HUMMER GWHN07EANK3AA GWHN09EANK3AA
GWHN07EANK3A2A GWHN09EANK3A2A
HUMMER GWHN2EBNK3AA/I GWHN2EBNK3A2A/I GWHN2EBNK3AA GWHN2EBNK3A2A
HUMMER Model Remarks
2 Model Function Rated Voltage Rated Frequency Total Capacity (W) Power Input (W) Rated Input (W) Rated Current (A) Air Flow Volume (m 3 /h) Dehumidifying Volume (l/h) C.O.P / EER (W/W) Indoor unit Model of Indoor Unit Fan Motor Speed (r/min) (H/M/L) Output of Fan Motor (w) Input of Heater (w) Fan Motor Capacitor (uf) Fan Motor RLA(A) Fan Type-Piece Diameter-Length (mm) Evaporator Pipe Diameter (mm) Row-Fin Gap(mm) Coil length (l) x height (H) x coil width (L) Swing Motor Model Output of Swing Motor (W) Fuse (A) Sound Pressure Level db (A) (H/M/L) Sound Power Level db (A) (H/M/L)*** Dimension (W/H/D)( mm) Dimension of Package (L/W/H)( mm) GWHN07EANK3AA OR GWHN09EANK3AA OR GWHN07EANK3A2A GWHN09EANK3A2A COOLING HEATING COOLING HEATING 220-240V 220-240V 50Hz 50Hz 236W(7900Btu/h) 2500W(8500Btu/h) 2637W(9000Btu/h) 2785W(9500Btu/h) 820 775 930 865 260 00 300 300 6.4 5.6 6.6 6.6 420/-/-/- 420/-/-/- 0.8 0.8 2.82/3.23 2.84/3.22 GWHN07EANK3AA/I (OR GWHN09EANK3AA/I (OR GWHN07EANK3A2A/I) GWHN09EANK3A2A/I) 060/960/860/760 8 / 0.2 Cross flow fan 97*538 Aluminum fin-copper tube 7 2-.5 559*25.4*228.6 MP24BA.5 PCB 3.5A 38/35/32/28 48/45/42/38 70X250X80 755X260X35 060/960/860/760 8 / 0.2 Cross flow fan 97*538 Aluminum fin-copper tube 7 2-.5 559*25.4*228.6 MP24BA.5 PCB 3.5A 38/35/32/28 48/45/42/38 70X250X80 755X260X35
HUMMER Model of Outdoor Unit Compressor Model Compressor Type L.R.A. (A) Compressor RLA(A) Compressor Power Input(W) Overload Protector GWHN07EANK3AA/O GWHN09EANK3AA/O QXA-B02uC30 QXA-B06uC30 Rotory Rotory 20 20 4 4 858 890 B20-50-24H B65-50-24H Outdoor unit Connecti on Pipe Throttling Method Starting Method Working Temp Range () Condenser Pipe Diameter (mm) Rows-Fin Gap(mm) Coil length (l) x height (H) x coil width (L) Fan Motor Speed (rpm) (H/M/L)** Output of Fan Motor (W) Fan Motor RLA(A) Fan Motor Capacitor (uf) Air Flow Volume of Outdoor Unit Fan Type-Piece Fan Diameter (mm) Defrosting Method Climate Type Capillary Capillary Capacitor Capacitor -5-5 Aluminum fin-copper tube Aluminum fin-copper tube 7 9.52 -.4 -.4 720*400.5*2.7 638*406*22 950 950 20 20 0.35 0.35.5.5 200 200 Axial fan Axial fan 324 324 Auto defrost Auto defrost T T I I IP24 IP24 Isolation Moisture Protection Permissible Excessive Operating Pressure for the Discharge 3.8 3.8 Side(MPa) Permissible Excessive Operating Pressure for the Suction.2.2 Side(MPa) Sound Pressure Level db (A) (H/M/L) 50 50 Sound Power Level db (A) (H/M/L) 60 60 Dimension (W/H/D)( mm) 720X430X260 720X430X260 Dimension of Package (L/W/H)( mm) 765X350X490 765X350X490 Net Weight /Gross Weight (kg) 25/29 25/29 Refrigerant Charge (kg) R40a/0.53 R40a/0.7 Length (m) 4 4 Outer Diameter Max Distance Liquid Pipe (mm) Height (m) 6(/4 ) 5 6(/4 ) 5 Gas Pipe (mm) Length (m) 9.52(3/8 ) 0 2(/2 ) 0 The above data is subject to change without notice. Please refer to the nameplate of the unit.
Model Function Rated Voltage Rated Frequency Total Capacity (W) Power Input (W) Rated Input (W) Rated Current (A) Air Flow Volume (m 3 /h) Dehumidifying Volume (l/h) C.O.P / EER (W/W) Model of Indoor Unit GWHN2EBNK3AA OR GWHN2EBNK3A2A COOLING 3224W(000Btu/h) 30 500 7.6 220-240V 50Hz 520 2.85/3.22 HEATING 3575W(2200Btu/h) 0 400 7. GWHN2EBNK3AA/I (OR GWHN2EBNK3A2A/I) Indoor unit Fan Motor Speed (r/min) (H/M/L) Output of Fan Motor (w) Input of Heater (w) Fan Motor Capacitor (uf) Fan Motor RLA(A) Fan Type-Piece Diameter-Length (mm) Evaporator Pipe Diameter (mm) Row-Fin Gap(mm) Coil length (l) x height (H) x coil width (L) Swing Motor Model Output of Swing Motor (W) Fuse (A) Sound Pressure Level db (A) (H/M/L) Sound Power Level db (A) (H/M/L)*** Dimension (W/H/D)( mm) Dimension of Package (L/W/H)( mm) Net Weight /Gross Weight (kg) 200/00/980/880 20 / 0.28 Cross flow fan 97*583 Aluminum fin-copper tube 7 2-.4 606*25.4*228.6 MP24BA.5 PCB 3.5A 40/38/35/3 50/48/45/4 770X250X80 80X278X320 8.5/2
HUMMER Outdoor unit Connecti on Pipe Model of Outdoor Unit Compressor Model Compressor Type L.R.A. (A) Compressor RLA(A) Compressor Power Input(W) Overload Protector Throttling Method Starting Method Working Temp Range () Condenser Pipe Diameter (mm) Rows-Fin Gap(mm) Coil length (l) x height (H) x coil width (L) Fan Motor Speed (rpm) (H/M/L)** Output of Fan Motor (W) Fan Motor RLA(A) Fan Motor Capacitor (uf) Air Flow Volume of Outdoor Unit Fan Type-Piece Fan Diameter (mm) Defrosting Method Climate Type Isolation Moisture Protection Permissible Excessive Operating Pressure for the Discharge Side(MPa) Permissible Excessive Operating Pressure for the Suction Side(MPa) Sound Pressure Level db (A) (H/M/L) Sound Power Level db (A) (H/M/L) Dimension (W/H/D)( mm) Dimension of Package (L/W/H)( mm) Net Weight /Gross Weight (kg) Refrigerant Charge (kg) Length (m) Liquid Pipe (mm) Outer Diameter Gas Pipe (mm) Height (m) Max Distance Length (m) GWHN2EBNK3AA/O C-RV33HC Rotory 28 5.2 00 B230-50-24H Capillary Capacitor -5~46 Aluminum fin-copper tube 8 -.4 743*506*9.05 830 25 0.35 2.5 700 Axial fan 400 Auto defrost T I IP24 3.8.2 52 62 848X540X320 878X590X360 35/40 R40a/0.82 4 6(/4 ) 9.52(3/8 ) 5 0 The above data is subject to change without notice. Please refer to the nameplate of the unit.
