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Service Manual

Table of Contents

Table of Contents

Part

Ⅰ

: Technical Information

.......................................................................1

1. Summary

......................................................................................................................1

2. Specifications

..........................................................................................................3

2.1 Specification Sheet

...........................................................................................................3

2.2 Operation Characteristic Curve

...................................................................................... 11

2.3 Capacity Variation Ratio According to Temperature

....................................................... 11

2.4 Cooling and Heating Data Sheet in Rated Frequency

...................................................12

2.5 Noise Curve

....................................................................................................................12

3. Outline Dimension Diagram

......................................................................13

3.1 Indoor Unit ......................................................................................................................13

3.2 Outdoor Unit

...................................................................................................................14

4. Refrigerant System Diagram

....................................................................15

5. Electrical Part

.........................................................................................................16

5.1 Wiring Diagram ...............................................................................................................16

5.2 PCB Printed Diagram .....................................................................................................19

6. Function and Control

......................................................................................21

6.1 Remote Controller Introduction

.....................................................................................21

6.2 Brief Description of Modes and Functions

......................................................................25

Part

Ⅱ

: Installation and Maintenance

.................................................31

7. Notes for Installation and Maintenance

..........................................31

8. Installation

................................................................................................................33

8.1 Installation Dimension Diagram ......................................................................................33

8.2 Installation Parts-checking

............................................................................................35

8.3 Selection of Installation Location ....................................................................................35

8.4 Electric Connection Requirement

...................................................................................35

8.5 Installation of Indoor Unit ................................................................................................35

8.6 Installation of Outdoor

Unit .............................................................................................38

8.7 Vacuum Pumping and Leak Detection

...........................................................................39

8.8 Check after Installation and Test

Operation ...................................................................39

Содержание GWH18KG-K3DNA5G

Страница 1: ...nge for Life Service Manual Models GWH18KG K3DNA5G GWH18KG K3DNA6G GWH18KG K3DNA9G GWH18KG K3DNB1G GWH18KG K3DNB2G GWH18KG K3DNB4G GWH24KG K3DNA5G GWH24KG K3DNA6G GWH24KG K3DNA9G GWH24KG K3DNB1G GWH24KG K3DNB2G GWH24KG K3DNB4G Refrigerant R410A ...

Страница 2: ...ram 15 5 Electrical Part 16 5 1 Wiring Diagram 16 5 2 PCB Printed Diagram 19 6 Function and Control 21 6 1 Remote Controller Introduction 21 6 2 Brief Description of Modes and Functions 25 Part Ⅱ Installation and Maintenance 31 7 Notes for Installation and Maintenance 31 8 Installation 33 8 1 Installation Dimension Diagram 33 8 2 Installation Parts checking 35 8 3 Selection of Installation Locatio...

Страница 3: ...oded View and Parts List 61 10 1 Indoor Unit 61 10 2 Outdoor Unit 71 11 Removal Procedure 75 11 1 Removal Procedure of Intdoor Unit 75 11 2 Removal Procedure of Outdoor Unit 81 Appendix 93 Appendix 1 Reference Sheet of Celsius and Fahrenheit 93 Appendix 2 Configuration of Connection Pipe 93 Appendix 3 Pipe Expanding Method 94 Appendix 4 List of Resistance for Temperature Sensor 95 ...

Страница 4: ... Ⅰ Technical Information Indoor Unit GWH18KG K3DNA6G I GWH24KG K3DNA6G I GWH18KG K3DNA5G I GWH24KG K3DNA5G I GWH18KG K3DNB1G GWH24KG K3DNB1G GWH18KG K3DNB2G I GWH24KG K3DNB2G I GWH18KG K3DNB4G I GWH24KG K3DNB4G I GWH18KG K3DNA9G I GWH24KG K3DNA9G I ON OFF ...

Страница 5: ...ormation Service Manual Outdoor Unit GWH18KG K3DNA6G O GWH24KG K3DNA6G O Remote Controller YB1F2 XFAN FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT ...

Страница 6: ...0 HSPF W W Application Area m2 23 34 Indoor Unit Indoor Unit Model 1 GWH18KG K3DNA6G I 2 GWH18KG K3DNA9G I Indoor Unit Product Code 1 CB146N36000 2 CB146N37300 Fan Type Cross flow Fan Diameter Length DXL mm Ф98X650 Cooling Speed SH H M L SL r min 1350 1100 950 800 Heating Speed SH H M L SL r min 1400 1200 1050 900 Fan Motor Power Output W 20 Fan Motor RLA A 0 31 Fan Motor Capacitor μF 1 5 Evaporat...

