Gree GVH24AK-K3DNC8A Service Manual Download Page 42

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Service Manual

Installation and Maintenance

9.Troubleshooting

9.1 Judgement by Flashing LED of Indoor

No. Malfunction

Name

Display Method of

Indoor Unit

A/C status

Possible Reasons

Dual-8

Code

Display

High pressure

protection of system

Cooling: Compressor stops

and indoor fan operates.

Heating: All the loads are stopped.

Overpressure of AC system

Antifreezing

protection

Cooling: Compressor stops

and indoor fan operates.

Heating: All the loads are stopped.

Indoor tube temperature is too low under

cooling mode

High discharge

temperature

protection of

compressor

Cooling: Compressor stops

and indoor fan operates.

Heating: All the loads are stopped.

Discharge temperature is

too high.

Overcurrent

protection

Cooling: Compressor stops

and indoor fan operates.

Heating: All the loads are stopped.

Unit’s overall current is too large.

Communi-

cation

Malfunction

Cooling: Compressor stops

and indoor fan operates.

Heating: All the loads are stopped.

Bad communication of outdoors

Bad communication between main board

of indoor unit and display board (display E6

and indoor temp)

High

temperature

resistant

protection

Cooling: Compressor stops

and indoor fan operates.

Heating: All the loads are stopped.

Indoor tube temperature is too high

under heating mode

Discharge

temperature

sensor of outdoor

unit is not inserted

in copper pipe

Cooling: Compressor stops

and indoor fan operates.

Heating: All the loads are stopped.

Discharge temperature sensor of outdoor

unit is not inserted in copper pipe

No feedback

on motor of

indoor unit

Indoor ambient

temperature

sensor is

open/short

circuited

Cooling: Compressor stops

and indoor fan operates.

Heating: All the loads are

stopped.

Open circuit or short circuit of indoor

ambient temperature sensor

Indoor

evaporator

temperature

sensor is

open/short

circuited

Cooling: Compressor stops

and indoor fan operates.

Heating: All the loads are

stopped

Open circuit or short circuit of

indoor evaporator

Outdoor

ambient

temperature

sensor is

open/short

circuited

Cooling: Compressor stops

and indoor fan operates.

Heating: All the loads are

stopped.

Open circuit or short circuit of outdoor

ambient temperature sensor

Summary of Contents for GVH24AK-K3DNC8A

Page 1: ... Service Manual Change for life GREE ELECTRIC APPLIANCES INC OF ZHUHAI Model GVH24AK K3DNC8A Refrigerant R410A ...

Page 2: ...ons of Air Conditioner 13 6 2 Remote Control Operations 15 6 3 GREE App Operation Manual 20 6 4 Ewpe Smart App Operation Manual 21 6 5 Description of Each Control Operation 22 Part Ⅱ Installation and Maintenance 28 7 Notes for Installation and Maintenance 28 8 Installation 31 8 1 Installation procedures 31 8 2 Installation Parts checking 32 8 3 Selection of Installation Location 32 8 4 Precautions...

Page 3: ...lfunction 61 10 Exploded View and Parts List 63 10 1 Indoor Unit 63 10 2 Outdoor Unit 66 11 Removal Procedure 68 11 1 Removal Procedure of Indoor Unit 68 11 2 Removal Procedure of Outdoor Unit 77 Appendix 82 Appendix 1 Reference Sheet of Celsius and Fahrenheit 82 Appendix 2 Configuration of Connection Pipe 82 Appendix 3 Pipe Expanding Method 83 Appendix 4 List of Resistance for Temperature Sensor ...

Page 4: ...Service Manual 1 Technical Information 1 Summary Part Ⅰ Technical Information Indoor Unit Remote Controller Outdoor Unit GVH24AK K3DNC8A I GVH24AK K3DNC8A O YAP1F4 WiFi ...