Model Function Rated Voltage Rated Frequency Total Capacity (W) Power Input (W) Rated Input (W) Rated Current (A) Air Flow Volume (m 3 /h) Dehumidifying Volume (l/h) C.O.P / EER (W/W) Indoor unit Model of Indoor Unit Fan Motor Speed (r/min) (H/M/L) Output of Fan Motor (w) Input of Heater (w) Fan Motor Capacitor (uf) Fan Motor RLA(A) Fan Type-Piece Diameter-Length (mm) Evaporator Pipe Diameter (mm) Row-Fin Gap(mm) Coil length (l) x height (H) x coil width (L) Swing Motor Model Output of Swing Motor (W) Fuse (A) Sound Pressure Level db (A) (H/M/L) Sound Power Level db (A) (H/M/L)*** Dimension (W/D/H)( mm) Dimension of Package (W/D/H)( mm) Net Weight /Gross Weight (kg) COOLING GWHN8EDNK3A2A HEATING 220-240V 50Hz 4500 4800 600 594 950 2000 8.47 8.69 580/500/420.8 2.8/ 3.0 GWHN8EDNK3A2A/I 250/080/920 20 ---- uf 0.2 Cross flow fan 92 X 66 Aluminum fin-copper tube 7 2-.4 68X324X25.4 MP24BA 2 PCB 3.5A Transformer 0.2A 43/39/33 53/49/43 830X285X205 895 X 370 X 285 /4
HUMMER Outdoor unit Connecti on Pipe Model of Outdoor Unit Compressor Model Compressor Type L.R.A. (A) Compressor RLA(A) Compressor Power Input(W) Overload Protector Throttling Method Starting Method Working Temp Range () Condenser Pipe Diameter (mm) Rows-Fin Gap(mm) Coil length (l) x height (H) x coil width (L) Fan Motor Speed (rpm) (H/M/L)** Output of Fan Motor (W) Fan Motor RLA(A) Fan Motor Capacitor (uf) Air Flow Volume of Outdoor Unit Fan Type-Piece Fan Diameter (mm) Defrosting Method Climate Type Isolation Moisture Protection Permissible Excessive Operating Pressure for the Discharge Side(MPa) Permissible Excessive Operating Pressure for the Suction Side(MPa) Sound Pressure Level db (A) (H/M/L) Sound Power Level db (A) (H/M/L) Dimension (W/D/H)( mm) Dimension of Package (W/D/H)( mm) Net Weight /Gross Weight (kg) Refrigerant Charge (kg) Length (m) Outer Diameter Max Distance Liquid Pipe (mm) Gas Pipe (mm) Height (m) Length (m) GWHN8EDNK3A2A/O C-RV90HA Hermetic motor compressor 3 7.56 555 B280-45-4E Capillary Capacitor -7T43 Aluminum fin-copper tube 7.94 -.4 798X660X9.05 860 48 0.4 3.5uF 2000 Axial fan 473 Auto defrost T I IP24 3.8.2 55 65 93X680X378 994X720X428 46/50 R40A/.05 4 6(/4 ) 2(/2 ) 5 0 The above data is subject to change without notice. Please refer to the nameplate of the unit.
Model Function Rated Voltage Rated Frequency Total Capacity (W) Power Input (W) Rated Input (W) Rated Current (A) Air Flow Volume (m 3 /h) Dehumidifying Volume (l/h) C.O.P / EER (W/W) Indoor unit Model of Indoor Unit Fan Motor Speed (r/min) (H/M/L) Output of Fan Motor (w) Input of Heater (w) Fan Motor Capacitor (uf) Fan Motor RLA(A) Fan Type-Piece Diameter-Length (mm) Evaporator Pipe Diameter (mm) Row-Fin Gap(mm) Coil length (l) x height (H) x coil width (L) Swing Motor Model Output of Swing Motor (W) Fuse (A) Sound Pressure Level db (A) (H/M/L) Sound Power Level db (A) (H/M/L)*** Dimension (W/D/H)( mm) Dimension of Package (W/D/H)( mm) Net Weight /Gross Weight (kg) COOLING GWHN24ECNK3A2A HEATING 220-240V~ 50Hz 6400 6800 2270 2260 3300 3200 4.3 3.9 830/670/620 4 2.82 GWHN24ECNK3A2A/I 200/050/950 20 / 0.4 Cross flow fan 96 X 797 Aluminum fin-copper tube 7 2.5-.6 785X340.5X25.4 MP35XX 2.5 PCB 3.5A Transformer 0.2A 48/45/42/39 58/55/52/49 020X228X30 078X390X325 5/20
HUMMER Outdoor unit Connecti on Pipe Model of Outdoor Unit Compressor Model Compressor Type L.R.A. (A) Compressor RLA(A) Compressor Power Input(W) Overload Protector Throttling Method Starting Method Working Temp Range () Condenser Pipe Diameter (mm) Rows-Fin Gap(mm) Coil length (l) x height (H) x coil width (L) Fan Motor Speed (rpm) (H/M/L)** Output of Fan Motor (W) Fan Motor RLA(A) Fan Motor Capacitor (uf) Air Flow Volume of Outdoor Unit Fan Type-Piece Fan Diameter (mm) Defrosting Method Climate Type Isolation Moisture Protection Permissible Excessive Operating Pressure for the Discharge Side(MPa) Permissible Excessive Operating Pressure for the Suction Side(MPa) Sound Pressure Level db (A) (H/M/L) Sound Power Level db (A) (H/M/L) Dimension (W/D/H)( mm) Dimension of Package (W/D/H)( mm) Net Weight /Gross Weight (kg) Refrigerant Charge (kg) Length (m) Outer Diameter Max Distance Liquid Pipe (mm) Gas Pipe (mm) Height (m) Length (m) GWHN24ECNK3A2A/O ASH275CV-C8LU rotary compressor 60 0.7 2295 Capillary Capacitor -7T43 Aluminum fin-copper tube 7 2-.4 804X660X3.75 780 68.2 2.5 3400m 3 /h Axial fan 472 Auto defrost T I IP24 3.8.2 56 66 950X42X700 00/450/755 59/64 R40/.7 4 9.52 6 5 0 The above data is subject to change without notice. Please refer to the nameplate of the unit.
