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Vivax cool ACP-09CH25AEI/I Service Manual

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ACP-09CH25AEI I/O
ACP-12CH35AEI/I I/O
RoHS

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Summary of Contents for Vivax cool ACP-09CH25AEI/I

  • Page 1 Service manual ACP-09CH25AEI I/O ACP-12CH35AEI/I I/O RoHS...

  • Page 3: Installation

    1. Precaution product. 1.1 Safety Precaution  Be sure the installation area does not deteriorate  To prevent injury to the user or other people and with age. property damage, the following instructions must If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and be followed.
  • Page 4 operation. (Do not touch the electrostatic filter, if  Operational the unit is so equipped.)  Do not expose the skin directly to cool air for long There is risk of physical injury, electric shock, or product failure. periods of time. (Do not sit in the draft). ...
  • Page 5 2. Function Indoor unit Operation by remote controller Sensing by room temperature Room temperature sensor. Pipe temperature sensor. Room temperature control Maintain the room temperature in accordance w ith the setting temperature. Anti-freezing control in cooling Prevent the water being frozen on evaporator by sensing the evaporator pipe temperature in cooling mode Time Delay Safety control Restarting is for approx.
  • Page 6 Outdoor unit Power relay control The unit has 3 mins delay between continuously ON/OFF operations. Low noise air flow system Bird tail propeller fan makes the outdoor unit run more quietly. 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.

  • Page 7: Indoor Unit

    3. Dimension 3.1 Indoor Unit ACP-09CH25AEI/I ACP-12CH35AEI/I Dimension Model 9K/12k...

  • Page 8: Outdoor Unit

    3.2 Outdoor Unit ACP-09CH25AEI/O ACP-12CH35AEI/O...

  • Page 9: Refrigerant Cycle Diagram

    5. Refrigerant cycle diagram...
  • Page 10 6. Wiring diagram 6.1 Indoor Unit ACP-09CH25AEI/I ACP-12CH35AEI/I...
  • Page 11 6.2 Outdoor Unit ACP-09CH25AEI/O ACP-12CH35AEI/O...

  • Page 12: Installation Details

    7. Installation details 7.1 Wrench torque sheet for installation Outside diameter Torque inch Kgf·m Ф6.35 Ф9.52 Ф12.7 7.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Grade Unit 7.3 Pipe length and the elevation Standard Max.
  • Page 13 Be sure, using a torque wrench to tighten the service port cap (after using the service port), so that it prevents the gas leakage from the refrigeration cycle. Procedure 1. Recheck the piping connections. Caution: If gas leakage is discovered in step (3) above, take the 2.

  • Page 14: Pumping Down (Re-Installation)

    7.5 Pumping down (Re-installation) Procedure 1. Confirm that both the 2-way and 3-way valves are set to the opened position. Remove the valve stem caps and confirm that the valve stems are in the opened position. Be sure to use a hexagonal wrench to operate the valve stems. 2.

  • Page 15: Re-Air Purging (Re-Installation)

    7.6 Re-air purging (Re-installation) Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the closed position. 2. Connect the charge set and a charging cylinder to the service port of the 3-way valve. Leave the valve on the charging cylinder closed. 3.

  • Page 16: Balance Refrigerant Of The 2-Way, 3-Way Valves

    7.7 Balance refrigerant of the 2-way, 3-way valves Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the 3-way valve’s service port. Leave the valve on the charge set closed. Connect the charge hose with the push pin to the service port.
  • Page 17 7.8 Evacuation Procedure: 1. Connect the vacuum pump to the charge set’s centre hose. 2. Evacuation for approximately one hour. Confirm that the gauge needle has moved toward -0.1 Mpa (-76 cmHg) [vacuum of 4 mmHg or less]. 3. Close the valve (Low side) on the charge set, turn off the vacuum pump, and confirm that the gauge needle does not move (approximately 5 minutes after turning off the vacuum pump).

  • Page 18: Gas Charging

    7.9 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. 2. Purge the air from the charge hose. Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air (be careful of the liquid refrigerant).

  • Page 19: Operation Characteristics

    8. Operation characteristics 8.1 ACP-09CH25AEI/I Piping Length Characteristics (Cooling) Cooling Characteristics 2.65 2.80 2.60 2.70 2.55 2.60 2.50 2.50 2.45 2.40 2.40 2.30 2.35 2.30 0.83 0.84 0.82 0.83 0.81 0.82 0.80 0.81 0.79 0.80 0.78 0.79 0.77 0.78 10 11 12 13 14...
  • Page 20 8.2 ACP-12CH35AEI/I Piping Length Characteristics (Cooling) Cooling Characteristics 3.20 3.12 3.04 2.96 2.88 2.80 2.72 2.64 0.99 1.08 0.96 1.04 0.93 1.00 0.90 0.96 0.87 0.92 0.84 0.88 0.84 0.81 10 11 12 13 14 25 27 29 31 33 35 37 39 41 43 Piping Length (m) Outdoor Ambient Temperature (℃)

  • Page 21: Display Function

    T2: Pipe temperature of indoor heat exchanger T3: Pipe temperature of outdoor heat exchanger T4: Outdoor ambient temperature 9.2 Display function 9.2.1 Icon explanation on indoor display board. ACP-09CH25AEI/I ACP-12CH35AEI/I Auto indicator ① This indicator illuminates when the air conditioner is in AUTO operation.

