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innovair BIN312C2V31, Service Manual

The Innovair BIN312C2V31 user manual is a comprehensive Service Manual that can be easily downloaded for free from our website. This manual provides step-by-step instructions and essential information for operating and maintaining the product, ensuring optimal performance and longevity.

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CONTENTS 

1. Precaution .................................................................................................................................................... 1

1.1 Safety Precaution.......................................................................................................................... 1
1.2 Warning ......................................................................................................................................... 1

2. Function........................................................................................................................................................ 6
3. Dimension .................................................................................................................................................... 8

3.1 Indoor Unit..................................................................................................................................... 8
3.2 Outdoor Unit.................................................................................................................................11

4. Refrigerant Cycle Diagram ....................................................................................................................... 12
5. Wiring Diagram .......................................................................................................................................... 14

5.1 Indoor Unit................................................................................................................................... 14
5.2 Outdoor Unit................................................................................................................................ 15

6 Installation details....................................................................................................................................... 17

6.1 Wrench torque sheet for installation ........................................................................................... 17
6.2 Connecting the cables ................................................................................................................ 17
6.3 Pipe length and the elevation ..................................................................................................... 18
6.4 Installation for the first time......................................................................................................... 19
6.5 Adding the refrigerant after running the system for many years ................................................ 22
6.6 Re-installation while the indoor unit need to be repaired ........................................................... 23
6.7 Re-installation while the outdoor unit need to be repaired ......................................................... 25

7. Operation characteristics ......................................................................................................................... 28
8. Electronic function .................................................................................................................................... 29

8.1 Abbreviation ................................................................................................................................ 29
8.2 Display function........................................................................................................................... 29
8.3 Main Protection ........................................................................................................................... 30
8.4 Operation Modes and Functions................................................................................................. 31

9. Troubleshooting......................................................................................................................................... 37

9.1 Indoor Unit Error Display............................................................................................................. 37
9.2 Diagnosis and Solution ............................................................................................................... 38

Summary of Contents for BIN312C2V31

Page 1: ...CSI 1206 A SERVICE MANUAL BIN312C2V31 BIN414C2V31 BIN520C2V31 BIN625C2V31 AIR CONDITIONER ...

Page 2: ... 3 Pipe length and the elevation 18 6 4 Installation for the first time 19 6 5 Adding the refrigerant after running the system for many years 22 6 6 Re installation while the indoor unit need to be repaired 23 6 7 Re installation while the outdoor unit need to be repaired 25 7 Operation characteristics 28 8 Electronic function 29 8 1 Abbreviation 29 8 2 Display function 29 8 3 Main Protection 30 8...

Page 3: ... the product there is risk of fire or electric shock Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire of electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock Use the correctly rated breaker of fuse There is risk of fire or electric...

Page 4: ... of fire or electric shock Do not place anything on the power cable There is risk of fire or electric shock Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock Do not touch operation the product with wet hands There is risk of fire or electric shock Do not place a heater or other appliance near the power cable There is risk of fire and electric shoc...

Page 5: ...r product damage Ventilate the product from time to time when operating it together with a stove etc There is risk of fire or electric shock Turn the main power off when cleaning or maintaining the product There is risk of electric shock When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended ...

Page 6: ... or loss of property Do not block the inlet or outlet of air flow It may cause product failure Use a soft cloth to clean Do not use harsh detergents solvents etc There is risk of fire electric shock or damage to the plastic parts of the product Do not touch the metal parts of the product when removing the air filter They are very sharp There is risk of personal injury Do not step on or put anythin...

Page 7: ...rent 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 The chemical in batteries could cause burns or other health hazards The designs and info...

Page 8: ...eration mode Turbo wind high med low breeze Restarting is for approx 3 minutes Prevent the water being frozen on evaporator by sensing the evaporator pipe temperature in cooling mode Room temperature sensor Pipe temperature sensor Indoor unit Operation by remote controller Sensing by room temperature Room temperature control Anti freezing control in cooling Time Delay Safety control Indoor fan spe...

Page 9: ... OFF operations Outdoor unit Power relay control Valve protection cover Made from electrolytic zinc steel sheet and anti rust coated components Low noise air flow system Bird tail propeller fan makes the outdoor unit run more quietly Heating cable Optional Anti rust cabinet Discharge pipe temperature protection ...