HUMMER 3 Indoor Unit Air inlet Front Panel Filter Air outlet Outdoor Unit Air inlet Air outlet
4 Overall and Installing Dimension of Indoor Unit Air inlet grill Left Tube-exit Sign Top View Right Tube-exit Sign Rear View Ceiling Model W(mm) H(mm) D(mm) 7K9K 70 250 80 2K 770 250 80
HUMMER Air inlet grill Left Tube-exit Sign Top View Right Tube-exit Sign Rear View Ceiling Model W(mm) H(mm) D(mm) 7K9K 70 250 80 2K 770 250 80 8K 830 285 205 24K 020 30 228
Overall and Installing Dimension of Outdoor Unit 320 over over over over Bolt Nut Wrench
HUMMER Handle over over over over Bolt Nut Wrench
Unit over over over over Bolt Nut Wrench
HUMMER Unit Nut Bolt Wrench
5 HUMMER
6 Manual of functions of remote controller and operation method Manual of functions of remote controller for 9K,2K units 6.. Temperature parameter The room setting temperature(tpreset) The room ambient temperature (Tamb) 6..2Basic Functions Once energized, the compressor should in no way be restarted unless after 3-minute time interval at least. For the first energization, the compressor will be started without 3-minute lag. The compressor, once started,will not be stopped within 6 minutes with the change of room temperature. Cooling Mode Cooling Conditions and Process When T amb.t preset +, the unit will run under cooling mode, in which case the compressor and outdoor fan will start and the indoor fan will run at setting speed. When T amb.t preset -, the compressor and the outdoor fan will stop, the indoor fan will run at setting speed. When T preset - <T amb.< T preset +, the unit will maintain its original operating status. Under this mode, the switch valve will not be powered on, and the setting temperature range is6 ~30. T preset + T preset - T amb 6 min. 3 min. 6 min. Start cooling Original operating status Stop cooling 6..2..3 Protection Antifreeze Protection Compressor Outdoor fan Indoor fan Run Preset speed If it is detected that the system is under antifreeze protection, the compressor and outdoor fan will be stopped, and the indoor fan will run at setting speed. When antifreeze protection is released and the compressor has stopped for 3 minutes, the unit will resume its original operating status. During antifreeze protection Stop Compressor Outdoor fan Indoor fan 3 min. Preset speed 6..2.2 DRY Modes Run Stop 6..2.2. The conditions and process of DRY When T amb. > Tpreset+2, the unit will run under DRY cooling mode, in which case the compressor and outdoor fan will be started and the indoor fan will run at low speed. When T preset -2T amb.t preset +2, the unit will run under DRY mode, in which case the indoor fan will keep run at low speed, the compressor and the outdoor fan will be stopped after 6 minutes. After 4 minutes,the compressor and the outdoor fan will be restarted. The dehumidifying process is so repeated in cycle. When T amb.< T preset-2, the compressor and outdoor fan will be stopped, the indoor fan will run at low speed.. Under this mode, the switchover valve will not be powered on, and the setting temperature range is6 ~30.
T preset +2 T preset -2 T amb 6 min. 6 min. 4 min. 4 min. Cooling Dry Stop Compressor Outdoor fan Indoor fan low speed Run Stop 6..2.2.3 Protection Antifreeze Protection Upon meeting the cooling condition, if it is detected that the system is under antifreeze protection, the compressor and outdoor fan will be stopped,and the indoor fan will run at low speed. When antifreeze protection is released and the compressor has stopped for 3 minutes, the complete unit will resume its original operating status. Upon meeting the dehumidify condition, if it is detected that the system is under antifreeze protection, the com -pressor and outdoor fan will be stopped,and the indoor fan will run at low speed. When antifreeze protection is released and the compressor has stopped for 4 minutes, the complete unit will resume its original operating status. 6..2.3 HEAT Mode (there is no this mode for cooling only unit) 6..2.3.The conditions and process of heating When Tamb Tset +2,the system enters heating running, in this case, the reversal valve, compressor, outer fan enter simultaneously running.the indoor fan will delay at most for 2min to run. When Tamb Tset +4,the compressor and outdoor fan will stop, but the reversal valve is still with power on, the indoor unit will run at setting fan speed for 60s then will stop. When Tset +2 <Tamb < Tset +4,the unit will maintain its original operating status. Under this mode, the switchover valve will be powered on, and the setting temperature range is6 ~30. Tset Tset Tamb. 6Min. 3Min. 6Min. Stop heating Original running state Start heating Compressor Outer fan Inner fan 2Min. Setting fan speed 2Min. Setting fan speed Reversal valve 6..2.3.3 Conditions and processes of defrost Running Stop This unit adopt intelligent defrosting,it can defrost according to the frosting conditions,dual 8 display H 6..2.3.4 Protection High Temp. Protection If it is detected that the evaporator tube temperature is too high, the outdoor fan will be stopped. When the tube temperature resumes to normal, the outdoor fan will be restarted. Noise Silencing Protection: If the unit is stopped by pressing ON/OFF, the reversal valve will be stopped after 2-minute lag; or 2 minutes will be delayed upon mode switching. 6..2.4 Fan mode Under FAN mode, only the indoor fan runs at setting speed. Compressor and outdoor fan motor stop running. 6..2.5 Auto Mode Under this mode, the system will automatically select its run mode (cool, dehumidify, heat or fan) with the change of ambient temperature. For protection function, same as under cooling and heating mode.