  • Page 22: Fan-Only Mode

    9.3.7 Cross Zero signal error warning. If there are 20 alternations of Cross Zero signals are incorrect, the unit stops and LED displays failure information. After resuming, the motor rotates again. The spacing of Cross Zero signal is 6-13ms. 9.3.8 Indoor fan delayed open function 9.3.9 For all modes, when the units are turned on, the indoor fan can operate 10 seconds after the action of louver.
  • Page 23 9.5.2 Indoor heat exchanger anti-freezing function. If T2 is lower than 0℃, the compressor stops and resumes when T2>5℃. 9.5.3 Outdoor unit current control in cooling mode(refer to the parameter table) comp. pause I3COOL freq. descends if curr. rises; I2COOL freq.

  • Page 24: Drying Mode

    9.6 Drying mode 9.6.1 Indoor fan speed is fixed at breeze grade and can’t be changed. The horizontal angle is the same as in cooling mode. 9.6.2 Room overlow temperature protection In drying mode, if room temperature is lower than 10℃, compressor will stop and not resume until room temperature climbs up to 12℃.
  • Page 25 ℃ Remark: ΔTcon can be changed among 0, -2,- 4℃, the default is 0℃ When the machine runs, if ΔTh stays in a zone for 3 minutes, action of frequency is as follow: Zone A: Elevate current frequency one grade, and not stop until the maximum grade. Zone B: Elevate or keep or descend current frequency.
  • Page 26 descended for more than 5℃, if it has the machine starts defrosting, or continues to judge T2 and will not defrost until T2 drops more than 5℃. Condition 3: No matter what value T4 is, if the machine runs with T3＜3℃ for more than 120 minutes and T3 keeps lower than -2℃...

  • Page 27: Auto Mode Function

    9.8 Auto mode function 9.8.1 This mode can be chosen with remote controller and the setting temperature can be changed between 17~30℃. In auto mode, the machine will choose cooling, heating or fan-only mode according to ΔT(ΔT =T1-Ts). ΔT=T1-Ts Running mode ΔT＞1℃...
  • Page 28 After pressing ECONOMIC or SLEEP button on controller, the machine will turn into sleep mode. When cooling, the setting temperature rises 1℃(be lower than 30℃) every one hour, 2 hour later the rising stops and indoor fan is fixed as low speed. When heating, the setting temperature descends 1℃(be lower than 30℃) every one hour, 2 hour later the descending stops and indoor fan is fixed as low speed, and anti-cold-wind is available.

  • Page 29: Troubleshooting

    10. Troubleshooting 10.1 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 30: Diagnosis And Solution

    10.2 Diagnosis and Solution 10.2.1 E0(EEPROM parameter error) error diagnosis and solution Circuit or software error on indoor PCB Replace indoor PCB 102.2 E1(indoor / outdoor units communication protection) error diagnosis and solution Disconnect the power supply, after 1 minute, connect the power supply , turn on the unit with remote controller Does the unit work normally?
  • Page 31 10.2.4 E3(indoor fan speed out of control) diagnosis and solution Is the indoor fan motor Repair the connector and connector and connection reconnect good? Is voltage being applied to the fan motor? Indoor PCB is defective. (rang 90v-160v between Replace the indoor PCB. mid pin and N on CN1 Replace the indoor fan motor...
  • Page 32 10.2.8 P1(over voltage or too low voltage protection) diagnosis and solution. Be sure the power supply is Is the power supply good? normal when using the units Replace the outdoor e-box. 10.2.9 P2(temperature protection of compressor top) diagnosis and solution. Is the connection Does compressor Reconnect and retest.

  • Page 33: Key Parts Checking

    10.3 Key parts checking. 10.3.1. Compressor checking (Model: DA89X1C-23FZ). Measure the resistance value of each winding by using the multi-meter. Position Resistance Value Blue - Red 1.10 Ω Blue - Black (20℃) Red - Blue 10.3.2 Outdoor Fan Motor (Model: YDK24-6E). Measure the resistance value of each winding by using the multi-meter.
  • Page 34 10.3.5 Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor exhaust temp.(Te) sensor. Measure the resistance value of each winding by using the multi-meter. Some frequently-used R-T data for T1,T2,T3 and T4 sensor: Temperature ( ℃) Resistance Value (KΩ) 26.9...

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