Страница 7: ...an Motor RLA A Fan Motor Capacitor μF Outdoor Unit Air Flow Volume m3 h 3200 Fan Type Axial flow Fan Diameter mm Ф520 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 Suction Side MPa 2 5 Sound Pressure Level H M L dB A 55 Sound Power L...

Страница 8: ...ea m2 23 34 Indoor Unit Indoor Unit Model 1 GWH18KG K3DNA5G I 2 GWH18KG K3DNA6G I 3 GWH18KG K3DNB2G I 4 GWH18KG K3DNB1G I 5 GWH18KG K3DNA9G I 6 GWH18KG K3DNB4G I Indoor Unit Product Code 1 CB146N37400 2 CB146N36000 3 CB409N02500 4 CB146N38100 5 CB146N37301 6 CB146N38300 Fan Type Cross flow Fan Diameter Length DXL mm Ф98X650 Cooling Speed SH H M L SL r min 1350 1100 950 800 Heating Speed SH H M L S...

Страница 9: ...an Motor RLA A Fan Motor Capacitor μF Outdoor Unit Air Flow Volume m3 h 3200 Fan Type Axial flow Fan Diameter mm Ф520 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 Suction Side MPa 2 5 Sound Pressure Level H M L dB A 55 Sound Power L...

Страница 10: ...rea m2 23 34 Indoor Unit Indoor Unit Model 1 GWH24KG K3DNA6G I 2 GWH24KG K3DNA9G I Indoor Unit Product Code 1 CB146N35900 2 CB146N37200 Fan Type Cross flow Fan Diameter Length DXL mm Φ98X765 Cooling Speed SH H M L SL r min 1350 1150 1000 850 Heating Speed SH H M L SL r min 1400 1200 1000 900 Fan Motor Power Output W 35 Fan Motor RLA A 0 31 Fan Motor Capacitor μF 2 5 Evaporator Form Aluminum Fin co...

Страница 11: ... Motor RLA A Fan Motor Capacitor μF Outdoor Unit Air Flow Volume m3 h 4000 Fan Type Axial flow Fan Diameter mm Φ552 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 Suction Side MPa 2 5 Sound Pressure Level H M L dB A 58 Sound Power Lev...

Страница 12: ...m2 23 34 Indoor Unit Indoor Unit Model 1 GWH24KG K3DNA5G I 2 GWH24KG K3DNA6G I 3 GWH24KG K3DNB2G I 4 GWH24KG K3DNB1G I 5 GWH24KG K3DNA9G I 6 GWH24KG K3DNB4G I Indoor Unit Product Code 1 CB146N37700 2 CB146N35900 3 CB409N02600 4 CB146N38200 5 CB146N37201 6 CB146N38700 Fan Type Cross flow Fan Diameter Length DXL mm Φ98X765 Cooling Speed SH H M L SL r min 1350 1150 1000 850 Heating Speed SH H M L SL ...

Страница 13: ... Motor RLA A Fan Motor Capacitor μF Outdoor Unit Air Flow Volume m3 h 4000 Fan Type Axial flow Fan Diameter mm Φ552 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 Suction Side MPa 2 5 Sound Pressure Level H M L dB A 58 Sound Power Lev...

Страница 14: ...50 40 0 5 7 10 Conditions Indoor DB27 C WB19 C Indoor air flow Super High Pipe length 5m Conditions Indoor DB20 C WB15 C Indoor air flow Super High Pipe length 5m Outdoor temp C Outdoor temp C Capacity ratio Capacity ratio Cooling Heating Cooling Heating 32 33 34 35 36 37 38 39 43 15 10 5 40 41 42 100 105 95 90 85 80 75 70 65 60 55 50 110 100 90 80 70 60 50 40 0 5 7 10 Conditions Indoor DB27 C WB1...

Страница 15: ...nit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor frequency Hz Indoor Outdoor P MPa T1 C T2 C 20 15 7 6 18K 2 2 to 2 4 70 to 35 2 to 4 Super High High 75 24K 78 Instruction T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure at the side of big valve Connection pipe length...

Страница 16: ...Φ70 70 90 45 45 40 Φ55 Φ55 Φ55 Φ55 40 41 3 41 3 71 161 54 54 5 120 5 548 5 H 103 149 542 176 130 685 193 Φ70 Φ70 70 90 45 45 40 Φ55 Φ55 Φ55 Φ55 40 41 3 41 3 71 161 54 54 5 120 5 548 5 W D H 103 149 542 176 130 685 193 unit mm 24K Unit 18K Unit Models W H D 18K 867 305 215 24K 1008 319 221 ...