3.Other controls. Memory function Memory contents: Mode, up and down swing, Light, Setting temp., Setting fan speed, Ordinary setting Fahrenheit/Centigrade, after powered off, and powered on, it will run at the memory contents. If no timer setting function in last remote control order, the system will memorize the last remote control order, the system will memorize the last remote control order and work with last remote control setting. In the last remote control order, there is ordinary timer function, if power off happen beffore the timer arrived, the system will memorize the last remote control timer function, and will recalculate. If there is timer function in last remote control order, but timer has arrive, system will run at timer on or timer off and power off, after repowered on, the system will run at the mode before power off. Timer function.ordinary Timer setting: Timer on: Under unit off, the timer on function could be set up, if timer on has arrived, controller will run at setting mode, the timer interval is 0.5hr, setting range is 0.5-24hrs. Timer off: Under unit off, the timer off function could be set up, if timer off has arrived, controller will run at setting mode, the timer interval is 0.5hr, setting range is 0.5-24hrs. Timer setting for hour: Timer on: if system is running, to set timer on, the system will continue to run, if unit is off to set up timer on, when timer on has arrived, the system will run at pressetting mode. Timer off: If system is off to set up the timer off, when to set up timer off, the unit will stand by, when unit is on, to set up timer off, when the timer off arrived, the system will stop to work. Timer setting change: When system is in Timer status, can set up timer on and timer off by wireless remote control, to reset up Timer also, the system will run at last setting status. When system is running, at the same time to set up Timer on and Timer off, the system will keep the present setting status, when time arrived, system will stop to work. When system stop, at the same time to set up Timer on and Timer off, the system will stop, untile the timer arrived, the system will start to work. Hereafter, when timer of timer on in every day arrived, it will run the presetting modes, after timer off arrived, the system will stop. (3) Auto button After powered on, press this button, it will run at Auto mode, when repressed, the unit will turns off. (4) Buzzer The controller is powered on and detect the signal received, the buzzer will beep. (5) Sleep function Under cooling or dehumidifying mode, the preset temperature will automatically rise by, ine hour after setting of sleep program and rise by after 2hours. Under heating mode, the preset temperature will automatically decrease by program and decrease by another after 2hours. one hour after setting of sleep
(6) Turbo function The turbo function is available in Cool and Heat modes. (7) Dry function Dry function is available in Cool and Dehumidifying modes. (8) Auto fan speed control In this mode, indoor fan can run with Hig, Mid, Low speeds. (9) Up and down swing control After powered on, the lower swing motor will firstly rotate the guide louver to position 0, close up the air outlet vent; After unit turned on, if to set up swing function, when indoor fan stop running, the guide louver will stop at current position, inner fan motor is running, guide louver will resume to swing.from Cool, Dry, Fan modes to Heat mode, the guide louver will be opened at C position, when turn on swing will run at (A-D); from Heat mode to Cool, Dry, Fan mode, the fan louver will turn to B position, if turn on the swing, it will run at (A-D). (0) Displayer Running figure and mode figure display After powered on, the figure will be displayed, then only Power/running indicator turn on. When using remote conroller to open the unit, it will turn on, at the same time to display current setting running modes. Dual 8 display When the unit is turned on, after powered on, the nixie tube will display the setting temp.(setting range is 6-30 ). Under Auto mode, cooling and fan will display 25, heating will display 20, cooling only control display 25. LCD Display When cooling and dehumidifying, the Cool and indicator will turn on, when heating, the Heat and Run indicator will turn on, when in fan mode, the indicator will turn on. () PG motor lock protection When turn on the fan motor, if motor continuously run for a while and the running speed is very slow, in order to prevent motor automatically self-protection, it will stop running and display lock; If currently turns unit on, that dual 8 will display lock error code H6; If current is unit off, will not display the block error information.
When the unit is turned on, after powered on, the nixie tube will display the setting temp.(setting range is 6-30 ). When the preset temperature display signal has been received, the nixie tube will display the preset temperature; If the display ambient temperature signal has been received, the nixie tube will display the current indoor ambient temperature, if to set up others by remote controller that the display will maintain its status. At displaying ambient temperature, the unit received the remote control signal, it will display 5s preset temperature then turn to ambient temperature display. The ambient temperature sensor malfunction will display F; Indoor tube sensor will display F2, wire jumper cap protection displays C5.
