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WGC-IT / GC-IT Model:

- 2

Installation and Maintenance

6HUYLFH0DQXDO

F:Inspection

● Check the quality of expanding port. If there is any blemish, expand the

port again according to the steps above.

The length is equal

Improper expanding

leaning

damaged

surface

crack

uneven

thickness

Smooth surface

Downwards

Pipe

Shaper

Union pipe

Pipe

Expander

Hard

mold

Pipe

Pipe cutter

Leaning

Uneven

Burr

,PSURSHU SLSH H[SDQGLQJ LV WKH PDLQ FDXVH RI UHIULJHUDQW OHDNDJH3OHDVH
H[SDQGWKHSLSHDFFRUGLQJWRWKHIROORZLQJVWHSV

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 prevent the burrs from getting into the pipe.

C:Put on suitable insulating pipe

D:Put on the union nut
● Remove the union nut on the indoor connection pipe and outdoor valve; install
the union nut on the pipe.

E:Expand the port

● Expand the port with expander.

● "A" is different according to the diameter, please refer to the sheet below:

Outer diameter(mm)

A(mm)

Max

Min

Ф6 - 6.35 (1/4")

1.3

0.7

Ф9.52 (3/8”)

1.6

1.0

Ф12 - 12.70 (1/2”)

1.8

1.0

Ф16 - 15.88 (5/8”)

2.4

2.2

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Содержание WGC18IT/GC18IT

Страница 1: ...Service Manual R410A Vidicon Ltd Commercial Air Conditioners R410A Systems Models WGC18IT GC18IT WGC24IT GC24IT ...

Страница 2: ...VWHP LDJUDP 10 OHFWULFDO 3DUW 11 5 1 Wiring Diagram 11 5 2 PCB Printed Diagram 13 XQFWLRQ DQG RQWURO 15 6 1 Remote Controller Introduction 15 6 2 Brief Description of Modes and Functions 19 3DUW Ċ QVWDOODWLRQ DQG 0DLQWHQDQFH 25 1RWHV IRU QVWDOODWLRQ DQG 0DLQWHQDQFH 25 QVWDOODWLRQ 27 8 1 Installation Dimension Diagram 27 8 2 Installation Parts checking 29 8 3 Selection of Installation Location 29 8...

Страница 3: ...alfunction 53 SORGHG 9LHZ DQG 3DUWV LVW 55 10 1 Indoor Unit 55 10 2 Outdoor Unit 59 5HPRYDO 3URFHGXUH 63 11 1 Removal Procedure of Intdoor Unit 63 11 2 Removal Procedure of Outdoor Unit 69 SSHQGL 81 Appendix 1 Reference Sheet of Celsius and Fahrenheit 81 Appendix 2 Conﬁguration of Connection Pipe 81 Appendix 3 Pipe Expanding Method 82 Appendix 4 List of Resistance for Temperature Sensor 83 ...

Страница 4: ...YLFH 0DQXDO 6XPPDU 3DUW ĉ 7HFKQLFDO QIRUPDWLRQ QGRRU 8QLW 2XWGRRU 8QLW GC 18 IT GC 24 IT WGC 18 IT WGC 24 IT 5HPRWH RQWUROOHU YB1F2 XFAN FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT ...

Страница 5: ...wing Motor Model Swing Motor Power Output W Fuse Current A Sound Pressure Level SH H M L SL dB A Sound Power Level SH H M L SL dB A Dimension WXHXD mm Dimension of Carton Box LXWXH mm Dimension of Package LXWXH mm Net Weight kg Gross Weight kg Value WGC18IT GC24IT CB146036000 220 240 50 1 Outdoor 5275 1200 6200 5570 1100 6000 1675 380 2450 1750 350 2600 7 43 7 80 2650 11 80 800 680 560 460 1 8 3 1...

Страница 6: ... Isolation I Moisture Protection IP24 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 Sound Pressure Level H M L dB A 55 Sound Power Level H M L dB A 65 Dimension WXHXD mm 963X700X396 Dimension of Carton Box LXWXH mm 1026X455X735 Dimension of Package LXWXH mm 1029X458X750 Net Weight kg 46 Gross Weight kg ...