Страница 17: ...14 Technical Information Service Manual 3 2 Outdoor Unit Unit mm 24K Unit 18K Unit 963 892 700 396 341 368 560 427 1000 920 610 370 790 395 ...

Страница 18: ...Liquid pipe 1 4 6mm Gas pipe 1 2 12mm 18K Gas pipe 5 8 16mm 24K Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Electric expand valve Strainer Capillary Compressor Accumlator ...

Страница 19: ...ver for this model SENSOR SENSOR AC L BK PE ROOM TUBE M2 SWING UD1 ROOM TEMP RT2 AP2 BN PG YEGN M1 BU FAN MOTOR OUTDOOR UNIT 2 3 XT N 1 TUBE TEMP RT1 SWING MOTOR COM OUT N PGF CAP JUMP DISP2 DISP1 AP1 RECEIVER AND DISPLAY BOARD EVAPORATOR TERMINAL BLOCK L L BU BK BN YEGN PRINTED CIRCUIT BOARD HEALTH L BU RD HEALTH N GENERATOR COLD PLASMA θ θ GWH18KG K3DNA5G I GWH18KG K3DNA6G I GWH18KG K3DNA9G I CB...

Страница 20: ...T1 INDOOR UNIT L1 RING BK BN BU BN BU YEGN BLOCK TERMINAL PE MAGNETIC PE M1 4 WAY 4YV VALVE VT VT OFAN 4WAY FAN MOTOR YEGN PE L1 PRINTED CIRCUIT BOARD U V W L1 COMP θ θ θ POWER Please don t touch any terminal when the voltage of terminal P DC and N DC at AP1 is higher than 30V to prevent the risk of electric shock WARNING BN 20K 15K 50K L2 GWH18KG K3DNA9G I CB146N37300 GWH24KG K3DNA9G I CB146N3720...

Страница 21: ...N MOTOR 4WAY OFAN VT VT VALVE 4YV 4 WAY M1 PE MAGNETIC PE TERMINAL BLOCK YEGN BU BN BU BN BK RING L1 INDOOR UNIT XT1 BU BK BN 3 2 N 1 L N PE BU YEGN L N PE YEGN PE COM_INNER N1 AC_L L3 L3 RING MAGNETIC L3 OVERLOAD PROTECTOR T_SENSOR YEGN W RD V YE U BU YE BU RD PE PE RT1 RT2 RT3 RD OVC_COMP WH WH SAT COMP X1 YE BU WH BK TEMP SENSOR OUTTUBE OUTROOM TEMP SENSOR EXHAUST TEMP SENSOR AP1 HEAT_B EH RD B...

Страница 22: ...terface of neutral wire 4 Capacitor of fan motor 5 Fuse 6 Interface of PG motor 7 Interface of health function live wire 8 Auto button 9 Up down swing 10 Feedback interface of PG motor 11 Interface of IDU and ODU communication 12 Display interface 13 Jumper cap 14 Interface of tube temperature sensor 15 Interface of ambient temperature sensor 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...

Страница 23: ...emperature sensor 3 Terminal of electronic expansion valve 4 Terminal of outdoor fan 5 Terminal of 4 way valve 6 Terminal of compressor electric heating 7 Terminal of chassis electric heating 8 Terminal of indoor unit and outdoor unit communication 9 Power supply live wire 10 Earthing wire 11 Power supply neutral wire 1 2 3 4 5 6 7 8 9 10 11 ...

Страница 24: ...en on remote controller displays the corresponding start up function s icon Buttons on remote controller Introduction for icons on display screen ON OFF Button 2 3 1 5 6 4 9 10 8 12 13 11 MODE Button Button X FAN Button TEMP Button TURBO Button SLEEP Button LIGHT Button Button HEALTH SAVE Button 7 Button TIMER Button FAN Button FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OF...

Страница 25: ...w speed medium speed and high speed 3 or button After each pressing of or button it can increase or decrease set temperature 1o C 1o F 2o F Hold or button 2s later set temperature on remote controller will change quickly After reaching to your required time loosen the button Temperature indicator on indoor unit will also change accordingly Temperature can t be adjusted under auto mode Under TIMER ...

Страница 26: ... temperature or outdoor ambient temperature on indoor unit s display Temperature is set circularly by remote controller as below When selecting by remote controller or no display temperature indicator on indoor unit displays set temperature When selecting by remote controller temperature indicator on indoor unit displays indoor ambient temperature When selecting by remote controller temperature in...

