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VSI-1104-A

SERVICE MANUAL

MIDEA AIRCONDITIONER

DC INVERTER

SPLIT WALL-MOUNTED TYPE

Vertu SERIES

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Содержание Vertu

Страница 1: ...VSI 1104 A SERVICE MANUAL MIDEA AIRCONDITIONER DC INVERTER SPLIT WALL MOUNTED TYPE Vertu SERIES...

Страница 2: ...ng the cables 21 6 3 Pipe length and the elevation 22 6 4 Air purging with vacuum pump 23 6 5 Pumping down Re installation 24 6 6 Re air purging Re installation 25 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 condition...

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: ...HDN1 QC2W MSV1 18HRDN1 QC2F E MOC2 18HDN1 QC2 MSV1 09HRDN1 QC2 MOR 09HDN1 QC2 MSV1 12HRDN1 QC2 MOR 12HDN1 QC2 MSV1 09HRFN1 ND2E MOC 09HDN1 ND2E MSV1 12HRFN1 ND0E MOC1 12HFN1 ND0E MSV1 09HRDN1 QC8 MOC...

Страница 9: ...h med low breeze Restarting is for approx 3 i t Prevent the water being frozen on evaporator by sensing the evaporator pipe temperature in cooling mode Room temperature sensor Pipe temperature sensor...

Страница 10: ...eration 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...

Страница 11: ...D MSV1 09HRDN1 QC2 MSV1 09HRDN1 QC2 D 795 270 165 MSV1 12HRDN1 QC2 MSV1 09HRFN1 ND2E MSV1 12HRFN1 ND0E MSV1 09HRDN1 QC8 MSV1 12HRDN1 QC4 MSV1 12HRDN1 QC2 D 845 286 165 MSV1 18HRDN1 QC2F D MSV1 18HRDN...

Страница 12: ...C2 MOR 12HDN1 QC2 670 250 540 715 484 275 MOC2 18HDN1 QC2 MOC 09HDN1 ND2E MOC1 12HFN1 ND0E MOC 12HDN1 QC4 MOC 09HDN1 QC8 760 285 590 823 530 290 MOF 24HDN1 QC2W 845 335 695 918 560 335 MOA 09HDN1 QC2...

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

Страница 14: ...12 5 Wiring Diagram 5 1 Indoor Unit MSV1 09HRDN1 QC2 MSV1 12HRDN1 QC2 MSV1 18HRDN1 QC2F D MSV1 09HRDN1 QC8 MSV1 12HRDN1 QC4 MSV1 09HRDN1 QC2 D MSV1 12HRDN1 QC2 D...

Страница 15: ...13 MSV1 24HRDN1 QC2W MSV1 18HRDN1 QC2F E...

Страница 16: ...14 MSV1 09HRFN1 ND2E MSV1 12HRFN1 ND0E...

Страница 17: ...15 5 2 Outdoor Unit MOR 09HDN1 QC2 MOR 12HDN1 QC2...

Страница 18: ...16 MOC2 18HDN1 QC2 MOF 24HDN1 QC2W...

Страница 19: ...17 MOC2 18HDN1 QC2...

Страница 20: ...18 MOC 09HDN1 ND2E MOC1 12HFN1 ND0E...

Страница 21: ...19 MOC 09HDN1 QC8 MOC 12HDN1 QC4...

Страница 22: ...20 MOA 09HDN1 QC2 MOB4 12HDN1 QC2...

Страница 23: ...50 750kgf cm 6 2 Connecting the cables he 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...

Страница 24: ...SV1 09HRDN1 QC8 MSV1 09HRDN1 QC2 D 4 8 6 35 3 8 9 53 5 8 20 20 MSV1 18HRDN1 QC2F E MSV1 18HRDN1 QC2FD 1 2 12 7 4 8 6 35 5 10 25 20 MSV1 12HRFN1 ND0E MSV1 12HRDN1 QC4 MSV1 12HRDN1 QC2 D 1 2 12 7 4 8 6...

Страница 25: ...um pump Vacuum pump adaptor Lo Hi Handle Hi Two way valve Close Manifold valve Compound meter Pressure gauge 76cmHg Handle Lo Charge hose Charge hose Outdoor unit Close Three way valve Procedure 1 Com...

Страница 26: ...the packed valve Gas leak check Soap water method Apply soap water or a liquid neutral detergent on the indoor unit connections or outdoor unit connections by a soft brush to check for leakage of the...

Страница 27: ...set the 3 way valve to the closed position Do this quickly so that the gauge ends up indicating 0 3 to 0 5Mpa Disconnect the charge set and amount the 2 way and 3 way valve s stem nuts and service por...

Страница 28: ...connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant until the gauge indicates 0 3 to 0 5 Mpa 6 Disconnect the charge set and...

Страница 29: ...o air in the refrigeration cycle it will not be necessary to apply an evacuation Discharge the refrigeration gradually if it is discharged too suddenly the refrigeration oil will be discharged 6 8 Eva...

