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Vivax ACP-12CH35GECI, Service Manual

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Vivax ACP-12CH35GECI Service Manual Download Page 97

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Steps

Procedure

4. Remove front grille

Remove connection screws connecting the chassis 
and the motor support and then remove the front 
panel.

Remove connection screws between the front grille 
and the front panel. Then remove the front grille.

front panel

front grille

right side plate

Remove connection screws connecting the right 
side plate with the valve support and theelectric 
box. Then remove the right side plate.

5. Remove front panel

6. Remove right side plate

Summary of Contents for ACP-12CH35GECI

Page 1: ...ACP 12CH35GECI ACP 18CH50GECI Service manual ENG RoHS NNO 1 09 ...

Page 2: ......

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Page 5: ...QG HDWXUHV QGRRU 8QLW 6XPPDU DQG HDWXUHV 2XWGRRU 8QLW 3 2 B 3 1 B 3 1 B 3 2 B 5HPRWH RQWUROOHU FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF X FAN HOUR HUMIDITY ON OFF MODE FAN X FAN TURBO TEMP TIMER SLEEP LIGHT ...

Page 6: ... repair work shall be performed by your dea ler or a specialized subcontractor as there is the risk of fire electric shock explosion or injury Have all wiring connected tightly Loose connection may lead to overheating and a possible fire hazard Make sure the outdoor unit is installed on a stable level surface with no accumulation of snow leaves or trash beside Make sure the ceiling wall is strong ...

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Page 11: ... 5DWLR FFRUGLQJ WR 7HPSHUDWXUH Cooling Heating 32 33 34 35 36 37 38 39 43 15 10 5 0 5 7 10 40 41 42 100 105 95 90 85 80 75 70 65 60 55 50 Outdoor temp C Capacity ratio 110 100 90 80 70 60 50 40 Outdoor temp C Capacity ratio Conditions Indoor DB20 C WB15 C Indoor air flow High Pipe length 5m Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m Cooling Heating 0 1 2 3 4 5 6 7 8 9 10 C...

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Page 15: ...T OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE COOLING HEATING Accumlator Discharge Suction Muffler 4 Way valve Capillary Strainer Strainer 5HIULJHUDQW SLSH GLDPHWHU LTXLG PP DV PP N DV PP N ...

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Page 17: ...AT OG INDC2 COMP 4YV X1 CAP RD BN COMP YE BU WH BK TEM SENSOR OUTTUBE OUTROOM TEM SENSOR EXHAUST TEM SENSOR YEGN PE FANMOTOR TERMINAL BLOCK 4 WAYVALVE C1 AP1 BU BK BN YEGN BN BU YEGN EKV FA Electronic YEGN FUT BN BASEHEATER SAT WH RT4 0 OUTTUBE2 TEM SENSOR Manual YEGN expansion OPTIONAL valve REACTOR N L POWER WARNING Pleasedon ttouchanyterminalwhenthe C H L voltageofterminalP DC andN DC atAP1ishi...

Page 18: ...PV DUH VXEMHFW WR FKDQJH ZLWKRXW QRWLFH SOHDVH UHIHU WR WKH RQH VXSSOLHG ZLWK WKH XQLW 3 2 the voltage of terminal DC and DC at risk of electrical shock PCB2 is higher than 30V to prevent the Please don t touch any terminal when WARNING 3 2 ...

Page 19: ...re 5 Terminal of PG motor 9 Terminal of communication between indoor and outdoor fans 2 Terminal of neutral wire 6 Terminal of up down swing 10 Terminal of jumper cap 3 Fuse 7 Feedback terminal of PG motor 11 Indoor ambient temperature sensor 4 Fan capacitor 8 Terminal of display board 12 Indoor tube temperature sensor ...

Page 20: ...nterface of neutral wire of cold plasma Interface of indoor fan Interface for feedback of indoor fan Interface of pipe temp sensor Interface of ambient tempsensor Interface of communication wire Interface of input live wire Interface of motor Interface of capacitor of fan Interface of display device 3 Ɣ 723 9 Ɣ 27720 9 ...

Page 21: ...minal of PG motor 9 Terminal of communication between indoor and outdoor fans 2 Terminal of neutral wire 6 Terminal of up down swing 10 Terminal of jumper cap 3 Fuse 7 Feedback terminal of PG motor 11 Indoor ambient temperature sensor 4 Fan capacitor 8 Terminal of display board 12 Indoor tube temperature sensor ...