Page 5: ...W Application Area m2 46 70 Indoor Unit Model of indoor unit GVH24AK K3DNC8A I Product Code CH057N00100 Fan Type Centrifugal Diameter Length DXL mm Φ111 5X1959 Fan Motor Cooling Speed SH H M L SL r min 1250 1020 900 780 480 Fan Motor Heating Speed SH H M L SL r min 1250 1020 900 780 480 Output of Fan Motor W 30 Fan Motor RLA A 0 12 Fan Motor Capacitor μF Evaporator Form Aluminum Fin copper Tube Pi...

Page 6: ... Motor Speed rpm 750 Output of Fan Motor W 60 Fan Motor RLA A 0 87 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit m3 h 4000 Fan Type Axial flow Fan Diameter mm Φ520 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side M...

Page 7: ...oor air flow High Pipe length 5m Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m Cooling Heating 0 10 20 30 40 50 60 70 90 0 1 1 0 2 1 0 0 1 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 80 11 10 9 8 7 6 5 4 3 2 1 0 11 10 9 8 7 6 5 4 3 2 1 0 220V 230V 240V 220V 230V 240V Current A Current A Conditions Indoor DB27 C WB19 C Outdoor DB35 C WB24 C Indoor air flow Super High Pipe length 5m ...

Page 8: ... P MPa T1 C T2 C 27 19 35 24 24K 0 8 to 1 0 in 8 11 out 11 14 in 75 85 out 37 43 Super High High 89 Rated heating condition 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 7 6 24K 2 5 to 2 7 in 75 85 out 37 43 in 1 ...

Page 9: ...Service Manual 6 Technical Information 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm 458 458 1790 476 ...

Page 10: ...Service Manual 7 Technical Information 3 2 Outdoor Unit Unit mm 897 340 560 4 6 3 963 396 0 0 7 ...

Page 11: ...ation Liquid 1 4 6 mm Gas 5 8 16mm 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 Compressor Strainer Strainer Electronic expansion Strainer Capillary ...

Page 12: ...Grounding wire YEGN Yellow Green BK Black 1 1 6 7 728 6 7 3 272 75 6 1 5 21 8 7 9 1 1 0 1 3 φ 63 2 5 3 7 5 7 67 3 02725 6 7 0 21 8 7 9 0 1 1 3 φ 63 02 8 02 8 3 3 0 1 2 5 20 63 8 8 1 7 1 1 1 287 225 81 7 57 5220 7 03 20 287 6 1 8 6 1 8 0 1 02725 02725 0 7 6 1625 6 1625 6 1625 7 03 78 67 3 83 2 1 1 1 3 81 7 21 2 1 7 50 1 2 3 75 2 3 9 325 725 57 0 02725 67 3 83 2 1 02725 0 1 7 5 1 0 1 7 5 1 600007060...

Page 13: ...ZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW WKH ULVN RI HOHFWULF VKRFN 51 1 20 11 5 1 B 1 1 8 3 1 1 1 8 7 1 225 81 7 5 1 1 8 2 7 50 1 0 1 7 32 5 1 7 6 1625 203 9 8 35 17 5 8 7 2 5 3 1 1 02725 2 1 7 9 7 9 9 9 9 0 3 9 OHFWURQLF SDQVLRQ 9DOYH 3 1 3 5 1 0 1 7 29 5 2 3527 725 1 5 9 8 8 8 5 3 3 57 57 57 5 29 203 6 7 203 8 7 03 6 1625 28778 2875220 7 03 6 1625 867 7 03 6 1625 3 1 3 8 1 LURQ VKHOO PRWRU RQ...

Page 14: ...ttom view NO Name 1 Wiring terminal for DC motor 2 Fuse 3 Live wire 4 Neutral wire 5 temperature sensor interface 6 Interface of up and down swing terminal up 7 Interface of up and down swing terminal down 8 Interface of display 9 Interface of outdoor unit communication 1 2 3 5 4 6 7 8 9 ...

Page 15: ... 1 Terminal of compressor wire 2 Terminal of electronic expansion valve 3 Terminal of sensor 4 Terminal of compressor overload protection 5 6 Terminal of outdoor fan 7 8 Terminal of 4 way valve 9 Power supply live wire 10 Communication wire withindoor unit Earthing wire Power supply neutral wire ...