Страница 27: ...ed 5 Press button to select fan blowing angle Replacement of batteries in remote controller 1 Press the back side of remote controller marked with as shown in the fig and then push out the cover of battery box along the arrow direction 2 Replace two 7 AAA 1 5V dry batteries and make sure the position of polar and polar are correct 3 Reinstall the cover of battery box NOTICE During operation point ...

Страница 28: ...essor is reached the compressor and the outdoor fan motor stop operation The upper down horizontal louver will rotate to the horizontal position L The indoor fan will be stopped after operating for 60s at setting speed b Due to the blockage of PG motor horizontal louver will keep the stop position when the unit is turned off In other modes When the unit is stopped due to other malfunctions up down...

Страница 29: ...the temperature has increased by 3 C the unit will keep this temperature When the unit has operated for 7 hours the temperature will decrease by 1 C and then the unit will operate at this temperature all the time When the initial temperature is set as 24 27 C after starting up the sleep function the temperature will increase by1 C every one hour After the temperature has increased by 2 C the unit ...

Страница 30: ...sor is detected short circuit for 5s successively The detected temperature by the temperature sensor is too high and the complete unit will stop operation meanwhile the protection and malfunction of temperature sensor will be displayed accordingly 2 When the temperature sensor is detected open circuit for 5s successively The unit will stop operation due to protection and the corresponding malfunct...

Страница 31: ... Cooling at low temperature that is the minimum setting temperature for outdoor unit judgment is 25 C 2 Dry Mode Conditions and processes of dry operations Same as the cooling mode The temperature setting range is 16 30 C 3 Fan Mode 1 The compressor outdoor fan and four way valve are switched off The temperature setting range is 16 30 C 4 Heating Mode Conditions and processes of heating operations...

Страница 32: ...se or the operation frequency of compressor may stop increasing If the unit stops operation due to freeze prevention protection for 6 times successively the unit cant resume operation automatically and error code will be displayed successively Only press ON OFF button can resume the operation During operation process if compressor operates for more than 10min times of stop operation due to freeze ...

Страница 33: ...dular protection signal Main chip will detect the modular protection signal as soon as the unit is turned on Once modular protection signal is detected the unit will stop operation immediately due to protection If modular protection is resumed and compressor has stopped for 3min the complete unit can then be allowed to resume operation If the unit stops operation due to modular protection for 3 ti...

Страница 34: ...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...

Страница 35: ...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 ...

Страница 36: ...least 15cm At least 15cm At least 250cm Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S Space to the obstruction Drainage pipe Space to the wall Space to the obstruction Space to the obstructio Space to the obstruction A t l e a s t 3 0 0 c m At least 50cm At least 200cm At least 30cm At least 30cm At least 50cm ...

Страница 37: ...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...

Страница 38: ... first class electric appliance It must be properly grounding with 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 applianc...

Страница 39: ...all slightly downward to the outdoor side with the gradient of 5 10 As show in Fig 2 Note Insulating pipe Torque wrench Open end wrench Indoor pipe Pipe Union nut Union nut Pipe joint Pipe Hex nut diameter mm Tightening torque N m Φ6 15 20 Φ9 52 30 40 Φ12 45 55 Φ16 60 65 Φ19 70 75 Refer to the following table for wrench moment of force Fig 5 Fig 6 Fig 7 5 Connect the Pipe of Indoor Unit 1 Aim the ...

Страница 40: ...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 2 Make the power connection wire go through the cable cross hole at the back of indoor unit and then pull it out from the front side As show in Fig 12 3 Remove the wire clip connect the power connection...

Страница 41: ... bolts As show in Fig 20 4 Connect Indoor and Outdoor Pipes 1 Remove the screw on the handle and valve cover of outdoor unit and then remove the handle and valve cover As show in Fig 21 2 Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe As show in Fig 22 3 Pretightening the union nut with hand 4 Tighten the union nut with torque wrench Fig 18 Fig 19 Fig 20 Fig 21 Fig 2...

Страница 42: ... 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 this status for 1 2min to check if the pressure of piezometer remains in 0 1MPa If the pressure decreases there may be leakage 5 Remove the piezometer open the ...

Страница 43: ...ature sensor is open short circuited F1 Indoor evaporator temperature sensor is open short circuited F2 Module temperature sensor is open short circuited P7 Outdoor ambient temperature sensor is open short circuited F3 Outdoor condenser tube temperature sensor is open short circuited F4 Outdoor discharge temperature sensor is open short circuited F5 Communication malfunction between indoor and out...

Страница 44: ...d then peformedischarging NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280V to 380V remains and disc harging takes a lot of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electrol ytic capa...

