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Installation and Maintenance

Service Manual

Procedure

Step

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 connection clasps between
vertical louver and bottom case to remove
vertical louver.

Loosen the connection clasps between
front case sub-assy and bottom case. Lift
up the front case sub-assy and take it out.

5. Remove front case sub-assy

6. Remove vertical louver

Front case
sub-assy

Front case

sub-assy

Clasp

Screw caps

Screws

Screw

Vertical

louver

Vertical

louver

Clasps

Bottom

case

Remove the screws fixing detecting plate
and remove detecting plate(wifi).

Remove the screws fixing electric box
cober2 and remove electric box2.

4. Remove detecting plate(wifi) and electric box cover2

Detecting plate(WIFI)

Содержание GWH12QB-K6DNA1I

Страница 1: ...E ELECTRIC APPLIANCES INC OF ZHUHAI GWH12QB K6DNB8I GWH12QB K6DNB2I GWH12QB K6DNB4I GWH12QB K6DNA1I GWH12QB K6DND6I GWH12QB K6DNA5I GWH12QB K6DND6I GWH12QB K6DNA3I GWH12QB K6DNC6I GWH12QB K6DNC4I GWH1...

Страница 2: ...Function and Control 17 6 1 Remote Controller Introduction of YAN1F6 WiFi 17 6 2 Remote Controller Introduction of YAP1FB2 WiFi 22 6 3 Brief Description of Modes and Functions 27 6 4 GREE App Operati...

Страница 3: ...Exploded View and Parts List 72 10 1 Indoor Unit 72 10 2 Outdoor Unit 78 11 Removal Procedure 80 11 1 Removal Procedure of Indoor Unit 80 11 2 Removal Procedure of Outdoor Unit 85 Appendix 89 Appendix...

Страница 4: ...ummary Part Technical Information Indoor Unit GWH12QB K6DNB8I I GWH12QB K6DNB2I GWH12QB K6DNB4I I GWH12QB K6DND6I I GWH12QB K6DNA5I I GWH12QB K6DND6I I GWH12QB K6DNC6I I GWH12QB K6DNC8I I GWH12QB K6DN...

Страница 5: ...438006801 YAN1F6 WiFi 2 GWH12QB K6DNB2I CB432012300 3 GWH12QB K6DNB4I CB434010600 CB434010601 4 GWH12QB K6DNA1I CB419015000 5 GWH12QB K6DND6I CB460005100 6 GWH12QB K6DNA5I CB425011800 7 GWH12QB K6DND6...

Страница 6: ...2 GWH12QB K6DNB2I I 3 GWH12QB K6DNB4I I 4 GWH12QB K6DNA1I I 5 GWH12QB K6DND6I I 6 GWH12QB K6DNA5I I 7 GWH12QB K6DND6I I 8 GWH12QB K6DNA3I I 9 GWH12QB K6DNC6I I 10 GWH12QB K6DNC4I I 11 GWH12QB K6DNC8I...

Страница 7: ...F Air Flow Volume of Outdoor Unit m3 h 2200 Fan Type Axial flow Fan Diameter mm 438 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Op...

Страница 8: ...35 C WB24 C Indoor air flow Super High Pipe length 5m Conditions Indoor DB20 C WB15 C Outdoor DB7 C WB6 C Indoor air flow Super High Pipe length 5m Compressor speed rps Compressor speed rps Cooling He...

Страница 9: ...peed of outdoor unit Compressor frequency Hz Indoor Outdoor P MPa T1 o C T2 o C 27 19 35 24 12K 0 8 1 1 11 to 14 38 to 41 Super High High 72 Rated heating condition o C DB WB Model Pressure of gas pip...

Страница 10: ...7 Technical Information Service Manual W D H 90 150 54 168 5 462 159 5 55 55 54 104 685 181 140 190 38 55 55 38 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm Unit mm Models W H D 12K 790 275 200...

Страница 11: ...8 Technical Information Service Manual 3 2 Outdoor Unit Unit mm 257 780 596 848 286 540 320 257...

Страница 12: ...nit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Capillary Strainer Accumlator Compressor Connec...

