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Invest MSC-24/QD FP, Руководство по обслуживанию

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33

9.3  Key parts checking. 

9.3.1.  Compressor checking (Model:

 

DA150S1C-20FZ) 

        Measure the resistance value of each winding by using the multi-meter.   

Position

 

 

Resistance Value 

 

Blue - Red 

0.95

Ω

 

Blue - 

Black 

(20

Ԩ

) 

Red - Blue 

             

 

 

9.3.2    Outdoor Fan Motor (Model: YDK53-6N) 

        Measure the resistance value of each winding by using the multi-meter. 

Position

 

 

Resistance Value 

 

Black - 

Red 

      113

Ω

 

(20

Ԩ

) 

               

 

 

Red 

-Yellow 

113

Ω

 (20

Ԩ

) 

 

 

 

 

Red -Blue 

    193

Ω

 

(20

Ԩ

) 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Содержание MSC-24/QD FP

Страница 1: ...SERVICE MANUAL INVEST HEAT PUMP DC INVERTER SPLIT WALL MOUNTED TYPE MSC 24 QD FP MSH 24 QD FP V1 0 Nov 2009...

Страница 2: ...function 19 8 3 Protection Fel Bokm rket r inte definierat 8 4 Fan Only Mode Fel Bokm rket r inte definierat 8 5 Cooling Mode Fel Bokm rket r inte definierat 8 6 Drying mode Fel Bokm rket r inte defin...

Страница 3: ...aler or an Authorized service center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand It may cause injury accident or damage to the...

Страница 4: ...y A bad connection may cause water leakage Keep level even when installing the product To avoid vibration of water leakage Do not install the product where the noise or hot air from the outdoor unit c...

Страница 5: ...ll batteries in the remote control with new ones of the same type Do not mix old and mew batteries or different types of batteries There is risk of fire or explosion Do not recharge or disassemble the...

Страница 6: ...ver direction according to operation 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 c...

Страница 7: ...ency at operation 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 ele...

Страница 8: ...6 3 Dimension 3 1 Indoor Unit MSC 24 QD FP MSH 24 QD FP...

Страница 9: ...7 3 2 Outdoor Unit MSC 24 QD FP...

Страница 10: ...ing Input W 72 70 54 50 72 70 54 50 Capacitor u 3 3 Indoor fan motor Speed hi mi lo r 1260 1210 1020 950 1260 1210 1020 950 Indoor air flow Hi Mi Lo m 1150 1080 960 1150 1080 960 Indoor noise level Hi...

Страница 11: ...9 5 Refrigerant cycle diagram...

Страница 12: ...10 6 Wiring diagram 6 1 Indoor Unit MSC 24 QD FP MSH 24 QD FP...

Страница 13: ...11 6 2 Outdoor Unit MSC 24 QD FP...

Страница 14: ...5 8 16 0 3 8 9 52 5 10 25 40 Caution Capacity is based on standard length and maximum allowance length is base of reliability Oil trap should be installed per 5 7 meters 7 4 Air purging of the piping...

Страница 15: ...onds and then wait for one minute 5 Use torque wrench to tighten the service port cap to a torque of 1 8 kgf m 18N m 6 Set the 3 way valve to the opened position 7 Mounted the valve stem nuts to the 2...

Страница 16: ...hose 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 cl...

Страница 17: ...te repeat 3 times After purging the air use a torque wrench to tighten the flare nut to on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigera...

Страница 18: ...ice port 3 Open the valves Low side on the charge set and discharge the refrigerant until the gauge indicates 0 05 to 0 1Mpa If there is no air in the refrigeration cycle the pressure when the air con...

Страница 19: ...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 20: ...fied 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 however one time is not sufficient wait appr...

Страница 21: ...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 temperatu...

Страница 22: ...t current voltage and temperature If these protections happened the unit will stop and LED display error code 8 3 6 Indoor fan delayed open function When the unit is turned on at all modes the indoor...

Страница 23: ...nutes the frequency will change as follow Zone A Current frequency rise a grade till the maximum grade F8 Zone B Keep the current frequency of compressor Zone C Descend the current frequency of compre...

Страница 24: ...od 8 6 2 m temperature is lower than 10 compressor will stop and not resume until room 8 6 3 emperature protection and outdoor unit frequency limit are valid 6 4 Horizontal louver action is the same a...

Страница 25: ...ut anti cold wind function is preferential Auto fan action in heating mode T oom temp setting Temp medium 2 5 2 0 1 5 1 0 low high cy is as follow y one grade and not stop until the maximum grade Zone...

Страница 26: ...the machine will defrost no matter if T2 drops for more than 5 or not If any one of following items is satisfied defrosting will finish and the machine will turn to normal heating mode econds c The ma...

Страница 27: ...6 times or more within 10 seconds make sure indoor unit receives these signals the machine will turn into rating capacity test mode the buzzer will make a di sound for 2 seconds continuously Also ind...

Страница 28: ...the touch button twice within 5s the unit will enter forced cooling mode When the unit is or forced cooling mode pressing the touch button continuously 8 9 3 In forced operation mode all general prote...

Страница 29: ...in timer off mode if the timing time is less than 7 hours sleep function will be cancelled when reaching the setting time If the timing time is more than 7 hours the machine will not stop until reache...

Страница 30: ...pacitors 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 Electr...

Страница 31: ...E5 Open or short circuit of outdoor temperature sensor E6 Open or short circuit of room or evaporator temperature sensor P0 Inverter module over strong current protection P1 Over voltage or too low v...

Страница 32: ...NO NO Reconnect and retest again Is the LED4 red on outdoor PCB bright and LED1 yellow blinking Replace outdoor e box Yes Yes The power supply for outdoor PCB is fail Check the wiring on outdoor PCB...

Страница 33: ...protection diagnosis and solution Is all connections on PCB and between PCB and compressor good Repair or correct the connector or connection Replace the outdoor PCB and then repower on Is the failur...

Страница 34: ...s protector normal Replace the protector NO YES Check the outdoor main PCB Is there some problem Replace the outdoor PCB YES 9 2 8 P4 inverter compressor drive error diagnosis and solution Is the conn...

Страница 35: ...value of each winding by using the multi meter Position Resistance Value Blue Red 0 95 Blue Black 20 Red Blue 9 3 2 Outdoor Fan Motor Model YDK53 6N Measure the resistance value of each winding by usi...

Страница 36: ...haust temp Te sensor Measure the resistance value of each winding by using the multi meter Some frequently used R T data for T1 T2 T3 and T4 sensor Te mperature 0 5 0 5 0 0 0 0 Re sistance Value K 6 9...

Страница 37: ...35...

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