Midea 9V SERIES Скачать руководство пользователя страница 39 | Manualshive

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9. Troubleshooting

Safety

Because of capacitors in PCB and relative circuit in outdoor unit, even shut down the power supply.

Electricity power still are kept in capacitors, do not forget to discharge the electricity power in capacitor.

Electrolytic Capacitors

(HIGH VOLTAGE! CAUTION!)

Bulb (25-40W)

9.1 Indoor Unit Error Display

Display

LED STATUS

E1

EEPROM error

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Содержание 9V SERIES

Страница 1: ...9VSAP 1010 A SERVICE MANUAL MIDEA AIRCONDITIONER On Off SPLIT WALL MOUNTED TYPE 9V SERIES 9220 9221...

Страница 2: ...ng the cables 18 6 3 Pipe length and the elevation 18 6 4 Air purging with vacuum pump 19 6 5 Pumping down Re installation 20 6 6 Re air purging Re installation 22 6 7 Balance refrigerant of the 2 way...

Страница 3: ...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 shock Install the panel and th...

Страница 4: ...ake 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 cable There is risk of fire or electr...

Страница 5: ...orized 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 product damage Ventilate the product from time t...

Страница 6: ...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 of art etc It is a consumer air conditio...

Страница 7: ...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 batteries...

Страница 8: ...Off 7k MS9V 07CR QB6 MOK2 07C QB6 9k MS9V 09CR QB6 MOK6 09C QB6 12k MS9V 12CR QB6 MOA1 12C QB6 18k MS9V 18CR QB MOB 18C QB6 Cooling Heating Series Capacity Indoor units Outdoor units On Off 7k MS9V 07...

Страница 9: ...ure Indoor fan is delayed for 5 sec at the starting 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...

Страница 10: ...efficiency at operation mode Hydrophilic aluminum fin for heat pump models It is only operated in the heating operation mode except defrosting operation Anti rust cabinet Valve protection cover 4 way...

Страница 11: ...Unit Dimension Mode W H D MS9V 07CR QB6 MS9V 07HR QB6 845 290 165 MS9V 09CR QB6 MS9V 09HR QB6 845 290 165 MS9V 12CR QB6 MS9V 12HR QB6 845 290 165 MS9V 18CR QB MS9V 18HR QB6 995 292 200 For smaller tha...

Страница 12: ...9C QB6 MOK3 09H QB6 Dimension Mode W D H W1 A B 7K 9K 685 260 430 742 460 276 MOA1 12C QB6 MOB 12H QB6 MOB 18C QB6 MOB 18H QB6 Dimension Mode W D H W1 A B MOA1 12C QB6 700 235 535 760 458 250 MOB 12H...

Страница 13: ...11 4 Refrigerant Cycle Diagram Cooling only Heat pump mode...

Страница 14: ...12 5 Wiring Diagram 5 1 Indoor Unit Cooling only...

Страница 15: ...13 Cooling Heating...

Страница 16: ...14 5 2 Outdoor Unit Smaller than 18K model Cooling only...

Страница 17: ...15 Cooling Heating...

Страница 18: ...16 For 18 K model Cooling only...

Страница 19: ...17 Cooling Heating...

Страница 20: ...0 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 7K 9K 12K 18K mm2 1 5 1 5 1 5 2 5 6 3 Pipe...

Страница 21: ...rops 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 an...

Страница 22: ...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 23: ...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 p...

Страница 24: ...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 25: ...y valve 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...

Страница 26: ...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 27: ...ow side on the charge set and charge the system with liquid refrigerant If the system cannot be charge with the specified amount of refrigerant if can be charged with a little at a time approximately...

Страница 28: ...For special tropical models 7 24 11 43 21000Btu h models 18 43 21000Btu h models 21 52 For special tropical models CAUTION 1 If air conditioner is used outside of the above conditions certain safety p...

Страница 29: ...s defrosting automatically or when the warm air control feature is activated in heating mode TURBO operation display Illuminated when select TURBO function in cooling operation or in heating operation...

Страница 30: ...5Min 10 5A I3Sec 12A for 12K model IRestore 12A IFan 14A I5Min 15A I3Sec 17A for 18K model 8 3 3 Fan Speed is out of control When indoor fan speed is too low lower than 300RPM for 50 seconds the unit...

Страница 31: ...wing rule 8 4 2 2 Indoor fan running rules In cooling mode indoor fan runs all the time and the speed can be selected in high medium low and auto speed Auto fan in cooling mode acts as follow 8 4 2 3...

Страница 32: ...d Ts When T1 Ts 3 the compressor and outdoor fan will stop and restart until T1 Ts 2 During the 7min operation all the protections are valid 8 4 3 2 Indoor fan running rules Indoor fan speed can be se...

Страница 33: ...is breezing or stopped start defrosting While THDEFROST 14 TMDEFROST 15 TLDEFROST 16 for 7K model THDEFROST 15 TMDEFROST 16 TLDEFROST 17 for 9K and 12K model THDEFROST 17 TMDEFROST 18 TLDEFROST 19 fo...

Страница 34: ...efrosting actions Compressor 4 way valve Outdoor fan Indoor fan On Off On Off On Off On Off 45s 40s 10s 25S 23s 7 5min Setting defro sting time During the defrosting mode if the machine stopped or tra...

Страница 35: ...tive 3 After setting the mode AC will run in auto mode if the compressor keeps not running for 15 minutes 8 4 5 Dehumidify mode 8 4 5 1 Indoor fan speed is depended on compressor compressor starts ind...

Страница 36: ...fter 30min the unit will transfer into dehumidify mode All the protections are valid during forced cooling mode Forced auto mode The action of forced auto mode is the same as normal auto mode with 24...

Страница 37: ...stop until reaches the setting time in sleep mode 8 4 9 Auto Restart function The indoor unit is equipped with auto restart function which is carried out through an auto restart module In case of a su...

Страница 38: ...the moving If indoor fan stopped the horizontal swing is invalid 8 4 11 8 Heating Control by remote control In heating operation the preset temperature of the air conditioner can be as lower as 8 whi...

Страница 39: ...in outdoor unit even shut down the power supply Electricity power still are kept in capacitors do not forget to discharge the electricity power in capacitor Electrolytic Capacitors HIGH VOLTAGE CAUTIO...

Страница 40: ...sor E6 Evaporator temperature sensor open or short circuit 9 2 Diagnosis and Solution 9 2 1 E1 EEPROM parameter error error diagnosis and solution Replace indoor PCB Shut off the power supply and turn...

Страница 41: ...39 9 2 2 E2 Zero Crossing Error Zero crossing error Unplug the power cord and plug it after 2 seconds Replace the main PCB The problem remains YES...

Страница 42: ...fan Does it rotate freely NO Disassemble 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 t...

Страница 43: ...he units and check if the problem remains Repair the power supply The power supply is problematic Disconnect with the power and replace the main PCB Check if the operation condition is normal especial...

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