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Midea IC SI-A-1205, Руководство по обслуживанию

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Midea IC SI-A-1205 Скачать руководство пользователя страница 53

 

 

53 

Spec. 

Code 

2T0032300776 

2T0032400215 

Indoor code 

220032308300 

220032402810 

Indoor 

MSIC-09HRDN1-QC2 

MSIC-12HRDN1-QC2 

Outdoor code 

220037305880 

220037401990 

Outdoor 

MOR-09HDN1-QC2 

MOR-12HDN1-QC2 

Compressor 

DA89X1C-23EZD1 

DA89X1C-23EZD1 

Indoor fan motor 

RPG20E 

RPG20E 

Outdoor fan motor 

YDK24-6P(B) 

YDK24-6P(B) 

 

 

2.  Compressor checking   

Measure the resistance value of each winding by using the tester.   

 

 

Position

 

Resistance Value

 

 

DA89X1C-23EZD1 

Blue - Red 

1.1Ω

 

(20

℃

) 

 

Blue - Black 

Red - Blue 

 

Содержание IC SI-A-1205

Страница 1: ...IC INVERTER SERIES Service Manual 2012 ICSI A 1205...

Страница 2: ...Pipe length and the elevation 15 6 4 Installation for the first time 16 6 5 Adding the refrigerant after running the system for many years 19 6 6 Re installation while the indoor unit need to be repa...

Страница 3: ...r 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...

Страница 4: ...with wet hands Do not place a heater or other appliance near the power cable There is risk of fire and electric shock Do not allow water to run into electrical parts It may cause fire failure of the...

Страница 5: ...e to ensure that nobody could step on or fall onto the outdoor unit This could result in personal injury and product damage CAUTION Always check for gas refrigerant leakage after installation or repai...

Страница 6: ...ilter securely Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage Do not insert hand...

Страница 7: ...12HDN1 QC2 Concealed display Super slim Easily removable filter Golden fin Dry and self clean Compressor Crankcase Heater O Self diag function Vitamin C filter O Valve protection cover Horizontal Ver...

Страница 8: ...8 3 Dimension 3 1 Indoor Unit D H W L R H Model W H D MSIC 09HRDN1 QC2 890 310 150 MSIC 12HRDN1 QC2 Model L R H mm Dimension of installation hole mm MSIC 09HRDN1 QC2 184 143 45 65 MSIC 12HRDN1 QC2...

Страница 9: ...9 3 2 Outdoor Unit More than 30cm More than 60cm More than 70cm More than 30cm More than 60cm Service space Fence or obstacles...

Страница 10: ...10 Model W D H W1 A B MOR 09HDN1 QC2 660 265 540 732 458 276 MOR 12HDN1 QC2...

Страница 11: ...INDOOR 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 onl...

Страница 12: ...12 5 Wiring Diagram 5 1 Indoor Unit MSIC 09HRDN1 QC2 MSIC 12HRDN1 QC2...

Страница 13: ...13 5 2 Outdoor Unit MOR 09HDN1 QC2 MOR 12HDN1 QC2...

Страница 14: ...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 section...

Страница 15: ...B m Max Length A m Additional refrigerant g m Gas Liquid MSIC 09HRDN1 QC2 MOR 09HDN1 QC2 3 8 9 52 1 4 6 35 5 8 20 20 MSIC 12HRDN1 QC2 MOR 12HDN1 QC2 Caution The capacity test is based on the standard...

Страница 16: ...t 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 outd...

Страница 17: ...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...

Страница 18: ...rant 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...

Страница 19: ...nnect 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 cylinde...

Страница 20: ...e 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 c...

Страница 21: ...y 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...

Страница 22: ...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 th...

Страница 23: ...le 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 ch...

Страница 24: ...24 Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage...

Страница 25: ...e above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air conditioner operat...

Страница 26: ...play area displays in a sequence of following Room temp Outdoor ambient temp Setting temp Display turns off NOTE If the indoor outdoor temperature sensor is failure it will not display the indoor outd...

Страница 27: ...out of control When Indoor Fan Speed keeps too low lower than 300RPM or too high higher than 2100RPM for certain time the unit will stop and the LED will display the failure 8 3 5 Inverter module Pro...

Страница 28: ...t the air conditioner is in urgent need Fault temp sensor Operation in cooling drying and fan only mode Operation in heating mode T1 Run supposed T1 26 high fan speed Run supposed T1 26 high fan speed...

Страница 29: ...imum operation frequency of compressor after starting submits to the following rule The maximum operation frequency is limited by outdoor ambient temp t11 t12 t13 t14 t15 t16 t17 t18 Fmax T4FREMAX1 t1...

