Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal ...

Page 103: ... Then remove 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 pla...

Page 104: ... unsolder 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 ...

Page 105: ... motor Remove 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 ...

Page 106: ...valve and 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 2 Remove the 3 footing screws of the compressor and remove the compressor Compressor Gas valve Liquid valve ...

Page 107: ...5 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 ...

Page 108: ...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 ...

Page 109: ...8 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 2 064 116 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 38 15 44 6 7...

Page 110: ...3 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 2 663 117 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 0 729 6 48 42 45 8...

Page 111: ...23 53 74 62 11 32 101 3 22 15 362 9 24 51 41 63 10 93 102 3 129 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 955 12 306 2 27 45 07 66 9 827 105 2 872 11 289 6 28 43 16 67 9 489 106 2 792 10 274 29 41 34 68 9 165 107 2 715 9 259 3 30 39 61 69 8 854 108 2 64 8 245 6 31 37 96 70 8 555 109 2 568 7 232 6 32 36 38 71 8 268 110 2 498 6 220 5 33 34 88 72 7 991 111 2 431 5 209 34 33...

Page 112: ...2218 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 For product improvement specifications and appearance in this manual are subject to change without prior notice ...

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