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Vivax ACP-12CH35GEXI Service Manual
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Vivax ACP-12CH35GEXI Service Manual

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Service
manual
ACP-12CH35GEXI
RoHS

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Summary of Contents for Vivax ACP-12CH35GEXI

  • Page 1 Service manual ACP-12CH35GEXI RoHS...
  • Page 3 MODE ON/OFF ACP-12CH35GEXI/I ACP-12CH35GEXI/O ACP-12CH35GEXI/O ACP-12CH35GEXI ACP-12CH35GEXI/I...
  • Page 4 Installing, starting up, and servicing air conditioner can be Make sure the outdoor unit is installed on a stable, level hazardous due to system pressure, electrical components, surface with no accumulation of snow, leaves, or trash and equipment location, etc. beside.
  • Page 5 ACP-12CH35GEXI...
  • Page 6 ACP-12CH35GEXI/O...
  • Page 7 Cooling Heating Condition Condition Indoor:DB20 Indoor:DB27 WB19 Outdoor:DB7 Outdoor:DB35 WB24 Indoor air flow:Super High Indoor air flow: Super High Pipe length: 5m Pipe length: 5m Compressor speed (rps) Compressor speed (rps) Cooling Heating Condition Condition Indoor:DB20 Indoor:DB27 WB19 Indoor air flow:Super High Indoor air flow: Super High Pipe length: 5m Pipe length: 5m...
  • Page 8 Indoor Unit Outdoor Unit Super High High Middle Quiet Indoor fan motor rotating speed (rps) Compressor speed (rps)
  • Page 9 ACP-12CH35GEXI/I...
  • Page 10 ACP-12CH35GEXI/O...

  • Page 11: Indoor Unit

    INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE Di s charge HEAT EXCHANGER (EVAPORATOR) Suction Accumlator COMPRESSOR HEAT EXCHANGER (CONDENSER) LIQUID SIDE Electron expansion valve Strainer 2-WAY VALVE COOLING INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE 4-Way valve Di s charge HEAT EXCHANGE (EVAPORATOR)
  • Page 12 ACP-12CH35GEXI/I MAGNETIC RECEIVER AND POWER RING ROOM TUBE DISPLAY BOARD BN(BK) TEMP.SENSOR TEMP.SENSOR BU(WH) YEGN(GN) CONN WIRE N(1) TUBE ROOM DISP1 DISP2 COM-OUT YEGN TERMINAL AC-L L-OUT BOARD JUMP PRINTED CIRCUIT BOARD YEGN YEGN EVAPORATOR SWING-LR SWING-UD1 SWING-UD2 DC-MOTOR SWING...
  • Page 13 ACP-12CH35GEXI/O COMP W8YEGN CT1,2 COMP EXHUAST TUBE OUTROOM W9BU TEM.SENSOR TEM.SENSOR TEM.SENSOR W3YEGN W10RD W5BU W6YE W7RD COMP-U COMP-V COMP-W YEGN OVC-COMP W2BU N(1) W4BK COMU W1BN AC-L1 OFAN1 LX-2 LX-1 W13WH...
  • Page 14 DC fan Microswitch Electrostatic precipitation Small up&down swing interface Left and right swing Big up&down swing interface Display interface Ambient temp. sensor Tube temp. sensor Outdoor unit live wire Input interface of live wire for indoor unit Health Fuse Interface of neutral wire for indoor and outdoor units Communication interface of indoor and outdoor units...
  • Page 15 ACP-12CH35GEXI/O Input of neutral Interface 1 of Neutral wire of electric Live wire of 4-way 13 Temp sensor wire of power electric reactor heater of chassis valve Input of live Interface 2 of Neutral wire of electric Live wire of electric...

  • Page 16: Fan Button

    Signal transmitter FAN button Press this button, Auto, Low , Medium-low Medium, Medium-high, High speed can be powered on, Auto circularly selected. After fan speed is default. Under DRY mode, Low fan speed only can be set up. Remote control AUTO Medium-low fan Low fan...
  • Page 17 Note: Besure that there are no obstructions between receiver and remote controoler; Don't drop or throw the remote control; Don't let any liquid in the remote control and put the remote control directly under the sunlight or any place where is very hot. X-FAN X-FAN button ●...

