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Vivax ACP-12CH35GEXI Service Manual Download Page 58

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1. Check if fan 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

Normal protection, please use 

it after improve the outdoor 

ambient temperature

If the outdoor ambient temperature is 

higher than 53 ºC?

N

Y

N

Y

N

End

Summary of Contents for ACP-12CH35GEXI

Page 1: ...ACP 12CH35GEXI Service manual ENG RoHS ...

Page 2: ......

Page 3: ...ACP 12CH35GEXI I ACP 12CH35GEXI O FAN MODE ON OFF ACP 12CH35GEXI ACP 12CH35GEXI I ACP 12CH35GEXI O ...

Page 4: ... 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 ...

Page 5: ...ACP 12CH35GEXI ...

Page 6: ...ACP 12CH35GEXI O ...

Page 7: ...ć WB19ć Outdoor DB35ć WB24ć Indoor air flow Super High Pipe length 5m Condition Indoor DB20ć Outdoor DB7ć Indoor air flow Super High Pipe length 5m 0 20 33 35 37 39 41 43 45 18 14 10 6 2 2 6 10 40 60 80 100 120 140 160 180 200 Outdoor temp ć Capacity ratio 09K 12K Condition Indoor DB27ć WB19ć Indoor air flow Super High Pipe length 5m 0 20 40 60 80 100 120 140 160 180 200 Outdoor temp ć Capacity ra...

Page 8: ...QJ 10 15 20 25 30 35 40 45 50 Super High Indoor fan motor rotating speed rps Indoor Unit Outdoor Unit Noise dB A 09K 12K 30 35 40 45 50 55 Compressor speed rps Noise dB A 09K 12K High Middle Low Quiet 0 8 20 30 40 50 60 70 80 90 7HPSHUDWXUH FRQGLWLRQ ć 0RGHO QDPH 6WDQGDUG SUHVVXUH HDW H FKDQJHU SLSH WHPS QGRRU IDQ PRGH 2XWGRRU IDQ PRGH RPSUHVVRU UHYROXWLRQ QGRRU 2XWGRRU 3 03D 7 ć 7 ć WR WR 6XSHU L...

Page 9: ... QPUVTWEVKQP 8KGYU RQVWUXFWLRQ 9LHZV QGRRU 8QLW 8QLW PP 4 5 6 0RGHO 3DQHO ACP 12CH35GEXI I ...

Page 10: ...ACP 12CH35GEXI O ...

Page 11: ...rge Suction Strainer Electron expansion valve 5HIULJHUDQW 6 VWHP LDJUDP 5HIULJHUDQW SLSH GLDPHWHU LTXLG PP DV PP INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE COOLING HEATING Accumlator Discharge Suction 4 Way valve Electron expansion valve Strainer Strainer RROLQJ 2QO 0RGHOV RROLQJ DQG HDWLQJ 0RGHOV ...

Page 12: ...LW RT2 RT1 0 RECEIVER AND DISPLAY BOARD FAN M1 MOTOR DC MOTOR CONN WIRE YEGN 0 PE M2 M4 M3 EVAPORATOR BOARD TERMINAL RING MAGNETIC MOTOR U D2 MOTOR U D1 MOTOR L R PRINTED CIRCUIT BOARD SWING SWING LR SWING SWING UD2 AP1 DISP2 DISP1 POWER N L BN BK YEGN GN BU WH BK N YEGN COM OUT 3 2 OUTDOOR UNIT N 1 BN BU XT1 PE L L ROOM TUBE K7 SWING UD1 AP2 SWING TEMP SENSOR TUBE ROOM TEMP SENSOR CAP JUMP L OUT ...

Page 13: ...C COMP CN2 HP P HPP W13WH COMP W COMP V COMP U L3 L LX 1 W11 OG LX 2 L4 W12 WH L3 L4 COMP M XT2 RT5 0 0 RT4 0 RT3 2 3 N 1 OFAN1 E R E C S PE CT1 2 AP1 W1BN W4BK W2BU W3YEGN W10RD W8YEGN BN BK BU YEGN W5BU W6YE W7RD N1 AC L1 N2 N3 COMU W9BU EKV CN1 PE PE PE INDOOR UNIT Ɣ 2XWGRRU 8QLW ACP 12CH35GEXI O ...

Page 14: ...ion 4 Small up down swing interface 5 Left and right swing 6 Big up down swing interface 7 Display interface 8 Ambient temp sensor 9 Tube temp sensor 10 Outdoor unit live wire 11 Input interface of live wire for indoor unit 12 Health 13 Fuse 14 Interface of neutral wire for indoor and outdoor units 15 Communication interface of indoor and outdoor units ...

Page 15: ...ter of chassis 10 Live wire of 4 way valve 13 Temp sensor 2 Input of live wire of power 5 Interface 2 of electric reactor 8 Neutral wire of electric heater of compressor 11 Live wire of electric heater 14 U V W three phases of compressor 3 Communication interface 6 Interface of fan 9 Neutral wire of 4 way valve 12 Input of overload 15 Input of ground wire of power ACP 12CH35GEXI O ...

