Vivax ACP-09CH25AEI Service Manual
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Vivax ACP-09CH25AEI Service Manual

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ENG
Service
manual
ACP-09CH25AEI
ACP-12CH35AEI
ACP-18CH50AEI
ACP-24CH70AEI
ACP-12CH35AECI
NNO-1/09
RoHS

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Summary of Contents for Vivax ACP-09CH25AEI

  • Page 1 Service manual ACP-09CH25AEI ACP-12CH35AEI ACP-18CH50AEI ACP-24CH70AEI ACP-12CH35AECI RoHS NNO-1/09...

  • Page 3: Table Of Contents

    CONTENTS 1. Precaution .............................. 1 1.1 Safety Precaution .......................... 1 1.2 Warning ............................1 2. Function..............................6 3. Dimension............................... 9 3.1 Indoor Units ........................... 9 3.2 Outdoor Units ..........................11 4. Refrigerant Cycle Diagram........................12 5. Wiring Diagram............................. 13 5.1 Indoor Units ..........................13 5.2 Outdoor Units ..........................

  • Page 4: Precaution

    1. Precaution 1.1 Safety Precaution To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. Before service unit, be sure to read this service manual at first. 1.2 Warning Ø...
  • Page 5 For installation, always contact the dealer or an Authorized service center. There is risk of fire, electric shock, explosion, or injury. Do not install the product on a defective installation stand. It may cause injury, accident, or damage to the product. Be sure the installation area does not deteriorate with age.
  • Page 6 power supply cable. There is risk of electric shock or fire. Stop operation and close the window in storm or hurricane. If possible, remove the product from the window before the hurricane arrives. There is risk of property damage, failure of product, or electric shock. Do not open the inlet grill of the product during operation.
  • Page 7 It may cause a problem for your neighbors. Use two or more people to lift and transport the product. Avoid personal injury. Do not install the product where it will be exposed to sea wind (salt spray) directly. It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation.
  • Page 8 and mew batteries or different types of batteries. There is risk of fire or explosion. Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire. They may burn of explode. If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do not use the remote of the batteries have leaked.

  • Page 9: Function

    2. Function Model Names of Indoor/Outdoor Units Series Capacity Indoor units Outdoor units ACP-09CH25AEI ACP-12CH35AEI Inverter ACP-12CH35AECI ACP-18CH50AEI ACP-24CH70AEI PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 10 Indoor unit Operation by remote controller Golden fin (Optional) Anti-freezing control in cooling mode Prevent the water being frozen on evaporator by checking the evaporator pipe temperature Ionizer(Optional) Time Delay Safety control Self-diag. function Indoor fan speed control Air flow Direction control Turbo wind, high, med, low, breeze.
  • Page 11 Outdoor unit Power relay control Low noise air flow system Hydrophilic aluminum fin The hydrophilic fin can improve the heating efficiency at operation mode. 4 way valve control It is only operated in the heating operation mode except defrosting operation. Anti-rust cabinet Made from electrolytic zinc steel sheet and anti-rust coated components.

  • Page 12: Dimension

    3. Dimension 3.1 Indoor Units For ACP-09CH25AEI, ACP-12CH35AEI, ACP-12CH35AECI models...
  • Page 13 For ACP-18CH50AEI model For ACP-24CH70AEI model Model ACP-09CH25AEI ACP-12CH35AEI ACP-12CH35AECI ACP-18CH50AEI ACP-24CH70AEI 1030...

  • Page 14: Outdoor Units

    3.2 Outdoor Units The above outdoor unit dimension sketch is only used for reference.  Model ACP-09CH25AEI ACP-09CH25AEI ACP-12CH35AEI ACP-09CH25AEI ACP-12CH35AECI ACP-18CH50AEI ACP-24CH70AEI PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 15: Refrigerant Cycle Diagram

    4. Refrigerant Cycle Diagram PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 16: Wiring Diagram

    5. Wiring Diagram 5.1 Indoor Units ACP-09CH25AEI ACP-12CH35AEI, ACP-12CH35AECI PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 17: Outdoor Units

    ACP-18CH50AEI ACP-24CH70AEI PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 18 ACP-09CH25AEI PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 19 ACP-18CH50AEI PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 20 ACP-09CH25AEI, ACP-12CH35AEI, ACP-12CH35AECI PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 21 ACP-24CH70AEI PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 22: Installation Details

    6. Installation details 6.1 Wrench torque sheet for installation 6.2 Connecting the cables The power cord of connect should be selected according to the following specification sheet. Rated current of appliance Nominal cross-sectional area (mm²) >3 and ≤6 0.75 >6 and ≤10 >10 and ≤16 >16 and ≤25 The cable size and the current of the fuse or switch are determined by the maximum current indicated...

