Vivax ACP-09CH25GECI Service Manual
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Vivax ACP-09CH25GECI Service Manual

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ENG
Service
manual
ACP-09CH25GECI
ACP-12CH35GECI
RoHS

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Summary of Contents for Vivax ACP-09CH25GECI

  • Page 1 Service manual ACP-09CH25GECI ACP-12CH35GECI RoHS...
  • Page 3 ACP-09CH25GECI/I ACP-12CH35GECI/I ACP-09CH25GECI/I ACP-12CH35GECI/O AUTO HEALTH X-FAN HUMIDITY FILTER TURBO HOUR ON/OFF ON/OFF MODE X-FAN TEMP TIMER TURBO SLEEP LIGHT...
  • 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-12CH35GECI ACP-09CH25GECI ACP-09CH25GECI/I ACP-12CH35GECI/I...
  • Page 6 ACP-12CH35GECI/O ACP-09CH25GECI/O...

  • Page 7: Outdoor Temp

    Condition Condition Indoor:DB 20 Indoor:DB 27 WB19 Indoor air flow: Super High Indoor air flow: Super High Pipe length:5m Pipe length:5m Compressor Speed(rps) Compressor Speed(rps) Condition Condition Indoor:DB20 Indoor:DB27 WB19 Indoor air flow: Super High Indoor air flow: Super High Pipe length:5m Pipe length:5m 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46...
  • Page 8 Indoor side noise when blowing Heating Cooling Middle High Super High Compressor frequency(Hz) Indoor fan motor rotating speed...
  • Page 10 Model: ACP-12CH35GECI/O Model: ACP-09CH25GECI/O...
  • Page 11 GAS SIDE 3-WAY VALVE Muffler Di s charg e HEAT EXCHANGE (EVAPORATOR ) Suctio n Accumulator COMPRESSO R HEA T EXCHANGE (CONDENSER) LIQUID SIDE 2-WAY VALVE Capillar y i a r t r e n COOLING GAS SIDE 3-WAY VALVE 4-Way valve Muffler Di s charge...
  • Page 12 Symbol Parts name Symbol Color symbol REACTOR WHITE YELLOW PCB1~PCB2 PRINTED CIRCUIT BOARD S10/S11S40/S70/S80/S90 CONNECTOR BROWN OVERLOAD COMP COMPRESSOR BLUE PROTECTIVE EARTH BLACK YELLOW GREEN YEGN ORANGE...
  • Page 13 WARNING Please don't touch any terminal when the voltage of terminal DC+ and DC- at PCB2 is higher than 30V to prevent the risk of electrical shock!
  • Page 14 WARNING Please don't touch any terminal when the voltage of terminal DC+ and DC- at PCB2 is higher than 30V to prevent the risk of electrical shock!
  • Page 15 Interface of input neutral wire Interface of neutral wire of cold-plasma Interface of live wire Interface for feedback Interface of output live wire of cold-plasma Interface of indoor fan of indoor fan Interface of pipe temp sensor Interface of ambient t emp sensor Interface of communication wire...
  • Page 16 Name Fan motor 4-way valve Compressor electric heating Chassis electric heating Communication wire Overload protection Electric expansion valve Low pressure valve Temperature sensor Compressor Induction lead-out wire 2 Induction lead-out wire 1...
  • Page 17 ON/OFF Press it to start or stop operation. MODE Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT). Press it to decrease temperature setting. Press it to increase temperature setting. Press it to set fan speed. Press it to set swing angle. HEALTH SAVE Press it to turn on or off health function.

  • Page 18: Digital Display

    Up & down swing icon: is displayed when pressing the up & down swing button. Press this button again to clear the display. Left & right swing icon: is displayed when pressing the left & right swing button.Press this button again to clear the display. SET TIME display: After pressing TIMER button, ON or OFF will blink.This area will show the set time.
  • Page 19 ●In static swing condition, pressing button, the swing angle of left & right louver changes as below: ●If the unit is turned off during swing operation,the louver will stop at present position. X-FAN: Pressing X -FAN button in COOL or DRY mode,the icon "X-FAN" is displayed and the indoor fan will continue operation for 10 minutes in order to dry the indoor unit even though you have turned off the unit.
  • Page 20 * Cold Air Prevention Function (1)Cooling Mode The rotational speed of indoor motor is decided based on the 1. When room temp-set temp ≤-2 ,cooling will stop; indoor pipe temperature. The indoor fan can run at low speed or stop Outdoor fan will stop later and indoor fan will operate at set speed;...
  • Page 21 (7)Lo uver Control Timer off: the timer off function can be set when the unit is on. When the set time for timer off is reached, the unit will stop. The timing interval is After energization, the swing motor will open the horizontal 0.5hour, and the set range is 0.5~24hours.
  • Page 22 Detect malfunctions of temperature sensor at (2) Indoor pipe temperature sensor In defrosting period, the temperature sensor malfunction will not be detected. 5 min after finishing defrosting, the system beg ins to detect the temperature The temperature sensor overheats. In this case, the complete unit will stop for protection. At the same time, the temperature p rotection and temperature Outline Fan control is carried out according to the following priority.
  • Page 23 Cooling Mode 1. Working Conditions and Process (1) When Tindoor amb. +Tindoor compensation≤Tpreset, the unit will start cooling operation. In that case, indoor fan, outdoor fan and compressor will operate. Indoor fan will operate at set speed; (2) When Tindoor amb. + Tindoor compensation ≤Tpreset-2°C, compressor will stop operation and in 30s later, outdoor fan will stop operation.
  • Page 24 a Toutdoor pipe > 2°C, Tcompensation=0°C; b Toutdoor pipe ≤2 °C, Tcompensation=3°C; In that case, indoor fan and compressor stop operation. In 30s later, outdoor fan will stops operation and compressor will increase frequency for defrosting. In another 30s later, 4-way valve stops operation. When compressor has operated for defrosting for 7.5min, or when Toutdoor pipe ≥10°C, compressor will operate at 46Hz.
  • Page 25 3-minute Delay for Protection of Compressors When outdoor unit is de-energized, in cooling, drying or heating mode, before each startup, compressor must have been stopped for 3 minutes. Control of Outdoor Electric Heating Band (reserved for low temperature model) If not in heating mode or temp sensor has malfunction, electric heating bands of compressor and of condenser will stop operation, otherwise, the below control logic will be followed.