Page 16: ... It there s no operation within 5s after setting the setting is confirmed Or press function button can also confirm the setting Under X fan status press function button to turn off the unit directly Under off status and X fan is not set when each pressing function button it can switch between timer and clean setting When certain characters are flashing it indicates this function can be set Press o...

Page 17: ... swing status UP DOWN Display left right swing status LEFT RIGHT ƽ When the characters are bright it in dicates the X fan function is turned on X FAN ƽ When the characters are bright it in dicates the E heater function is turned on E HEATER ƽ When the characters are bright it in this series model dicates the timer function is turned on TIMER ƽ When the characters of SPEED are bright indicates low ...

Page 18: ...power Heat mode Fan mode Dry mode Cool mode Auto mode Operation mode I feel function Sleep mode WiFi This is a general remote controller Some models have this function while some do not Please refer to the actual models 1 ON OFF button 2 SAVE button 3 FAN button 4 MODE button 6 button 7 button 9 COOL button 14 LIGHT button 15 TIMER button 12 SLEEP button 13 QUIET button 10 HEAT button 8 X FAN E HE...

Page 19: ...e adjusted and will not be displayed as well Press FAN button can adjust fan speed Press button can adjust fan blowing angle After selecting cool mode air conditioner will operate under cool mode Cool indicator on indoor unit is ON Press or FAN button to adjust fan speed Press button to adjust fan blowing angle unit is ON When selecting dry mode the air conditioner operates at low speed under dry ...

Page 20: ...Fan DRY and Auto modes this function is not available WiFi button 11 This function is only available for some models Press WiFi button to turn on or turn off WiFi function When WiFi function is turned on the WiFi icon will be displayed on remote controller Under status of remote controller off press MODE and WiFi buttons simultaneously for 1s WiFi module will restore to factory default setting 12 ...

Page 21: ... Child lock function Press and simultaneously to turn on or turn off child lock function When on remote controller If you operate the remote controller the icon will blink three times without sending signal to the unit child lock function is on icon is displayed Temperature display switchover function Under OFF status press and MODE buttons simultaneously to switch temperature display between ć an...

Page 22: ...m and there should be no Signal may be interfered easily in the room where there is fluorescent lamp should be close to indoor unit during or wireless telephone remote controller operation Replace new batteries of the same model when replacement is required When you don t use remote controller for a long time please take out the batteries If the display on remote controller is fuzzy or there s no ...

Page 23: ...ll it When GREE App is installed register the account and add the device to achieve long distance control and LAN control of Gree smart home appliances For more information please refer to Help in App Internet Cellular Other Wi FI Home Wi Fi Home wireless router Home Wi Fi Gree Gree Cloud GREE APP intelligent home appliances iOS system Support iOS7 0 and above version Android system Support Androi...

Page 24: ... App is installed register the account and add the device to achieve long distance control and LAN control of smart home appliances For more information please refer to Help in App 6 4 Ewpe Smart App Operation Manual iOS system Support iOS7 0 and above version Android system Support Android 4 4 and above version App Download Linkage Internet Cellular Other Wi FI Home Wi Fi Home wireless router Hom...

Page 25: ...e in drying mode and indoor set temperature is 24 When Tamb 20 unit will operate in heating mode and indoor set temperature is 20 when Tamb 24 unit will exit the heating mode For cooling only unit when Tamb 20 it will operate in fan mode and indoor set temperature is 20 when Tamb 24 unit will exit the fan mode Other f unctions 1 Swing function Different models have different swing functions For up...

Page 26: ...here is any button or remote control signal for set temperature or timer it displays relevant setting and then displays set temperature set or room temperature after 5 seconds 9 3 Mode part There are auto cooling drying fan and heating modes If you choose any of them the corresponding icon and characters will be displayed Under auto mode unit will display auto and the actual operation mode 9 4 Ind...

Page 27: ... order to protect safe operation of the entire unit the outdoor discharge sensor should be inserted at the sensor sleeve corresponded to discharge tube so that the control system can accurately inspect the discharge temperature of system and conduct accurate control and protection Otherwise it will shut down and indicate outdoor discharge sensor is invalid not correctly connect and plug at the rig...

