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Midea MSY-09HRDN1-QC2, Руководство по обслуживанию

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21 

 

 

 

7.8    Evacuation 

 

Procedure: 

1. Connect the vacuum pump to the charge set

’

s centre hose. 

2. Evacuation for approximately one hour. 

Confirm that the gauge needle has moved 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 turning off the vacuum pump). 

4. Disconnect the charge hose from the vacuum pump. 

Vacuum pump oil, if the vacuum pump oil becomes dirty or depleted, replenish as needle. 
 
 
 
 
 
 
 
 
 
 
 

Содержание MSY-09HRDN1-QC2

Страница 1: ...Split Wall Mounted Type Model Refrigerant type Power supply MSY 09HRDN1 QC8 R410A 1Ph 220 240V 50Hz MSY 12HRDN1 QC4 R410A 1Ph 220 240V 50Hz MSY 09HRDN1 QC2 R410A 1Ph 220 240V 50Hz MSY 12HRDN1 QC2 R41...

Страница 2: ...n 16 7 4 Air purging of the piping and indoor unit 16 7 5 Pumping down Re installation 18 7 6 Re air purging Re installation 19 7 7 Balance refrigerant of the 2 way 3 way valves 20 7 8 Evacuation 21 7...

Страница 3: ...15 Super ionizer function 29 8 16 Self clean function 29 8 17 Follow me function 30 8 18 Outdoor heating cable function 30 9 Troubleshooting 33 9 1 Indoor Unit Error Display 35 9 2 Diagnosis and Solut...

Страница 4: ...rvice center There is risk of fire electric shock explosion or injury n Do not install the product on a defective installation stand It may cause injury accident or damage to the product n Be sure the...

Страница 5: ...product To avoid vibration or water leakage n Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors n Use...

Страница 6: ...he same type Do not mix old and mew batteries or different types of batteries There is risk of fire or explosion n Do not recharge or disassemble the batteries Do not dispose of batteries in a fire Th...

Страница 7: ...peration mode Turbo high med low breeze Restarting is for approx 3 minutes Prevent the water being frozen on evaporator by sensing the evaporator pipe temperature in cooling mode Room temperature sens...

Страница 8: ...tion 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 zin...

Страница 9: ...6 3 Dimension 3 1 Indoor Unit Dimension Model W H D MSY 09HRDN1 QC2 850 275 160 MSY 09HRDN1 QC8 MSY 12HRDN1 QC2 MSY 12HRDN1 QC4 MSY 18HRDN1 QC2 1022 295 185 900 285 160...

Страница 10: ...7 3 2 Outdoor Unit MOA 09HDN1 QC2 MOB4 12HDN1 QC2...

Страница 11: ...8 MOC 09HDN1 QC8 MOC 12HDN1 QC4 MOC 18HDN1 QC2...

Страница 12: ...nd TOSHIBA TOSHIBA Capacity Btu h 10918 10918 Input W 855 855 Thermal protector CS 74 CS 74 Capacitor uF No No Compressor Refrigerant oil ml 480 480 Model RPG20D RPG20D Brand Welling Welling Input W 4...

Страница 13: ...220 240V 50Hz 1 220 240V 50Hz 1 220 240V 50Hz Capacity Btu h 9000 3300 11200 12000 4100 13800 17000 6000 20000 Input W 810 240 1200 1080 360 1400 1550 530 2040 Rated current A 3 6 1 2 5 3 4 9 1 8 6 5...

Страница 14: ...motor Speed r min 815 590 800 550 890 540 Outdoor air flow m3 h 1800 2000 2200 Outdoor noise level dB A 53 54 56 Dimension W H D mm 700 535 235 780 540 250 760 590 285 Packing W H D mm 815 580 325 910...

Страница 15: ...12 5 Refrigerant cycle diagram...

Страница 16: ...13 6 Wiring diagram 6 1 Indoor Unit MSY 09HRDN1 QC8 MSY 12HRDN1 QC4 MSY 09HRDN1 QC2 MSY 12HRDN1 QC2 MSY 18HRDN1 QC2...