7 Disassembly Procedures of Indoor Unit Operating Procedures / Photos Disassemble Front Panel Front Panel Pull open the front panel,lossen the clasp fixing on the front panel,then pull out the front panel Disassemble Filter Push the filter inward, and then pull it upward to remove it. Unscrew the screw fixing the top cover of electric box to remove the top cover. Filter Screw Cover of electric box Disassemble Guide Louver Manually bend the guide louver to loose the clasp at the guide louver. Remove the guide louver. Guide Louver Clasp
HUMMER Operating Procedures / Photos Clasp Disassemble Front Case Open the three screw covers at the front case, unscrew the three screws, pull open the clasp at the front case, and remove the front case. Screw Screw cover Front case Disassemble Electric Box Cover and indicator light panel Hold the electric box cover to press it inward so indicator light panel that the clasps on top loose and remove the electric box cover. Loosen one screw fising on the indicator light panel, Screw then pull out it. Electric Box Cover Clasp Disassemble Electric Box Remove the grounding wire of the evaporator. Remove the tube sensor. Disconnect the connecting cable of the indoor motor, use screwdriver to remove the screw fixing the electric box, and pull open the clasp at the side of the board of the indicator light. Take out the electric box. Grounding wire Screw
HUMMER Operating Procedures / Photos 7.Disassemble Water Tray Pull open the holding clasp on the left side of the water tray, disconnect the terminal of the stepping motor, lift and pull out the drainage pipe, and remove the water tray. Terminal Water Tray Clasp 8. Disassemble Evaporator Unscrew the screw to remove the rear pipe clamp. Remove the left and right screws at the evaporator, manually move the evaporator to loosen the clasp of its side plate from the groove. Carefully take out the evaporator and pay attention to protect the connecting pipe. Rear pipe clamp Screw Evaporator Screw
Operating Procedures / Photos Evaporator Screw 9.Disassemble Motor Unscrew the three screws fixing the motor clamp, and remove the motor clamp. Motor Clamp Loosen the holding nut at the shaft sleeve on the right side of the cross flow fan. Slightly lift and then pull out the motor. Screw Holding Screw Motor
Disassembly Procedures of Indoor Unit Operating Procedures / Photos.Disassemble Front Panel Pull open the front panel, take out the display window, then pull out the front panel along the groove (at the front case) fixing the front panel. Front Panel display window 2.Disassemble Filter Push the filter inward, and then pull it upward to remove it. Unscrew the screw fixing the top cover of electric box to remove the top cover. Filter 3.Disassemble Guide Louver Manually bend the guide louver to loose the clasp at the guide louver. Remove the guide louver. Guide Louver Clasp
Operating Procedures / Photos Clasp 4.Disassemble Front Case Open the three screw covers at the front case, unscrew the three screws, pull open the clasp at the front case, and remove the front case. Screw Screw cover Front case 5.Disassemble Electric Box Cover Hold the electric box cover to press it inward so that the clasps on top loose and remove the electric box cover. Electric Box Cover Clasp 6.Disassemble Electric Box Remove the grounding wire of the evaporator. Remove the tube sensor. Disconnect the connecting cable of the indoor motor, use screwdriver to remove the screw fixing the electric box, and pull open the clasp at the side of the board of the indicator light. Take out the electric box. Grounding wire Screw
HUMMER Operating Procedures / Photos Disassemble Water Tray Pull open the holding clasp on the left side of the water tray, disconnect the terminal of the stepping motor, lift and pull out the drainage pipe, and remove the water tray. Terminal Water Tray Clasp 8. Disassemble Evaporator Unscrew the screw to remove the rear pipe clamp. Remove the left and right screws at the evaporator, manually move the evaporator to loosen the clasp of its side plate from the groove. Carefully take out the evaporator and pay attention to protect the connecting pipe. Rear pipe clamp Screw Evaporator Screw 37
Operating Procedures / Photos Evaporator Screw 9.Disassemble Motor Unscrew the three screws fixing the motor clamp, and remove the motor clamp. Motor Clamp Loosen the holding nut at the shaft sleeve on the right side of the cross flow fan. Slightly lift and then pull out the motor. Screw Holding Screw Motor 38
HUMMER Operation procedures/pictures for outdoor uni(for 2K) Operating Procedures / Photos Top Cover Unscrew the screw fixing the handle,and then remove it upwards to take it out. Unscrew the 2 screws fixing left side of top cover and the screw fixing the right side to remove the top cover. Handle Unscrew the screws fixing the panel and turn right the front panel to remove it. Screws Unscrew the 2 screws fixing electric box,and then unscrew the 5 screws fixing the right side plate to remove it. Right Side Plate Screws
Operating Procedures / Photos Unscrew the screws fixing the electric box, and then pull out the inset block of lead-out wire of compressor and fan motor to take out the electric box. Screws Loosen the fastening nut fixing the axial flow fan with a spanner, and then take out the nut, spring gasket and flap gasket in turn. Nut Unscrew the 4 screws fixing the motor to take out the motor,and then unscrew the 2 screws fixing the motor support to take it out. Motor Motor Support
HUMMER Operating Procedures / Photos Unscrew the fastening nut of the four-way valve coil and remove the coil. Wrap the four-way valve with wet cotton and unsolder the 4 weld spots connecting the four-way valve to take it out. (Note: Refrigerant should be discharged firstly.) Welding process should be as quick as possible and keep wrapping cotton wet all the time. Be sure not to burn out the lead-out wire of compressor. Four-way Valve Respectively unsolder the weld spots of main capillary and auxiliary capillary to take off the capillary. Capillary Unscrew the three foot-nuts at the foot of the compressor. Unsolder the suction and the discharge pipes of the compressor,and then carefully remove the pipes to take out the compressor. Nut
Operation procedures/pictures for outdoor uni(for 2K) Operating Procedures / Photos Unscrew the screw fixing the big handle,and then remove it downwards to take it out. Screw Big Handle Unscrew the 2 screws fixing left side of top cover and the screw fixing the right side to remove the top cover. Screws Unscrew the 4 screws fixing the rear grill to remove it. Rear Grill Screws
HUMMER Operating Procedures / Photos Unscrew the 5 screws fixing the panel and dextrorotate the front panel to pull it out from groove. Screws Unscrew the 2 screws fixing electric box,and then unscrew the 5 screws fixing the right side plate to remove it. Screws Right Side Plate Screws Screw Unscrew the screws fixing the electric box, and then pull out the inset block of lead-out wire of compressor and fan motor to take out the electric box. Electric Box
Operating Procedures / Photos Loosen the fastening nut fixing the axial flow fan with a spanner, and then take out the nut, spring gasket and flap gasket in turn. Axial Flow Fan Nut Unscrew the 4 screws fixing the motor to take out the motor,and then unscrew the 2 screws fixing the motor support to take it out. Screws Motor Screws Unscrew the fastening nut of the four-way valve coil and remove the coil. Wrap the four-way valve with wet cotton and unsolder the 4 weld spots connecting the four-way valve to take it out. (Note: Refrigerant should be discharged firstly.) Welding process should be as quick as possible and keep wrapping cotton wet all the time. Be sure not to burn out the lead-out wire of compressor. Four-way valve Four-way valve coil Weld spots
