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Service Manual

11. Removal Procedure

11.1 Removal Procedure of Indoor Unit

Caution: discharge the refrigerant

completely before removal.

Procedure

Steps

1.Remove panel

3.Remove horizontal louver and front case

2.Remove filter

Panel

Filter

Front Case

Electric Box Cover2

Horizontal Louver

Open the front panel.Push the rotor shaft

on both sides of the panel to make it

separate from the groove .Remove the

panel.

Loosen the clasp of the filter.Push the

filter inward and then draw it upward to

remove it.

Remove axial sleeve of horizontal louver.

Bend the louver outwards and then

remove the louver.

Loosen the screws of the electric box

cover2 with screwdriver.Remove the

electric box cover2.

Open the screw cap on the front case.

Remove the screws fixing the front case.

Loosen the six clasps of the front case.

Remove the front case.

Installation and Maintenance

Содержание GWH09MB-K3DNE3G

Страница 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Change for Life Service Manual GWH09MB K3DNE3G GWH12MB K3DNE3G Model Refrigerant R410A...

Страница 2: ...7 5 Electrical Part 8 5 1 Wiring Diagram 8 5 2 PCB Printed Diagram 10 6 Function and Control 12 6 1 Remote Controller Introduction 12 6 2 Brief Description of Modes and Functions 16 Part Installation...

Страница 3: ...iew and Parts List 55 10 1 Indoor Unit 55 10 2 Outdoor Unit 58 11 Removal Procedure 64 11 1 Removal Procedure of Indoor Unit 64 11 2 Removal Procedure of Outdoor Unit 67 Appendix 72 Appendix 1 Referen...

Страница 4: ...1 Technical Information Service Manual 1 Summary Indoor Unit Part Technical Information Remote Controller YT1F MOTO Outdoor Unit GWH09MB K3DNE3G I GWH12MB K3DNE3G I GWH09MB K3DNE3G O GWH12MB K3DNE3G O...

Страница 5: ...MB K3DNE3G I GWH12MB K3DNE3G I Indoor Unit Product Code CB404N03600 CB404N03601 CB404N03500 CB404N03501 Fan Type Cross flow Cross flow Diameter Length DXL mm 92X645 92X645 Fan Motor Cooling Speed SH H...

Страница 6: ...th LXDXW mm 710X19 05X508 695X38 1X506 Fan Motor Speed rpm 900 650 900 650 Output of Fan Motor W 30 30 Fan Motor RLA A 0 15 0 15 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit m3 h 1600 1600 Fa...

Страница 7: ...20 40 60 80 100 120 Condition Indoor DB 20 Indoor air flow Turbo Pipe length 5m Voltage 230V Compressor Speed rps Cooling Heating Current A Current A 50 60 70 80 90 100 110 32 33 34 35 36 37 38 39 40...

Страница 8: ...and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor revolution rps Indoor Outdoor P MPa T1 C T2 C 20 7 6 09K 2 2 2 4 35...

Страница 9: ...Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 3 2 Outdoor Unit 143 80 45 45 55 55 845 542 173 180 275 130 Unit mm 320 776 510 714 257 286 540 6 Technical Information...

Страница 10: ...Gas pipe 3 8 9 52mm Indoor unit Outdoor unit COOLING HEATING Accumlator 4 Way valve COOLING Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Valve Liquid pipe side Gas...

Страница 11: ...fan speed and the swing angle of horizontal lover for this model 8 Technical Information INDOOR UNIT L1 L1 PE PE M1 M2 DISP1DISP2 AP1 DISPLAY 13 BN BROWN BU BLUE BK BLACK YE YELLOW YEGN YELLOW GREEN P...

Страница 12: ...E BU YEGN RD YE BU COMP FAN MOTOR YEGN YEGN YEGN L1 L1 AP2 PE PE M COMP L4 ELECTRIC HEAT2 EH2 HEATER CHASSIS HEAT1 COMP HEATER RD RD EH1 RD RD 4WAY 4YV TEM SENSOR EXHAUST OUTROOM TEM SENSOR CN2 RT3 RT...

Страница 13: ...n 4 Port of neutral wire 5 Port of indoor fan 6 7 Jumper Cap 8 Auto button 9 Feedback of indoor fan 10 Port of motor for vertical swing 11 Port of motor for horizontal swing 12 Buzzer 13 Port of indoo...

Страница 14: ...Outdoor Unit Top view Bottom view 1 2 3 4 5 6 7 1 inductance pin2 2 inductance pin1 3 four wayvalve 4 compressor electricheater 5 chassis electric heater 6 fan neilsbed 7 8 electric expansion valve 9...

Страница 15: ...power the air conditioner will give out a sound Operation indictor is ON red indicator After that you can operate the air conditioner by using remote controller AUTO COOL DRY FAN HEAT 2 3 6 8 11 13 1...