  • Page 23: Pipe Length And The Elevation

    6.3 Pipe length and the elevation The pipe length and refrigerant amount: Standard Max. Max. Model length Elevation Length B (m) A (m) 9k, 12k 18k,24k Caution: Capacity test is based on the standard length and maximum allowance length is based on the system reliability.

  • Page 24: Indoor Units Installation

    6.4 Indoor units installation 1) Fit the Installation Plate 2) Drill a hole in the wall 3) Connective Pipe and Drainage Installation 4) Install the indoor units. PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...

  • Page 25: Outdoor Units Installation

    5) Piping and wrapping 6.5 Outdoor units installation 1) Select the location for installation. If the outdoor unit is higher than the indoor unit, make sure that a curve is made in the refrigerant pipe which is lower than the bottom edge of the indoor unit. In the case that the installation place is exposed to strong wind such as a seaside, make sure the fan operating properly by putting the unit lengthwise along the wall or using a dust or shield plates.

  • Page 26: Electrical Work

    4）Connecting the refrigerant pipe to outdoor units 6.6 Electrical work Electric safety regulations for the initial Installation 1. If there is serious safety problem about the power supply, the technicians should refuse to install the air conditioner and explain to the client until the problem is solved. 2.

  • Page 27: Air Purging With Vacuum Pump

    6.7 Air purging with vacuum pump Air and moisture in the refrigerant system have undesirable effects as below: Pressure in the system rises. ● Operating current rises. ● Cooling or heating efficiency drops. ● Moisture in the refrigerant circuit may freeze and block capillary tubing. ●...

  • Page 28: Pumping Down (Re-Installation)

    meter indicates -76cmHg. 6. Turn the stem of the Hi valve about 45°counterclockwise for 6 or 7seconds after the gas coming out, then tighten the flare nut again. Make sure the pressure display in the pressure indicator is a little higher than the atmosphere pressure. 7.

  • Page 29: Re-Air Purging (Re-Installation)

    5. Set the 2-way valve to the close position. 6. Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0.1MPa. 7. Set the 3-way valve to the closed position immediately. Do this quickly so that the gauge ends up indicating 0.3 to 0.5Mpa.Disconnect the charge set, and amount the 2-way and 3-way valve’s stem nuts and service port caps.Use a torque wrench to tighten the service port cap.Be sure to check for gas leakage.

  • Page 30: Balance Refrigerant Of The 2-Way, 3-Way Valves

    4. Check the gas leakage. Check the flare connections for gas leakage. 5. Discharge the refrigerant. Close the valve on the charging cylinder and discharge the refrigerant until the gauge indicates 0.3 to 0.5 Mpa. 6. Disconnect the charge set and the charging cylinder, and set the 2-way and 3-way valves to the open position.

  • Page 31: Evacuation

    3. Open the valves (Low side) on the charge set and discharge the refrigerant until the gauge indicates 0.05 to 0.1Mpa. If the pressure when the air conditioner is not running is higher than 0.1Mpa, discharge the refrigerant until the gauge indicates 0.05 to 0.1 Mpa. Discharge the refrigeration gradually; if it is discharged suddenly, the refrigeration oil will be discharged.

  • Page 32: Gas Charging

    6.12 Gas charging Procedure: 1. Connect the charge hose to the charging cylinder. Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder. If the refrigerant is R410A, make the cylinder bottom up to ensure liquid charge. 2.

  • Page 33: Operation Characteristics

    7. Operation characteristics CAUTION: 1. If air conditioner is used outside of the above conditions, certain safety protection features may come into operation and cause the unit to function abnormally. 2. Room relative humidity less than 80%. If the air conditioner operates in excess of this figure, the surface of the air conditioner may attract condensation.

  • Page 34: Electronic Function

    8. Electronic function 8.1 Abbreviation T1: Indoor ambient temperature T2: Coil temperature of indoor heat exchanger T3: Coil temperature of outdoor heat exchanger T4: Outdoor ambient temperature T5: Compressor discharge temperature 8.2 Display function 8.2.1 Icon explanation on indoor display board. Auto indicator ①...

  • Page 35: Main Protection

    8.3 Main Protection 8.3.1 Time delay at restart for compressor. 8.3.2 Temperature protection of compressor top. ---- Top temp. protector cut off for 30s and restart the compressor with 3 minutes delay. 8.3.3 Temperature protection of compressor discharge. When the compressor discharge temp. is getting higher, the running frequency will be limited as below rules: ----Compressor discharge temp.