Страница 13: ...p is used to determine fan speed and the swing angle of horizontal lover for this model 7 6 1625 7 03 6 1625 7 03 6 1625 57 5220 78 67 33 1 63 35 17 5 8 7 2 5 5 9 5 1 63 2 5 211 7 1 6 1 8 02725 2 7 50...

Страница 14: ...25 0 3 63 63 1 1 57 1 20 287 8 1 02 8 3 20 0 18 GWH12QB K6DND6I I GWH12QB K6DNB8I I CB438N06801 GWH12QB K6DNB4I I GWH12QB K6DNC4I I CB444N07501 7 6 1625 7 03 6 1625 7 03 6 1625 57 5220 78 67 33 1 63 3...

Страница 15: ...5 21752 5 20 0 18 7 6 1625 7 03 6 1625 7 03 6 1625 57 5220 78 67 33 1 63 35 17 5 8 7 2 5 5 9 5 1 63 2 5 211 7 1 6 1 8 02725 2 7 50 1 3 803 3 8 1 9 325 725 3 7 1 0 287 225 81 7 3 3 1 5 725 2 3 60 1 027...

Страница 16: ...QJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW WKH ULVN 51 1 1 8 1 1 1 8 1 0 1 7 5 1 7 50 1 7 2 1 208 3 1 7 03 6 1625 7 03 6 1625 7 03 57 57 57 6 1625 N N N 28778 2875220 867 9 9 9 97 97...

Страница 17: ...ation wire Live wire 4 Fuse 5 Neutral wire 6 PG fan interface Auto button up down swing interface Interface of PG feedback 7 8 9 10 11 Needle stand for WiFi 12 Interface of temperature sensor Interfac...

Страница 18: ...f neutral wire 5 Interface of fan 6 Interface of health function live wire Only for the mode with this function 7 Jumper cap 8 Auto button 9 Up down swing interface 10 Feedback interface of indoor uni...

Страница 19: ...face of compressor wire 2 Interface of reactor 3 Fan terminal 4 Interface of 4 way valve 5 Terminal of electronic expansion valve 6 Grounding wire 7 Live wire 8 Neutral wire 9 Communication wire 10 Ov...

Страница 20: ...on which the model doesnt have if pressthe corresponding button on the remote controller that the unit will keep theoriginal running status After putting through the power the air conditioner will giv...

Страница 21: ...t temperature Set temperature range from remote controller 16 30 Fan speed auto low speed medium speed high speed 5 TURBO button Under COOL or HEAT mode press this button to turn to quick COOL or quic...

Страница 22: ...MER OFF button TIMER OFF button can set the time for timer off After pressing this button icon disappears and the word OFF on remote controller blinks Press or button to adjust TIMER OFF setting After...

Страница 23: ...on is started up and 8 will be shown on remote controller and the air conditioner keep the heating status at 8 Press TEMP and CLOCK buttons simultaneously again to exit 8 heating function Note Under 8...

Страница 24: ...ld be close to indoor unit during operation Replace new batteries of the same model when replacement is required When you dont use remote controller for a long time please take out the batteries If th...

Страница 25: ...on Healthy mode Scavenging functions SLEEP button WiFi button 8 WiFi Note After putting through the power the air conditioner will give out a sound Operation indictor is ON red indicator the colour Af...

Страница 26: ...h speed It s Low fan speed under Dry mode Unde AUTO speed air conditioner will select proper fan speed automatically according to ex factory setting Note This function indicates that moisture on evapo...

Страница 27: ...ler blinks Press or icon disappears and the word ON on remote button to adjust T ON setting After each pressing or button T ON setting will increase or decrease 1min Hold or button 2s your required ti...

Страница 28: ...ter powered on Sleep Off is defaulted After function and icon will disappear the unit is turned off the Sleep function is canceled In this mode the time of time can be adjusted Under Fan DRY and Auto...

Страница 29: ...the remote controller the icon will blink three times without sending signal to the unit Temperature display switchover function Under OFF status press and MODE buttons simultaneously to switch temp...

Страница 30: ...ops operation ODU fan motor stops operation with a delay of 30s and IDU fan motor operates at set speed c When Tpreset 2 Tindoor amb Tindoor supplementary Tpreset the unit will maintain its previous r...

Страница 31: ...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 heat...