Page 28: ...started after power is on Time delay is not required 9 Outdoor fan control 9 1 If unit is turned off by remote controller shut off due to protection or stops operation as it reaches the temperature point the compressor stops and the outdoor fan stops after running for 1 min 9 2 Under fan mode outdoor fan stops 9 3 Start defrosting Under defrosting mode the outdoor fan stops after the compressor st...

Page 29: ...ng operation if compressor operates for more than 10 minutes times of discharge protection shutdown will be cleared to zero Turning off or transferring to fan mode will clear malfunction and times of malfunction immediately if malfunction cannot be recovered it cannot be cleared after transferring to the other mode 14 Current protection function 14 1 If I over current limited frequency I alternati...

Page 30: ...ing off or transferring to fan mode will clear malfunction and times of malfunction immediately if malfunction cannot be recovered it cannot be cleared after transferring to the other mode 19 Compressor overload protection 19 1 If the overload switch of compressor is detected to be cut off for 3 seconds the system will stop for protection 19 2 If unit is detected to be recovered from overload prot...

Page 31: ...unding 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 objects 9 If power cord or connecti...

Page 32: ...lly closed and power is disconnected before detaching the connection pipe If compressor starts running when stop valve is open and connection pipe is not yet connected air will be sucked in and cause pressure rise or compressor rupture resulting in injury 5 When installing the unit make sure that connection pipe is securely connected before the compressor starts running If compressor starts runnin...

Page 33: ...pe 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 34: ...hrough 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 according to the actual situation Install...

Page 35: ...t air may reach each corner of the room 4 Select a location where connection pipe can be led to outdoor conveniently 5 Select a location where air inlet and outlet won t be blocked 6 Select a location with least affection of outdoor air 7 Select a location with firm and flat floor 8 Retain sufficient space for maintenance and installation 9 Ensure the installation meets the requirement of installa...

Page 36: ...he live wire neutral wire and grounding wire of power socket 6 Be sure to cut off the power supply before proceeding any work related to electric safety 7 Do not put through the power before finishing installation Pay attention to the following items when connecting wires 1 Please do the wiring according to the wiring diagram The screws must be tightly fastened the slippery screws must be changed ...

Page 37: ...ews fixing rear cover to remove the rear cover 2 Please use the attached accessories during piping and wiring at the back 3 According to the detail installation position of indoor unit pull out the winding pipe see fig a of indoor unit from the case see fig b connect with the connection pipe and then bind the connection pipe and drainage pipe together see fig c 4 Select left or right winding pipe ...

Page 38: ...t pipe match the connection pipe with the center of indoor unit pipe and then screw up the nut Moment of screwing up Hex nut diameter mm Tightening torque N m Φ6 1 4 15 20 Φ9 52 3 8 30 40 Φ12 1 2 45 55 Φ16 5 8 60 65 Φ19 3 4 70 75 indoor unit pipe Moment wrench indoor unit pipe connection pipe connection pipe wrench conical nut conical nut wiring board support plate screw screw Crimping clip N 1 2 ...

Page 39: ...nection pipe to the valve and then tighten them with hand 2 Tighten them with torque wrench Step three Connect outdoor electric wire 1 Remove the handle of outdoor unit 2 Remove the wire clamp connect the power connection to the wiring terminal and then fix it The wire distribution must be in accordance with the indoor unit 3 Fix the power connection wire with wire binder 4 Make sure the wire is f...

Page 40: ...te controller to start operation Press MODE button to select AUTO COOL DRY FAN and HEAT to check whether the operation is normal or not If the ambient temperature is lower than 16ºC the air conditioner can t start cooling In order to prevent tilting due to an accident please install the anti tilting chain Installation steps 1 Remove the screw in the anti tilting hole at the top cover of indoor uni...

Page 41: ... may be different from above graphics please refer to actual products Figure 1 Figure 2 connect this end wih the wall and fix it with screw remove the screw at top cover put this end into the anti tilting hole wall indoor unit anti tilting hole anti tilting hole ...

