Midea MS9V-09HRDN1-QC2 9V Series Скачать руководство пользователя страница 33 | Manualshive

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8.4.3.3 Indoor fan running rules:

The speed can be selected as high, medium, low and auto, the anti-cold-wind function has the priory.

If reached the set temperature, the indoor fan transfers to lowest speed, the anti-cold wind function

has the priory.

If mode transferred or compressor restarted, indoor fan works with setting fan speed.

Anti-cold-wind function control principle:

For the18K unit

For the 24K unit

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Содержание MS9V-09HRDN1-QC2 9V Series

Страница 1: ...9VSI 1010 A SERVICE MANUAL MIDEA AIRCONDITIONER DC INVERTER SPLIT WALL MOUNTED TYPE MS9V 18HRDN1 QC2 B MS9V 24HRDN1 QC2W 9V SERIES...

Страница 2: ...the cables 14 6 3 Pipe length and the elevation 14 6 4 Air purging with vacuum pump 15 6 5 Pumping down Re installation 16 6 6 Re air purging Re installation 18 6 7 Balance refrigerant of the 2 way 3...

Страница 3: ...a qualified electrician or an Authorized service center Do not disassemble or repair the product there is risk of fire or electric shock Always ground the product There is risk of fire or electric sho...

Страница 4: ...ndense and wet or damage furniture Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric shock Do not place anything on the power c...

Страница 5: ...soaked flooded or submerged contact an Authorized service center There is risk of fire or electric shock Be caution that water could not enter the product There is risk of fire electric shock or prod...

Страница 6: ...Do not expose the skin directly to cool air for long periods of time Do not sit in the draft This could harm to your health Do not use the product for special purposes such as preserving foods works...

Страница 7: ...tool or ladder when cleaning or maintaining the product Be careful and avoid personal injury Replace the all batteries in the remote control with new ones of the same type Do not mix old and mew batte...

Страница 8: ...Restarting is for approx 3 minutes Auto Restart Function high med low auto The unit will decide the louver direction according to operation mode The fan is turn to low speed cooling heating The funct...

Страница 9: ...on mode Hydrophilic aluminum fin It is only operated in the heating operation mode except defrosting operation Anti rust cabinet Valve protection cover 4 way valve control Made from electrolytic zinc...

Страница 10: ...8 3 Dimension 3 1 Indoor Unit Dimension Mode W H D MS9V 18HRDN1 QC2 B 995 295 200 MS9V 24HRDN1 QC2W 1084 320 221 MS9V 18HRDN1 QC2 B...

Страница 11: ...9 MS9V 24HRDN1 QC2W...

Страница 12: ...10 3 2 Outdoor Unit MOC2 18HDN1 QC2 MOF 24HDN1 QC2W Dimension Mode W D H W1 A B 18K 760 285 590 823 530 290 Dimension Mode W D H W1 A B 24K 845 335 695 918 560 335...

Страница 13: ...11 4 Refrigerant Cycle Diagram...

Страница 14: ...12 5 Wiring Diagram 5 1 Indoor MS9V 18HRDN1 QC2 B MS9V 24HRDN1 QC2...

Страница 15: ...13 5 2 Outdoor Unit MOC2 18HDN1 QC2 MOF 24HDN1 QC2W...

Страница 16: ...500 357kgf cm 3600 367kgf cm 16 5 8 4500 459kgf cm 4700 479kgf cm 6 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Grade Unit 18K...

Страница 17: ...s Moisture in the refrigerant circuit may freeze and block capillary tubing Water may lead to corrosion of parts in the refrigerant system Therefore the indoor units and the pipes between indoor and o...

Страница 18: ...the vacuum pump Make evacuation for 15 minutes or more and check the compound meter indicates 76cmHg 6 Turn the stem of the Hi valve about 45 counterclockwise for 6 or 7seconds after the gas coming o...

Страница 19: ...with the push pin to the gas service port 5 Air purging of the charge hose Open the low pressure valve on the charge set slightly to purge air from the charge hose 6 Set the 2 way valve to the close...

Страница 20: ...ge the air by loosening the flare nut on the 2 way valve approximately 45 for 3 seconds then closing it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut t...

Страница 21: ...alve s service port Leave the valve on the charge set closed Connect the charge hose with the push pin to the service port 3 Open the valves Low side on the charge set and discharge the refrigerant un...

Страница 22: ...ved 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...

