Vivax ACP-12CH35AERI Service Manual
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Vivax ACP-12CH35AERI Service Manual

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VIVAX R DESIGN
Service Manual 2016
ACP-12CH35AERI
ACP-18CH50AERI
ACP-24CH70AERI
ACP-12CH35AERI GOLD

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Summary of Contents for Vivax ACP-12CH35AERI

  • Page 1 VIVAX R DESIGN Service Manual 2016 ACP-12CH35AERI ACP-18CH50AERI ACP-24CH70AERI ACP-12CH35AERI GOLD...

  • Page 2: Table Of Contents

    CONTENTS 1. Precaution ..............................1   1.1 Safety Precaution ........................1  1.2 Warning ............................1  2. Function ................................ 4   3. Dimension ..............................5   3.1 Indoor Unit ........................... 5  3.2 Outdoor Unit ..........................8  4. Refrigerant Cycle Diagram ........................11   5 Installation Details ............................

  • Page 3: Precaution

    installing the product. Sharp edges could cause injury, be 1. Precaution especially careful of the case edges and the fins on the condenser and evaporator. 1.1 Safety Precaution  For installation, always contact the dealer or an authorized service center. ...
  • Page 4 from product, turn the breaker off or  Install the drain hose to ensure that disconnect the power supply cable. water is drained away properly. There is risk of electric shock or fire. A bad connection may cause water leakage. Stop operation and close the window Keep level even when installing the ...
  • Page 5 malfunction or damage.  Do not insert hands or other objects through air inlet or outlet while the product is operated.  Do not drink the water drained from the product. Use a firm stool or ladder when  cleaning or maintaining the product. Be careful and avoid personal injury.

  • Page 6: Function

    2. Function Model Names of Indoor/Outdoor Units Capacity Indoor units Outdoor units ACP-12CH35AERI/I ACP-12CH35AERI/O 3D inverter ACP-18CH50AERI/I ACP-18CH50AERI/O ACP-24CH70AERI/I ACP-24CH70AERI/O 2 ways of drainage Filter Cold catalyst filter Louver Position Memory Function Super Ionizer(O) Refrigerant Leakage Detect Silver Ico Filter(O) Self-diag.

  • Page 7: Dimension

    3. Dimension 3.1 Indoor Unit Model ACP-12CH35AERI/I ACP-18CH50AERI/I ACP-24CH70AERI/I 1080...
  • Page 8 For ACP-12CH35AERI/I， For ACP-18CH50AERI/I，...
  • Page 9 For ACP-24CH70AERI/I，...

  • Page 10: Outdoor Unit

    3.2 Outdoor Unit More than 30cm More than 60cm (Service space More than 30cm More than 60cm More than 200cm...
  • Page 11 For ACP-12CH35AERI/O, ACP-18CH50AERI/O， 815 W3 514 W1 333 D 800 W 70 W2 62 B1 D2 D3 20 A1 61.6 A2...
  • Page 12 For ACP-24CH70AERI/O,...

  • Page 13: Refrigerant Cycle Diagram

    4. Refrigerant Cycle Diagram INDOOR OUTDOOR CHECK VALVE LIQUID SIDE (Heating Model only) 2-WAY VALVE CAPILIARY TUBE HEAT HEAT EXCHANGE EXCHANGE (EVAPORATOR) (CONDENSER) T1 Room temp. sensor T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE 3-WAY VALVE ACCUMULATOR COOLING COMPRESSOR HEATING...

  • Page 14: Installation Details

    5 Installation Details 5.1 Wrench torque sheet for installation Outside diameter Torque Additional tightening torque inch N.cm N.cm Ф6.35 1500(153kgf.cm) 1600(163kgf.cm) Ф9.52 2500(255kgf.cm) 2600(265kgf.cm) Ф12.7 3500(357kgf.cm) 3600(367kgf.cm) Ф15.9 4500(459kgf.cm) 4700(479kgf.cm) Ф19 6500(663kgf.cm) 6700(683kgf.cm) 5.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Rated current of appliance Nominal cross-sectional area (mm²) >3 and ≤6...

  • Page 15: Pipe Length And The Elevation

    The pipe length and refrigerant amount: Standard Max. Max. Additional Pipe size Model length Elevation Length refrigerant Liquid B (m) A (m) (g/m) 3/8’’ 1/4’’ ACP-12CH35AERI/I ACP-12CH35AERI/O (Ф9.52) (Ф6.35) 1/2’’ 1/4’’ ACP-18CH50AERI/I ACP-18CH50AERI/O (Ф12.7) (Ф6.35) 5/8’’ 3/8’’ ACP-24CH70AERI/I ACP-24CH70AERI/O (Ф15.9) (Ф9.52) Caution: The capacity test is based on the standard length and the maximum permissive length is based on the system reliability.