Page 16: ...ndoor temperature outdoor ambient temperature displaying outdoor tempe rature if there no outdoor ambient ON OFF AUTO COOL DRY FAN only for cooling and heating unit ƽ Press this button Auto Cool Dry Fan Heat mode can be selected circularly MODE button MODE Auto mode is default while power on Under Auto mode the temperature will not be displayed Under Heat mode the HEAT initial value is 28ć Under o...

Page 17: ...FAN or HEAT mode button can turn on or turn off the Turbo TURBO button TURBO function After the Turbo function turned on the signal of Turbo will display The signal will be automatically cancelled if Presetting temperature can be increased button set up continuously press this button and hold for two seconds the relative o F signal will be displayed all the time under the Auto mode but the order c...

Page 18: ...inutes When repress this button this function will be turned off HEALTHY AND SCAVENGING BUTTON and Timer On setting Signal ON will blink and display signal will conceal the numerical section will become the timer on setting status During 5 seconds blink by pressing or button to adjust the time value of numerical section every press of that button the value will be increased or decreased 1 minute H...

Page 19: ...after that the unit will keep on running under this temperature 2 When setting the initial temperature 24ć 2 7ć after turned on Sleep function the temperature will be increased 1ć in every hour after 2ć the temperature will be maintained after 7hours the temperature will be decreased 1ć after that the unit will keep on running under this temperature 3 When setting the initial temperature 28ć 29ć a...

Page 20: ...tting finished sleep curve setting finished at this time the remote control will resume the original timer display temperature 88 will display the corresponding temperature of last setting sleep curve and blink The first entering will display according to the initial curve setting value of original factory or 8hours the place of setting temperature 88 will display the corresponding temperature of ...

Page 21: ...on to set the desired temperature It is unnecessary to set the temp 2 Press MODE button select desired running mode Note When it is powered on the guide louver of main unit will close automatically 1 After powered on press ON OFF button the unit will start to run Guide for operation Optional operation 5 at AUTO mode ƾ ƾ About lock Press and buttons simultaneously to lock or unlock the keyboard If ...

Page 22: ...function will be attached and stared different Quiet status could be optional and turned off Fig 1 Fig 2 1 Slightly to press the place with along the arrowhead direction to push the back cover of wireless remote control As show in Fig 1 2 Take out the old batteries 3 Insert two new AAA1 5V dry batteries and pay attention to the polarity As show in Fig 2 4 Attach the back cover of wireless remote c...

Page 23: ...e 2 2 1 Dry Conditions and Process 2 3 Heating mode not available for cooling only type 2 3 1 Heating conditions and process When Tamb Tpreset 2ć the unit starts heating operation In this case compressor and outdoor fan operate simultaneously the indoor fan operates at cold air prevention mode When Tamb Tpreset 5ć the compressor and outdoor fan stop operation the indoor fan blows residual heat Whe...

Page 24: ...ate at cooling mode the default set temperature is 25ć 2 5 2 When Tamb 21ćˈ the unit will operate at heating mode the default set temperature is 20ć if the cooling only unit operates at fan mode the default set temperature is 25ć 2 5 3 When 22 ć Tamb 25ćˈand the unit is turned on for the first time if it changes to auto mode from other mode the previous operation mode will be maintained If it chan...

Page 25: ...ˈ indoor fan will operate at low speed Note The switchover among superhigh speed high speed medium speed and low speed requires minimum 210seconds of operation 2 7 4 In this mode set temperature will be automatically adjusted according to actual operation conditions 3 Other Control 3 1 Timer function General timer and clock timer functions are compatible by equipping remote controller with differe...

Page 26: ...e cold plasma and static dedusting will be forced to be turned on and other loads will be turned off Then the complete unit will be turned off When X FAN function is set to be off once pressing ON OFF button the complete unit will be turned on immediately 3 6 2 During X FAN operation press X FAN button the indoor fan horizontal louver cold plasma and static dedusting will be turned off immediately...

Page 27: ...ion O to close air outlet If swing function has not been set after startup of the unit horizontal louver will turn clockwise to position D in HEAT mode or turn clockwise to level position L in other modes If swing function is set when starting up the unit the horizontal louver will swing between L and D There are 7 swing status of horizontal louver Positions L A B C and D swing between L and D and...

Page 28: ...ing to the temperature sensed by the air conditioner If I FEEL function is not selected the ambient temperature will be that sensed by the air conditioner Ambient temperature of I FEEL displayed by controller is 1 59 ć ć 3 13 Health and Cold Plasma Function When the unit is operating turn health or cold plasma to be ON OFF by health button in remote control if there is no such button in remote con...

Page 29: ...ching the temperature point in heating 6 2 Under this mode the temperature setting range is 16 30ć 7 Defrosting control heating mode 7 1 If it turns to defrosting time and it detected that the defrosting temperature is satisfied for 3mins successively the unit turns into defrosting process 7 2 Defrosting starting compressor stops operation and restart it up after 55s delayed 7 3 Defrosting ending ...

Page 30: ... operation frequency of compressor may decrease or increase 14 2 If 17A IAC current the system will stop operation because of overcurrent the complete unit can resume operation only after the compressor stops for 3min 14 3 If the unit is stopped because of overcurrent for 6 times successively it can t resume operation automatically which can only be resumed by pressing ON OFF button During operati...