Page 42: ...ad communication between main board of indoor unit and display board display E6 and indoor temp 6 High temperature resistant protection E8 Cooling Compressor stops and indoor fan operates Heating All the loads are stopped Indoor tube temperature is too high under heating mode 7 Discharge temperature sensor of outdoor unit is not inserted in copper pipe U8 Cooling Compressor stops and indoor fan op...

Page 43: ...pressor operating frequency is decreased Discharge temperature is too high 17 Rotary casing stuck protection FC All the loads are stopped The rotary casing is stuck when rotating 18 Limit decrease frequency due to antifreezing FH Loads are running normally Compressor operating frequency is decreased Cooling inner tube temperature is too low 19 Decrease frequency due to high temperature resistant d...

Page 44: ...or startup is defective 31 PFC protection HC Cooling Compressor stops and indoor fan operates Heating All the loads are stopped PFC over current protection 32 EEPROM malfunction EE Cooling Compressor stops and indoor fan operates Heating All the loads are stopped Outdoor unit reads EEPROM data wrongly 33 Charging malfunction of capacitor PU Cooling Compressor stops and indoor fan operates Heating ...

Page 45: ...ates Heating All the loads are stopped Communication error between indoor unit and check board 47 Radio frequency module error rF Cooling Compressor stops and indoor fan operates Heating All the loads are stopped Radio frequency module error 48 Voltage is too high oE Cooling Compressor stops and indoor fan operates Heating All the loads are stopped DC voltage after power rectification is too high ...

Page 46: ...ontroller 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 y...

Page 47: ...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 48: ... there jumper cap on the mainboard Is the jumper 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 ...

Page 49: ...g for U8 malfunction Re energize1 minute after de erergization U8 is still displayed The 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 ...

Page 50: ... no Connect the OVC terminal on the main board with the high pressure switch on the complete unit well no Malfunction is eliminated no If the wire of high pressure switch is loosened please connect the wires according to the circuit diagram If the high pressure switch is broken or poorly contacted please replace it yes Malfunction is eliminated no Adjust the volume of refrigerant according to the ...

Page 51: ...system Malfunction is eliminated Is the fan speed abnormal Solve the problem of speed Malfunction is eliminated Is the evaporator dirty Clean the evaporator Problem is solved End no yes yes no System is normal but the indoor tube temperature sensor is abnormal Replace the temperature sensor Problem is solved no no Replace the controller yes yes yes yes yes yes no no no ...

Page 52: ...Service Manual 49 Installation and Maintenance 7 Malfunction of Protection of High Discharge Temperature Protection E4 no ...

Page 53: ... 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 54: ...ain board matches with display board Main board of IDU matches with that of ODU Communication cord is damaged Replace IDU s main board Malfunction eliminated End Connect the line according to wiring diagram Match correctly according to product specification Replace communication cord Replace ODU s main board Malfunction eliminated Malfunction eliminated Malfunction eliminated yes yes yes yes yes y...

Page 55: ...r on PC Board for 30s and 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 Discharg...

Page 56: ...he power and repair the power supply to restore the range 210VAC 250VAC N power on and restart the unit If the fault is eliminated Shut down the power and wait 20n muties or use DC voltmeter to measure the voltage on the two ends of capacitor test3 until the voltage is lower than 20V Check the connection of reactor L in the Electrical Wiring Diagram If the wiring of reactor L is normal Connect the...

Page 57: ...If they are loosened If the connection sequence is correct Is voltage input in the normal range Test the voltage between L N of wiring board XT by DC voltage meter If coil resistance of compressor is normal Is compressor coil insulating to copper pipe well If the work load of unit is heavy If radiating of unit is well If the refrigerant charging is appropriate Malfunction diagnosis process Malfunc...

Page 58: ...lace the control panel AP1 N N Y Y Y Please confirm 1 If the indoor and outdoor heat exchangers are dirty If they are obstructed by other objects which affect the heat exchange of indoor and outdoor unit 2 If the indoor and outdoor fans are working normally 3 If the environment temperature is too high resulting in that the system pressure is too high and exceeds the permissible range 4 If the char...