Страница 7: ...th LXDXW Swing Motor Model Swing Motor Power Output Fuse Current Sound Pressure Level SH H M L SL Sound Power Level SH H M L SL Dimension WXHXD Dimension of Carton Box LXWXH Dimension of Package LXWXH Net Weight Gross Weight kg Value WGC18IT GC18IT CB146036000 220 240 50 1 Outdoor 5275 1200 6200 5570 1100 6000 1675 380 2450 1750 350 2600 7 43 7 80 2650 11 80 800 680 560 460 1 8 3 15 3 18 5 60 23 3...

Страница 8: ...te Type Isolation Moisture Protection Permissible Excessive Operating Pressure MPa for the Discharge Side 4 3 Permissible Excessive Operating Pressure for the Suction Side MPa 2 5 Sound Pressure Level H M L dB A Sound Power Level H M L dB A Dimension WXHXD mm Dimension of Carton Box LXWXH mm Dimension of Package LXWXH mm Net Weight kg Gross Weight kg Refrigerant Refrigerant Charge kg Connection Pi...

Страница 9: ...e length 5m Cooling Heating 32 33 34 35 36 37 38 39 43 15 10 5 40 41 42 100 105 95 90 85 80 75 70 65 60 55 50 110 100 90 80 70 60 50 40 0 5 7 10 Conditions Indoor DB27 C WB19 C Indoor air flow Super High Pipe length 5m Conditions Indoor DB20 C WB15 C Indoor air flow Super High Pipe length 5m Outdoor temp C Outdoor temp C Capacity ratio Capacity ratio WGC18 IT 32 33 34 35 36 37 38 39 43 40 41 42 10...

Страница 10: ... outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor frequency Hz Indoor Outdoor P MPa T1 C T2 C 20 15 7 6 18K 2 2 to 2 4 70 to 35 2 to 4 Super High High 75 24K 78 QVWUXFWLRQ T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure at the side of big valve Connection pi...

Страница 11: ...18 24 Technical Information 6HUYLFH 0DQXDO 2XWOLQH LPHQVLRQ LDJUDP QGRRU 8QLW Φ70 Φ70 70 90 45 45 40 Φ55 Φ55 40 71 161 149 542 176 130 685 193 W D H unit mm 24K Unit 18K Unit Models W H D 18K 867 305 215 24K 1008 319 221 ...

Страница 12: ...WGC IT GC IT Model 18 24 Technical Information 6HUYLFH 0DQXDO 2XWGRRU 8QLW Unit mm 24K Unit 18K Unit 963 892 700 396 341 368 560 427 1000 920 610 370 790 395 ...

Страница 13: ...peciﬁcation Liquid pipe 1 4 6mm Gas pipe 1 2 12mm 18K Gas pipe 5 8 16mm 24K Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Electric Strainer Capillary or EEV Compressor Accumlator ...

Страница 14: ...N Yellow Green BK Black VT Violet OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model SENSOR SENSOR AC L BK PE ROOM TUBE M2 SWING UD1 ROOM TEMP RT2 AP2 BN PG YEGN M1 BU FAN MOTOR OUTDOOR UNIT 2 3 XT N 1 TUBE TEMP RT1 SWING MOTOR COM OUT N PGF CAP JUMP DISP2 DISP1 AP1 RECEIVER AND DISPLAY BOARD EVAPORATOR TERMINAL BLOCK L L BU BK BN YEGN P...

Страница 15: ... P DC and N DC at AP1 is higher than 30V to prevent the risk of electric shock WARNING BN 20K 15K 50K L2 L2 50K 15K 20K BN WARNING Please don t touch any terminal when the voltage of terminal P DC and N DC at AP1 is higher than 30V to prevent the risk of electric shock POWER θ θ θ COMP L1 W V U PRINTED CIRCUIT BOARD L1 PE YEGN FAN MOTOR 4WAY OFAN VT VT VALVE 4YV 4 WAY M1 PE MAGNETIC PE TERMINAL BL...

Страница 16: ...ire 3 Interface of neutral wire 4 Capacitor of fan motor 5 Fuse 6 Interface of PG motor 7 Interface of health function live wire 8 Auto button 9 Up down swing 10 Feedback interface of PG motor 11 Interface of IDU and ODU communication 12 Display interface 13 Jumper cap 14 Interface of tube temperature sensor 15 Interface of ambient temperature sensor 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...