Страница 23: ...e system cannot be charge with the specified amount of refrigerant if can be charged with a little at a time approximately 150g each time0 while operating the air conditioner in the cooling cycle howe...

Страница 24: ...e 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...

Страница 25: ...or 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 sett...

Страница 26: ...0RPM for 50 seconds the unit stops and LED displays failure 8 3 5 Inverter module Protection Inverter module Protection itself has a protection function against current voltage and temperature If thes...

Страница 27: ...Temperature setting function is disabled and no setting temperature is display 3 Indoor fan can be set to high med low auto 4 The louver operates same as in cooling mode 5 The action of auto fan in f...

Страница 28: ...itation is active 7 minutes later compressor running frequency will be controlled as below While Temp zone A B C D E F G Frequency F8 F8 F7 F6 F5 F3 F1 Note When T1 Ts keep in the same temperature zon...

Страница 29: ...3COOL the compressor will stop and restart 3min later During the frequency decreasing if the current deceased to between I1COOL and I2COOL the frequency will hold If the frequency not changed for 3min...

Страница 30: ...the compressor will not limit the frequency again and resume to the former frequency When T3 60 for 5 seconds the compressor will stop and restart until T3 52 8 4 2 5 Evaporator low temperature T2 pr...

Страница 31: ...quency for 7 minutes according to outdoor ambient temp During the 7 minutes frequency limitation is active 7 minutes later compressor running frequency will be controlled as below While Temp zone A B...

Страница 32: ...n I2HEAT the frequency will decrease automatically if the current raise to over I3HEAT the compressor will stop and restart 3min later During the frequency decreasing if the current deceased to betwee...

Страница 33: ...wind function has the priory If reached the set temperature the indoor fan transfers to lowest speed the anti cold wind function has the priory If mode transferred or compressor restarted indoor fan...

Страница 34: ...ied any item of the condition 1 and the T2 temperature has decreased 5 starts defrosting Note T2 is the maximum value of the evaporator temperature during the anti cold wind function It s recorded by...

Страница 35: ...F 24HDN1 QC2W 90 100 8 4 3 5 High evaporator coil temp T2 protection 1 T2 TEH2 compressor running frequency decreases to the lower level every 20s If the frequency decreased to F2 and the T2 still ove...

Страница 36: ...ning mode T 1 Cooling 1 T 1 Fan only T 1 Heating Indoor fan will run at auto fan of the relevant mode The louver operates same as in relevant mode If the machine switches mode between heating and cool...

Страница 37: ...all general protections and remote control are available 8 4 6 3 Operation rules Forced cooling mode The compressor runs at F2 frequency and indoor fan runs as breeze After running for 30 minutes the...

Страница 38: ...the setting time If the timing is more than 7 hours the machine will not stop until reaches the setting time in sleep mode 8 4 9 Auto Restart function The indoor unit is equipped with auto restart fu...

Страница 39: ...ntroller 8 4 11 2 When the unit is turned on the panel is opened automatically at an angle of 60 then the horizontal louver will be opened 8 4 11 3 When the unit is turned off the panel is closed auto...

Страница 40: ...ed out of control E5 Open or short circuit of outdoor temperature sensor E6 Open or short circuit of room or evaporator temperature sensor E7 Outdoor fan speed out of control P0 IBM malfunction or IGB...

Страница 41: ...rameter error error diagnosis and solution Replace indoor PCB Shut off the power supply and turn on it 5s later The problem comes out again Is the EEPROM chip plugged in indoor PCB well NO Correct the...

Страница 42: ...normally Check the wiring between indoor and outdoor unit Is the connection of L N S and GND good No Is the LED4 red bright and LED1 yellow blinking on outdoor PCB The power supply for outdoor PCB is...

Страница 43: ...osis and solution Turn off the power supply and turn on it again 5 seconds later Is power supply and connection of connectors good Indoor PCB is defective Replace the indoor PCB Be sure the power supp...

Страница 44: ...the connection between fan and motor check if the bearing is normal If not change the bearing If yes follow the below step Replace the fan motor YES Replace the indoor PCB NO YES Check the voltage bet...

Страница 45: ...he power supply good Replace the outdoor e box Make sure the power supply is normal YES NO YES Fastening the IPM to the radiator NO Check whether the connections between outdoor PCB and IPM are good C...

Страница 46: ...Is the connection of compressor good Is the wiring sequence right The voltage range proper YES YES NO Charge refrigerant Is abnormality the same after gas charging Replace the outdoor PCB Reconnect an...

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