Page 59: ...f the indoor and outdoor fan work well De energize the unit and wait for 20min Replace the control board replace the outdoor control board in cooling mode replace the indoor control board in heating mode If the radiating of outdoor and indoor unit is well Improve the radiating environment of the unit Replace outdoor fan End Y Replace fan capacitor C1 Is the tube temp sensor normal Normal protectio...

Page 60: ...If the compressor wire COMP UVW is well connected and connection sequence is correct Replace control board AP1 If the stop time of compressor is more than 3min N If the stop time is not enough and the high and low pressure of system is not balance please start it after 3min Improve the connection situation of control board AP1 and compressor COMP connect it with wiring diagram N Y N If the refrige...

Page 61: ...ssor If the outdoor fan works normally If the stop time of compressor is more than 3min End Synchronism after energize the unit and start it Connect wire well Synchronism occurred during operation Replace control board AP1 If the radiating of unit is well Remove malfunction Improve the radiating of unit clean heat exchanger and increase ventilation Replace fan capacitor C1 Replace outdoor fan End ...

Page 62: ...ing disgram Check if the expansion valve is blocked If the wiring terminal FA of electron expansion is well connected Remove malfunction Remove malfunction Check if the coil of electron expansion is installed on the valve normally End After the u nit de energized for 20min Y N N N If the overload protector SAT is well connected N Under ambient temperature test the resistance of overload protector ...

Page 63: ...ication circuit of outdoor unit Problem of communication circuit Check if the controller connection wire inside indoor and outdoor electric box is loose Connection correct Connect wire of indoor and outdoor unit according to circuit diagram Check connection wire of indoor and outdoor unit with circuit diagram If the unit is operating normally before malfunction Y N Y N If the connection wire is no...

Page 64: ...d for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 4 Maintenance Method 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 plu...

Page 65: ...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 66: ... Parts List 10 1 Indoor Unit 11 12 13 14 15 16 17 18 19 20 21 22 23 24 30 31 32 33 34 35 36 37 38 26 39 40 41 42 43 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 1 2 3 4 5 6 7 8 9 10 44 The component picture is only for reference please refer to the actual product ...

Page 67: ...reproofing Cover 01254080 1 20 Stepping Motor 15214013 1 21 Air Scroll 20018100009 1 22 Cross Flow Fan 10354005 1 23 Evaporator Assy 000059060005 1 24 Inching Switch 4501400402 1 25 Connected Board Front Panel 01207700006 1 26 Mounting bracket motor 20012500026 1 27 Decorative plate mounting bracket 23000500055 1 28 Front Panel Sub assy display 00015500035 1 29 Display Module 3503056301 1 30 Decor...

Page 68: ...1 24214119 1 51 Pipe Clamp 02144018 1 52 Foam Water Tray 12314842 1 53 Water Tray 20184086 1 54 Drainage Pipe Sub assy 05234039 1 55 Cover Plate of Terminal Board 01364518 1 56 Cover Plate of Terminal Board 57 Terminal Box 01414153 1 58 Base Frame 20017200016 1 59 Decoration Chassis 23000100058D 1 60 Decorative board 23000500050P 1 61 Chassis 22224076 1 ...

Page 69: ...ual 66 Installation and Maintenance 10 2 Outdoor Unit 1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18 19 20 22 23 24 25 26 27 28 29 30 7 21 The component picture is only for reference please refer to the actual product ...

Page 70: ...1 11 Coping 01705067 1 12 Motor Support Sub Assy 011002000244 1 13 Condenser Assy 01475020 1 14 Rear Grill 71010103 1 15 Wiring Clamp 3900030902 1 16 Temperature Sensor 030174000041 1 17 Electronic Expansion Valve assy 030152000318 1 18 4 Way Valve Assy 0130509001P 1 19 Right Side Plate 01705046P 1 20 Valve Support Sub Assy 26233053 1 21 Handle 22245002 1 22 Valve Cover 07130239 1 23 Cut off Valve...

