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Service Manual

Models:

Change for life

GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

GWH28AFE-K3NNA1A
GWH28AFE-K3NNA1B
GWH28AFE-K3NNA2A
GWH28AFE-K3NNA2B
GWH28AFE-K3NNA3A
GWH28AFE-K3NNA5A
(Refrigerant

R410A)

Содержание GWH28AFE-K3NNA1A

Страница 1: ...Service Manual Models Change for life GREE ELECTRIC APPLIANCES INC OF ZHUHAI GWH28AFE K3NNA1A GWH28AFE K3NNA1B GWH28AFE K3NNA2A GWH28AFE K3NNA2B GWH28AFE K3NNA3A GWH28AFE K3NNA5A Refrigerant R410A...

Страница 2: ...trol 16 6 1 Remote Controller Introduction 16 6 2 Brief Description of Modes and Functions 19 Part Installation and Maintenance 24 7 Notes for Installation and Maintenance 24 8 Installation 27 8 1 Ins...

Страница 3: ...Removal Procedure 58 11 1 Removal Procedure of Indoor Unit 58 11 2 Removal Procedure of Outdoor Unit 63 Appendix 68 Appendix 1 Reference Sheet of Celsius and Fahrenheit 68 Appendix 2 Configuration of...

Страница 4: ...Outdoor Unit Model Outdoor Unit Product Code Remote Controller 1 GWH28AFE K3NNA1A CA348000200 GWH28AFE K3NNA1A I CA348N00200 GWH28ACE K3NNA5A O CA341W00300 YAW1F 2 GWH28AFE K3NNA1B CA348000901 GWH28AF...

Страница 5: ...00200 CA348N00900 Fan Type Cross flow Cross flow Diameter Length DXL mm 108X830 108X830 Fan Motor Cooling Speed SH H M L SL r min 1330 1200 1000 900 1330 1200 1000 900 Fan Motor Heating Speed SH H M L...

Страница 6: ...0X38 1X660 820X38 1X660 Fan Motor Speed rpm 780 780 Output of Fan Motor W 85 85 Fan Motor RLA A 0 8 0 8 Fan Motor Capacitor F 4 5 4 5 Air Flow Volume of Outdoor Unit m3 h 1800 1800 Fan Type Axial flow...

Страница 7: ...A5A I Product Code of Indoor Unit CA363N00100 CA362N00100 CA362N00101 CA368N00500 Fan Type Cross flow Cross flow Diameter Length DXL mm 108X830 108X830 Fan Motor Cooling Speed SH H M L SL r min 1330 1...

Страница 8: ...Fan Motor Speed rpm 850 Output of Fan Motor W 35 Fan Motor RLA A 0 8 Fan Motor Capacitor F 4 5 Air Flow Volume of Outdoor Unit m3 h 3200 Fan Type Axial flow Fan Diameter mm 520 Defrosting Method Auto...

Страница 9: ...ype GWH28AFE K3NNA2B I Product Code of Indoor Unit CA363N01000 Fan Type Cross flow Diameter Length DXL mm 108X830 Fan Motor Cooling Speed SH H M L SL r min 1330 1200 1000 900 Fan Motor Heating Speed S...

Страница 10: ...Fan Motor Speed rpm 850 Output of Fan Motor W 85 Fan Motor RLA A 0 8 Fan Motor Capacitor F 4 5 Air Flow Volume of Outdoor Unit m3 h 1800 Fan Type Axial flow Fan Diameter mm 520 Defrosting Method Auto...

Страница 11: ...e connecting indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Indoor Outdoor P MPa T1 C T2 C 27 19 35 24 28K 0 9 1 1 in 6...

Страница 12: ...9 Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm 1135 247 328 79 154 43 215 5 234 5 685 70 70 43...

Страница 13: ...10 Technical Information Service Manual 3 2 Outdoor Unit Unit mm Unit mm 364 560 700 396 340 965 897 GWH28ACE K3NNA5A O GWH28AAE K3NNA1A O GWH28AAE K3NNA1C O 965 897 364 560 340 396 700...

Страница 14: ...t Outdoor unit COOLING HEATING 4 Way valve COOLING Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Valve Liquid pipe side Gas pipe side Accumlator Compressor Strainer...

Страница 15: ...Black VT Violet OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 6363247703 GWH28AFE K3NNA1A I GWH28AFE K3NNA2A I GWH28AFE K3NNA3A I CA36...

Страница 16: ...RU 3 35 17 5 8 7 2 5 5 1 8 1 8 1 3 8 1 203 6 5 0 1 1 1 1 225 81 7 7 0 32 5 5 20 11 5 1 203 3 2 1 8 1 0 1 1 8 8 1 203 217 725 1 8 1 3 8 3 02725 3 3 3 1 1 2875220 33 1 8 33 97 9 9 1 97 9 9 3 28778 57 7...