Page 22: ...9 3 2 Interface of mainboard and wave filter Interface of temp sensor Interface of compressor Interface of outdoor fan Interface of overload protector of compressor Interface of live wire Interface of neutral wire Interface of 4 way valve ...

Page 23: ...MODE icon If MODE button is pressed current operation mode icon AUTO COOL DRY FAN or HEAT is only for heat pump models will show LOCK icon is displayed by pressing and buttons simultaneously Press them again to clear the display LIGHT icon is displayed by pressing the LIGHT button Press LIGHT button again to clear the display SLEEP icon is displayed by pressing the SLEEP button Press this button a...

Page 24: ...o increase set temperature Hold it down for above 2 seconds to rapidly increase set temperature In AUTO mode set temperature is not adjustable Press this button to decrease set temperature Hold it down for above 2 seconds to rapidly decrease set temperature In AUTO mode set temperature is not adjustable FAN This button is used for setting fan speed in the sequence that goes from AUTO to then back ...

Page 25: ...ng or button changes time setting Holding down either button rapidly changes time setting time setting range 0 5 24hours Press TIMER button again to confirm setting HOUR ON OFF stops blinking If there is not any operation of button within 5 seconds during HOUR ON OFF blinking TIMER setting will be cancelled TURBO Press this button to activate deactivate the Turbo function which enables the unit to...

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Page 34: ... hose and drain cap into the drain port mak ing sure that it comes in contact with the back of the drain port and then mount it If the drain hose is not connected properly leaking will occur Attach the Insulation Drain hose to the drain hose CAUTION Indoor unit tubing Flare nut Pipes Shield pipe Extension drain hose Inside the room Drain hose QVHUW WKH FRQQHFWLQJ FDEOH IXOO LQWR WKH WHUPLQDO EORFN...

Page 35: ...securely and vertically Incline inser tion will cause water leakage 2 When inserting be sure not to attach any material besides water If any other material is attached it will cause deterioration and water leakage 3 After removing drain hose be sure not to forget mounting drain cap 4 Be sure to fix the drain hose with tape to the bottom of piping 5 Prevent drain water frozen under low tempera ture...

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Page 49: ... F1 Cooling LEDpause 3s and blink 1 times Is it loose Measure the resistance value with universal meter 21 Overheat of carbon P8 heating LEDpause 3s and blink 19 times Is outdoor ambient temperature is too high Is radiator mounted correctly 8 Zero passage abnormal UF Heating and cooling LED blinks 7 times at the same time Replace indoor main board 22 DC overcurrent H5 Heating LED blink 5 times 9 O...

Page 50: ... the voltage between L and N of the wiring block XT with AC voltage gauge Malfunction diagnosis process Y Y Y N N N Y N Energize the unit and start it Voltage between L and N of indoor wiring block Voltage 200V Check the connecting state of the connecting terminal Reliable connection Replace main board of indoor unit remove the error remove the error Adjust connecting state Replace motor Check pow...

Page 51: ...ox Check connecting state of indoor temperature sensor reliable connected Adjust connecting state Remove error Remove error Remove error Replace temperature sensor Replace main board of indoor unit Adjust connecting stat Finish 2 Temperature sensor malfunction Main detection point Is outdoor ambient temperature within the normal range Is indoor and outdoor fan running normally Is the radiating env...

Page 52: ...Is compressor wire COMP UVW connected correctly Connect it according to line chart Replace parts if outdoor electric box Remove the error Replace compressor finish 3 Malfunction diagnosis of startup failure Main detection point Is wiring of compressor correct Is the stop time of compressor enough Is compressor damaged Malfunction diagnosis process ...

Page 53: ...l connected Is outdoor fan blocked by stuff Remove staff Reliable connected Remove error Remove error Remove error Replace compressor Replace compressor Replace outdoor fan Replace parts of outdoor electric box Replace parts of outdoor electric box Replace parts of outdoor electric box Adjust connecting wire 4 Diagnosis of losing synchronism for compressor Main detection point Is pressure of the s...