Страница 17: ...Terminal of temperature sensor 3 Terminal of electronic expansion valve 4 Terminal of outdoor fan 5 Terminal of 4 way valve 6 Terminal of compressorelectric heating 7 Terminal of chassis electric heating 8 Terminal of indoor unit and outdoor unit communication 9 Power supply live wire 10 Earthing wire 11 Power supply neutral wire 1 2 3 4 5 6 7 8 9 10 11 ...

Страница 18: ...TO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT 2 10 7 9 12 8 3 11 6 5 13 4 1 Child lock Left right swing Sleep mode Auto mode Air mode Cool mode Heat mode Fan mode Dry mode Up down swing Indoor ambient temp Set temp Outdoor ambient temp FAN OPER AUTO HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY TIMER ON TIMER OFF Set time Light S...

Страница 19: ...ontal louvers stops at current position high speed Pressing this button can set fan speed circularly as auto AUTO low medium high Under AUTO Speed IDU fan motor will adjust the fan speed high medium or low speed according to ambient temperature Fan speed under dry mode is low speed Operation indicator is ON ...

Страница 20: ...Technical Information 6HUYLFH 0DQXDO no display no display swing angle is displayed dynamically horizontal louvers stops at current position swing angle is displayed dynamically This function is applicable to partial of models ...

Страница 21: ...WGC IT GC IT Model 18 24 Technical Information 6HUYLFH 0DQXDO Signal sender Battery Cover of battery box Remove Reinstall ...

Страница 22: ...n for the compressor is reached the compressor and the outdoor fan motor stop operation The upper down horizontal louver will rotate to the horizontal position L The indoor fan will be stopped after operating for 60s at setting speed b Due to the blockage of PG motor horizontal louver will keep the stop position when the unit is turned off In other modes When the unit is stopped due to other malfu...

Страница 23: ...p the sleep function the temperature will increase by1 C every one hour After the temperature has increased by 3 C the unit will keep this temperature When the unit has operated for 7 hours the temperature will decrease by 1 C and then the unit will operate at this temperature all the time ĸ When the initial temperature is set as 24 27 C after starting up the sleep function the temperature will in...

Страница 24: ...e detected at any other time 3URWHFWLRQ RI WHPSHUDWXUH VHQVRU 1 When the temperature sensor is detected short circuit for 5s successively The detected temperature by the temperature sensor is too high and the complete unit will stop operation meanwhile the protection and malfunction of temperature sensor will be displayed accordingly 2 When the temperature sensor is detected open circuit for 5s su...

Страница 25: ...t 25 30 C Cooling at low temperature that is the minimum setting temperature for outdoor unit judgment is 25 C U 0RGH ķ Conditions and processes of dry operations Same as the cooling mode ĸ The temperature setting range is 16 30 C 3 Fan Mode 1 The compressor outdoor fan and four way valve are switched off ĸ The temperature setting range is 16 30 C HDWLQJ 0RGH ķ Conditions and processes of heating ...

Страница 26: ...essor may decrease or the operation frequency of compressor may stop increasing Ĺ If the unit stops operation due to freeze prevention protection for 6 times successively the unit cant resume operation automatically and error code will be displayed successively Only press ON OFF button can resume the operation During operation process if compressor operates for more than 10min times of stop operat...

Страница 27: ... modular protection signal Main chip will detect the modular protection signal as soon as the unit is turned on Once modular protection signal is detected the unit will stop operation immediately due to protection If modular protection is resumed and compressor has stopped for 3min the complete unit can then be allowed to resume operation If the unit stops operation due to modular protection for 3...

Страница 28: ...G PDLQWHQDQFH DYH WKH XQLW DGHTXDWHO JURXQGHG 7KH JURXQGLQJ ZLUH FDQ W EH XVHG IRU RWKHU SXUSRVHV 0XVW DSSO SURWHFWLYH DFFHVVRULHV VXFK DV SURWHFWLYH ERDUGV FDEOH FURVV ORRS DQG ZLUH FOLS 7KH OLYH ZLUH QHXWUDO ZLUH DQG JURXQGLQJ ZLUH RI SRZHU VXSSO PXVW EH FRUUHVSRQGLQJ WR WKH OLYH ZLUH QHXWUDO ZLUH DQG JURXQGLQJ ZLUH RI WKH DLU FRQGLWLRQHU 7KH SRZHU FRUG DQG SRZHU FRQQHFWLRQ ZLUHV FDQ W EH SUHVVH...

