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Vivax R DESIGN ACP-12CH35AERI GOLD, Service Manual

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Vivax R DESIGN ACP-12CH35AERI GOLD Service Manual Download Page 37

 

35 

 

8.2.4 Refrigerant Leakage Detection diagnosis and solution(EC)

 

Error Code 

EC

 

Malfunction decision 
conditions 

Define the evaporator coil temp.T2 of the compressor just starts 
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” and   
AC will turn off.   

Supposed causes 

●

 

T2 sensor faulty 

●

 

Indoor PCB faulty 

●

 

System problems, such as leakage or blocking. 

Trouble shooting: 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for R DESIGN ACP-12CH35AERI GOLD

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

Page 2: ...ation 13 5 4 Installation for the first time 14 5 5 Adding the refrigerant after running the system for many years 15 5 6 Re installation while the indoor unit need to be repaired 16 5 7 Re installation while the outdoor unit need to be repaired 17 6 Operation Characteristics 18 7 Electronic function 19 7 1 Abbreviation 19 7 2 Display function 19 7 3 Main Protection 20 7 4 Operation Modes and Func...

Page 3: ...es could cause injury be especially careful of the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an authorized service center Do not install the product on a defective installation stand Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product fail...

Page 4: ... of product Low refrigerant levels may cause failure of product Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage Keep level even when installing the product It can avoid vibration of water leakage Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your nei...

Page 5: ...void personal injury Replace the all batteries in the remote control with new ones of the same type Do not mix old and new 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 wate...

Page 6: ...0AERI I ACP 24CH70AERI O Cold catalyst filter Silver Ico Filter O Vitamin C Filter O 3M HAM Filter O Bio Filter O Golden Fin O Super Ionizer O Compressor Crankcase Heater O Self cleaning O Louver Position Memory Function Refrigerant Leakage Detect Self diag Function Hydrophilic Aluminum Fin Anti rust Cabinet Valve Protection Cover PTC Heating Belt O Filter 2 ways of drainage O optional ...

Page 7: ...5 3 Dimension 3 1 Indoor Unit Model W D H ACP 12CH35AERI I 802 189 297 ACP 18CH50AERI I 965 215 319 ACP 24CH70AERI I 1080 226 335 ...

Page 8: ...6 For ACP 12CH35AERI I For ACP 18CH50AERI I ...

Page 9: ...7 For ACP 24CH70AERI I ...

Page 10: ...8 3 2 Outdoor Unit More than 30cm More than 60cm More than 200cm More than 30cm More than 60cm Service space Fence or obstacles ...

Page 11: ...9 For ACP 12CH35AERI O ACP 18CH50AERI O 800 W 514 W1 554 60 85 5 340 12 0 311 815 W3 365 333 D 70 W2 H H1 H2 D1 D2 D3 62 B1 106 B2 20 A1 R20 R6 61 6 A2 ...

Page 12: ...10 For ACP 24CH70AERI O ...

Page 13: ...DE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR 2 WAY VALVE 3 WAY VALVE 4 WAY VALVE COOLING HEATING T2 Evaporator temp sensor T1 Room temp sensor ACCUMULATOR INDOOR OUTDOOR CHECK VALVE Heating Model only CAPILIARY TUBE ...

Page 14: ...19 3 4 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 mm 3 and 6 0 75 6 and 10 1 10 and 16 1 5 16 and 25 2 5 The cable size and the current of the fuse or switch are determined by the maximum current indicated on the nameplate which located o...

Page 15: ...nal refrigerant g m Gas Liquid ACP 12CH35AERI I ACP 12CH35AERI O 3 8 Ф9 52 1 4 Ф6 35 5 10 25 15 ACP 18CH50AERI I ACP 18CH50AERI O 1 2 Ф12 7 1 4 Ф6 35 5 20 30 15 ACP 24CH70AERI I ACP 24CH70AERI O 5 8 Ф15 9 3 8 Ф9 52 5 25 50 30 Caution The capacity test is based on the standard length and the maximum permissive length is based on the system reliability ...

Page 16: ...ve 5 Operate the vacuum pump to evacuate 6 Make evacuation for 30 minutes and check whether the compound meter indicates 0 1Mpa If the meter does not indicate 0 1Mpa after pumping 30 minutes it should be pumped 20 minutes more If the pressure can t achieve 0 1Mpa after pumping 50 minutes please check if there are some leakage points Fully close the handle Lo valve of the manifold valve and stop th...