Page 54: ...ansion valve Adjust connecting wire Remove malfunction Replace parts of outdoor electric box Remove malfunction Refrigerant leakage recharge the refrigerant Finish 5 Diagnosis of overload and discharge malfunction Main detection point Is electric expansion valve well connected Is it damaged Is refrigerant leaked Is overload wire connection normal Malfunction diagnosis process ...

Page 55: ...munication error is displayed Is connecting wire reliably connected Replace main board of indoor unit Adjust connecting wire Remove malfunction Replace parts of outdoor electric box 6 Process of outdoor unit communication circuit detection ...

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Page 60: ...on is eliminated Replace the controller with one ofthe same model End no no no no yes yes Malfunction is removed no yes yes no Is the wiring terminal between temperature sensor and the controller loosened or poor ly contacted Is there short circuit due to tri pover of the pa rts Is the temperature sensor normal according to the Resistance Table Replace it with a temperature sensor of the same mode...

Page 61: ...e unit measure within 1 min after the louvers are opened whether the output voltage on the control terminal of the PG motor is over 50V No Yes No Is the malfunction eliminated No Is the malfunction eliminated No No No Yes Yes Yes Is the control terminal of PG motor loose Is the malfunction eliminated Is the malfunction eliminated H6 is displayed on the unit Possible causes 1 Fan motor is locked 2 ...

Page 62: ... Re insert the jumper cap The mainboard is defined abnormal replace it Yes No Yes End Is the malfunction eliminated No No Yes Replace the jumper cap No Yes Is the malfunction eliminated Is the malfunction eliminated Possible causes 1 There is no jumper cap on the controller 2 Jumper cap is not inserted properly and tightly 3 Jumper cap is damaged 4 Controller is damaged See the chart below ...

Page 63: ... 7URXEOHVKRRWLQJ 2XWGRRU XQLW H GHWHFWLRQ SRLQW Test1 Test2 Test3 Test4 Test5 Test6 Test7 Tset8 GND Test12 C A B D E F H I J K M Test10 N Test9 S T G Test13 Test11 Y Z ...

Page 64: ...rolytic capacitor C40 C40 12V power supply DC 12V 13V Test 7 Both ends ofelectrolytic capacitor C82 C82 5V power supply DC 5V Test 8 Both ends of electrolytic capacitor C225 C225 3 3V power supply DC 3 3V Test 9 Between S and T Communication circle power supply DC 15V 18V Test 10 Between point N and GND Terminal N of R78 to earth Outdoor unit signal receiver port Fluctuate between 0 3 3V Test 11 U...

Page 65: ...ing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut down the power and repair the power supply to restore the range 210VAC 250VAC power on and restart the unit If the fault is eliminated Shut down the power and wait 20 mi nutes or use DC voltmeter to measure the voltage on the...

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Page 67: ...tween the two ends of capacitor C2 until the voltage is lower than 20V Replace the capacitor C2 Then energize and start the unit Replace the control panel AP1 Take corrective actions according to Technical Service Manual and then energize and start the unit If there is any abnormality described above Replace the control panel AP1 If the connection between AP1 and COMP is unsecure or the connection...

Page 68: ... terminal OFAN is connected well 2 Test if resistance value of any two terminals is less than 1k with ohmic meter If the indoor and outdoor fan work well After the unit de energized for 20min Replace control board AP1 If the radiating of outdoor and indoor unit is well Improve the radiating environment of unit Replace outdoor fan Y Replace fan capacitor C1 Anti high temperature overload protection...

Page 69: ...well connected and connection sequence is correct Replace control board AP1 Replace the compressor If malfunction is removed If the stop time of compressor is more than 3min N If the stop time is not enough and the high and low pressure of system is not balance please start it after 3min Improve the connection situation of control board AP1 and compressor COMP connect it with wiring diagram N Y N ...

Page 70: ...y If the stop time of compressor is more than 3min Synchronism after energize the unit and start it Connect wire well Synchronism occurred during operation Replace control board AP1 If the radiating of unit is well Remove malfunction Improve the radiating of unit clean heat exchanger and increase ventilation Replace fan capacitor C1 Replace outdoor fan Y N N N Y Y N Replace control board AP1 Remov...