  • Page 18: I Feel Button

    This wireless remote control is universal, and it could be used for many units, some buttons of this control which are not available to this unit will not be described below. TIMER ON TIMER ON BUTTON Timer On setting: Signal “ON”will blink and ●...

  • Page 19: Sleep Button

    Press this button, can select Sleep 1 ( ), Sleep 2 ( ● Sleep 3 ( ) and cancel the Sleep, circulate between these, after electrified, Sleep Cancel is defaulted. Sleep 1 is Sleep mode 1, in Cool, Dehumidify modes: sleep status ●...
  • Page 20 (3) Under the initial presetting temperature 21 27 , after Sleep function started up, the temperature will decrease 1 in every hour, after 2 decreased, this temperature will be maintained. (4) Under the initial presetting temperature 28 , after Sleep function started up, the temperature will decrease 1 every hour, after 3 decreased, this temperature will be maintained.
  • Page 21 Guide for operation- general operation 1. After powered on, press ON/OFF button, the unit will start to run. (Note: When it is powered on, the guide louver of main unit will close automatically.) 2. Press MODE button, select desired running mode. 3.
  • Page 22 About switch between Fahrenheit and Centigrade Under status of unit off, press MODE and - buttons simultaneously to switch℃ and ℉. Combination of " TEMP" and "CLOCK" buttons : About Energy-saving Function Press “TEMP” and “CLOCK” simultaneously in COOL mode to start energy-saving function.Nixie tube on the remote controller displays “SE”.
  • Page 23 Indoor Unit ● 1Temperature Parameters Indoor preset temperature (Tpreset) Indoor ambient temperature (Tamb.) 2 Basic functions (The temperature in this manual is expressed by Centigrade. If Fahrenheit is used, the switchover between them is Tf=TcX1.8+32.) Once the compressor is energized, there should be a minimum interval of 3 minutes between two start-ups. But if the unit is de-energized and then energized, the compressor can restart within 3 minutes.
  • Page 24 Start heating Tpreset +5 ˚C Previous running status Tpreset +2 ˚C Tamb. Start heating 6 min. 3 min. 6 min. Compressor Blow residual Outdoor unit Blow residual heat heat Indoor unit 2 min. 2 min. 4-way valve Stop 2.3.2 Defrosting and Oil Return When receiving the signal of defrosting and oil return, the horizontal louver(big one) will rotate to the position where the angle is minimum and the other horizontal louver(small one) will close.
  • Page 25 When 9 Tindoor amb. 11 , indoor unit will operate at medium speed; When Tindoor amb.≥11 indoor fan will operate at low speed; When changing among low high, medium, and low speeds, the minimum operation time is 210 seconds. 2.6.5 If the unit has memory function, 8 heating function will be memorized. Tamb.
  • Page 26 Timer Change Although timer has been set, the unit still can be turned on/off by pressing ON/OFF button of the remote controller. You can also set the timer once again, and then the unit will operate according to the last setting. If timer ON and timer OFF are set at the same time during operation of the unit, the unit will keep operating at current status till OFF time reaches.
  • Page 27 Tamb. Tpreset +3 Tpreset Tpreset -2 High Med. Mute Fan s eed 3.8 Vertical Swing 3.8.1 Small Horizontal Louver After energization, vertical swing motor will firstly have the horizontal louver rotate anticlockwise to position O to close air outlet. If swing function has not been set after startup of the unit, horizontal louver will turn clockwise to position D1 in HEAT mode.
  • Page 28 This position is start point 3.10 Display 3.10.1 Operation and Mode Icons Upon energization, the unit will display all icons within 3 seconds. Under standby state, LED lamp of standby is on. If the unit is turned on by remote controller, LED lamp of operation is on; meanwhile, the mark of current running mode will be displayed. If the light button is turned off, no mark will be displayed.
  • Page 29 ● Outdoor Unit 1. Compensation function of input parameters According to the structure of wall-mounting unit, considering the comfortability for operation, indoor ambient temperature when the compressor is at OFF status is higher than set temperature under heating mode. 2. Control of detecting the availability of parameters For ensuring the safety and reliability of operation, please insert the outdoor discharge temperature sensor into the corresponding temperature sensor bushing to make sure that the control system can detect system discharge temperature accurately.