Страница 45: ...roken Malfunction diagnosis process Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes Yes Yes Yes Yes No No No No No No Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace it with a temperature sensor with the same model Make the parts upright Is there short cir...

Страница 46: ...the connection of PG motor control terminal is firm Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers are opened Tighten the screw reassemble the blade motor and shaft bearing rubber base sub assy to make sure there is no foreign object between them Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No ...

Страница 47: ...f the mainboard is defined abnormal Malfunction diagnosis process Start Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly Replace the jumper cap with the same model Appearance of the jumper cap Assemble the jumper cap with the same model Insert the jumper cap tightly Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace the mainbo...

Страница 48: ...charges slowly The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 is displayed due to power off on while the capacitor discharges slowly U8 is still displayed The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same mo...

Страница 49: ...e wiring diagram Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Main board matches with display board Main board of IDU matches with that of ODU Match correctly according to product specification Connection of communication wire is damaged or not Replace the connection wire Replace the main board of IDU Replace the main board of ODU End No N...

Страница 50: ...ion occurs after de energizing and turning on the unit Whether stop time for compressor is more than 3min No No No No No No No Yes Yes Yes Yes Yes No Yes Yes Yes Yes Whether valve of outdoor unit is opened Whether wire connection for compressor is correct Open the valve Is malfunction eliminated Connect wire correctly Is malfunction eliminated Replace electronic expansion valve Is malfunction elim...

Страница 51: ...such as clean heat exchanger improve ventilation etc Turn on the unit again after the power voltage is resumed Charge refrigerant according to service manual Whether the outdoor fan can operate normally Whether the radiation for the unit is in good condition Whether the input voltage is normal Whether refrigerant is superfluous Replace main board of outdoor unit Is malfunction eliminated Replace c...

Страница 52: ...lfunction diagnosis process Start the troubleshooting for temperature sensor Check the connection between temperature sensor and wiring terminal is loose or in poor connection Check whether the temperature sensor is normal according to the Resistance Value Table for Temperature Sensor Insert the temperature sensor well Is malfunction eliminated Is malfunction eliminated Replace the temperature sen...

Страница 53: ...der ambient temperature Whether the resistance 1KΩ Whether wire connection wire electronic expansion valve is in good condition Check the coil of electronic expansion valve If it s damaged please replace it Is malfunction eliminated If the refrigerant is leaking please add refrigerant according to Service Manual Is malfunction eliminated Replace main board of outdoor unit End Yes Yes Yes Yes No No...

Страница 54: ...t for 1 min There is malfunction for the detection circuit on main board of outdoor unit Check the input power and resume the power supply normal Is malfunction eliinated Measure the voltage at both ends of big electrolytic capacitor with the DC notch of universal meter Is the voltage more than 100V Check whether the input voltage is within the normal range Replace main board of outdoor unit End N...

Страница 55: ...fan terminal is connected well Whether the fan is damaged Replace fan capacitor unavailable for DC fan Replace outdoor fan Whether outdoor ambient temperature is more than 53o C Whether radiation inside or outdoor the unit is good Whether outdoor fan operates normally Replace main board of outdoor unit End No Yes Yes Yes Yes No No No Remark When overload protection occurs under cooling mode it s b...

Страница 56: ...ompressor wires are connected correctly Whether there re above circumstances Connect compressor wires according to correct wiring method Modify it according to Service Manual and then energize and turn on the unit Measure the resistance beween two phases of three phases of compressor Is resistance value normal Measure the resistance between three phase of compressor and copper pipe Is resistance v...

Страница 57: ...ion of PFC Protection HC Main check point Whether power supply is normal Malfunction diagnosis process Start Check whether power supply is normal Is power abnormal Replace main board of outdoor unit End Turn on the unit again after the power is resumed Yes No ...

Страница 58: ...d of outdoor unit is damaged Malfunction diagnosis process Communication malfunction De energize the unit and then check whether connection wires between indoor unit and outdoor unit and wiring inside the electric box are correct Are wires are connected correctly Replace main board of indoor unit Is malfunction eliminated End Replace main board of outdoor unit Connect wire correctly according to c...

Страница 59: ...e stop time for compressor is more than 3min Whether compressor wires are connected correctly The stop time for unit is not enough high pressure and low pressure of system are unbalanced please wait for 3min and then restart up the unit Whether the refrigerant volume is superfluous Please charge the refrigerant according to Service Manual Is malfunction eliminated Replace main board of outdoor uni...