Страница 30: ...press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Open the valves Low side on the charge set and charge the system with liquid refrigerant 4 Immediately...

Страница 31: ...If air conditioner is used beyond the above conditions the certain protections may action 2 Room relative humidity should be less than 80 If the air conditioner operates in excess of this value the su...

Страница 32: ...inated when Ionizer is activated TURBO operation display Illuminated when select TURBO function in cooling operation or in heating operation DIGITAL DISPLAY Displayed the current setting temperature o...

Страница 33: ...nit stops and LED displays failure and the error can t resume automatically 8 3 5 Inverter module Protection Inverter module protection itself has a protection function against current voltage and tem...

Страница 34: ...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...

Страница 35: ...e 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 keeps in the same temp zone for 3 minutes the compressor will run as the below rules A E Increase the...

Страница 36: ...2COOL I3COOL MSV1 09HRDN1 QC2 MOR 09HDN1 QC2 4 5 5 5 6 5 MSV1 12HRDN1 QC2 MOR 12HDN1 QC2 5 5 6 5 7 5 MSV1 18HRDN1 QC2F D MOC2 18HDN1 QC2 9 10 11 MSV1 18HRDN1 QC2F E MOC2 18HDN1 QC2 MSV1 24HRDN1 QC2W M...

Страница 37: ...pressor will keep running at the current frequency When T3 52 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...

Страница 38: ...ressor after starting submits to following rule After A C starts up the compressor will run at the Fmax frequency for 7 minutes according to outdoor ambient temp During the 7 minutes frequency limitat...

Страница 39: ...o F1 H Run at F1 for 1h If T1 Ts T 6 compressor will stop Meanwhile the compressor running frequency is limited by the current If the current increased more than I2HEAT the frequency will decrease aut...

Страница 40: ...QC2 D MOB4 12HDN1 QC2 5 6 6 8 7 9 MSV1 09HRDN1 QC2 D MOA 09HDN1 QC2 5 4 6 4 6 9 8 4 3 2 Outdoor fan running rules Outdoor fan and compressor start up at the same time outdoor fan stop 30s delay after...

Страница 41: ...1 If T4 0 When the units are running if any one of the following conditions is satisfied the unit starts defrosting If the accumulated time of the unit working within T3 3 reached 40 minutes and T3 k...

Страница 42: ...es starts defrosting Condition of ending defrosting If any one of following items is satisfied defrosting will stop and the machine will turn to normal heating mode T3 TCDE1 Model TCDE1 MSV1 09HRDN1 Q...

Страница 43: ...E Model FD FD1 MSV1 18HRDN1 QC2F D MOC2 18HDN1 QC2 60 70 MSV1 18HRDN1 QC2F E MOC2 18HDN1 QC2 MSV1 24HRDN1 QC2W MOF 24HDN1 QC2W 90 100 For MSV1 09HRDN1 QC2 MSV1 12HRDN1 QC2 MSV1 09HRFN1 ND2E MSV1 12HRF...

Страница 44: ...DN1 QC8 MOC 09HDN1 QC8 MSV1 12HRDN1 QC4 MOC 12HDN1 QC4 MSV1 09HRDN1 QC2 D MOA 09HDN1 QC2 MSV1 12HRDN1 QC2 D MOB4 12HDN1 QC2 MSV1 24HRDN1 QC2W MOF 24HDN1 QC2W 55 8 4 4 Auto mode This mode can be chosen...

Страница 45: ...ode 8 4 5 5 The outdoor fan operates same as in cooling mode 8 4 6 Forced operation function 8 4 6 1 Enter forced operation function Pressing the touch button once the machine will transfer into force...

Страница 46: ...me is relative time 8 4 7 7 The tolerance of timer is 1 minute per hour 8 4 8 Sleep function mode 8 4 8 1 Operation time in sleep mode is 7 hours After 7 hours the AC quits this mode and turns off 8 4...

Страница 47: ...e unit is turned on the panel is opened automatically at an angle of 50 then the horizontal louver will be opened 8 4 10 3 When the unit is turned off the panel is closed automatically at an angle of...

Страница 48: ...46 also turned off...

Страница 49: ...speed 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...

Страница 50: ...parameter 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 con...

Страница 51: ...rmally 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 fa...

Страница 52: ...if the errors happen again Is the fan motor connector and connection good The unit does not work normally Turn off the unit rotate the cross fan Does it rotate freely No Disassemble the connection bet...

Страница 53: ...protector normal No No Is the connection good There is block Such as capillary or welded points of the pipes Is refrigerant circulation volume normal Replace it Reconnect it Does compressor operate Is...

Страница 54: ...s is alarm signal when the main chip can t detect over zero signal When such failure occurs the main control board must have fault Yes Replace the outdoor PCB Replace inverter compressor Reconnect and...

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