Страница 29: ...QDQFH HYHO PHWHU PHDVXULQJ WDSH OHFWURSUREH OHFWURQLF OHDNDJH GHWHFWRU 3LSH SOLHUV SLSH FXWWHU 6FUHZ GULYHU 8QLYHUVDO PHWHU 9DFXXP SXPS 3LSH H SDQGHU SLSH EHQGHU PSDFW GULOO GULOO KHDG HOHFWULF GULOO 7RUTXH ZUHQFK RSHQ HQG ZUHQFK LQQHU KH DJRQ VSDQQHU 3UHVVXUH PHWHU 6ROGHULQJ DSSOLDQFH UHIULJHUDQW FRQWDLQHU ...

Страница 30: ...cm At least 15cm At least 15cm At least 250cm Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S Space to the obstruction Drainage pipe Space to the wall Space to the obstruction Space to the obstructio Space to the obstruction A t l e a s t 3 0 0 c m At least 50cm At least 200cm At least 30cm At least 30cm At least 50cm ...

Страница 31: ...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 operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outdoor unit sel...

Страница 32: ...er is ﬁrst class electric appliance It must be properly grounding with 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 which can t be used for other purposes 3 The grounding resistance should comply with national electric safety regulations 4 The appl...

Страница 33: ...lected outlet pipe position In order to drain smoothly slant the piping hole on the wall slightly downward to the outdoor side with the gradient of 5 10 As show in Fig 2 1RWH Insulating pipe Torque wrench Open end wrench Indoor pipe Pipe Union nut Union nut Pipe joint Pipe Hex nut diameter mm Tightening torque N m Φ6 15 20 Φ9 52 30 40 Φ12 45 55 Φ16 60 65 Φ19 70 75 Refer to the following table for ...

Страница 34: ...ertain 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 show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe should 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 fr...

Страница 35: ...nit with bolts As show in Fig 20 RQQHFW QGRRU DQG 2XWGRRU 3LSHV 1 Remove the screw on the handle and valve cover of outdoor unit and then remove the handle and valve cover As show in Fig 21 2 Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe As show in Fig 22 3 Pretightening the union nut with hand 4 Tighten the union nut with torque wrench Fig 18 Fig 19 Fig 20 Fig 21 F...

Страница 36: ...to the refrigerant charging vent of gas valve and then connect the other charging hose to the vacuum pump 3 Open the piezometer completely and operate for 10 15min to check if the pressure of piezometer remains in 0 1MPa 4 Close the vacuum pump and maintain this status for 1 2min to check if the pressure of piezometer remains in 0 1MPa If the pressure decreases there may be leakage 5 Remove the pi...

Страница 37: ...ture sensor is open short circuited F1 Indoor evaporator temperature sensor is open short circuited F2 Module temperature sensor is open short circuited P7 Outdoor ambient temperature sensor is open short circuited F3 Outdoor condenser tube temperature sensor is open short circuited F4 Outdoor discharge temperature sensor is open short circuited F5 Communication malfunction between indoor and outd...

Страница 38: ... for 30s and then peformedischarging NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280V to 380V remains and disc harging takes a lot of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electro...

Страница 39: ...ndthe controller 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 eliminated Replace the mainboard with the same model End no no Is the temperature sensor normal according to the Resistance Table no Replace it with a temperature sensor with the same model n...

Страница 40: ... motor correctly Is malfunction eliminated No No 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 No Is the motor started up No Is malfunction eliminated No Is malfunction eliminated Tighten the screw reassemble the blade motor and shaft bearing rubber base sub assy to make sure there is no foreign...

Страница 41: ... the mainboard Is the jumper cap inserted correctly and tightly Replace the jumper cap with the same model End Yes Assemble the jumper cap with the same model No Is malfunction eliminated No Insert the jumper cap tightly Is malfunction eliminated No No Is malfunction eliminated No Replace the mainboard with the same model Yes Yes Yes Yes expl model 12 short x open o nr 1 2 3 4 5 set o x x x o ...