Страница 60: ...e the compressor Replace the mainboard with the same model End Is the supply voltage too low with overload Is the indoor outdoor heat exchanger dirty or are the air inlet and outlet blocked The fan is abnormal Fan speed is too low or fan doesn t rotate Measure the current of live wire on the main board with a clamp ampere meter Is the current higher than the value of the overcurrent protection Is ...

Страница 61: ...etection circuit malfunctions of phase current of compressor U1 Hardware of main board is damaged Please replace main board 4 DC busbar voltage is too high PH Input voltage is too high or unstable Hardware of main board is damaged 5 DC busbar voltage is too low PL Input voltage is too low or unstable Hardware of main board is damaged 6 Malfunction of ODU DC fan L3 The wire terminal of outdoor fan ...

Страница 62: ...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...

Страница 63: ... re parts touching together inside the outdoor unit There s abnormal sound fro outdoor unit Remove foreign objects Adjust all parts position of outdoor unit tighten screws and stick damping plaster between connected parts Short circuit inside the magnetic coil During heating the way valve has abnormal electromagnetic sound Replace magnetic coil Abnormal shake of compressor Outdoor unit gives out a...

Страница 64: ...ew and Parts List 10 1 Indoor Unit FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT 13 39 38 37 12 11 10 9 8 7 6 5 4 22 21 20 19 18 17 16 15 14 23 24 25 26 27 29 31 30 32 33 34 35 36 28 3 2 1 18K ...

Страница 65: ...ame 01252484 01252484 1 17 Cross Flow Fan 10352036 10352036 1 18 Motor Press Plate 26112231 26112231 1 19 Fan Motor 15012146 15012146 1 20 Connecting pipe clamp 2611216401 2611216401 1 21 Drainage hose 0523001407 0523001407 1 22 SteppingMotor 15012086 15012086 1 23 Crank 10582070 10582070 1 24 Electric Box Assy 10000201021 10000201021 1 25 Electric Box 20112103 20112103 1 26 Axile Bush 10542036 10...

Страница 66: ...4 01252484 1 17 Cross Flow Fan 10352036 10352036 1 18 Motor Press Plate 26112231 26112231 1 19 Fan Motor 15012146 15012146 1 20 Connecting pipe clamp 2611216401 2611216401 1 21 Drainage hose 0523001407 0523001407 1 22 SteppingMotor 15012086 15012086 1 23 Crank 10582070 10582070 1 24 Electric Box Assy 10000202329 10000201021 1 25 Electric Box 20112103 20112103 1 26 Axile Bush 10542036 10542036 1 27...

Страница 67: ...me 01252484 01252484 1 17 Cross Flow Fan 10352036 10352036 1 18 Motor Press Plate 26112231 26112231 1 19 Fan Motor 15012146 15012146 1 20 Connecting pipe clamp 2611216401 2611216401 1 21 Drainage hose 0523001407 0523001407 1 22 SteppingMotor 15012086 15012086 1 23 Crank 10582070 10582070 1 24 Electric Box Assy 10000201021 10000201021 1 25 Electric Box 20112103 20112103 1 26 Axile Bush 10542036 105...

Страница 68: ...16 Wall Mounting Frame 01252484 1 17 Cross Flow Fan 10352036 1 18 Motor Press Plate 26112231 1 19 Fan Motor 15012146 1 20 Connecting pipe clamp 2611216401 1 21 Drainage hose 0523001407 1 22 SteppingMotor 15012086 1 23 Crank 10582070 1 24 Electric Box Assy 10000201021 1 25 Electric Box 20112103 1 26 Axile Bush 10542036 1 27 Indicator Light Cover 22242084 1 28 Indicator shield cover 22242083 1 29 Te...

Страница 69: ...vice Manual 37 36 35 14 12 11 10 13 8 28 29 24 16 25 9 15 17 18 19 6 22 23 5 27 3 4 2 1 20 21 7 30 32 33 26 31 34 FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT 38 24K ...

Страница 70: ...00032 1 15 Wall Mounting Frame 01252032 01252032 1 16 Motor Press Plate 26112330 26112330 1 17 Fan Motor 15012098 15012098 1 18 Pipe Clamp 26112188 2611218801 1 19 Drainage hose 0523001405 0523001405 1 20 Step Motor 1521300101 1521300101 1 21 Crank 10582070 10582070 1 22 Guide Louver 10512138 10512138 1 23 Axile Bush 10542036 10542036 2 24 Electric Box 20112103 20112103 1 25 Terminal Board 4201123...