HUMMER Operating Procedures / Photos Respectively unsolder the weld spots of main capillary and auxiliary capillary to take off the capillary. Capillary Unscrew the two bolts fixing gas valve and liquid valve.unsolder weld spots between gas valve and and air-return pipe to remove the gas valve. Unscrew the two bolts fixing liquid valve. Unsolder weld spots between liquid valve and capillary to remove the liquid valve. (Note:During unsoldering,wrap the valves with wet cloth to avoid damage for high temperature.) Liquid Valve Bolts Gas Valve Unscrew the three foot-nuts at the foot of the compressor. Unsolder the suction and the discharge pipes of the compressor,and then carefully remove the pipes to take out the compressor. Weld spots Nuts with washers
(8) Disassembly Procedures for Outdoor Unit Operating Procedures / Photos Unscrew the screw fixing the handle, then push it downwards to take it out. Unscrew the screws fixing the top cover, and then lift the top cover to remove it. Top Cover Screws Handle Screw Unscrew the screws fixing the front grill,and then lift it upwards to remove it. Front Grill Screws Unscrew the screws fixing the cabinet to remove it. Front side plate
HUMMER Operating Procedures / Photos Unscrew the 9 screws of the right side plate, then take down the right side plate. Right side plate unscrew the screw of electric box, pull out the Screw lead out insert of compressor, four-way valve and motor, then take down the electric box. Electric box cover Unsolder the pipeline connecting with valves ( to prevent soldering gun from burning out the chassis).unscrew 2 bolts fixing gas valve,and then unsolder the weld spot between pipeline and gas valve to remove gas valve. Unscrew the 2 bolts fixing liquid valve, and then unsolder the weld spots between pipeline and liquid valve to remove liquid valve. (Note:During unsoldering,wrap the valves with wet cloth to avoid damage for high temperature.) Liquid Valve Bolts Gas Valve
Operating Procedures / Photos Unscrew the nut fixing the fan with a spanner to take out the fan. Axial Flow Fan Nut Unscrew the screws fixing the motor support, and then lift it upwards to remove it. Unscrew the screws fixing the motor and pull out the connection line between it and electric box to remove it. Motor Terminal Screw of Motor Motor Support Screws Only for cooling and heating unit Unscrew the fixing nut of the four-way valve coil and remove the coil. Wrap the four-way valve with wet cotton and unsolder the 4 weld spots connecting the four-way valve to take it out. Welding process should be as quick as possible and keep wrapping cotton wet all the time. Be sure not to burn out the lead-out wire of compressor. Weld spots Four-way Valve
HUMMER Operating Procedures / Photos Unsolder the weld spots of capillary,valve and outlet pipe of condenser to remove the capillary. Prevent welding slag from blocking the capillary. Capillary Unsolder the pipeline connecting the compressor, and then unscrew the 3 foot-nuts fixing conpressor to remove it. Foot-nut
(24) Disassembly Procedures for Outdoor Unit Operating Procedures / Photos Top Cover Unscrew the screws fixing the top cover, and then lift the top cover to remove it. Unscrew the 3 screws fixing the front side plate to remove it. Screws Front Side Plate Unscrew the 4 screws fixing the rear grill to remove it. Rear Grill Unscrew the screws fixing the cabinet to remove it. Cabinet Screw
HUMMER Operating Procedures / Photos Unscrew the 2 screws fixing electric box to pull out the connection line between fan motor, compressor,four-way valve, and then lift the electric box to take it out. Electric box Screws Unscrew the screw of the right side plate, then take down the right side plate. Right side plate Unsolder the pipeline connecting with valves ( to prevent soldering gun from burning out the chassis). Unscrew 2 bolts fixing gas valve,and then unsolder the weld spot between pipeline and gas valve to remove gas valve. Unscrew the 2 bolts fixing liquid valve, and then unsolder the soldering spot between pipeline and liquid valve to remove liquid valve. (Note:During unsoldering,wrap the valves with wet cloth avoid damage for high temperature.) Liquid Valve Bolts Gas Valve
Operating Procedures / Photos Unscrew the nut fixing the fan with a spanner to take out the fan. Axial Flow Fan Nut Unscrew the screws fixing the motor support, and then lift it upwards to remove it. Unscrew the screws fixing the motor and pull out the connection line between it and electric box to remove it. Motor Terminal Screw of Motor Motor Support Screws Only for cooling and heating unit Unscrew the fixing nut of the four-way valve coil and remove the coil. Wrap the four-way valve with wet cotton and unsolder the 4 weld spots connecting the four-way valve to take it out. Welding process should be as quick as possible and keep wrapping cotton wet all the time. Be sure not to burn out the lead-out wire of compressor.
HUMMER Operating Procedures / Photos Unsolder the weld spots of capillary,valve and outlet tube of condenser to remove the capillary. Prevent welding slag from blocking the capillary. Capillary Unsolder the pipeline connecting the compressor, and then unscrew the 3 foot-nuts fixing conpressor to remove it. Foot-nut
8 Exploded View of Components and Parts of Indoor Unit
HUMMER Part Code No Description GWHN07EANK3AA/I GWHN09EANK3AA/I GWHN2EBNK3AA/I Qty Wall-Mounting Frame 0252226 0252226 0252220 2 Rear Case assy 22202304 22202304 222023045 3 Evaporator Pipe Cover 062200 062200 062200 4 Drainage Pipe 0523004 0523004 0523004 5 Pipe Clamp 2424200 2424200 2424200 6 Cross Flow Fan 0352398 0352398 035200 7 Fan Bearing 765220 765220 765220 8 Ring of Bearing 7652203 7652203 7652203 9 Water Tray Cover 767202 767202 767202 0 Water Tray 2082004 2082004 2082006 Connecting Lever 582004 582004 0582002 2 Connecting Lever 2 582005 582005 0582003 3 Manual Lever 058200 058200 058200 2 4 Evaporator Assy 00024 00024 0002070 5 Evaporator Supporter 2422035 2422035 2422035 6 Front Case 2000223 2000223 20002727 7 Screw Cover 2425200 2425200 2425200 3 8 Front Panel 2000280S 2000280S 2000287S 9 Filter 22006 22006 22002 2 20 Air Cleaner holder / / / / 2 Air Cleaner A / / / / 22 Guide Louver 2620042 2620042 052006 23 Remote Controller YKF 3050044 3050044 3050044 24 Guide Louver Bearing 05420 05420 05420 3 25 Air Cleaner B / / / / 26 Tube Sensor 39000059 39000059 39000059 27 Sensor Insert 42020063 42020063 42020063 28 052002 052002 0 Swing Louver 052002 2 29 Stepping Motor 52207 52207 52207 30 Motor FN8G-PG 502076 502076 502076 3 Motor Clamp 26204 26204 26204 32 Wire Clip / / / / 33 Electric Box Cover 2 202048 202048 202050 34 Main Board 3035072 3035072 3035072 35 Room Sensor 3900092 3900092 3900092 36 Jumper Cap 420230004 420230004 420230005 37 Fuse 460004 460004 460004 38 Power Cord 400220 400220 4002202 39 Connecting Cable 40020540 40020540 40020540 40 Terminal Board 4200262 4200262 4200262 4 LED Board JD 300400 300400 3004600 42 Transformer 430236 430236 430236 43 Electric Box 202046 202046 202045 44 Electric Box Cover 202047S 202047S 202049S 45 Cable Clamp 7048200 7048200 7048200 The above data are subject to be changed without notice.