  • Page 26: Important Notices

    1.Indoor Unit Important Notices (1)The air inlet and outlet vent should be far from the obstruction, make sure that the air can be blown through the whole room. (2)Select a position where the condensing water can be easily 1. The unit installation work must be done by qualified drained out, and the place is easily connected for outdoor unit.
  • Page 27 Recommended mounting plate retention spots and Burr removal dimensions 1.Completely remove all burrs from the cut cross section of Use tape measure as shown. Recommended mounting plate Place a leveler pipe/tube. Position the end of retention spots (5 spots in all) on raised tab.
  • Page 28 3.2 Connection of piping 5. Insert the connecting cable fully into the terminal block and 1.Align the center of the pipes and sufficiently tighten the flare nut secure it tightly with screws. by hand. 6. Tightening torque: 1.2 N•m (0.12 kgf•m). 7.
  • Page 29 5.Installing indoor unit How to replace the drain plug and drain hose In the case of bending or curing refrigerant pipes, keep the fol- • How to remove the drain cap Clamp drain cap with needle-nose pliers, and pull out. lowing precautions in mind.

  • Page 30: Refrigerant Piping Connection

    Mounting plate Drain-water hole Marking Bottom frame Drain plug Hose (available commercially, inner dia. 16mm) 2) Swing the indoor unit to right and left to confirm that it is firmly 4.2 Refrigerant Piping Connection hooked on the installation plate. Remove the Valve cover from the unit by loosening the screw. 3)While pressing the indoor unit onto the wall, hook it at the lower Align the center of the pipings and sufficiently tighten the flare part on the installation plate.

  • Page 31: Indoor Unit

    4.4 Wiring Connection 1. Connect the charge hose from the manifold valve to the service 1) Strip the insulation from the wire (20mm). port of the gas side packed valve. 2. Connect the charge hose to the port of the vacuum pump . 2) Connect the connection wires between the indoor and outdoor 3.
  • Page 33 Models: ACP-09CH25GECI/I, ACP-12CH35GECI/I...
  • Page 34 ACP-09CH25GECI/I ACP-12CH35GECI/I...
  • Page 35 Model: ACP-09CH25GECI/O...
  • Page 36 ACP-09CH25GECI/O...
  • Page 37 Model: ACP-12CH35GECI/O...
  • Page 38 ACP-12CH35GECI/O...
  • Page 40 Display of lamp (the times of blinking) Display of Name of malfunction Indoor Outdoor indoor unit Running Cooling Heating Yellow Green Anti-freezing protection System block or refrigerant leakage Compressor exhaust high temperature protection AC over-current protection Communication failure between indoor unit and outdoor unit Anti-high temperature protection No feedback of indoor fan motor...
  • Page 41 Main inspection point: Flow chart of Malfunction diagnosis Energize the unit and wait for 3min Measure voltage between N 1and 3 of indoor wiring block Measure voltage between L and N Voltage > 200V? of outdoor wiring block Voltage > 200V? Normal wiring? Indoor main board error indoor and outdoor...
  • Page 42 Energize the unit and start it Voltage between L and N of indoor wiring block Check the connecting state of the Voltage > 200V? connecting terminal Adjust Reliable connecting connection state Replace main remove the Check power board of indoor error? supply unit...
  • Page 43 Energize the (4) Malfunction diagnosis of startup failure unit and start it Main detection points: Is wiring of compressor correct. Is the stop time of compressor more Start it 3 min later Is the stop time of compressor enough? than 3min Is compressor damaged? Malfunction diagnosis process: Startup failure?
  • Page 44 (6) Diagnosis of overload and discharge malfunction Main detection points: 20min after de-energization Is electric expansion valve well connected? Is it damaged? of complete unit Is refrigerant leaked? Is overload wire connection normal? Is electric Malfunction diagnosis process: expansion valve well connected? Is overload wire reliably connected?
  • Page 45 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Valve cap Hexagonal wrench (4mm) Open position Flare nut Flare nut Closed position Open position Closed position piping piping Service Service connection connection port cap port To outdoor unit To outdoor unit Works Shaft position Shaft position...
  • Page 46 Air purging CAUTION:Do not leak the gas in the air during air purging. Liquid side Indoor unit Clsed Outdoor unit 2-way valve Gas side Clsed 3-way valve Vacuum pump OPEN CLOSE * Procedure CAUTION: (1)Connect the charge hose from the manifold valve to the ser- If gas leakage are discovered in step 5 above, take the vice port of the gas side packed valve.
  • Page 47 Pumping Down Liquid side Indoor unit Open Outdoor unit 2-Way valve Gas side Closed 3-Way valve CLOSE CLOSE Purge the air • Procedure (1) Confirm that both the 2-way and 3-way valves are set to (7) Immediately set the 3-way valve to the closed position. –...
  • Page 48 Re-air purging Liquid side Indoor unit Closed Outdoor unit 3-Way valve Gas side Closed 3-Way valve Gas cylinder R410A OPEN CLOSE • Procedure (1) Confirm that both the liquid side valve and the gas side (6) Disconnect the charge set and the gas cylinder, and set balve are set to the closed position.
  • Page 49 Balance Refrigerant of the 3-way Valve (Gas leakage) Liquid side Indoor unit Outdoor unit 3-Way valve Open Gas side 3-Way valve Open OPEN CLOSE • Procedure (1) Confirm that both the 2-way and 3-way valves (3) Open the valve (Lo side) on the charge set and are set to the back seat.