Страница 71: ...00032 1 15 Wall Mounting Frame 01252032 01252032 1 16 Motor Press Plate 26112330 26112330 1 17 Fan Motor 15012098 15012098 1 18 Pipe Clamp 26112188 26112188 1 19 Drainage hose 0523001405 0523001405 1 20 Step Motor 1521300101 1521300101 1 21 Crank 10582070 10582070 1 22 Guide Louver 10512138 10512138 1 23 Axile Bush 10542036 10542036 2 24 Electric Box 20112103 20112103 1 25 Terminal Board 42011233 ...

Страница 72: ...100032 1 15 Wall Mounting Frame 01252032 01252032 1 16 Motor Press Plate 26112330 26112330 1 17 Fan Motor 15012098 15012098 1 18 Pipe Clamp 26112188 26112188 1 19 Drainage hose 0523001405 0523001405 1 20 Step Motor 1521300101 1521300101 1 21 Crank 10582070 10582070 1 22 Guide Louver 10512138 10512138 1 23 Axile Bush 10542036 10542036 2 24 Electric Box 20112103 20112103 1 25 Terminal Board 42011233...

Страница 73: ...14 Evaporator Assy 01100100032 1 15 Wall Mounting Frame 01252032 1 16 Motor Press Plate 26112330 1 17 Fan Motor 15012098 1 18 Pipe Clamp 26112188 1 19 Drainage hose 0523001405 1 20 Step Motor 1521300101 1 21 Crank 10582070 1 22 Guide Louver 10512138 1 23 Axile Bush 10542036 2 24 Electric Box 20112103 1 25 Terminal Board 42011233 1 26 Main Board 30138000409 1 27 Electric Box Cover2 20112081 1 28 Sh...

Страница 74: ...71 Installation and Maintenance Service Manual 10 2 Outdoor Unit 22 9 8 7 6 4 2 1 16 14 13 12 11 20 19 18 17 23 25 26 27 32 31 29 3 5 28 30 21 15 10 24 GWH18KG K3DNA6G O ...

Страница 75: ...03 0713506703 1 12 Cut off Valve 0713506803 0713506803 1 13 Handle 26235254 26235254 1 14 Magnet Coil 4300040045 4300040045 1 15 Wiring Clamp 26115004 26115004 1 16 Temperature Sensor 3900030901 3900030901 1 17 Rear Grill 01473043 01473043 1 18 Condenser Assy 01163935 01163935 1 19 Clapboard Assy 01233153 01233153 1 20 Coping 01255005P 01255005P 1 21 Supporting Board Condenser 01795010 01795010 1 ...

Страница 76: ...73 Installation and Maintenance Service Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 35 34 36 37 GWH24KG K3DNA6G O ...

Страница 77: ...1 14 Cut off Valve 07133157 07133157 1 15 Baffle Valve Support 01365435P 01365435P 1 16 Right Side Plate 0130504401P 0130504401P 1 17 Valve Cover 22245003 22245003 1 18 Big Handle 26235001 26235001 1 19 Wiring Clamp 26115004 26115004 1 20 Rear Grill 01475013 01475013 1 21 Condenser Assy 01163917 01163917 1 22 Reactor 23 Clapboard Assy 01233164 01233164 1 24 Condenser Support Plate 01175092 0117509...

Страница 78: ...air filters If ON OFF button is kept pushing for 5 seconds a forced cooling operation will be carried out for ap prox 15 minutes Pull protrusions on left and right sides of panel with fingers and open front panel all the way a Lift center section of air filter and disengage hooks b Left and right filters are interchangeable To re install insert air filter along the guide Remove air filter by pulli...

Страница 79: ...er hand Draw out the axial bush Bend the horizontal louver slightly and then remove it a Left and right filters are interchangeable To re install insert air filter along the guide Hook a finger onto the projection part provided on the both sides of the units panel and open up the panel to the position higher than it will stop b Remove the front panel from the unit c Guide Louver axial bush Front p...

Страница 80: ... upper part there are 2 hooks in the left and the right Remove the 5 screws in the right and the left which fix the main body with the front grille a Disengage the hooks by pressing knobs with a screwdriver Disengage the 3 hooks on the upper part In case that the hooks are not pressed from above remove the front panel and then remove the grille while pushing the hook through a clearance between th...

Страница 81: ...nnect the connection wires Twist off the earthing screw fixing the evaporator Pull out the all the wiring terminals b Pay attention to the direction of the retainer of the thermistor so that the retainer will not touch the harness same as the existing models Terminal board Connecting wires Heat exchanger thermistor Remove a screw on the electrical box c ...

Страница 82: ...Procedure Points 7 Remove piping fixture Remove Pipe Clamp a Loosen the screws in the right and the left which fix the Evaporator Assy Remove Evaporator Assy b Auxiliary piping Piping fixture Adjust the pipeline slightly c Auxiliary piping Heat exchanger ...