Страница 42: ...ng to the wiring diagram Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Main board matches with display board Main board of IDU matches with that of ODU Match correctly according to product specification Connection of communication wire is damaged or not Replace the connection wire Replace the main board of IDU Replace the main board of ODU ...

Страница 43: ...shooting for U8 malfunction Re energize1 minute after de erergization U8 is still displayed The 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 abnormal Replace the mainboard with the same model End No Yes ...

Страница 44: ...ion occurs after de energizing and turning on the unit Whether stop time for compressor is more than 3min No No No No No No No Yes Yes Yes Yes Yes No Yes Yes Yes Yes Whether valve of outdoor unit is opened Whether wire connection for compressor is correct Open the valve Is malfunction eliminated Connect wire correctly Is malfunction eliminated Replace electronic expansion valve Is malfunction elim...

Страница 45: ...or the unit such as clean heat exchanger improve ventilation etc Turn on the unit again after the power voltage is resumed Charge refrigerant according to service manual Whether the outdoor fan can operate normally Whether the radiation for the unit is in good condition Whether the input voltage is normal Whether refrigerant is superﬂuous Replace main board of outdoor unit Is malfunction eliminate...

Страница 46: ...is damaged KHFN ÀRZ FKDUW Start the troubleshooting for temperature sensor Check the connection between temperature sensor and wiring terminal is loose or in poor connection Check whether the temperature sensor is normal according to the Resistance Value Table for Temperature Sensor Insert the temperature sensor well Is malfunction eliminated Is malfunction eliminated Replace the temperature senso...

Страница 47: ... ambient temperature Whether the resistance 1KΩ Whether wire connection wire electronic expansion valve is in good condition Check the coil of electronic expansion valve If it s damaged please replace it Is malfunction eliminated If the refrigerant is leaking please add refrigerant according to Service Manual Is malfunction eliminated Replace main board of outdoor unit End Yes Yes Yes Yes No No No...

Страница 48: ...ait for 1 min There is malfunction for the detection circuit on main board of outdoor unit Check the input power and resume the power supply normal Is malfunction eliinated Measure the voltage at both ends of big electrolytic capacitor with the DC notch of universal meter Is the voltage more than 100V Check whether the input voltage is within the normal range Replace main board of outdoor unit End...

Страница 49: ... fan terminal is connected well Whether the fan is damaged Replace fan capacitor unavailable for DC fan Replace outdoor fan Whether outdoor ambient temperature is more than 53o C Whether radiation inside or outdoor the unit is good Whether outdoor fan operates normally Replace main board of outdoor unit End No Yes Yes Yes Yes No No No Remark When overload protection occurs under cooling mode it s ...

Страница 50: ...compressor wires are connected correctly Whether there re above circumstances Connect compressor wires according to correct wiring method Modify it according to Service Manual and then energize and turn on the unit Measure the resistance beween two phases of three phases of compressor Is resistance value normal Measure the resistance between three phase of compressor and copper pipe Is resistance ...

Страница 51: ...YLFH 0DQXDO 0DOIXQFWLRQ RI 3 3URWHFWLRQ 0DLQ FKHFN SRLQW Whether power supply is normal KHFN ÀRZ FKDUW Start Check whether power supply is normal Is power abnormal Replace main board of outdoor unit End Turn on the unit again after the power is resumed Yes No ...

Страница 52: ...nit or main board of outdoor unit is damaged KHFN ÀRZ FKDUW Communication malfunction De energize the unit and then check whether connection wires between indoor unit and outdoor unit and wiring inside the electric box are correct Are wires are connected correctly Replace main board of indoor unit Is malfunction eliminated End Replace main board of outdoor unit Connect wire correctly according to ...

Страница 53: ...e stop time for compressor is more than 3min Whether compressor wires are connected correctly The stop time for unit is not enough high pressure and low pressure of system are unbalanced please wait for 3min and then restart up the unit Whether the refrigerant volume is superﬂuous Please charge the refrigerant according to Service Manual Is malfunction eliminated Replace main board of outdoor unit...

Страница 54: ...re of the 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 eliminated No Yes No Yes No Yes No No No yes No Yes No Yes Yes Yes Yes Yes Yes Yes Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction ...

