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Service Manual

MODEL:

GAN GAG A180IV
GAN GAG A220IV

Summary of Contents for GAN GAG A180IV

Page 1: ...Service Manual MODEL GAN GAG A180IV GAN GAG A220IV...

Page 2: ...el dB A H M L Dimension W H D mm Dimension of Package L W H mm Net Weight Gross Weight kg 900 800 675 Total Capacity W Low High Standard 850 750 650 787X400X25 4 58 53 50 1020X319X234 1078X325X390 MP2...

Page 3: ...ght kg Refrigerant Charge kg Outdoor unit Overload Protector Throttling Method Starting Method Sound Pressure Level dB A H M L Dimension W H D mm Model of Outdoor Unit Connec tion Pipe Length m Gas ad...

Page 4: ...ndow 5 Wall Pipe 6 Wrapping Tape 7 Drainage hose Connection pipe Air inlet Air Outlet Air inlet Air Outlet and connection wire Wireless remote control Heat This indicator is black for single Cooling c...

Page 5: ...Overall and Installing Dimension of Indoor Unit Air inlet grill Left Tube exit hole Top View Right Tube exit hole Unit mm Rear View Rear panel...

Page 6: ...Overall and Installing Dimension of Indoor Unit 18K Unit mm above above above above Bolt Nut Wrench...

Page 7: ...Overall and Installing Dimension of Indoor Unit 24K Unit mm Bolt Nut Wrench...

Page 8: ...Electrical Diagram GAN GAG A180IV Electrical Diagram GAN GAG A220IV...

Page 9: ...nd is given the mian unit will run under the command In this mode the system selects COOL HEAT and FAN mode automatically according to the change of ambient temperature Protection function is the same...

Page 10: ...er 1 after 2 hours Preset temperature will decrease by 2 in total within 2 hours After that the unit will run at this preset temperature the indoor fan will run at preset speed No sleep function under...

Page 11: ...top the unit or switch into other modes in heating mode the 4 way valve will de energize after the compressor has stopped for 2min In this mode the Temp setting range should be 16 30 1 4 2 Defrosting...

Page 12: ...t setting temp after compressor has stopped 3mins later it will resume to running status if continuously 6 times module protection the compressor cannot resume to run It is need to press ON OFF can re...

Page 13: ...H RPSUHVVRU QRUPDOO UXQV 2YHU YROWDJH 30 RYHUKHDW SURWHFWLRQ DFN YROWDJH HPDJQHWL DWLRQ SURWHFWLRQ RQWLQXRXVO WLPHV VWDUWXS IDLOXUH 0HDQLQJ RI OLJKWV EOLQNV IRU GULYH ERDUG LU H KDXVW SURWHFWLRQ OLPLW...

Page 14: ...n at low speed invariably Swing will operate according to setting status Press the MODE button on the remote controller to select and display the following modes AUTO COOL DRY FAN HEAT AUTO 3 2 MODE S...

Page 15: ...urn to air outlet D1 and then return standby to L1 If the unit is in swing condition the guide louver will swing between L1 and D1 for cooling and between L and D2 for heating After the unit is off gu...

Page 16: ...Logic of Outdoor Fan If Tout amb 26 outdoor fan will run at high speed If Tout amb 24 outdoor fan will run at low speed In running if 24 Tout amb 26 the outdoor fan will remain original After turning...

Page 17: ...compressor will be stopped as the indoor room temperature meet the preset value after the compressor has stopped for 3 minutes it will resume its original operating status automatically If 6 successi...

Page 18: ...WXUQ 1RPLQDO UHIULJHUDWLQJ KHDWLQJ EOLQNV 0D UHIULJHUDWLQJ KHDWLQJ EOLQNV 0HGLXP UHIULJHUDWLQJ KHDWLQJ EOLQNV 0LQ UHIULJHUDWLQJ KHDWLQJ EOLQNV 6WRS EOLQNV RZ SUHVVXUH XQUHVWRUDEOH HILQLWLRQ HILQLWLRQ...

Page 19: ...r Air guide louver Filter Screw Electric box top cover Front panel Wire terminal Open the front panel Firstly to screw off the screws that fixed at the guard plate on the receiving window both sides d...

Page 20: ...r tray and then loosen the slipknot in the other end Pull out the terminal of stepping motor and then pull upwards the water tray to take it out Slipknot Water tray Terminal Operation procedures pictu...