  • Page 16: Installation For The First Time

    6) Make evacuation for 30 minutes and check 5.4 Installation for the first time whether the compound meter indicates - 0.1Mpa. If the meter does not indicate - Air and moisture in the refrigerant system have 0.1Mpa after pumping 30 minutes, it should be undesirable effects as below: pumped 20 minutes more.

  • Page 17: Adding The Refrigerant After Running The System For Many Years

    After purging the air, use a torque wrench to 5) Open the valves (Low side) on the charge set tighten the flare nut on the 2-way valve. and charge the system with liquid refrigerant. 4). Check the gas leakage. 6).When the electronic scale displays the proper Check the flare connections for gas leakage.

  • Page 18: Re-Installation While The Indoor Unit Need To Be Repaired

    the air conditioner before disconnecting the hose. service port cap to a torque of 18N.m. 7). Mount the valve stem caps and the service port Be sure to check for gas leakage. Use torque wrench to tighten the service port cap 2.

  • Page 19: Re-Installation While The Outdoor Unit Need To Be Repaired

    Connect the charge hose which you disconnected 5.7 Re-installation while the outdoor from the vacuum pump to the valve at the bottom unit need to be repaired of the cylinder. If the refrigerant is R410A, make the cylinder bottom up to ensure liquid charge. 1.

  • Page 20: Operation Characteristics

    6. Operation Characteristics Mode Cooling operation Heating operation Drying operation Temperature 17℃~32℃ 0℃~30℃ 10℃~32℃ Room temperature (62℉~90℉) (32℉~86℉) (50℉~90℉) 0℃~50℃ -15℃~30℃ 0℃~50℃ Outdoor temperature (32℉~122℉) (5℉~86℉) (32℉~122℉) -15℃~50℃ (5℉~122℉) (For the models with low temperature cooling system) CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally.

  • Page 21: Electronic Function

    Dispalys ‘ ’ during self clean operation (if 7. Electronic function aplicable). 7.1 Abbreviation Dispalys ‘ ’ under 8℃ heating operation (if T1: Indoor room temperature aplicable). T2: Coil temperature of evaporator When ECO function(optional) is actived,the “ ” T3: Coil temperature of condenser illuminates gradually one by one as T4: Outdoor ambient temperature T5: Compressor discharge temperature...

  • Page 22: Main Protection

    This function is only active in cooling mode. It can 7.3 Main Protection better prevent the compressor being damaged by 7.3.1 Three minutes delay at restart for refrigerant leakage or compressor overload. compressor Open condition: 1 minute delay for the 1 time stand-up and 3 When compressor is active, the value of the Coil minutes delay for others.
  • Page 23 (2) Temperature setting function is disabled, 7.4.2.3 Indoor fan running rules and no setting temperature is displayed. In cooling mode, indoor fan runs all the time and (3) Indoor fan can be set to high/med/low/auto. the speed can be selected as high, medium, low (4) The louver operates same as in cooling and auto.
  • Page 24 7.4.2.5 Evaporator temperature protection Setting fan T1-Td ℃(°F) Actual fan speed speed When Evaporator temperature temp.is less than H+(H+=H+G) H（=H） setting value, the compressor will stop. H-（H-=H-G) M+(M+=M+Z) M(M=M) 7.4.3 Heating Mode M-(M-=M-Z) L+(L+=L+D) 7.4.3.1 Compressor running rules L(L=L) When T1-Ts>-ΔT, the compressor will stop, L-(L-=L-D) when T1-T <ΔT-1.5，the compressor will be on.
  • Page 25 Forced cooling mode: The compressor and outdoor fan keep running and the indoor fan runs at low speed. After running TEstop for 30 minutes, AC will turn to auto mode with 24 ℃ Decrease setting temperature. TEdown Forced auto mode: Hold The action of forced auto mode is the same as TEH2...
  • Page 26 fan is fixed at low speed. In heating operation, the preset temperature of the When heating, the setting temperature decreases air conditioner can be as lower as 8 ℃ , which 1 ℃ (be higher than 17 ℃ ) every one hour, 2 hours keeps the room temperature steady at 8 ℃...
  • Page 27 room temperature detected from its own room temperature sensor and setting temperature. 7.4.15 Silence operation(optional) Press the “silence” button on remote controller to initiate SILENCE function. When the Silence function is activated, the compressor running frequency will keep lower than F2 and the indoor unit will bring faint breeze, which will reduce the noise to the lowest level and create a quiet and comfortable room for you.
  • Page 28 7.4.16 Point check function Press the LED DISPLAY or LED or MUTE button of the remote controller three times, and then press the AIR DIRECTION or SWING button three times in ten seconds, the buzzer will keep ring for two seconds. The air conditioner will enter into the information enquiry status.
  • Page 29 Enquiry Display value Meaning Remark information T1,T2,T3,T4, -1F,-1E,-1d,-1c,- -25,-24,-23,-22,-21,- 1. All the displaying temperature is actual T2B,TP,TH, 1b,-1A value. Targeted 2. All the temperature is °C no matter what -19—99 -19—99 Frequency, kind of remote controller is used. A0,A1,…A9 100,101,…109 Actual 3.