Страница 55: ...or fan etc HWHFWLRQ FLUFXLW PDOIXQFWLRQV RI SKDVH FXUUHQW RI FRPSUHVVRU 8 Hardware of main board is damaged Please replace main board EXVEDU YROWDJH LV WRR KLJK 3 ķ Input voltage is too high or unstable ĸ Hardware of main board is damaged EXVEDU YROWDJH LV WRR ORZ 3 ķ Input voltage is too low or unstable ĸ Hardware of main board is damaged 0DOIXQFWLRQ RI 2 8 IDQ ķ The wire terminal of outdoor fan ...

Страница 56: ...4 of maintenance method for details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 7URXEOHVKRRWLQJ IRU 1RUPDO 0DOIXQFWLRQ LU RQGLWLRQHU DQ W EH 6WDUWHG 8S 3RRU RROLQJ HDWLQJ IRU LU RQGLWLRQHU RUL RQWDO RXYHU DQ W 6ZLQJ Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug...

Страница 57: ...nit or there re parts touching together inside the outdoor unit There s abnormal sound fro outdoor unit Remove foreign objects Adjust all parts position of outdoor unit tighten screws and stick damping plaster between connected parts Short circuit inside the magnetic coil During heating the way valve has abnormal electromagnetic sound Replace magnetic coil Abnormal shake of compressor Outdoor unit...

Страница 58: ...SORGHG 9LHZ DQG 3DUWV LVW QGRRU 8QLW FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT 13 39 38 37 12 11 10 9 8 7 6 5 4 22 21 20 19 18 17 16 15 14 23 24 25 26 27 29 31 30 32 33 34 35 36 28 3 2 1 WGC 18 IT ...

Страница 59: ... Box Assy 1 25 Electric Box 1 26 Axile Bush 1 27 Indicator Light Cover 1 28 Indicator shield cover 1 29 Terminal Board 1 30 Jumper 1 31 Electric Box Cover2 1 32 Main Board 1 33 Display Board 1 34 Shield Cover of Electric box Cover 1 35 Electric Box Cover 1 36 Shield cover of Electric Box 1 37 Power Cord 38 Connecting Cable 0 39 Remote Controller Part Code WGC 18 IT 1 Above data is subject to chang...

Страница 60: ...ance 6HUYLFH 0DQXDO 37 36 35 14 12 11 10 13 8 28 29 24 16 25 9 15 17 18 19 6 22 23 5 27 3 4 2 1 20 21 7 30 32 33 26 31 34 FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT 38 WGC 24 IT ...

Страница 61: ... Motor 1 21 Crank 1 22 Guide Louver 1 23 Axile Bush 2 24 Electric Box 1 25 Terminal Board 1 26 Main Board 1 27 Electric Box Cover2 1 28 Shield Cover of Electric box Cover 1 29 Electric Box Cover 1 30 Indicator shield cover 1 31 Indicator Light Cover 1 32 Display Board 1 33 Shield cover of Electric Box 1 34 Electric Box Assy 1 35 Power Cord 36 Connecting Cable 0 37 Remote Controller 1 38 Cold Plasm...

Страница 62: ...WGC IT GC IT Model 18 24 Installation and Maintenance 6HUYLFH 0DQXDO 2XWGRRU 8QLW 22 9 8 7 6 4 2 1 16 14 13 12 11 20 19 18 17 23 25 26 27 32 31 29 3 5 28 30 21 15 10 24 GC 18 IT ...

Страница 63: ... 0713506703 0713506703 1 12 Cut off Valve 0713506803 0713506803 1 13 Handle 26235254 26235254 1 14 Magnet Coil 4300040045 4300040045 1 15 Wiring Clamp 26115004 26115004 1 16 Temperature Sensor 3900030901 3900030901 1 17 Rear Grill 01473043 01473043 1 18 Condenser Assy 01163935 01163935 1 19 Clapboard Assy 01233153 01233153 1 20 Coping 01255005P 01255005P 1 21 Supporting Board Condenser 01795010 01...

Страница 64: ...WGC IT GC IT Model 18 24 Installation and Maintenance 6HUYLFH 0DQXDO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 35 34 36 37 GC 24 IT ...