Page 21: ...s Motor Cross flow fan Disassemble Evaporator Use a screwdriver to loosen the screw 1pc of left side 2pcs of right side Take out the evaporator with your hands so that the side plate clamp of evaporat...

Page 22: ...p can take off the top cover Disassemble the handle Handle Screw Screw off one screw which fix the handle then adown to push the handle then can take off the handle Disassemble the rear side plate sub...

Page 23: ...hen can take off the cabinet Screw off the screw which fix the front case then pull it upwards can take off the front case Disassemble the electric box sub assy Screw off 2pcs screw which fix the elec...

Page 24: ...der the soldering point connecting the liquid valve and the fork type pipe and remove the liquid valve Liquid Valve Gas Valve Screws Disassemble Outdoor Motor Screw off the four tapping screws fixing...

Page 25: ...Soldered dots Nut with washer Operating Procedures Photos Disassemble 4 Way Valve Screw off the holding nut of the 4 way valve coil and remove the coil Use wet cotton cloth to wrap the 4 way valve un...

Page 26: ...ront Side Plate Fig Disassemble Top Cover Unscrew the screws fixing the top cover and then lift the top cover to remove it As show in Fig 7 14 Screws Fig Disassemble Rear Grill Unscrew the screws fixi...

Page 27: ...lectric box Disassemble the rear side plate Screw screw off 8pcs screw which fixed the rear side plate then can disassemble the rear side plate Screw off 4pcs screw which fix the electric box then can...

Page 28: ...and electric box to remove it Disassemble Four way Valve the four way valve to take it out Welding process wet cotton and unsolder the 4 weld spots connecting and remove the coil Wrap the four way val...

Page 29: ...remove the gas valve caution when unsoldering the soldering point wrap the gas valve completely with wet cloth so as to prevent the valve body from harmed by high temperature Unscrew the four bolts f...

Page 30: ...8 Exploded View and Components and Parts List Exploded View of Indoor Unit...

Page 31: ...nsformer 57X25C 43110237 1 19 Tube Sensor 20k 390000595 1 20 Sensor Insert 42020063 1 21 Upper Shield of Electric Box 01592038 1 22 Receiver Board 5H53EA 30545552 1 23 Electric Box 20112018 1 24 Filte...

Page 32: ...Exploded View of Indoor Unit...

Page 33: ...ansformer 57X25C 43110237 1 19 Tube Sensor 20k 390000595 1 20 Sensor Insert 42020063 1 21 Upper Shield of Electric Box 01592038 1 22 Receiver Board 5H53EA 30545552 1 23 Electric Box 20112018 1 24 Filt...

Page 34: ...Exploded View of Outdoor Unit...

Page 35: ...1 B C 2 R Q 1 4 2 C a p a cito r C B B 6 1 3 u F 4 5 0 V 1 4 3 E le ctric B o x C o ve r 1 4 4 Va lve 1 2 1 4 5 Va lve 1 4 1 4 6 Va lve S u p p o rt 1 4 7 R u b b e r fo o t o f co m p re s s o r 3 4...

Page 36: ...Exploded View of Outdoor Unit...

Page 37: ...e Fittin g s 1 4 2 G a s Va lve S u b As s y 1 4 3 R e a r S id e P la te 1 4 4 C a b le C ro s s L o o p 1 4 5 C o m p re s s o r 1 4 6 U n d e rp a n As s y 1 4 7 Fro n t S id e P la te 1 4 8 E le c...

Page 38: ......

Page 39: ...oth thick pipe and thin pipe are insulated well The exposed part of the connector and copper pipe must be insulated as well Heat exchanger of outdoor unit is blocked Air filters are blocked Fan speed...

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Page 41: ...n connect screw 2 Stick absorbing clay between plates Louver of outdoor unit touched outer case Adjust location of louver Abnormal sound inside compressor Change compressor Abnormal solenoid sound fro...

Page 42: ...H UHIHU WR WKH PDOIXQFWLRQ DQDO VLV LQ WKH SUHYLRXV VHFWLRQ IRU KDQGOLQJ PHWKRG 30 PRGXOH SURWHFWLRQ Processing method Once the module malfunction happens if it persists for a long time and can not be...

Page 43: ...voltage of outdoor fan connector No voltage Normal voltage Replace the fan Replacethemainboard motor of outdoor unit Check if radiating paste is spread evenly or radiating sticker is stuck well if sc...

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