Exploded View of Components and Parts of Indoor Unit
HUMMER 2 The above data are subject to be changed without notice.
Exploded View of Components and Parts of Indoor Unit 2 34 3 33 4 32 3 5 30 29 28 6 27 7 8 0 9 26 25 35 3 2 23 24 4 22 2 37 36 20 5 9 6 8 7
HUMMER No Description Part Code GWHN8EDNK3A2A/I Qty Wall-Mounting Frame 0252384 2 Pipe clamp 262425 3 Hook 2627242 2 4 Rear Case 22202026 5 Evaporator Assy 00025205 6 Cross Flow Fan 0352005 7 Ring of Bearing 767205 8 Fan Bearing 765220 9 Left clamp of motor 2624282 0 Drainage Pipe 05230040 Water Tray 2082022 2 Stepping Motor Gear 059200 Round Louver 0524297 0 Connecting Lever 05824397 3 Quadrate Louver 0524307 2 4 Front Case 20002748 5 Front Panel 200027990 6 Filter(left) 22062 7 Filter(right) 2206 8 Remote control YKF 3050044 9 display board DBL3A 3054002 20 Screw Cover 242524409 3 2 Guide Louver 0524288 22 Guide Louver 0524277 23 Motor MP24BA 52207 24 Right clamp of motor 262429 25 Bearing holder 2652423 26 Motor FN20J-PG 5020752 27 Electric Box Cover 202208 28 Covering plate 202060 29 Terminal board 4200262 30 Electric box 202059 3 Main PCB M504F2NJ 30055066 32 Transformer48X26J 43026 33 Wire clamp 70003 34 Rear clamp 2624307 35 Power Cord 4002202 36 Connecting Cable 40020540 37 Signal Cable 40020536 The above data are subject to be changed without notice.
Exploded View of Components and Parts of Indoor Unit 2 9 8 7 5 6 4 3 5 4 3 2 0 36 35 34 33 6 7 32 3 29 30 37 28 8 9 20 2 22 23 24 25 27 26
HUMMER No Description Qty Part Code GWHN24ECNK3A2A/I Wall-Mounting Frame 0252004 2 Rear Case 22202329 3 Fan Bearing 7652203 4 Screw Cover 2425205 3 5 Swing Louver 052429 6 Swing Link 0582057 7 Swing Link 2 0582058 8 Water Tray 2082057 9 Guide Louverup 052085 0 Guide Louverdown 052086 Cross Flow Fan 0352022 2 Evaporator Assy 00022365 3 Drainage Pipe 0523004 4 Evaporator Support 2422067 5 Filter 22048 2 6 Front Case 200026524 7 Front Panel 200028000S 8 Remote Controller 305004 9 Displaying Light Board 30540020 20 Electric Box Cover 20209 2 Wire Clamp 70003 22 Terminal Board T4B3A 42002620 23 Electric Box Cover 202020 24 Main PCB 303563 25 Transformer 430237 26 Room Sensor 5k 39000045 27 Tube Sensor 20k 39000059 28 Sensor Insert 42020063 29 Electric Box 20208 30 Lower Shield of Electric Box 0592037 3 Upper Shield of Electric Box 0592038 32 Stepping Motor MP35XX 52300 33 Motor Clamp 262095 34 Helicoid tongue 26252009 35 Motor FN20C-PG 502077 36 Pipe Clamp 262096 37 Connecting Cable 400205382 The above data are subject to be changed without notice.
Components and Parts List of Outdoor Unit 28 27 30 3 29 26 25 24 23 22 2 20 9 8 7 6 5 4 3 2 2 3 4 5 6 7 8 9 0
HUMMER The above data are subject to be changed without notice.
Components and Parts List of Outdoor Unit 25 24 26 27 23 22 2 20 9 8 7 6 5 2 3 4 5 6 7 8 9 0 2 3 4
HUMMER The above data are subject to be changed without notice.
Components and Parts List of Outdoor Unit
HUMMER No Description Handle 2 Axial Flow Fan 3 Motor LW48B 4 Motor Support 5 Condenser Assy 6 Condenser Clamp 7 Top Cover 8 Rear grill 9 Electrical Box Capacitor CBB6 0 3.5uF/450V Capacitor Clamp 2 Capacitor C4 CBB65 60F 3 Terminal Board 4 Terminal Board 5 4-way Valve Assy 6 4-way valve coil 7 Capillary Assy 8 Rear Side Plate 9 Handle 20 Valve Assy /2 2 Valve Assy /4 22 Valve support 23 Compressor C-RV90HA 24 Mid Clapboard 25 Drainage Connecter 26 Chassis 27 Front Side Plate 28 Front Grill Part Code GWHN8EDNK3A2A/O 2623540 0333426 503070 0703098 03004 none 025500 0473037 0405039 330000 024340 3300743 42047 4200265 430004032 430004002 03003949 030503 26235254 073023 0700003 073075 0003024 0233035 062340 0203625P 030505 224500 The above data are subject to be changed without notice.
Components and Parts List of Outdoor Unit 7 8 9 6 5 0 4 2 3 2 3 4 5 6 24 23 22 2 20 9 8 7
HUMMER No Description Front Grill 2 Front Plate 3 Axial Flow Fan 4 Motor LW68A 5 Motor Support 6 Condenser Assy 7 Top Cover 8 Rear Grill 9 Electric Box Cover 0 Electric Plate Capacitor CBB65 50uF/450V Capacitor CBB6 2 3.5uF/450V 3 Terminal Board A 4 4-way Valve Case 5 Terminal Board 2-8 6 4-way Valve Coil 7 4-way Valve 8 Handle 9 Gas Valve Assy 20 Liquid Valve Assy 2 Rear Side Plate 22 Valve Support 23 Capillary Assy Compressor ASH275CV- 24 C8LU 25 Overload Protector 26 Compressor Gasket 27 Isolation Washer C 28 Clapboard Part Code GWHN24ECNK3A2A/O 224402 043307P 033873 50542 0703027 03032 0255262 0473028 043047 0403248 3300000 330000 420094 03023840 42003 430004002 430004032 26235253 0703030 0733024 03035 07500 0303554 0003095 built in 7670202 7040523 0233024 The above data are subject to be changed without notice.