Страница 17: ...n capacitor 6 Neutral wire interface of cold plasma Applicable for some models 7 Neutral wire interface of power supply 8 Interface of indoor fan 9 Live wire interface of cold plasma Applicable for so...

Страница 18: ...sformer 6 Terminal for high pressure protection 7 Terminal for low pressure protection 8 Terminal for outdoor ambient temp sensor 9 Terminal for outdoor pipe temp sensor 10 Terminal for communication...

Страница 19: ...give out a de sound which means the signal has been sent to the air conditioner Under off status set temperature and clock icon will be displayed on the display of remote controller If timer on timer...

Страница 20: ...cters are flashing but you haven t press timer button timer setting status will be quit after 5s If timer is confirmer press this button again to cancel timer Press this button to turn on the unit Pre...

Страница 21: ...when you set H1 mode when you change to heating mode H1 will display 3 times on the remote controller and then disappear Press and buttons simultaneously 3s to lock or unlock the keypad If the remote...

Страница 22: ...or ambient temperature There swill be 30s delayed for protection between mode switchover When Tamb 26 unit will be in cooling mode Ex factory set temperature is 20 Cooling and heating unit When Tamb 1...

Страница 23: ...ated For some models they can only be restated up after re energized Please refer to maintenance part for display information and disposal method for details 3 Drying mode Operation condition and proc...

Страница 24: ...ube is resumed normally the ODU fan motor resumes operation Noise silencing protection When turning off the unit or during mode switchover the 4 way valve is closed In order to decrease noise the 4 wa...

Страница 25: ...at the maximum fan speed 5 Dry function Dry function can be set under cooling and drying modes During operation of drying function the fan will stop operation after operating for a period of time whe...

Страница 26: ...I FEEL command is received the controller will operate according to the ambient temperature sent by the remote controller For defrosting and cold air prevention the unit operates according to the ambi...

Страница 27: ...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 28: ...sure rise or compressor rupture resulting in injury 4 During refrigerant recovery make sure that liquid valve and gas valve are fully closed and power is disconnected before detaching the connection p...

Страница 29: ...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 30: ...nage pipe Space to the wall Space to the obstruction Space to the obstructio Space to the obstruction At least 50cm At least 200cm At least 30cm At least 30cm At least 50cm At least 250cm At least 15c...

Страница 31: ...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 32: ...ble Air switch should be included magnet buckle and heating buckle function it can protect the circuit short and overload Caution please do not use the fuse only for protect the circuit 1 Choosing Ins...

Страница 33: ...the wall slightly downward to the outdoor side with the gradient of 5 10 As show in Fig 2 Note Left Wall 70mm Right Mark in the middle of it Level meter Rear piping hole Wall Space to the wall above 1...

Страница 34: ...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...

Страница 35: ...2 Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe As show in Fig 22 Fig 18 Fig 19 Fig 20 Fig 21 Fig 22 1 After tightening the screw pull the power cord slightly to check...

Страница 36: ...alve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then connect the other charging hose to the vacuum pump 3 Open...

Страница 37: ...rminal of PG motor is not connected tightly 3 Fan blade rotates unsmoothly 4 Malfunction of motor 5 Main board is broken 4 Malfunction protection of jumper cap C5 Operation of remote controller or con...

Страница 38: ...hort circuited 9 Filter and heat exchange fins of indoor outdoor units are blocked 10 The system pipeline is blocked 11 The gas valve and liquid valve for outdoor unit are not completely opened 12 The...

Страница 39: ...emperature sensor detects wrongly 15 Overload protection for compressor H3 The entire unit stops 1 Outdoor and indoor heat exchangers are too dirty or the air inlet outlet is blocked 2 Fan motor doesn...

Страница 40: ...oken 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...

Страница 41: ...he 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...

Страница 42: ...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...

Страница 43: ...harges 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...

Страница 44: ...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 accordi...

Страница 45: ...ble contact Is the malfunction eliminated Is the higher than the acting value of the low pressure switch Add refrigerant Is the malfunction eliminated Test when denergized a closed circuit between the...

Страница 46: ...mode System is abnormal but resist ancev alue of discharge sensor for compressor temperature is abno rmal Replace con trol panel End Check the system Eliminate the block age inside the system Check w...

Страница 47: ...compressor running abnormally Is there abnormal sound or oil leakage is the temperature of the shell too high etc no no no no yes no no Replace the control panel End Normal fluctuation is within 10 of...

Страница 48: ...45 Installation and Maintenance Service Manual 9 Communication malfunction E6 Poor contact any line may lead to communication malfunction...