Страница 16: ...troller 16 30 Fan speed auto low speed medium speed high speed 3 or Button Press or button once increase or decrease set temperature 1 Holding or button 2s later set temperature on remote controller w...

Страница 17: ...duct During x fan operation press X FAN button to turn off x fan function Indoor fan will stop operation immediately 9 TEMP Button By pressing this button you can see indoor set temperature indoor amb...

Страница 18: ...s no display please replace batteries Signal sender Battery Cover of battery box Remove Reinstall 1 After putting through the power press ON OFF button on remote controller to turn on the air conditi...

Страница 19: ...cooling If Tamb Tpreset COOL mode will act the compressor and outdoor fan will run and the indoor fan will run at the set speed If Tamb Tpreset 2 the compressor will stop the outdoor fan will delay 3...

Страница 20: ...der 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 h...

Страница 21: ...ect signals for durative 3 minutes communication fault can be justified and the whole system will stop Module protection Under module protection mode the compressor will stop When the compressor remai...

Страница 22: ...ature will not change after decreasing 2 C 2 4 When the initial set temperature is 28 30 C the temperature will decrease 1 C by every hour after sleep function is set the temperature will not change a...

Страница 23: ...ove to L1 If you set the swinging function when you start the machine then the wind blade will swing between L and D The air deflector has 7 swinging states Location L Location A Location B Location C...

Страница 24: ...sor is in off status and the outdoor ambient temperature 5 C c When outdoor ambient temperature sensor is in malfunction status the electric heating band stops operation Condenser electric heating ban...

Страница 25: ...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 26: ...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 27: ...Air outlet side Space to the floor Above Above 15cm Above 15cm Above 30cm Above 50cm Above 50cm Above 30cm Above 200cm Above Above Space to the obstruction Air outlet side Space to the wall Air inlet...

Страница 28: ...or 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 installat...

Страница 29: ...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 wh...

Страница 30: ...of outlet pipe The position of piping hole should be a little lower than the wall mounted frame As show in Fig 1 5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth...

Страница 31: ...ow in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor power and then separate the drain hose As s...

Страница 32: ...cording to the color fix them with screws As show in Fig 23 6 Neaten the Pipes 1 The pipes should be placed along the wall bent reasonably and hidden possibly Min semidiameter of bending the pipe is 1...

Страница 33: ...Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then conne...

Страница 34: ...tion analysis discharge protection overload 5 Overcurrent protection E5 OFF 1S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During he...

Страница 35: ...nboard damaged 14 Outdoor ambient temperature sensor is open short circuited F3 OFF 1S and blink 6 times During cooling and drying operating compressor stops while indoor fan operates During heating o...

Страница 36: ...er than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal...

Страница 37: ...p Refer to the part three charging malfunction analysis of capacitor 29 Malfunction of module temperature sensor circuit P7 During cooling and drying operation compressor will stop while indoor fan wi...

Страница 38: ...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 During cooling and drying opera...

Страница 39: ...Supply voltage is unstable 46 Malfunction of complete units current detection U5 During cooling and drying operation the compressor will stop while indoor fan will operate During heating operating th...

Страница 40: ...or has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Operation Indicator Cool Indicator Heating Indicator Yellow Indicator Red Indicator Green Indicator 53 Normal communica tion 5...

Страница 41: ...ller 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 eli...

Страница 42: ...tor 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 ope...

Страница 43: ...er 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 tight...

Страница 44: ...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 eliminate...

Страница 45: ...e 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...

Страница 46: ...Voltage higher than 200V Malfunction of the outdoor mainboard AP1 Replace outdoor mainboard Measure the voltage input with AC voltmeter see fig 30 Voltage within 180VAC 260VAC Shut down the power and...

Страница 47: ...If the work load of unit is heavy If radiating of unit is good Malfunction diagnosis process N N Y N Y Y Y N N N N N Y Y Y Y Y H5 H7 or P5 is displayed after turning on the unit Measure if the voltage...

Страница 48: ...E8 is displayed If the outdoor ambient temperature is higher than 53 Normal protection please use it after improving the outdoor ambient temperature Unit restarts normally Unit restarts normally If th...

Страница 49: ...cient and the high and low pressure of system is not balanced please start the unit after 3min If the compressor wire COMP UVW is well connected and connection sequence is correct Check the connection...

Страница 50: ...n valve damaged If the refrigerant is leaked The compressor overload protection terminal is not connected well with the mainboard If the overload protector is damaged Heat exchange of unit is not good...

Страница 51: ...rigerant according to the service manual Compressor overload protection terminal is not connected well with the mainboard reconnect them correctly Heat exchange of unit is not good heat exchanger is d...

Страница 52: ...well with the socket Connect the plug correctly Check the connection wire between reactor mainboard and situation of connection If there is short circuit or the connection wire is loose Reconnect the...