  • Page 30 11.2 Under cooling or drying mode, if T <6, the operation frequency of compressor may increase or decrease; inner tube 11.2.1 If the unit is stopped because of freeze protection for 6 times successively, it can’t resume operation automatically and the malfunction will be displayed continuously, which can only be resumed by pressing ON/OFF button.
  • Page 33 Space to the ceiling 15cm Above Space to the wall 15cm Above 15cm Above Space to the wall 300cm Above Above Air outlet side Space to the floor The dimensions of the space necessary for proper ● installation of the unit include the minimum permissible distances to adjacent parts.
  • Page 34 Wall Wall Mark on the middle of it Gradienter Space Space to the to the wall wall above above Right Left Ф55 Ф55 (Rear piping hole) (Rear piping hole) Outdoor Indoor Wall pipe Seal pad outlet pipe of indoor unit outlet pipe of indoor unit drain hose...
  • Page 35 External connection Gas side pipe electric wire Liquid side piping Tailing 2 Gas side piping Tailing 1 Liquid side insulation Piping insulation Finally wrap it Fig.3 Water drainage pipe with tape Left Left rear Right Right rear Fig.4 Fixing hook Mounting plate Mounting...
  • Page 36 Manifold Valve Multimeter Manometer -76cmHg Hi handle Lo Handle Charging hose Low pressure valve Fig.6 Vacuum pump 09K TA UNIT: Drain-water hole Bottom frame 09、12K TB UNIT: Didney holes Drain-water hole Bottom frame Drain plug Drain connecter Hose (available commercially, inner dia.
  • Page 37 Fig. a Fig. b Air filter Healthy filter Fig. c...
  • Page 46 Start Is the wiring terminal between temperature sensor and the controller loosened or poor ly contacted? Insert the temperature sensor tightly M alfunction is eliminated. Is there short circuit due to tri-pover of the pa rts? Make the parts upright Malfunction is eliminated.
  • Page 48 Start Pull the blade by hand under de-energization status Adjust the motor and Whether the blade assembly to let blade can operate the motor can operate smoothly smoothly Is malfunction eliminated Check whether the Reinsert the wiring wiring terminal between terminal of indoor fan indoor fan and main board is loose...
  • Page 50 C5 is displayed on the unit. Install a matching Is there jumper cap on the jumper cap . controller? Is the malfunction eliminated? Re-insert the jumper Is the jumper cap inserted incorrectly or improperly? Is the malfunction eliminated? Replace the jumper Is the malfunction eliminated?
  • Page 52 Poor contact of any line may lead to communication malfuntion. Is there incorrect match between the main board and the display panel or between the indoor and outdoor boards? Is there incorrect connection?
  • Page 53 Test4 Test5 Test3 Test2 Test1 Test8 Test9 Test7 Test6...
  • Page 55 Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage Replace the control testing circuit on Voltage higher than 200V? panel AP1 control panel AP1 Measure the AC voltage between terminal L and N on wiring board XT(power supply)
  • Page 57 Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring machine has run for terminal L and N restore it to board XT is within a period of time?
  • Page 58 Anti-high temperature, overload protection Normal protection, please use If the outdoor ambient temperature is it after improve the outdoor higher than 53 ºC? ambient temperature After the unit de- energized for 20min Improve the If the radiating of outdoor radiating environment of and indoor unit is well? unit...
  • Page 59 Energize the unit and start it If the stop time is not enough and the If the stop time of compressor high and low pressure of system is not is more than 3min? balance , please start it after 3min Improve the connection situation If the compressor wire COMP(UVW) is of control board AP1 and...
  • Page 60 Synchronism Synchronism after energize the unit occurred during and start it operation Check if the fan Replace fan If the stop time of If the outdoor fan works terminal OFAN is capacitor C1 compressor is more than normally? connected well 3min Replace Improve the radiating...
  • Page 61 After the unit de-energized for 20min If the overload protector SAT is well connected? Under ambient temperature, test the resistance of overload protector with ohmic Connect wire If the wiring terminal FA of electron well with wiring expansion is well connected? diagram The resistance value of firs t 4 l e ad fo ot an d th e...