Page 71: ... Installation and Maintenance 11 Removal Procedure 11 1 Removal Procedure of Indoor Unit Caution discharge the refrigerant completely before removal 䔘䑉㾗㵝㠍 Ⰶⶨ 䔔䇳䓑㬯㾗䔔䇳䓑㬯 Ⰶ 㔾Ⰵ 㔾Ⰵ 㼓㩰㳂ゕ㻣䓑㬯 ᱄ 㾗 Ⰶⶨ㩰㔾Ⰵ ゕ㻣Ⰶⶨ᱄ Ⰶⶨ 㔾Ⰵ 㔾Ⰵ 㔾Ⰵ ...

Page 72: ...Service Manual 69 Installation and Maintenance ⶨ㩰㔾Ⰵ 㻣 ⶨ 㘇㔾Ⰵ 㾗Ⰶ 㔾Ⰵゑ㑞 ⷘ 㔾Ⰵ ゕ㻣 ⴈ㘇㶃 ᱄ 䔘䑉㾗㵝㠍 ⴈ㘇㶃 Ⰶⶨ㝾㚎 Ⰶⶨ 䄵䐒ㅴ 㻣᱄ 㔾Ⰵ ⶨ 㔾Ⰵ 㔾Ⰵ ⴈ㘇㔾Ⰵ ...

Page 73: ...Service Manual 70 Installation and Maintenance 㾗㻵㬟㡘䔊ミⰆ 㔾Ⰵ ㅴ㼀Ⱜ䓴ゕ㦂㻣㻵㬟㡘䔊ミ᱄ 㻵㬟㡘䔊ミ䔘䑉㾗㵝㠍㻣㔾Ⰵ 㻵㬟㚄 ⶨ 㻣㻵㬟㚄㘇㻣㔾Ⰵ ゕ㻵㬟㚄㘇㻣㻵㬟㩰㔾Ⰵ ゕ㦂㻣㻵㬟 ᱄ 㻵㬟㚄㔾Ⰵ 㔾Ⰵ 㔾Ⰵ 㻵㬟㡘䔊ミ ...

Page 74: ...Service Manual 71 Installation and Maintenance 䔘䑉㾗㵝㠍㾗 Ⰶⶨ䔚㩰㔾Ⰵ ゕ㻣Ⰶⶨ䔚᱄ Ⰶⶨ䔚 Ⰶⶨ䔚㔾Ⰵ 㔾Ⰵ 㔾Ⰵ 㾗㻣䐈䔔䇳㩰ⷘ Ⰹ㔾Ⰵ ゕ㻣䐈䔔䇳 ᱄ 䐈䔔䇳䐈 ...

Page 75: ...Service Manual 72 Installation and Maintenance 䔘䑉㾗㵝㠍䓑ソ Ⰶⶨ 㾗䓑ソ Ⰶⶨ 㩰㔾Ⰵ ゕ㦂㻣䓑ソ Ⰶⶨ ᱄ 㔾Ⰵ 䓑ソ Ⰶⶨ ⴈ㘇ミ㻣 ⴈ㘇 Ⰶ ミ㔾Ⰵ 㾒㼓㩰ゕ㦂 ⴈ㘇ミ᱄ 㔾Ⰵ 㔾Ⰵ ⴈ㘇ミ ...

Page 76: ...Service Manual 73 Installation and Maintenance 䔘䑉㾗㵝㠍㚻 ⴈ㘇ミ㻣㚻 ⴈ㘇ミ㩰㻣ⷘ 㔾Ⰵ 㩰㳂ゕ ㅌ 㚻 ⴈ㘇ミ㦂㻣᱄ 㔾Ⰵ 㔾Ⰵ 㾂㗦䔊ミ㾗㻣㔾Ⰵ 㣑ゕ㻣㾂㗦䔊ミ᱄ 㔾Ⰵ 㚻 ⴈ㘇ミ ...