Страница 83: ... plate of motor 9 Remove shaft cushion rubber base Remove screws of motor press plate and then remove the motor press plate Pressure plate of motor Shaft cushion rubber base Remove motor blade and shaft cushion rubber base Remove screws on cross flow blade and then remove the motor Screw a b ...

Страница 84: ...ws connecting the top panel with the front panel and the right side plate and then remove the top panel 2 Remove grille panel and rear grill Remove the 2 screws connecting the grille and the panel and then remove the grille Steps Procedure 11 2 Removal Procedure of Outdoor Unit Warning Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant co...

Страница 85: ...and the motor support and then remove the panel 3 Remove left side plate and right side plate Remove the screws connecting the right side plate with the chassis the valve support and the electric box and then remove the right side plate assy Remove the screws connecting the left side plate and the chassis and then remove the left side plate assy panel rear grill right side plate leftsideplate Step...

Страница 86: ...ng terminals and then pull the electric box upwards to remove it Remove the 4 tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Remove the 2 tapping screws fixing the motor support and then pull the motor support upwards to remove it Remove the nuts fixing the blade and then remove the axial flow blade axial flow blade electric box Steps Proc...

Страница 87: ...ponge carefully soundproof sponge 7 Remove Isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet Isolation sheet 8 Remov e 4 way valve assy Discharge the refrigerant completely unsolder the pipelines connecting the compressor and the condenser assy and then remove the 4 way valve assy 4 way valve assy Steps Procedure ...

Страница 88: ...compressor Remove the screws connecting the support condenser and condenser assy and then remove the support condenser 9 Remov e compressor compressor 10 Remove condenser sub assy a support capillary sub assy b Remove the chassis sub assy and condenser sub assy condenser sub assy chassis sub assy Steps Procedure ...

Страница 89: ...86 Installation and Maintenance Service Manual c Dissemble the chassis sub assy and condenser sub assy condenser sub assy chassis sub assy Steps Procedure ...

Страница 90: ...the 3 screws connecting the top panel with the front panel and the right side plate and then remove the top panel top panel 2 Remove grille front side plate and panel Remove Remove the 1 screw connecting the front side plate and the panel and then remove the front side plate the 2 screws connecting the grille and the panel and then remove the grille b handle and valve cover grille front side plate...

Страница 91: ...nel 3 Remove right side plate and left side plate Remove the screws connecting the right side plate with the chassis the valve support and the electric box and then remove the right side plate assy panel rightsideplate Remove the screws connecting the left side plate and the chassis and then left side plate remove the left side plate assy Steps Procedure ...

Страница 92: ...iring terminals and then pull the electric box upwards to remove it Remove the 4 tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Remove the 2 tapping screws fixing the motor support and then pull the motor support upwards to remove it electric box fan motor axial flow blade Remove the nuts fixing the blade and then remove the axial flow bla...

Страница 93: ...undproof sponge carefully 7 Remove Isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet Isolation sheet Discharge the refrigerant completely unsolder the pipelines connecting the compressor and the condenser assy and then remove the 4 way valve assy 4 way valve assy 4 way valve assy Connection Pipe Steps Procedure ...

Страница 94: ...bolts fixing the valve subassemblies Unsolder the welding joint connecting the gas valve and the return air pipe Remove the gas valve Note When unsoldering the soldering joint wrap the gas valve with wet cloth completely to avoid damage to the valve caused by high temperature Unsolder the welding joint connecting the liquid valve and the connecting pipe Remove the liquid valve Remove screws fixing...

Страница 95: ...92 Installation and Maintenance Service Manual 11 Remove condenser sub assy Remove the chassis sub assy and condenser sub assy chassis sub assy condenser sub assy Steps Procedure ...

Страница 96: ... 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...

Страница 97: ...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 ...

Страница 98: ... 66 88 33 10 63 72 2 439 111 0 737 5 63 46 34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 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 4...

Страница 99: ... 0 983 5 84 61 34 13 59 73 3 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 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...

Страница 100: ...74 62 11 32 101 3 22 15 362 9 24 51 41 63 10 93 102 3 13 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2 79 10 274 29 41 34 68 9 17 107 2 72 9 259 3 30 39 61 69 8 85 108 2 64 8 245 6 31 37 96 70 8 56 109 2 57 7 232 6 32 36 38 71 8 27 110 2 50 6 220 5 33 34 88 72 7 99 111 2 43 5 209 34 33 45 73 7 73 112 2 37 ...

Страница 101: ... 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 JF00302256 ...

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