  • Page 62 Start Check the connection wire of reactor (L) of outdoor unit and PFC capacity Replace connection If there is damaged If the malfunction is wire with circuit short circuit removed? diagram Remove PFC capacity and test resistance of two terminals Capacity is Re-energize short...
  • Page 63 Start If the unit is operation normal before malfunction Check connection wire of indoor and outdoor unit with circuit diagram Check built- in wiring of Connection indoor and correct? outdoor unit Malfunction of Check connection circuit is If the wiring is wire of indoor and detected with outdoor unit with...
  • Page 67 Steps Procedure 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. 3.Remove guide louver Remove the axial bushing of big guidelouver.
  • Page 68 Steps Procedure Remove the rotating shaft of big guidelouver from the groove, slightly bend thebig guide louver to remove it. big guide louver Remove the axial bushing of small guidelouver. axial bushing Remove the rotating shaft of small guide louver from the groove, slightly bend the small guide louver to remove it.
  • Page 69 Steps Procedure panel, to remove the display. 5.Remove front case Remove the screws fixing electric box cover 2, to remove the electric box cover electric box cover 2 screw screw clamp Remove the screws fixing front panel, loosen the clamps, to remove the front panel.
  • Page 70 Steps Procedure 6.Remove swing fan blade Loosen the clamps fixing swing connecting rod, to remove the swing connecting rod. clamp swing connecting rod clamp remove the swing fan blade. swing fan blade 7.Remove electric box sub-assy heat exchanger thermistor Remove the indoor tube temp. sensor. earth wire Remove the screws fixing earth wire, to remove the earthwire.
  • Page 71 Steps Procedure to remove the cover. electric box cover electric box cover sub-assy screw Remove every wiring terminals, and remove the electric box cover sub-assy. 7.Remove evaporator sub-assy auxiliary piping pipe clamp Remove the screws fixing connection pipe clamp, to remove the connection pipeclamp. screw screw...
  • Page 72 Steps Procedure auxiliary piping Remove the screws fixing evaporator sub-assy, slightly regulate the tube, to remove the evaporator sub-assy. evaporator sub-assy 8.Remove cross fan blade and motor motor, to remove the motor. up&down swing motor to remove the motor. left&right swing motor...
  • Page 73 Steps Procedure Remove the screws fixing motor clamp, to remove the motor clamp. screw motor clamp Remove the cross fan blade and motor. bearing cushion rubber base Remove the shafting bearing cushionrubber base cross fan blade motor bladeandmotor, and then remove the motor.
  • Page 74 Model: ACP-12CH35GEXI/O 1. Before disassembly 2. Remove top cover Remove the screws connecting top cover, left and right side plate, as well as panel, to remove the top top cover cover. 3. Remove handle Remove the screws connecting handle and right side plate, to remove the handle.
  • Page 75 4. Remove panel and grille Remove the screws fixing panel, to remove the panel. Remove the screws connecting panel grille and panel, loosen the clamp, to remove the panel grille. panel grille 5. Remove valve cover Remove the screw fixing valve cover, to remove the cover.
  • Page 76 6. Remove left side plate Remove the screws fixing left side plate and condenser support board, to remove the left side plate. left side plate 7. Remove cross fan blade Remove the screw nut fixing cross fan blade, remove the gasket and spring cushion, to remove the cross fan blade.
  • Page 77 9. Remove electric box assy electric box cover Remove screws fixing electric box assy and mid-isolation board, loosen the bonding tie, pull off the wiring terminal, lift to remove the electric box assy. electric box assy 10. Remove electric reactor Remove the screws fixing electric reactor, to remove the electric reactor.
  • Page 78 12. Remove mid-isolation board Remove the screws connecting mid-isolation board, chassis and condenser assy, to remove the mid-isolation. mid-isolation board 13. Remove four-way valve assy four-way valve assy 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.
  • Page 79 15. Remove big and small valve assy Remove screws connecting condenser assy and chassis, to remove the condenser assy. Remove the screws fixing big and small valve, to remove the valves. small valve big valve condenser assy...