Страница 53: ...he unit operates normally before malfunction Check built in wiring of indoor and outdoor unit If the wiring is damaged Replace the wire Check the malfunction type with communication malfunction detect...

Страница 54: ...eter voltage of both sides of R135 The voltage should be variable Test 10 Test the voltage of pin 3 and pin 4 of U132 with universal meter voltage of both sides of R1312 The voltage should be variable...

Страница 55: ...easure voltage at the Test 15 position as shown in the diagram with a voltmeter Value jumping Measure voltage at the Test 11 position as shown in the diagram with a voltmeter Value jumping Measure vol...

Страница 56: ...od 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...

Страница 57: ...n 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 Discriminatin...

Страница 58: ...loded View and Parts List 10 1 Indoor Unit 35 33 34 36 22 21 15 14 13 12 16 40 17 18 19 20 24 25 26 27 28 29 30 31 32 37 38 39 11 10 9 8 7 6 4 5 3 1 23 2 GWH09MB K3DNE3G I GWH12MB K3DNE3G I 55 Install...

Страница 59: ...ing Frame 01252021 01252021 1 19 Evaporator Assy 01002424 01002953 1 20 Evaporator Support 24212091 24212091 1 21 Cold Plasma Generator Sub assy 1114001602 1114001602 1 22 Connecting Cable 4002052317...

Страница 60: ...8 Wall Mounting Frame 01252021 01252021 1 19 Evaporator Assy 01002424 01002953 1 20 Evaporator Support 24212091 24212091 1 21 Cold Plasma Generator Sub assy 22 Connecting Cable 4002052317 4002052317 0...

Страница 61: ...GWH09MB K3DNE3G O CB404W03600 CB404W03601 58 Installation and Maintenance 10 2 Outdoor Unit...

Страница 62: ...Assy 0130317801 1 14 Big Handle 26233433 1 15 Magnet Coil 4300040050 1 16 Magnet Coil 4300876701 1 17 Rear Grill 01473009 1 18 Temperature Sensor 3900030805 1 19 Magnetic Ring 49010109 1 20 Reactor 43...

Страница 63: ...Assy 0130317801 1 14 Big Handle 26233433 1 15 Magnet Coil 4300040050 1 16 Magnet Coil 4300876701 1 17 Rear Grill 01473009 1 18 Temperature Sensor 3900030805 1 19 Magnetic Ring 49010109 1 20 Reactor 43...

Страница 64: ...GWH12MB K3DNE3G O CB404W03500 CB404W03501 61 Installation and Maintenance...

Страница 65: ...ssy 0130317801 1 14 Big Handle 26233433 1 15 Magnet Coil 4300040050 1 16 Magnet Coil 4300876701 1 17 Rear Grill 01473009 1 18 Temperature Sensor 3900030805 1 19 Magnetic Ring 49010109 1 20 Reactor 431...

Страница 66: ...ssy 0130317801 1 14 Big Handle 26233433 1 15 Magnet Coil 4300040050 1 16 Magnet Coil 4300876701 1 17 Rear Grill 01473009 1 18 Temperature Sensor 3900030805 1 19 Magnetic Ring 49010109 1 20 Reactor 431...

Страница 67: ...on both sides of the panel to make it separate from the groove Remove the panel Loosen the clasp of the filter Push the filter inward and then draw it upward to remove it Remove axial sleeve of horizo...

Страница 68: ...int of the earthing wire and evaporator Loosen the clasp at the joint of the electric box cover and the electric box Remove the 2 screws of the display Remove the electric box assy Remove the 3 screws...

Страница 69: ...he motor Remove the screw of the motor press plate and then remove the press plate Remove the screws at the joint of the cross flow blade and the motor Take down the motor Remove the cross flow blade...

Страница 70: ...e 1 connection screw fixing big handleand then removethe big handle Remove 3 connection screws among top cover plate front panel and right sideplate Then remove top cover plate Warning Be sure to wait...

Страница 71: ...ove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel Remove the nut fixing the blade and then remove the axial flow blade Remove conn...

Страница 72: ...ing the 4 way Valve Assy to take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the time Be sure not to burn out...

Страница 73: ...fixing the motor support Lift motor support to re move it 9 Remove motor and motor support Motor Motor support 10 Remove clapboard sub assy Loosen the screws of the Clapboard Sub Assy The Clapboard S...

Страница 74: ...ove the gas valve Note it is necessary to warp the gas valve when unsoldering the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld ing spot connecting liquid valve and remove the...

Страница 75: ...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...

Страница 76: ...irm 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...

Страница 77: ...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 6...

Страница 78: ...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...

Страница 79: ...1 41 63 10 93 102 3 129 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 955 12 306 2 27 45 07 66 9 827 105 2 872 11 289 6 28 43 16 67 9 489 106 2 792 10 274 29 41 34 68 9 165 107...

Страница 80: ...218 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 85...

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