  • Page 30: Troubleshooting

    8. Troubleshooting Safety Electricity power is still kept in capacitors even the power supply is shut off. Do not forget to discharge the electricity power in capacitor. Electrolytic Capacitors (HIGH VOLTAGE! CAUTION!) For other models, please connect discharge resistance (approx.100Ω 40W) or soldering iron (plug) between +, - terminals of the electrolytic capacitor on the contrary side of the outdoor PCB.

  • Page 31: Indoor Unit Error Display

    8.1 Indoor Unit Error Display Operation Timer lamp Display LED STATUS lamp ☆ 1 time Indoor unit EEPROM parameter error ☆ 2 times Indoor / outdoor units communication error ☆ 4 times Indoor fan speed has been out of control Indoor room temperature sensor T1 open circuit or ☆...

  • Page 32: Trouble Shooting

    8.2 Trouble shooting 8.2.1 EEPROM parameter error diagnosis and solution(E0/F4) E0/F4 Error Code Malfunction decision Indoor or outdoor PCB main chip does not receive feedback conditions from EEPROM chip. Supposed causes Installation mistake ● PCB faulty ● Trouble shooting: Power off, then restart the unit 2 minutes later.
  • Page 33 8.2.2 Indoor / outdoor unit’s communication diagnosis and solution(E1) Error Code Malfunction decision Indoor unit does not receive the feedback from outdoor unit conditions during 110 seconds and this condition happens four times continuously. Supposed causes Wiring mistake ● Indoor or outdoor PCB faulty ●...
  • Page 34 Remark: Use a multi meter to test the resistance of the reactor which does not connect with capacitor. The normal value should be around zero ohm. Otherwise, the reactor must have malfunction and need to be...
  • Page 35 8.2.3 Fan speed has been out of control diagnosis and solution(E3) Error Code Malfunction decision When indoor fan speed keeps too low (300RPM) for certain time, conditions the unit will stop and the LED will display the failure. Supposed causes Wiring mistake ●...
  • Page 36 Index1: 1:Indoor or Outdoor DC Fan Motor(control chip is in fan motor) Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector. If the value of the voltage is not in the range showing in below table, the PCB must has problems and need to be replaced.
  • Page 37 8.2.4 Refrigerant Leakage Detection diagnosis and solution(EC) Error Code Malfunction decision Define the evaporator coil temp.T2 of the compressor just starts conditions running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 ＜Tcool－2℃ does not keep continuous 4 seconds and this situation happens 3 times, the display area will show “EC”...
  • Page 38 8.2.5 Open circuit or short circuit of temperature sensor diagnosis and solution(E5) E4/E5/F1/F2/F3 Error Code Malfunction decision If the sampling voltage is lower than 0.06V or higher than 4.94V, conditions the LED will display the failure. Supposed causes Wiring mistake ●...
  • Page 39 8.2.6 IPM malfunction or IGBT over-strong current protection diagnosis and solution(P0) Error Code Malfunction decision When the voltage signal that IPM send to compressor drive chip conditions is abnormal, the display LED will show “P0” and AC will turn off. Supposed causes Wiring mistake ●...
  • Page 40 8.2.7 Over voltage or too low voltage protection diagnosis and solution(P1) Error Code Malfunction decision An abnormal voltage rise or drop is detected by checking the conditions specified voltage detection circuit. Supposed causes Power supply problems. ● System leakage or block ●...
  • Page 41 8.2.8 High temperature protection of compressor top diagnosis and solution(P2) Error Code Malfunction decision If the sampling voltage is not 5V, the LED will display the failure. conditions Supposed causes Power supply problems. ● System leakage or block ● PCB faulty ●...
  • Page 42 8.2.9 Inverter compressor drive error diagnosis and solution(P4) Error Code Malfunction decision An abnormal inverter compressor drive is detected by a special conditions detection circuit, including communication signal detection, voltage detection, compressor rotation speed signal detection and so on. Supposed causes Wiring mistake ●...
  • Page 43 Main parts check 1. Temperature sensor checking Disconnect the temperature sensor from PCB, measure the resistance value with a tester. Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor discharge temp.(T5) sensor. Measure the resistance value of each winding by using the multi-meter.
  • Page 44 °C °F °C °F °C °F °C °F K Ohm K Ohm K Ohm K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148 101.517 11.5 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865 10.4736 2.03732 0.56038 84.219 1.96532 0.54448 79.311 9.55074 1.89627 0.52912...
  • Page 45 A ppendix 2 Temperature Sensor Resistance Value Table for T5 (°C --K) °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9 59.98 12.21 3.392...
  • Page 46 2.Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value ASN98D22UFZ ASM135D23UFZ ATF235D22UMT Blue - Red 1.57Ω 1.75Ω 0.75Ω Blue - Black (20℃/68℉) (20℃/68℉) (20℃/68℉) Red - Blue...

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