Page 17: ...the electronic scale and record the weight 4 Operate the air conditioner at the cooling mode 5 Open the valves Low side on the charge set and charge the system with liquid refrigerant 6 When the electronic scale displays the proper weight refer to the table disconnect the charge hose from the 3 way valve s service port immediately and turn off the air conditioner before disconnecting the hose 7 Mo...

Page 18: ...e 2 way and 3 way valve s stem nuts Use a torque wrench to tighten the 3 way valves service port cap to a torque of 18N m Be sure to check for gas leakage 2 Air purging by the refrigerant 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 cyli...

Page 19: ...rge 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 3 Put the charging cylinder onto the electronic scale and record the weight 4 Open the valves Low side on the charge set and charge the system with liquid refrigerant If the system cannot be charge with the specified...

Page 20: ...ditioner is used beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air conditioner operates beyond this figure the surface of the air conditioner may attract condensation Please set the vertical air flow louver to its maximum angle vertically to the floor and set...

Page 21: ...mode Displays the self diagnostic codes Dispalys for three seconds when Timer ON Fresh Swing Turbo or Silence feature is activated Dispalys for three seconds when Fresh Swing Turbo or Silence feature is cancelled Dispalys under deforsting operation Dispalys when anti cold air feature is activated under heating mode Dispalys during self clean operation if aplicable Dispalys under 8 heating operatio...

Page 22: ...ion When the unit starts up the louver will be active immediately and the indoor fan will open 7s later If the unit runs in heating mode the indoor fan will be also controlled by anti cold wind function 7 3 7 Compressor preheating functions Preheating permitting condition When T4 outdoor ambient temperature 3 C the preheating function will be activated 7 3 8 Sensor protection at open circuit and b...

Page 23: ...ferent fan speed according to T4 For different outdoor units the fan speeds are different T 4 A A B C D E 7 4 2 3 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 The indoor fan is controlled as below Setting fan speed Actual fan speed H H H G A H H B C M M M Z D M M M E F L L L D G L L L H I T1 Td F L L L L D H H H H G...

Page 24: ...s on the indoor fan can be set to high med low auto And the anti cold wind function has the priority The indoor fan is controlled as below Setting fan speed Actual fan speed H H H G A H H B C M M M Z D M M M E F L L L D G L L L H I T1 Td F L L L L D H H H H G M M M M Z Auto fan action in heating mode a b c d T 1 e 7 4 3 4 Defrosting mode AC will enter the defrosting mode according to the value of ...

Page 25: ...de is the same as normal auto mode with 24 setting temperature When AC receives signals such as switch on switch off timer on timer off mode setting fan speed setting sleeping mode setting follow me setting it will quit the forced operation 7 4 7 Timer function 7 4 7 1 Timing range is 24 hours 7 4 7 2 Timer on The machine will turn on automatically when reaching the setting time 7 4 7 3 Timer off ...

Page 26: ...2 8 Heating optional In heating operation the preset temperature of the air conditioner can be as lower as 8 which keeps the room temperature steady at 8 and prevents household things freezing when the house is unoccupied for a long time in severe cold weather 7 4 13 Self clean optional For heat pump models which are provided with this function after running in cooling or drying mode if the user p...

Page 27: ...ptional 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: ...uiry information Displaying code Meaning T1 T1 T1 temp T2 T2 T2 temp T3 T3 T3 temp T4 T4 T4 temp T2B Tb T2B temp TP TP TP temp TH TH TH temp Targeted Frequency FT Targeted Frequency Actual Frequency Fr Actual Frequency Indoor fan speed IF Indoor fan speed Outdoor fan speed OF Outdoor fan speed EXV opening angle LA EXV opening angle Compressor continuous running time CT Compressor continuous runnin...

Page 29: ...1 139 E0 E1 E9 140 141 149 F0 F1 F9 150 151 159 Indoor fan speed Outdoor fan speed 0 OFF 1 2 3 4 Low speed Medium speed High speed Turbo For some big capacity motors 14 FF Actual fan speed Display value turns to decimal value and then multiply 10 The unit is RPM For some small capacity motors display value is from 14 FF hexadecimal the corresponding fan speed range is from 200 2550RPM EXV opening ...

Page 30: ... 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 Note The picture above is only for reference The plug of your side may be different ...