Страница 49: ...unction is eliminated Malfunction is eliminated Malfunction is eliminated End Compressor doesn t work normally Strange noise or leakage occurs Make compressor run normally Remove blockage in the syste...

Страница 50: ...Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Check motor and re install the motor to make it run normally Make compressor run normally Remov...

Страница 51: ...he air inlet outlet is blocked End Remove blockage in the system System is blocked inside dirt block ice block oil block Y valve no fully open Compressor doesn t work normally Strange noise or leakage...

Страница 52: ...for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 3 Maintenance Method for Normal Malfunction 1 Air Conditioner Can t be Started Up 2...

Страница 53: ...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 54: ...l 10 Exploded View and Parts List 10 1 Indoor Unit The component is only for reference please refer to the actual product 42 41 43 44 15 16 18 17 31 33 35 36 37 39 40 1 2 3 4 5 6 7 8 9 10 11 12 13 14...

Страница 55: ...1 20 Fan Motor 15012145 15012145 15012145 1 21 Connecting pipe clamp 26112514 26112514 26112514 1 22 Drainage Hose 0523001405 0523001405 0523001405 1 23 Stepping Motor 1521240210 1521240210 152124021...

Страница 56: ...or 15012145 15012145 15012145 1 21 Connecting pipe clamp 26112514 26112514 26112514 1 22 Drainage Hose 0523001405 0523001405 0523001405 1 23 Stepping Motor 1521240210 1521240210 1521240210 1 24 Crank...

Страница 57: ...Press Plate 26112515 1 20 Fan Motor 15012145 1 21 Connecting pipe clamp 26112514 1 22 Drainage Hose 0523001405 1 23 Stepping Motor 1521240210 1 24 Crank 73012005 1 25 Guide Louver 200004060018 1 26 Ax...

Страница 58: ...and Maintenance Service Manual The component is only for reference please refer to the actual product 1 2 3 4 6 7 8 9 11 10 5 13 15 17 18 20 14 16 25 26 27 23 28 22 29 24 30 31 12 21 32 19 33 34 35 10...

Страница 59: ...3053 1 14 Condenser Assy 011002000339 011002060292 1 15 4 Way Valve Assy 030152000221 030152060143 1 16 Magnet Coil 4300040047 4300040047 1 17 Clapboard 01245200018 01245200018 1 18 Motor Support Sub...

Страница 60: ...14 Condenser Assy 011002000339 011002000339 1 15 4 Way Valve Assy 030152000221 030152000221 1 16 Magnet Coil 4300040047 4300040047 1 17 Clapboard 01245200018 01245200018 1 18 Motor Support Sub Assy 01...

Страница 61: ...e horizontal louver a b Panel Clasps Left filter and right filer Axile bush Open the panel Loosen the clasp shown in the fig and then pull the left filter and right filer outwards to remove them Push...

Страница 62: ...2 Electric box cover 2 Screw Panel Display Screws Front panel Panel rotation Groove 3 Remove panel 4 Remove electric box cover 2 5 Remove front case sub assy Front case sub assy Front case sub assy Mi...

Страница 63: ...he power cord Remove the wiring terminal of power cord Lift up the main board and take it off Electric box Cold plasma generator Grounding screw Indoor tube temperature sensor Electric box assy Main b...

Страница 64: ...move the connection pipe clamp First remove the left side of evaporator from the groove of bottom shell and then remove the right side from the clasp on the bottom shell Remove 3 screws fixing evapora...

Страница 65: ...lade and motor lift the motor and cross flow blade upwards to remove them 8 Remove motor and cross flow blade Motor clasp Screws Remove 3 screws fixing motor clamp and then remove the motor clamp a Cl...

Страница 66: ...right side plate and then remove the valve cover a 1 Remove big handle valve cover and top cover Remove the screws connecting the top cover with cabinet right side plate and left side plate lift the t...

Страница 67: ...n plate and chassis lift the outer case upwards loosen the clasps of outer case with right side plate and left side plate and then remove the outer case a b 2 Remove grille and cabinet screw grille sc...

Страница 68: ...stopper to remove the motor support motor support chassis stopper 5 Remove motor support sub assy and motor Remove the 6 screws fixing the motor and then remove the motor screw screw motor 6 Remove e...

Страница 69: ...as valve Unsolder the welding joint connecting the valve with capillary and condenser unsolder the welding joint connecting the gas valve and air return pipe remove the 2 bolts fixing the gas valve to...

Страница 70: ...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 th...

Страница 71: ...d Celsius degree Tf Tcx1 8 32 Ambient temperature Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius...

Страница 72: ...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 73: ...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 74: ...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 75: ...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 76: ...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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