Страница 65: ...14 Cut off Valve 07133157 07133157 1 15 Baffle alve Support 01365435P 01365435P 1 16 Right Side Plate 0130504401P 0130504401P 1 17 Valve Cover 22245003 22245003 1 18 Big Handle 26235001 26235001 1 19 Wiring Clamp 26115004 26115004 1 20 Rear Grill 01475013 01475013 1 21 Condenser Assy 01163917 01163917 1 22 Reactor 23 Clapboard Assy 01233164 01233164 1 24 Condenser Support Plate 01175092 01175092 1...

Страница 66: ...s 2 Removing air ﬁlters If ON OFF button is kept pushing for 5 seconds a forced cooling operation will be carried out for ap prox 15 minutes Pull protrusions on left and right sides of panel with ﬁngers and open front panel all the way a Lift center section of air ﬁlter and disengage hooks b Left and right ﬁlters are interchangeable To re install insert air ﬁlter along the guide Remove air ﬁlter b...

Страница 67: ...er by the other hand Draw out the axial bush Bend the horizontal louver slightly and then remove it a Left and right ﬁlters are interchangeable To re install insert air ﬁlter along the guide Hook a ﬁnger onto the projection part provided on the both sides of the units panel and open up the panel to the position higher than it will stop b Remove the front panel from the unit c Guide Louver axial bu...

Страница 68: ...ded At the upper part there are 2 hooks in the left and the right Remove the 5 screws in the right and the left which ﬁx the main body with the front grille a Disengage the hooks by pressing knobs with a screwdriver Disengage the 3 hooks on the upper part In case that the hooks are not pressed from above remove the front panel and then remove the grille while pushing the hook through a clearance b...

Страница 69: ...Sensor Disconnect the connection wires Twist off the earthing screw ﬁxing the evaporator Pull out the all the wiring terminals b Pay attention to the direction of the retainer of the thermistor so that the retainer will not touch the harness same as the existing models Terminal board Connecting wires Heat exchanger thermistor Remove a screw on the electrical box c ...

Страница 70: ...DQXDO 6WHSV 3URFHGXUH 3RLQWV 7 Remove piping ﬁxture Remove Pipe Clamp a Loosen the screws in the right and the left which fix the Evaporator Assy Remove Evaporator Assy b Auxiliary piping Piping ﬁxture Adjust the pipeline slightly c Auxiliary piping Heat exchanger ...

Страница 71: ...the pressure plate of motor 9 Remove shaft cushion rubber base Remove screws of motor press plate and then remove the motor press plate Pressure plate of motor Shaft cushion rubber base Remove motor blade and shaft cushion rubber base Remove screws on cross ﬂow blade and then remove the motor Screw a b ...

Страница 72: ...panel the 3 screws connecting the top panel with the front panel and the right side plate and then remove the top panel 2 Remove grille panel and rear grill Remove the 2 screws connecting the grille and the panel and then remove the grille 6WHSV 3URFHGXUH 5HPRYDO 3URFHGXUH RI 2XWGRRU 8QLW DUQLQJ H VXUH WR ZDLW IRU D PLQLPXP RI PLQXWHV DIWHU WXUQLQJ RII DOO SRZHU VXSSOLHV DQG GLVFKDUJH WKH UHIULJHU...

Страница 73: ...he chassis and the motor support and then remove the panel 3 Remove left side plate and right side plate Remove the screws connecting the right side plate with the chassis the valve support and the electric box and then remove the right side plate assy Remove the screws connecting the left side plate and the chassis and then remove the left side plate assy panel rear grill right side plate leftsid...

Страница 74: ...ut the wiring terminals and then pull the electric box upwards to remove it Remove the 4 tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Remove the 2 tapping screws fixing the motor support and then pull the motor support upwards to remove it Remove the nuts fixing the blade and then remove the axial flow blade axial flow blade electric box...

Страница 75: ...oundproof sponge carefully soundproof sponge 7 Remove Isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet Isolation sheet 8 Remov e 4 way valve assy Discharge the refrigerant completely unsolder the pipelines connecting the compressor and the condenser assy and then remove the 4 way valve assy 4 way valve assy 6WHSV 3URFHGXUH ...

Страница 76: ...remove the compressor Remove the screws connecting the support condenser and condenser assy and then remove the support condenser 9 Remov e compressor compressor 10 Remove condenser sub assy 1 support capillary sub assy 2 Remove the chassis sub assy and condenser sub assy condenser sub assy chassis sub assy 6WHSV 3URFHGXUH ...