Page 10: ...8 3 Dimension 3 1 Indoor Unit Model W mm H mm D mm BIN312C2V31 710 195 250 BIN414C2V31 790 195 265 BIN520C2V31 920 225 292 BIN625C2V31 1080 228 330 ...

Page 11: ...9 L R H Model R mm L mm H mm Dimension of installation hole mm BIN312C2V31 162 100 45 BIN414C2V31 151 100 45 65 Model R mm L mm H mm Dimension of installation hole mm BIN520C2V31 185 150 45 65 ...

Page 12: ...10 Model R mm L mm H mm Dimension of installation hole mm BIN625C2V31 106 5 70 45 65 ...

Page 13: ...11 3 2 Outdoor Unit Dimension Mode W D H W1 A B BIN312C2V31 700 235 535 760 458 250 BIN414C2V31 760 285 590 823 530 290 BIN520C2V31 780 250 540 838 549 276 BIN625C2V31 845 335 695 918 560 335 ...

Page 14: ...12 4 Refrigerant Cycle Diagram For cooling only models INDOOR OUTDOOR LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR CAPILIARY TUBE ...

Page 15: ...NDOOR OUTDOOR LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR 2 WAY VALVE 3 WAY VALVE CHECK VALVE Heating Model only CAPILIARY TUBE REVERSING VALVE Heating Model only COOLING HEATING ACCUMULATOR ...

Page 16: ...14 5 Wiring Diagram 5 1 Indoor Unit BIN312C2V31 BIN414C2V31 BIN520C2V31 BIN625C2V31 ...

Page 17: ...15 5 2 Outdoor Unit BIN312C2V31 BIN520C2V31 ...

Page 18: ...16 BIN625C2V31 BIN414C2V31 202037391056 ...

Page 19: ...4 6500 663kgf cm 6700 683kgf cm 6 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 0 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 on t...

Page 20: ...itional refrigerant g m 9k 3 8 9 52 1 4 6 35 5 8 20 20 12k 15k 1 2 12 7 1 4 6 35 5 8 20 20 18k 1 2 12 7 1 4 6 35 5 10 25 20 24k 5 8 16 3 8 9 52 5 10 25 40 Caution The capacity test is based on the standard length and the maximum permissive length is based on the system reliability The oil trap should be installed per 5 7 meters ...

Page 21: ...ft brush to check for leakage of the connecting points of the piping If bubbles come out the pipes have leakage 1 Air purging with vacuum pump 1 Completely tighten the flare nuts of the indoor and outdoor units confirm that both the 2 way and 3 way valves are set to the closed position 2 Connect the charge hose with the push pin of handle lo to the 3 way valves gas service port 3 Connect the charg...

Page 22: ... indicator is a little higher than the atmosphere pressure Then remove the charge hose from the 3 way valve 8 Fully open the 2 way valve and 3 way valve and securely tighten the cap of the 3 way valve 2 Air purging by 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 ...

Page 23: ...erant if the pipe length 5m Procedure 1 Connect the charge hose to the charging cylinder open the 2 way valve and the 3 way valve 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 the liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the cy...

Page 24: ...onnect the charge hose to the 3 way service port open the 2 way valve and the 3 way valve Connect the charge hose to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure liquid charge 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 li...

Page 25: ...le the indoor unit need to be repaired 1 Collecting the refrigerant into the outdoor unit 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 Connect the charge hose with the push pin of handle lo to the 3 way valv...

Page 26: ...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 cylinder closed 3 Air purging Open the valves on the charging cylinder and the charge set Purge the air by loosening the flare nut on the 2 way valve approximately 45 for 3 ...

Page 27: ...o tighten the service port cap to a torque 18N m Be sure to check the gas leakage 6 7 Re installation while the outdoor unit need to be repaired 1 Evacuation for the whole system Procedure 1 Confirm that both the 2 way and 3 way valves are set to the opened position 2 Connect the vacuum pump to 3 way valve s service port 3 Evacuation for approximately one hour Confirm that the compound meter indic...

Page 28: ...ale 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 amount of refrigerant or can be charged with a little at a time approximately 150g each time operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the proced...

Page 29: ...27 Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage ...

Page 30: ...ve 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 Please set the vertical air flow louver to its maximum angle vertically to the floor and set HIGH fan mode 3 Optimum performance w...

Page 31: ...F PRE DEF Indicator only for heat pump models This indicator illuminates when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating mode TEMPERATURE indicator Usually it displays the temperature settings When change the setting temperature this indicator begins to flash and stops 20 seconds later It displays the room temperature when the a...