Страница 32: ...ll 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...

Страница 33: ...nd a Di sound when the air conditioner is powered up or received the information sent by the remote control or there is a button input the single tube cooler doesnt receive the remote control ON signa...

Страница 34: ...tism heating and air supply do not have drying function When you start the drying function after stop the machine by pressing the switch button you should keep running the inner fans for 10 minutes un...

Страница 35: ...l 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...

Страница 36: ...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 5 Ewpe Smart App O...

Страница 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 a...

Страница 38: ...ere there may be leaked corrosive gas or flammable gas If there leaked gas around the unit it may cause explosion and other accidents 7 Do not use extension cords for electrical connections If the ele...

Страница 39: ...ea The naked flame is prohibited in the maintenance area and the no smoking warning board should be hanged Check whether the appliance mark is in good condition Replace the vague or damaged warning ma...

Страница 40: ...ng 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 T...

Страница 41: ...5cm At least 50cm At least 50cm At least 30cm At least 300cm At least 200cm Space to the floor Space to the obstruction Space to the obstruction Space to the obstruction Space to the ceiling Space to...

Страница 42: ...pipes and hang the indoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test op...

Страница 43: ...nal 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 g...

Страница 44: ...he 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...

Страница 45: ...1 Bind up the connection pipe power cord and drain hose with the band As show in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a ce...

Страница 46: ...to the wiring terminal according to the color fix the power connection wire with screws As show in Fig 23 6 Neaten the Pipes 1 The pipes should be placed along the wall bent reasonably and hidden poss...

Страница 47: ...ricity The water outlet can t be placed in water 1 Use Vacuum Pump 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 pie...

Страница 48: ...wer Check power supply circuit Power plug is not well plugged in and poor connection Check if the plug is properly plugged in and make the loose contact firm Fuse of controller burnt out The air condi...

Страница 49: ...t heat insulation for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex changer Clean the dust accumu...

Страница 50: ...t heat insulation for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex changer Clean the dust accumu...

Страница 51: ...sor Drainage pipe blocked or broken Change drainage pipe Re wrap and make it tight Wrap of refrigerant pipe joint is not close enough Water leakage Change controller Wire loose or wrong connection In...

Страница 52: ...link 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...

Страница 53: ...nsor is open short circuited F3 OFF 3S and blink 3 times During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation O...

Страница 54: ...sed 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 pan...

Страница 55: ...ensor 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 c...

Страница 56: ...motor feedback terminal 2 Bad contact of DC motor 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 a...

Страница 57: ...mplete 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 s...

Страница 58: ...sting OFF 3S and blink once during blinking ON 10s and OFF 0 5s Defrosting will occur in heating mode Compressor will operate while indoor fan will stop operation Its the normal state U8 JF Flash 17 t...

Страница 59: ...56 Installation and Maintenance Service Manual...

Страница 60: ...Possible causes insufficient or too much refrigrant blockage of capillary and increase of suction temp improper running of compressor burning in or stuck of bearing damage of discharge valve malfuncti...

Страница 61: ...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...

Страница 62: ...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 ye...

Страница 63: ...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 sam...

Страница 64: ...le the capacitordischarges slowly Malfunction diagnosis process Troubleshooting for U8 malfunction Turn power off for 1minute the turn back on U8 is still displayed The unit returns to normal Conclusi...

Страница 65: ...anual 5 Malfunction of detecting plate WIFI JF Start Is malfunction eliminated The end check if the connection wire are correctly connected Replace the detecting plate with the same model Replace the...

Страница 66: ...diagnosis process Troubleshooting for F1 F2 malfunction Is the wiring terminal between the temperature sensor andthe controller loosened or poorly contacted Insert the temperature sensor tightly yes...

Страница 67: ...wires of compressor according to the electric wiring diagram and then turn on the unit Check the connection between the control board and the compressor by referring to the electric wiring diagram Che...

Страница 68: ...gh temperature protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protec...

Страница 69: ...for compressor stopping enough Fault diagnosis process Y N Y N N Y Y N Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the w...

Страница 70: ...wires for the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control panel AP1 If the fault is elimin...

Страница 71: ...cess 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins clo...