Страница 30: ...5 0 0 I J While the zones of A B C are corresponding to different compressor running frequency Meanwhile the compressor running frequency is limited by the current ISTOPCOOL I Icmax Off Decrease Hold...

Страница 31: ...utdoor fan running rules 22 20 High Low 8 4 2 3 Indoor fan running rules In cooling mode indoor fan runs all the time and the speed can be selected from 1 to 100 If the indoor unit changes from off to...

Страница 32: ...Resume No limitation for frequency 8 4 2 5 Evaporator temperature protection T2 0 the compressor will stop and restart when T2 5 0 T2 4 the compressor frequency will be limited and decreased to the lo...

Страница 33: ...0 8 0 11 0 12 0 15 0 16 0 Also the maximum frequency is limited by the indoor fan speed Indoor fan speed Maximum frequency 80 100 No limit 60 79 FHeatMaxMidFan 40 59 FHeatMaxLowFan 1 39 FQHeatMax If u...

Страница 34: ...to different compressor running frequency Meanwhile the compressor running frequency is limited by the current ISTOPHEAT I I2HEAT Off Decrease Hold Resume I1HEAT Off Compressor stops Decrease Decrease...

Страница 35: ...ondition of defrosting If any one of the following items is satisfied AC will enter the defrosting mode After the compressor starts up and keeps running mark the minimum value of T3 from the 7th minut...

Страница 36: ...5 Condition of ending defrosting If any one of the following items is satisfied the defrosting will finish and the machine will turn to normal heating mode T3 rises to be higher than TCDE1 T3 keeps to...

Страница 37: ...ng 3 T 2 Fan only T 3 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 cooling the compressor...

Страница 38: ...ation function When the machine is off pressing the touch button will carry the machine to forced auto mode After this pressing the button once again within 5 seconds the machine will turn into forced...

Страница 39: ...will not start up firstly after setting the timer off function And when reaching the setting time the timer LED will be off and the AC running mode has not been changed 8 4 7 7 The setting time is rel...

Страница 40: ...ng or heating operation push the i mode button of remote controller for more than half and one second the system will restore the current operation settings including operating mode setting temperatur...

Страница 41: ...e module memorizes the setting conditions before the power failure The unit will resume the previous operation setting not including swing function automatically after 3 minutes when power returns If...

Страница 42: ...ation protection E2 Zero crossing signal detection error E3 Indoor fan speed has been out of control E5 Open circuit or short circuit of outdoor temperature sensor E6 Open circuit or short circuit of...

Страница 43: ...e main PCB directly Otherwise check whether the EEPROM chip plugged in main PCB well Yes No Yes Correct the connection Replace the indoor main PCB Shut off the power supply and turn it on 5 seconds la...

Страница 44: ...ill displaying after several minutes No Yes Change the outdoor main PCB Power on Is the error extinguished Check all the wirings between indoor and outdoor indoor main PCB and outdoor main PCB followi...

Страница 45: ...etection error diagnosis and solution E2 Check if the connections and power supply is normal Correct the connections Turn on the unit when the power supply is good No Yes Indoor main PCB is defective...

Страница 46: ...ally Find out the cause and have it solved For example check whether the fan is blocked or the bearing is broken Check the wires of fan motor Are all the connections good No Yes No Correct the connect...

Страница 47: ...dex2 1 Indoor AC Fan Motor Power on and set the unit running in fan mode at high fan speed After running for 15 seconds measure the voltage of pin1 and pin2 If the value of the voltage is less than 10...

Страница 48: ...ck the connections between temperature sensor and main PCB Are the connections good Correct the connections No Yes Yes Replace indoor or outdoor main PCB Replace the sensor and c h e c k i f t h e p r...

Страница 49: ...silicon grease No IPM continuity check Check if the IPM terminal resistance values are uniform Yes Replace the IPM board or replace the main PCB if the IPM board and main PCB are integrated together N...

Страница 50: ...n grease No IPM continuity check Check if the IPM terminal resistance values are uniform Yes Replace the IPM board or replace the main PCB if the IPM board and main PCB are integrated together No Chec...

Страница 51: ...TAGE CAUTION Connect discharge resistance approx 100 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 f...

Страница 52: ...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 K 26 9 20 7 16 1 12 6 10 8 5 2 3 5 2 4...

Страница 53: ...37305880 220037401990 Outdoor MOR 09HDN1 QC2 MOR 12HDN1 QC2 Compressor DA89X1C 23EZD1 DA89X1C 23EZD1 Indoor fan motor RPG20E RPG20E Outdoor fan motor YDK24 6P B YDK24 6P B 2 Compressor checking Measur...

Страница 54: ...r to measure the resistance between P and UVWN UVW and N Digital tester Normal resistance value Red Black Several M P N U V W Digital tester Normal resistance value Red Black Several M U N V W 4 Indoo...

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