9 Failure and analysis Note: When replacing the controller, make sure insert the wire jumper into the new controller, otherwise the unit display C5 and can't be turned on(only for 9k,2k) Note: When replacing the controller, make sure insert the wire jumper into the new controller, otherwise the running indicator turns off 3s and blink 5 times (the dual eight will display C5) but cannot turn on the unit only for 8k,24k. The breaker trips at once when it is set to "ON". Measure insulation resistance to ground to see if there is any leakage. Trip of breaker or blow of fuse The circuit or the part of the air conditioner has The breaker trips in few minutes when it is set to "ON" malfunction. They heat and break the insulation and lead to short circuit or creepage. Measure the insulation resistance or eliminate the malfunction one by one. If the breaker itself has malfunction, then replace the breaker. No power Check power supply circuit. Air conditioner can not start up The air conditioner does not react after it is powered ( after the plug is inserted, the buzzer does not sound and the remote startup has no response) Power plug is not well plugged in and poor connection Fuse of controller burnt out The transformer connection is loose or has bad contact or the transformer has malfunction Controller is broken Check if the plug is properly plugged in and make the loose contact firm. Change controller fuse Fasten the wiring; measure the output voltage of the transformer, if it is incorrect, change the transformer Check remote controller The remote controller Remote controller is short of power Change batteries does not receive signals (after it is powered, the buzzer will sound, unless it has malfunction) Remote controller malfunction Receiver loose or poor connection First, press the manual switch button AUTO, if there is no response,check based on the above methods. If it runs normally after pressing the button,check again whether the installation position and the connection wire of the reception head is correct. If it is Receiver is broken correct,then replace the receiver or the remote controller. Power voltage is too low heck the voltage. If it is lower than 0 of the rated voltage, check the cause, improve the power supply condition and add the stabilized voltage power supply. Controller malfunction (IC2003 broken, creepage of parallel capacitor of relay loop, relay is broken etc.) Change controller In cool, heat mode,the outdoor unit and compressor will not run. Wire loose or wrong connection Improper setting of temperature Correctly wire according to the drawing Adjust setting temp.
Improper set of temperature Adjust set temperature If cooling (heating) load is proper Check the forecasted load of cooling (heating) Malfunction of refrigerant flow The refrigerant has leakage or is insufficient Leakage between the high pressure and the low pressure inside the compressor Malfunction of four-way valve heck and fill the leakage, then vacuumize it and supplement the refrigerant as required Replace the compressor Replace the four-way valve Local block of capillary Replace the capillary Poor COOL(HEAT) operation Judge whether the system is blocked by observing the condensation of evaporator and the pressure value of the high Blockage of cooling system pressure manometer and take measures to deal with the system. Heat insulation for the connection Make sure that heat insulation for the thick and thin pipes pipes of the indoor unit and the outdoor unit is bad. is good. Heat insulation must also be provided for the joint andthe exposed part of the copper pipe. Block of outdoor heat exchanger the heat Clean the dust accumulated on the surface of exchanger. Air circulation is insufficient Air filter were blocked Fan speed was set too slow Fan rotation speed becomes low Clean the filter To set the fan speed to high or middle speed Capacitor Replace the capacitor damage Motor damage Replace the motor The installation position of the outdoor unit is not appropriate. Good ventilation must be provided for the installation position of the outdoor unit. The outdoor temperature is too high. The air tightness is not enough. People come in and out too frequently. There are heating devices indoors. Properly install the rainproof plate or the sunproof plate. If the maximum cool air still can not meet the requirement, it is suggested to replace the air conditioner. Keep certain air tightness indoors, try not to use electricalappliance with large quantity of heat
The indoor fan motor is burned or breaks or has the heat protector malfunction. Replace the fan motor or the defective part. The fan does not run when it is set to supply air. In the cooling and heating mode, the compressor runs, but the outdoor fan does not run. The built-in heat protector of the motor breaks frequently because the motor is abnormal. Wrong connection The fan capacitor has open circuit or is damaged. The outdoor fan motor is damaged. Wrong connection The outdoor fan capacitor is damaged. Replace the fan motor Make the correction connection based on the circuit drawing. Replace the fan capacitor of the same type and same specification. Replace the fan motor Make the correct connection based on the circuit drawing Replace the fan capacitor Malfunction of compressor Replace the compressor The compressor is too hot and leads to the action of the protector. The compressor is too hot and leads to the action of the protector. Breakage of running capacitor of compressor The voltage is too low or too high. Wrong wire connection The protector itself has malfunction. The refrigerant is not enough or is too much. The capillary is blocked and the temperature rises. The compressor does not run smoothly or is stuck. The air discharge valve is damaged The protector itself has malfunction. Replace the capacitor Manostat is recommended. Connect the circuit diagram correctly Use the multimeter to check whether the contact of the compressor is on when it is not overheated. If it is not on, then replace the protector Adjust the volume of the refrigerant Replace the capillary Replace the compressor Replace the protector The swing fan does not run. The torque of the swing motor is not enough Wrong connection The controller is damaged(ic2003 is damaged, the swing relay can not close, etc) First, check whether the connection is wrong. If no, replace the parts
Water leakage Drainage pipe blocked or broken Wrap of refrigerant pipe joint is not close enough. Change drainage pipe Re-wrap and make it tight. Fan of indoor unit contacts other parts. Adjust fan location. Foreign object in indoor unit Take out the foreign object. Compressor shakes too much. Adjust support washer of compressor, and tighten loosen screws. Abnormal sound and shake Touch of pipeline of outdoor unit Touch of inner plates Separate the touching pipeline.. Tighten connect screw. 2. Stick absorbing clay between plates. Louver of outdoor unit touched outer case. Abnormal sound inside compressor Adjust location of louver. Change compressor Abnormal solenoid sound from 4-way valve when heating Circuit-short inside solenoid of the valve and change the solenoid valve. There are no heating malfunctions in the above for the cooling only unit.