Page 32: ... no limit for frequency 8 3 4 Fan Speed is out of control When Indoor Fan Speed keeps too low or too high for certain time the unit will stop and the LED will display the failure 8 3 5 Inverter module Protection The Inverter module itself has a protection function against current voltage and temperature If these protections happen the corresponding code will display on indoor unit 8 3 6 Indoor fan...

Page 33: ... correct zero crossing signal time interval should be between 6 13ms 8 3 9 Sensor protection at open circuit and breaking disconnection 8 4 Operation Modes and Functions 8 4 1 Fan mode 1 Outdoor fan and compressor stop 2 Temperature setting function is disabled and no setting temperature is displayed 3 Indoor fan can be set to high med low auto 4 The louver operates same as in cooling mode 5 Auto ...

Page 34: ...7 minutes frequency limitation is active 7 minutes later the compressor running frequency will be controlled as below While the zones of A B C are corresponding to different compressor running 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 20 22 28 30 40 38 45 43 Fmax F4 Fmax ...

Page 35: ... level Hold Keep the current frequency Resume No limitation for frequency 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 Auto fan in cooling mode acts as follow Current A I3CO...

Page 36: ...rease d to the lower level every minute When 4 T2 7 the compressor will keep the current frequency When T2 7 the compressor frequency will not be limited 8 4 3 Drying mode 8 4 3 1 Indoor fan speed is fixed at breeze and can t be changed The louver angle is the same as cooling mode 8 4 3 2 Compressor running rules 2 0 1 5 1 0 F3 F2 F1 F1 2 5 0 5 0 0 8 4 3 3 Over low room temperature protection In d...

Page 37: ... touch button In these two modes the machine can be changed by remote controller to any other mode at any moment 8 4 5 2 When the machine is off pressing the touch button will carry the machine to forced auto mode after this if pressing the button once again within 5 seconds the machine will turn into forced cooling mode In forced auto forced cooling or any other operation mode pressing touch butt...

Page 38: ...ature rises 1 be lower than 30 every one hour 2 hours later the setting temperature stops rising and indoor fan is fixed as low speed 8 4 7 3 Timer setting is available 8 4 7 4 When user uses timer off function in sleep mode or sleep function in timer off mode if the timing is less than 7 hours sleep function will be cancelled when reaching the setting time If the timing is more than 7 hours the m...

Page 39: ...eed has been out of control O O E5 Open or short circuit of outdoor temperature sensor X O X E6 Open or short circuit of room or evaporator temperature sensor O O O P0 IPM malfunction or IGBT over strong current protection X X O P1 Over voltage or too low voltage protection X O O P2 Temperature protection of compressor top except BIN414C2V31 BIN520C2V31 O X X P4 Inverter compressor drive error O X...

Page 40: ...38 9 2 Diagnosis and Solution 9 2 1 EEPROM parameter error diagnosis and solution ...

Page 41: ...39 9 2 2 Indoor outdoor units communication protection diagnosis and solution ...

Page 42: ...40 9 2 3 Zero crossing signal diagnosis and solution ...

Page 43: ...41 9 2 4 Indoor fan speed has been out of control diagnosis and solution ...

Page 44: ...42 9 2 5 Open or short circuit of temperature sensor diagnosis and solution ...

Page 45: ...43 9 2 6 IPM malfunction or IGBT over strong current protection diagnosis and solution ...

Page 46: ...44 9 2 7 Over voltage or too low voltage protection diagnosis and solution ...

Page 47: ...45 9 2 8 High temperature protection of compressor top diagnosis and solution 01 20 1 3 01 4 01 9 2 9 Inverter compressor drive error diagnosis and solution ...

Page 48: ...TAGE CAUTION Connect discharge resistance approx 1005 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 Main parts check 1 Temperature sensor checking Disconnect the temperature sensor from PCB measure the resistance value with a tester ...

Page 49: ...of each winding by using the multi meter Table 1 Some frequently used R T data for T1 T2 T3 and T4 sensor Temperature 5 10 15 20 25 30 40 50 60 Resistance Value K5 26 9 20 7 16 1 12 6 10 8 5 2 3 5 2 4 Table 2 Some frequently used R T data for T5 sensor Temperature 5 15 25 35 60 70 80 90 100 Resistance Value K5 141 6 88 56 1 36 6 13 8 9 7 6 9 5 3 7 Resistance value K5 Temperature T5 T1 T2 T3 T4 ...

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