Страница 77: ...WGC IT GC IT Model 18 24 Installation and Maintenance 6HUYLFH 0DQXDO 2 Dissemble the chassis sub assy and condenser sub assy condenser sub assy chassis sub assy 6WHSV 3URFHGXUH ...

Страница 78: ...nel Remove the 3 screws connecting the top panel with the front panel and the right side plate and then remove the top panel top panel 2 Remove grille front side plate and panel Remove Remove the 1 screw connecting the front side plate and the panel and then remove the front side plate the 2 screws connecting the grille and the panel and then remove the grille 2 handle and valve cover grille front...

Страница 79: ...move the panel 3 Remove right side plate and left side plate Remove the screws connecting the right side plate with the chassis the valve support and the electric box and then remove the right side plate assy panel rightsideplate Remove the screws connecting the left side plate and the chassis and then left side plate remove the left side plate assy 6WHSV 3URFHGXUH ...

Страница 80: ...l out the wiring terminals and then pull the electric box upwards to remove it Remove the 4 tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Remove the 2 tapping screws fixing the motor support and then pull the motor support upwards to remove it electric box fan motor axial flow blade Remove the nuts fixing the blade and then remove the axi...

Страница 81: ...move the soundproof sponge carefully 7 Remove Isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the Isolation sheet Isolation sheet Discharge the refrigerant completely unsolder the pipelines connecting the compressor and the condenser assy and then remove the 4 way valve assy 4 way valve assy 4 way valve assy Connection Pipe 6WHSV 3URFHGXUH ...

Страница 82: ...emove the 2 bolts fixing the valve subassemblies Unsolder the welding joint connecting the gas valve and the return air pipe Remove the gas valve Note When unsoldering the soldering joint wrap the gas valve with wet cloth completely to avoid damage to the valve caused by high temperature Unsolder the welding joint connecting the liquid valve and the connecting pipe Remove the liquid valve Remove s...

Страница 83: ...WGC IT GC IT Model 18 24 Installation and Maintenance 6HUYLFH 0DQXDO 11 Remove condenser sub assy Remove the chassis sub assy and condenser sub assy chassis sub assy condenser sub assy 6WHSV 3URFHGXUH ...

Страница 84: ...6 55 4 13 79 80 78 8 26 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 8 6 66 67 66 2 19 90 89 6 32 45 44 6 7 68 69 68 20 91 92 91 4 33 46 47 46 4 8 70 71 69 8 21 93 94 93 2 34 48 49 48 2 9 72 71 6 22 95 96 95 35 50 51 50 10 73 74 73 4 23 97 98 96 ...

Страница 85: ...LQJ WR WKH IROORZLQJ VWHSV 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 prevent the burrs from getting into the pipe C Put on suitable insulating pipe D Put on the union nut Remove the union nut on the indoor connection pipe and outdoor valve install the unio...

Страница 86: ...758 6 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 2 064 116 0 642 0 49 02 39 8 297 78 1 997 117 0 625 1 46 6 40 7 967 79 1 933 118 0 608 2 44 31 41 7 653 80 1 871 119 0 592 3 42 14 42 7 352 81 1 811 120 0 577 4 40 09 43 7 065 82 1 754 121 0 561 5 38...

Страница 87: ...3 252 111 0 983 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 2 663 117 0 833 1 62 13 40 10 62 79 2 577 118 0 811 2 59 08 41 10 2 80 2 495 119 0 77 3 56 19 42 9 803 81 2 415 120 0 769 4 53 46 43 9 42 82 2 339 121 0 746 5 50 87 44 9 054 83 2 265 122 0 72...

Страница 88: ... 5 23 53 74 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 10 274 29 41 34 68 9 17 107 2 72 9 259 3 30 39 61 69 8 85 108 2 64 8 245 6 31 37 96 70 8 56 109 2 57 7 232 6 32 36 38 71 8 27 110 2 50 6 220 5 33 34 88 72 7 99 111 2 43 5 209 34 33 45 73 7 73 ...

Страница 89: ...Vidicon Ltd Commercial Air Conditioners R410A Systems ...

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