Страница 72: ...ny damage or short circuit Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated Remove the PFC capacitor and measure resistance between the two terminals Is the resi...

Страница 73: ...pment operate normally before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit of t...

Страница 74: ...Filth blockage ice plug greasy blockage the cut off valve hasn t been opened completely Is the compressor running abnormally Is there abnormal sound or oil leakage is the temperature of the shell too...

Страница 75: ...72 Installation and Maintenance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit 34 The component picture is only for reference please refer to the actual product...

Страница 76: ...1114001603 1 14 Evaporator Assy 0110010009507 0110010009507 0110010009507 1 15 Wall Mounting Frame 01252043 01252043 01252043 1 16 Cross Flow Fan 10352059 10352059 10352059 1 17 Fan Motor 150120874 15...

Страница 77: ...14001603 1 14 Evaporator Assy 0110010009507 0110010009508 0110010009507 1 15 Wall Mounting Frame 01252043 01252043 01252043 1 16 Cross Flow Fan 10352059 10352059 10352059 1 17 Fan Motor 150120874 1501...

Страница 78: ...14001603 1 14 Evaporator Assy 0110010009507 0110010009507 0110010009508 1 15 Wall Mounting Frame 01252043 01252043 01252043 1 16 Cross Flow Fan 10352059 10352059 10352059 1 17 Fan Motor 150120874 1501...

Страница 79: ...4001603 1 14 Evaporator Assy 0110010009507 0110010009508 0110010009507 1 15 Wall Mounting Frame 01252043 01252043 01252043 1 16 Cross Flow Fan 10352059 10352059 10352059 1 17 Fan Motor 150120874 15012...

Страница 80: ...ma Generator 1114001603 1 14 Evaporator Assy 0110010009508 0110010009507 1 15 Wall Mounting Frame 01252043 01252043 1 16 Cross Flow Fan 10352059 10352059 1 17 Fan Motor 150120874 150120874 1 18 Connec...

Страница 81: ...78 Installation and Maintenance Service Manual 10 2 Outdoor Unit The component picture is only for reference please refer to the actual product 26...

Страница 82: ...Gasket 76710287 3 10 4 Way Valve Assy 030152000016 1 11 Big Handle 2623343106 1 12 Cut off Valve 1 4 07130239 1 13 Cut off Valve 3 8 071302391 1 14 Valve Support 0171314201P 1 15 Front Grill 22413044...

Страница 83: ...r Procedure Step 1 Remove filter assembly 2 Remove horizontal louver Front panel Front case Right filter Groove Left filter Open the front panel Push the left filter and right filter until they are se...

Страница 84: ...remove vertical louver Loosen the connection clasps between front case sub assy and bottom case Lift up the front case sub assy and take it out 5 Remove front case sub assy 6 Remove vertical louver F...

Страница 85: ...ounding screw Remove the wiring terminals of motor and stepping motor Remove the electric box assy Twist off the screws that are locking each lead wire and rotate the electric box assy Twist off the s...

Страница 86: ...terminals 2 Pull out the holder for some terminals at first holder is not available for some wiring terminal hold the connector and then pull the terminal circlip soft sheath holder connector Procedu...

Страница 87: ...he screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them Remove the bearing holder sub assy Remove the screw fixing step motor and the...

Страница 88: ...es after turning off all power supplies and discharge the refrigerant completely before removal Procedure Step 1 Remove big handle 2 Remove top cover top cover big handle valve cover Before disassambl...

Страница 89: ...n 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 screws fixing protective grille and then...

Страница 90: ...remove the motor Remove the screws fixing motor support and then remove the motor support Remove the screws fixing clapboard and then remove the clapboard Remove the screws fixing electric box assy c...

Страница 91: ...pressor Remove the screws fixing valve support and then remove the valve support Unsolder the welding joint connecting the valve with capillary and condenser unsolder the welding joint connecting the...

Страница 92: ...nnection pipe For the unit with standard connection pipe of 5m there is no limitation for the min length of connection pipe For the unit with standard connection pipe of 7 5m and 8m the min length of...

Страница 93: ...llowing 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...

Страница 94: ...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 06...

Страница 95: ...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 6...

Страница 96: ...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 2...

Страница 97: ...22218 Fax 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...

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