  • Page 50: Gas Charging

    Gas Charging (After Evacuation) Liquid side Indoor unit Open Outdoor unit 3-Way valve Gas side Open 3-Way valve Check valve Charging cylinder OPEN CLOSE • Procedure This is different from previous procedures. (1) Connect the charge hose to the charging Because you are charging with liquid refrigerant cylinder.
  • Page 56 clamp clamp clamp and then remove he motor clamp.
  • Page 57 Model: ACP-12CH35GECI/O 1. Remove handle The stop valve cover has 6 hooks. Remove the connection screw fixing the big handle and then remove the handle. handle 2. Remov e top panel T op panel Loosen the 3 screws (front, right, left) and lift the top panel.
  • Page 58 3.Remove grille and front panel Loosen one screw and remove the discharge grille. Grille Lift the front panel and remove it while pushing Loosen the 5 screws of the right side panel inwards. the front panel. Front panel 4.Remove right side plate Right side plate Remove the 5 screws from the edge between right-side...
  • Page 59 M4×16 Remove the 4 tapping screws fixing the motor. DC fan motor Fan motor fixing frame Pull out the lead-out wire and remove the motor. Remove the 2 tapping screws fixing the motor support. Lift to remove the motor support. Fan motor 6.Remove the electri c box Electrical box...
  • Page 60 8.Remove sound blanket Since the piping ports on Lift and remove the the sound blanket are sound blanket (top). torn easily, remove the blanket carefully. Untie the strings and open the sound blanket. Lift and remove the sound blanket (body) as it is opened.
  • Page 61 10.Remove compressor Remove the 2 screws fixing the gas valve. Solder off the weld spot connecting gas valve and air return pipe and remove the gas valve. (Note: it is necessary to warp the gas valve when soldering off the welding spot.) Remove the 2 screws fixing liquid valve.
  • Page 62 Model: ACP-09CH25GECI/O 1. Remove handle The stop valve cover has 6 hooks. Loosen the screw of the stop valve cover. Pull down the stop valve cover and remove handle 2. Remove top panel Top panel Loosen the 3 screws (front, right, left) and lift...
  • Page 63 3.Remove discharge grille and front panel Loosen the 1 screws and remove the discharge grille. Lift the front panel and remove it while pushing the right side panel inwards. Step Procedure Points Discharge grille Loosen the 5 screws of the front panel. Front panel 4.Remove right side plate...
  • Page 64 M4×16 Remove the 4 tapping screws fixing the motor. DC fan motor Fan motor fixing frame Pull out the lead-out wire and remove the motor. Remove the 2 tapping screws fixing the motor support. Lift to remove the motor support. Fan motor 6.Remove electrical box Electrical box...
  • Page 65 8.Remove sound blanket Since the piping ports on Lift and remove the the sound blanket are sound blanket (top). torn easily, remove the blanket carefully. Untie the strings and open the sound blanket. Lift and remove the sound blanket (body) as it is opened.
  • Page 66 10.Remove compressor Remove the 2 screws fixing the gas valve. Solder off the weld spot connecting gas valve and air return pipe and remove the gas valve. (Note: it is necessary to warp the gas valve when soldering off the welding spot.) Remove the 2 screws fixing liquid valve.

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Acp-12ch35geci

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