Page 71: ...ace EKV coil of electron expansion valve If the wiring terminal FA of electron expansion is well connected Remove malfunction The resistance value of first 4 l ead foot an d th e fifth lead foot is similar less than 100 After the unit de energized for 20min Remove malfunction Y N N N If the overload protector SAT is well connected N Under ambient temperature test the resistance of overload protect...

Page 72: ...hort circuit and replace it Y Re energize the unit and start it Cut the terminal of reactor test the resistance between two terminals of reactor with ohmic meter Replace the reactor Re energize the unit and start it Check the connection wire of reactor L of outdoor unit and PFC capacity If there is damaged short circuit Replace connection wire with circuit diagram Replace control board AP1 Y N N Y...

Page 73: ...nication circuit of outdoor unit Problem of communication circuit Check built in wiring of indoor and outdoor unit Connection correct Malfunction of circuit is detected with control board AP1 voltage Check connection wire of indoor and outdoor unit with circuit diagram Check connection wire of indoor and outdoor unit with circuit diagram If the unit is operation normal before malfunction Y N Y N I...

Page 74: ...nit malfunction Test voltage value with Test 13 18K 11 24K position in diagram with voltage meter Number jumping Test voltage value with Test 10 position in diagram with voltage meter Number jumping Test voltage value with Test 11 18K 13 24K position in diagram with volt age meter Y Y Y Y Number jumping The circuit of outdoor unit communication is normal Y N N N N End ...

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Page 78: ...charging cylinder n e p O n e p O n e p O with charging cylinder n e p O n e p O n e p O n e p O Works Shipping Air purging Installation Operation Pumping down Transfering Evacuation Servicing Gas charging Servicing Pressure check Servicing Gas releasing Servicing 1 2 3 4 5 6 Valve cap Open position Closed position Pin Service port Service port cap To outdoor unit Flare nut To piping connection To...

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Page 93: ...ssy Electric Box Ƶ The screw has reverse winding Remove the nuts fixing the blade and thenremove the axial flow fan Axial Flow Fan 4 Remove the axial flow fan fan motor xing frame Remove the 4 tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Re move the 2 tapping screws fixing the motor support and then pull the motor support upwards to remo...

Page 94: ...ring the soldering joint wrap the valve with wet cloth completely to avoid the damage to valve due to high temperature Ƶ Before working make sure that the refrigerant is empty in the circuit Ƶ Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Ƶ Soundproof sponge isolation sheet Discharge the refrigerant completely unsolder the p i p e l i n e s c o ...

Page 95: ...n compressor and then remove the compressor Dissemble the chassis sub assy and condenser sub assy 10 Remove condenser sub assy compressor Remove the screws con necting the support con denser and condenser assy and then remove the support condenser support 2 1 condenser sub assy chassis sub assy ...

Page 96: ...for a minimum of 10 minutes after 3 Steps Procedure 1 Before disassembly and then remove the handle big handle top panel Remove connection screws connecting the top panel with the left side plate and the right side plate and then remove the top panel 2 Remove big handle 3 Remove top cover plate ...

Page 97: ...ove the front panel Remove connection screws between the front grille and the front panel Then remove the front grille front panel front grille right side plate Remove connection screws connecting the right side plate with the valve support and theelectric box Then remove the right side plate 5 Remove front panel 6 Remove right side plate ...

Page 98: ...sy electric box assy Remove the nut on the blade and then remove the assy loosen the wire bundle pull out the wiring terminals and then pull the electric box upwards to remove it Remove screws on fireproof electric box and then remove the fireproof electric box ...

Page 99: ...move the isolation sheet disconnect the leading wire insert of the motor Then remove the motor Remove the 2 tapping screws remove it isolation sheet motor support motor soundproof sponge top Remove the soundproof sponge top 9 Remove isolation sheet 10 Remove soundproof sponge ...

Page 100: ...e welding joint between the gas valve and the air return pipe to remove the gas valve unsolder the welding joint connecting the liquid valve to the Y type pipe to remove the liquid valve Discharge the refrigerant completely unsolder the pipeline connecting the compressor and the condenser assy and then remove the 4 way valve assy 11 Remove magnet coil 12 Remove liquid valve and gas valve ...

Page 101: ...cedure 13 Remove valve support Remove the 3 foot nuts on the compressor and then remove the compressor Remove connection screws connecting the chassis and then remove the valve support valve support compressor 14 Remove compressor ...

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