Страница 17: ...14 6 2 Outdoor Unit MOC 09HDN1 QC8 MOC 12HDN1 QC4 MOA 09HDN1 QC2...

Страница 18: ...15 MOB4 12HDN1 QC2 MOC 18HDN1 QC2...

Страница 19: ...e elevation Pipe size Capacity Btu h Gas Liquid Standard length m Max Elevation B m Max Length A m Additional refrigerant g m 9k 3 8 9 52 1 4 6 35 5 8 20 30 12k 1 2 12 7 1 4 6 35 5 10 25 30 18k 1 2 12...

Страница 20: ...alve to the open position and remove the cap from the 3 way valve s service port Using the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute 5 Use t...

Страница 21: ...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 22: ...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 23: ...ce 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 cond...

Страница 24: ...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 25: ...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 26: ...ndicator illuminates when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating mode This indicator illuminates when the air conditioner is i...

Страница 27: ...e unit stops and LED displays failure information and can t return to normal operation automatically 8 3 7 Zero crossing signal error warning If there is no zero crossing signal in 4 minutes or the in...

Страница 28: ...in cooling mode 8 5 4 Rating capacity test function 1 Set the indoor unit with remote controller as high fan 17 in cooling mode then press TURBO button on controller 6 times or more within 10 seconds...

Страница 29: ...changed The horizontal angle is the same as in cooling mode 8 6 2 Room overlow temperature protection In drying mode if room temperature is lower than 10 compressor will stop and not resume until room...

Страница 30: ...7 3 The operation frequency of compressor after starting submits to following rule When the machine runs if Th stays in a zone for 3 minutes action of frequency is as follow Zone A Elevate the curren...

Страница 31: ...than 5 if it has the machine starts defrosting or continues to judge T2 and will not defrost until T2 drops more than 5 Condition 3 No matter what value T4 is if the machine runs with T3 3 for more t...

Страница 32: ...door 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 indoor fan will change to rating speed the frequen...

Страница 33: ...ied out through a touch button In these two modes the machine can be changed by remote controller to any other mode at any moment 8 9 2 When the machine is off pressing the touch button will carry the...

Страница 34: ...me 8 12 5 Timer off on After turning on the machine will turn off automatically when reaching the setting off time and then turn on automatically when reaching the setting on time 8 12 6 Timer functio...

Страница 35: ...g mode when the user presses down the button Self Clean on remote controller SC icon will be displayed on the indoor temperature display area After running for 13 minutes in low fan mode the unit will...

Страница 36: ...will be turned off automatically and the temperature collection function of room temperature sensor will be available the PCB will control the unit according to the room temperature detected from its...

Страница 37: ...acitors in PCB and relative circuit in outdoor unit even shut down the power supply electricity power are still kept in capacitors do not forget to discharge the electricity power in capacitor Electro...

Страница 38: ...control E5 Open or short circuit of outdoor temperature sensors E6 Open or short circuit of indoor temperature sensors E7 Outdoor fan speed out of control E8 Reset error of Auto Clean filters P0 IGBT...

Страница 39: ...nection of L N S and GND good Is the GND connection on outdoor PCB good NO NO Reconnect and retest Is the LED4 red on outdoor PCB bright and LED1 yellow blinking Replace outdoor e box Yes Yes The powe...

Страница 40: ...r connector and connection good Repair the connector and reconnect Replace the sensor and check if E6 display again NO YES Replace the indoor PCB YES Is the outdoor temperature sensor connector and co...

Страница 41: ...then repower on Is the failure cleared NO YES Check the compressor NO Is the power supply good Be sure the power supply is normal when using the units NO YES Replace the outdoor e box YES Does compres...

Страница 42: ...essor good Is the wiring sequence right The voltage range Replace the outdoor E box If the problem comes to again check coil resistance of inverter compressor is it right YES Replace inverter compress...

Страница 43: ...e 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 Temperature 5 10 15 20 25 30 40 50 60 Resistance Value K 26 9 20...

Страница 44: ...41...

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