Page 77: ...Service Manual 74 Installation and Maintenance 䔘䑉㾗㵝㠍ゴ㣠㳖䔚 ᱃ 䔚㣑㻣 Ⰹゴ㣠㳖㔾Ⰵ 䄵㻣ゴ㣠㳖㻣 Ⰹ 䔚㣑㔾Ⰵ ゕ㻣䔚㣑 ᱄ 㾗㻣㝭㔾Ⰵ ゕ㻣㝭ミ᱄ 㔾Ⰵ 㔾Ⰵ ゴ㣠㳖㝭ミ㔾Ⰵ 䔚 ...

Page 78: ...Service Manual 75 Installation and Maintenance 䔘䑉㾗㵝㠍㡘ミ᱃ㅴ㼀ミ᱄ 䔚ミ㾗㻣䔚ミ㩰㔾Ⰵ ゕ㻣䔚ミ᱄ 㾗㻣㡘ミ㩰㧈㵝㰚㬟㔾Ⰵ ゕ㡘ミ㾗㻣ㅴ㼀ミ㩰㧈㵝㰚㬟㔾Ⰵ ゕ ㅴ㼀ミ㔾Ⰵ 㔾Ⰵ ㅴ㼀ミ㔾Ⰵ 㡘ミ ...

Page 79: ...Service Manual 76 Installation and Maintenance 䊬Ⱀ ミ䓋Ⱀ ミ㻣㩰ⶨ 㔾Ⰵ 㦂㻣㩰ⶨ 㩰ⶨ 㻣䊬Ⱀ ミ㔾Ⰵ ゕ㻣䊬Ⱀ ミ㻣 Ⰹ 䓋Ⱀ ミ㔾Ⰵゕ㻣䓋Ⱀ ミ᱄ 䔘䑉㾗㵝㠍㔾Ⰵ 㔾Ⰵ 㔾Ⰵ 㩰ⶨ 㩰ⶨ 䊬Ⱀ ミ䓋Ⱀ ミ ...

Page 80: ...g the big handle and right side plate and then remove the big handle Remove the screw connecting the valve cover and right side plate and then remove the valve cover 2 Remove grille and outer case grille Remove the 4 screws connecting the grille and outer case and then remove the panel grille Remove the screws connecting the top cover with outer case right side plate and left side plate lift the t...

Page 81: ...t side plate and left side plate and then remove the outer case Remove the screws connecting the right side plate with electric box assy valve support chassis and condenser side plate and then remove the right side plate Remove the screws connecting the left side plate with chassis and then remove the left side plate Steps Procedure left side plate outer case 3 Remove right left side plate right s...

Page 82: ... the 2 screws connecting the motor support and chassis and then loosen the stopper to remove the motor support Remove the screws fixing the electric box sub assy loosen the wire bundle pull out the wiring terminals and then pull the electric box upwards to remove it Steps Procedure 5 Remove electric box 4 Remove axial flow blade axial flow fan motor support fan motor electric box ...

Page 83: ...then remove the isolation plate Unsolder the welding joints connecting the 4 way valve assy with capillary sub assy compressor and condenser remove the 4 way valve Note Before unsoldering the welding joint wrap the 4 way valve with a wet cloth completely to avoid damage to the valve caused by high temperature Steps Procedure 8 Remove 4 way valve assy 7 Remove isolation plate 6 Remove the soundproo...

Page 84: ...rts of discharge pipe and suction pipe from foreign objects Remove the screws connecting the support condenser and condenser assy and then remove the support condenser Remove the 2 screws fixing the condenser and chassis and then lift the condenser upwards to remove it Steps Procedure 10 Remove condenser sub assy 9 Remove compressor compressor support condenser chassis subassy sub assy ...

Page 85: ...82 4 28 66 67 66 2 19 75 76 75 2 24 84 85 84 2 29 68 68 20 77 77 25 86 86 30 1 Standard length of connection pipe 5m 7 5m 8m 2 Min length of connection pipe is 3m 3 Max length of connection pipe and max high difference See the specification 4 The additional refrigerant oil and refrigerant charging required after prolonging connection pipe After the length of connection pipe is prolonged for 10m at...

Page 86: ...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 87: ... 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...

Page 88: ... 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...

Page 89: ...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 ...

Page 90: ...86 756 8669426 E mail gree gree com cn 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 JF00303597 ...

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