Page 31: ... detection 2 times O F1 Outdoor ambient temperature sensor T4 open circuit or short circuit 3 times O F2 Condenser coil temperature sensor T3 open circuit or short circuit 4 times O F3 Compressor discharge temperature sensor T5 open circuit or short circuit 5 times O F4 Outdoor unit EEPROM parameter error 6 times O F5 Outdoor fan speed has been out of control 1 times P0 IPM malfunction or IGBT ove...

Page 32: ...Installation mistake PCB faulty Trouble shooting Yes Replace the indoor outdoor main PCB Power off then restart the unit 2 minutes later EEPROM a read only memory whose contents can be erased and reprogrammed using a pulsed voltage For the location of EEPROM chip please refer to the below photos Note The two photos above are only for reference it s may be not same totally with the ones on your sid...

Page 33: ...lution E1 Error Code E1 Malfunction decision conditions Indoor unit does not receive the feedback from outdoor unit during 110 seconds and this condition happens four times continuously Supposed causes Wiring mistake Indoor or outdoor PCB faulty Trouble shooting ...

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: ...tion E3 Error Code E3 Malfunction decision conditions When indoor fan speed keeps too low 300RPM for certain time the unit will stop and the LED will display the failure Supposed causes Wiring mistake Fan ass y faulty Fan motor faulty PCB faulty Trouble shooting ...

Page 36: ...control chip is in outdoor PCB Power on and check if the fan can run normally if the fan can run normally the PCB must has problems and need to be replaced If the fan can t run normally measure the resistance of each two pins If the resistance is not equal to each other the fan motor must have problems and need to be replaced otherwise the PCB must has problems and need to be replaced 3 Indoor AC ...

Page 37: ... the compressor just starts 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 and AC will turn off Supposed causes T2 sensor faulty Indoor PCB faulty System problems such as leakage or blocking Trouble shooting ...

Page 38: ...f the sampling voltage is lower than 0 06V or higher than 4 94V the LED will display the failure Supposed causes Wiring mistake Sensor faulty Trouble shooting Check the connection between temperature sensor and PCB Correct the connection No Yes Replace indoor or outdoor main PCB Measure the resistance value of the sensor Repalce the sensor No Yes ...

Page 39: ...d causes Wiring mistake IPM malfunction Outdoor fan ass y faulty Compressor malfunction Outdoor PCB faulty Trouble shooting IPM continuity check Turn off the power let the large capacity electrolytic capacitors discharge completely and dismount the IPM Use a digital tester to measure the resistance between P and UVWN UVW and N Digital tester Normal resistance value Digital tester Normal resistance...

Page 40: ...agnosis and solution P1 Error Code P1 Malfunction decision conditions An abnormal voltage rise or drop is detected by checking the specified voltage detection circuit Supposed causes Power supply problems System leakage or block PCB faulty Trouble shooting ...

Page 41: ...ompressor top diagnosis and solution P2 Error Code P2 Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Power supply problems System leakage or block PCB faulty Trouble shooting ...

Page 42: ...bnormal inverter compressor drive is detected by a special detection circuit including communication signal detection voltage detection compressor rotation speed signal detection and so on Supposed causes Wiring mistake IPM malfunction Outdoor fan ass y faulty Compressor malfunction Outdoor PCB faulty Trouble shooting ...

Page 43: ...ue 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 Appendix 1 Temperature Sensor Resistance Value Table for T1 T2 T3 T4 C K ...

Page 44: ...8 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982 1 34 33 3269 41 106 4 96392 81 178 1 13604 121 250 0 35042 2 36 31 5635 42 108 4 76253 82 180 1 09958 122 252 0 3413 3 37 29 9058 43 109 4 5705 83 181 1 06448 123 253 0 33246 4 39 28 3459 44 111 4 38736 84 183 1 03069 124 255 0 3239 5 41 ...

Page 45: ... 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 102 30 36 79 174 7 086 119 246 2 174 0 32 180 9 40 104 29 15 80 176 6 859 120 248 2 117 1 34 171 9 41 106 28 81 178 6 641 121 250 2 061 2 36 163 3 42 108 26 9 82 180 6 43 122 252 2 007 3 37 155 2 43 109 25 86 83 181 6 228 123 253...

Page 46: ...pressor checking Measure the resistance value of each winding by using the tester Position Resistance Value ASN98D22UFZ ASM135D23UFZ ATF235D22UMT Blue Red 1 57Ω 20 68 1 75Ω 20 68 0 75Ω 20 68 Blue Black Red Blue ...

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