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Page 33: ...5cm Above 15cm Above The dimensions of the space necessary for proper installation of the unit include the minimum permissible distances to adjacent parts Space to the wall 200cm Above 30cm Above Space to the obstruction Air outlet side e v o b 50cm A Space to the wall Air inlet side 30cm Above 50cm Above Above 300cm QVWDOODWLRQ UDZLQJ ...

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Page 46: ...er 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 model ...

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Page 48: ...y Is malfunction eliminated Reinsert the wiring terminal of indoor fan It s the malfunction of main board Replace the main board with the same model It s the malfunction of main board Replace the main board with the same model It s the malfunction of main board Replace the main board with the same model Start Whether the blade can operate smoothly Energize and restart upthe unit test whether the v...

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Page 50: ...matching jumper cap No Is the jumper cap inserted incorrectly or improperly Re insert the jumper cap The mainboard is defined abnormal replace it Yes No Yes End Is the malfunction eliminated Yes No No Yes Replace the jumper cap No Yes Is the malfunction eliminated Is the malfunction eliminated ...

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Page 55: ...ng 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 57: ...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 58: ... 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 59: ...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 60: ...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 61: ...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 62: ...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 63: ...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...

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Page 67: ... EHIRUH GLVDVVHPEO 1 Before disassembling the unit Before disassembling the unit 2 Remove filter Open the panel Loosen the clasps on filter push the filter inward and then pull it upward then the filter can be removed 1 2 3 Remove guide louver Remove the axial bushing of big guidelouver 1 axial bushing Steps Procedure 1RWH WDNHV IURQW SDQHO DV H DPSOH ...

Page 68: ... to remove it 2 3 Remove the axial bushing of small guidelouver Remove the rotating shaft of small guide louver from the groove slightly bend the small guide louver to remove it 4 big guide louver axial bushing small guide louver 4 Remove panel 1 Loosen the clamps of the panel to remove the panel Steps Procedure ...

Page 69: ... Remove front case 1 Remove the screws fixing electric box cover 2 to remove the electric box cover 2 electric box cover 2 screw 2 Remove the screws fixing front panel loosen the clamps to remove the front panel screw clamp front panel Steps Procedure ...

Page 70: ...emove the swing connecting rod 2 remove the swing fan blade 1 Remove the indoor tube temp sensor 2 Remove the screws fixing earth wire to remove the earthwire swing fan blade clamp clamp swing connecting rod 7 Remove electric box sub assy heat exchanger thermistor screw earth wire Steps Procedure ...

Page 71: ...nals and remove the electric box cover sub assy 1 Remove the screws fixing connection pipe clamp to remove the connection pipeclamp 7 Remove evaporator sub assy electric box cover sub assy screw electric box cover screw auxiliary piping pipe clamp screw Steps Procedure ...

Page 72: ...tor sub assy slightly regulate the tube to remove the evaporator sub assy 1 motor to remove the motor 2 to remove the motor 8 Remove cross fan blade and motor auxiliary piping evaporator sub assy up down swing motor left right swing motor Steps Procedure ...

Page 73: ...tor clamp to remove the motor clamp 4 Remove the cross fan blade and motor 5 Remove the shafting bearing cushionrubber base 6 bladeandmotor and then remove the motor screw motor clamp bearing cushion rubber base cross fan blade motor Steps Procedure ...

Page 74: ...connecting top cover left and right side plate as well as panel to remove the top cover 2 Remove top cover top cover Remove the screws connecting handle and right side plate to remove the handle 3 Remove handle handle Model ACP 12CH35GEXI O ...

Page 75: ...nel to remove the panel Remove the screws connecting panel grille and panel loosen the clamp to remove the panel grille 4 Remove panel and grille panel grille Remove the screw fixing valve cover to remove the cover 5 Remove valve cover valve cover ...

Page 76: ...move left side plate left side plate Remove the screw nut fixing cross fan blade remove the gasket and spring cushion to remove the cross fan blade 7 Remove cross fan blade cross fan blade Remove the screws fixing right side plate and valve support to remove the right side plate 8 Remove right side plate right side plate ...

Page 77: ...ric box assy cover electric box Remove the screws fixing electric reactor to remove the electric reactor 10 Remove electric reactor electric reactor Remove the four tapping screws fixing motor pull out 11 Remove motor and motor support the contact tag of motor wiring to remove the motor Remove the two tapping screws fixing motor support and chassis lift to remove the motor support motor support mo...

Page 78: ...oard Welding cut the spot weld of four way valve assy compressor air suction discharging valve and condenser pipe outlet lift to remove the four way valve assy Note release the refrigerant before welding cutting 13 Remove four way valve assy four way valve assy Remove the three feet screw nuts fixing compressor to remove the compressor 14 Remove compressor compressor ...

Page 79: ... Remove screws connecting condenser assy and chassis to remove the condenser assy Remove the screws fixing big and small valve to remove the valves 15 Remove big and small valve assy condenser assy small valve big valve ...

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