  • Page 36: Operation Modes And Functions

    If AC detects time interval is not correct for continuous 20 zero crossing signal, the unit will stop and the LED will display the failure. The correct zero crossing signal time interval should be between 6-13ms. 8.4 Operation Modes and Functions 8.4.1 Fan mode.
  • Page 37 7 minutes later, the compressor running frequency will be controlled as below: -0.5 -1.0 While Temp.zone Frequency Note: When T1-Ts keeps in the same temp.zone for 3 minutes, the compressor will run as the below rules: A~E: Increase the frequency to the higher level until to F8. F: Keep the current frequency.
  • Page 38 Note: When AC is in “hold” zone for 3 minutes, the compressor frequency will rise to the higher level.(frequency will increase twice at most) 8.4.2.2 Indoor fan running rules In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low and auto.
  • Page 39 When T2>7 , the compressor frequ ency will not be limited. ℃ 8.4.3 Heating Mode 8.4.3.1 Compressor running rules: The operation frequency of compressor after starting submits to the following rule. Fmax=F2 Fmax=F3 Fmax=F4 Fmax=F5 Fmax=F6 Fmax=F7 Fmax=F8 Fmax=F9 Fmax=F10 If users switch on AC by remote controller, the compressor will run at the Fmax frequency for 7 minutes according to outdoor ambient temp.
  • Page 40 Frequenc as default. ΔT=0 ℃ Note: When T1-Ts keeps in the same temp.zone for 3 minutes, the compressor will run as the below rules: A~E: Increase the frequency to the higher level until to F10. F: Keep the current frequency. G: Decrease the frequency to the lower level until to F1.
  • Page 41 seconds with breeze. During this period, the anti-cold-wind is disabled. If the machine runs in rating capacity test mode, the indoor fan will run with rating speed and the anti-cold-wind function is disabled. Indoor fan speed can be set as high, medium, low or auto fan and the anti-cold-wind function is preferential.
  • Page 42 High 8.4.3.4 Defrosting mode： Condition of defrosting: Condition 1: If T4＞0 , ℃ When the units are running, if the following two items are satisfied, the units start defrosting: The units run with T3＜3 for 40 minutes and T3 keeps lower than TCDI for more than 3 minutes.
  • Page 43 Defrosting action： For 9k, 12k models: For 18k,24k models: PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 44 8.4.3.5 High evaporator coil temp.T2 protection: (1) T2> TEH2 , compressor running frequency decreases to the lower level and runs for 20s. ℃ When the frequency decreases to F2 and the T2 is still over TEH2 for 3 minutes, the compressor will ℃...
  • Page 45 8.4.5.3 Room overlow temperature protection In drying mode, if room temperature is lower than 10 , the compressor will stop and not resume until ℃ room temperature exceeds 12 . ℃ 8.4.5.4 Evaporator anti-freezing protection, condenser high temperature protection and outdoor unit frequency limit are active and the same as that in cooling mode.
  • Page 46 8.4.8 Sleep function mode 8.4.8.1 Operation time in sleep mode is 7 hours. After 7 hours the AC quits this mode and turns off. 8.4.8.2. Operation process in sleep mode is as follow: When cooling, the setting temperature rises 1 ( ℃...

  • Page 47: Troubleshooting

    9. Troubleshooting 9.1 Indoor unit error display Display LED STATUS EEPROM parameter error Indoor / outdoor units communication protection Zero-crossing signal error Fan speed out of control Open or short circuit of outdoor temperature sensor Open or short circuit of room or evaporator temperature sensor IGBT over-strong current protection Over voltage or too low voltage protection Temperature protection of compressor top.
  • Page 48 9.2.2 Indoor / outdoor units communication protection error diagnosis and solution Turn off the power supply, after 1 minute, connect the power supply , turn on the unit with remote controller The unit does not work normally. Check the wiring between indoor and outdoor unit.
  • Page 49 9.2.3 Zero crossing detection error When such failure occurs, the main control board must have fault. 9.2.4 Fan speed out of control diagnosis Shut off the power supply and turn on it 5s later The unit does not work normally Turn off the unit, rotate the cross Disassemble the connection between fan.Does it rotate freely?
  • Page 50 9.2.5 Open or short circuit of temperature sensor diagnosis and solution. Check the connections between the sensors and the PCB. Are the connections good? Replace the sensor and check if Replace outdoor PCB the errors happen again? 9.2.6 IGBT over-strong current protection diagnosis and solution. Check whether the connections between outdoor PCB and IPM are good? Check whether the IPM is fixed to radiator...
  • Page 51 9.2.8 High temperature protection of compressor top diagnosis and solution. Does compressor operate? Is the connection good? Reconnect it refrigerant circulation Replace it Is protector normal? volume normal? Charge refrigerant Is abnormality the same Replace the outdoor PCB. after gas charging? There is block(Such as capillary or welded points of the pipes.) PDF 文件使用...

This manual is also suitable for:

Acp-12ch35aeiAcp-18ch50aeiAcp-12ch35aeciAcp-24ch70aei

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