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Related Manuals for Midea MSC-18HRIN1
Summary of Contents for Midea MSC-18HRIN1
- Page 1 Content MSC-18HRIN1; MSH-18HRIN1(AAC-18ISCH) MSE-09HRIN2; MSE-12HRIN2 MSG-07CRIN2; MSG-09HRIN2 MSG-12HRIN2; MSG-09HRI ;MSG-12HRI MSG-21HRI ; MSG-24HRI...
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Page 2: Table Of Contents
Pumping down (Re-installation) ....................... 25 Re-air purging (Re-installation) ......................26 Balance refrigerant of the 2-way, 3-way valves................27 Evacuation............................28 Gas charging ........................... 29 Pressure table ........................30 MSH-18HRIN1..........................30 MSC-18HRIN1..........................30 Capacity table........................31 10.1 MSH-18HRIN1..........................31 10.2 MSC-18HRIN1..........................32 10.3 MSG-09HRI ............................. - Page 3 Content Electronic function......................35 11.1. Display board........................... 35 11.2. Protection ............................35 11.3. Fan-only mode..........................35 11.4. Cooling mode ..........................35 11.5. Dehumidifying mode ........................36 11.6. Heating mode ..........................36 11.7. Defrosting operation (Available for heating only)................38 11.8.
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Page 5: Precaution
Service manual Precaution Safety Precaution To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. Before service unit, be sure to read this service manual at first. Warning Installation There is risk of fire or electric shock. - Page 6 Service manual There is risk of electric shock. consumer air conditioner, not a precision refrigerant When the product is not be used for a long time, system. There is risk of damage or loss of property. disconnect the power supply plug or turn off the breaker.
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Page 7: Function
Service manual Function Indoor unit Operation ON/OFF by remote controller Sensing by room temperature Room temperature sensor. Pipe temperature sensor. Room temperature control Maintain the room temperature in accordance with the setting temperature. Anti-freezing control in cooling Work voltage (160v-253v) Prevent the water being freezed on evaporator by sensing the evaporator pipe temperature in cooling mode High efficiency (30%) - Page 8 Service manual Outdoor unit Power relay control The unit has 3 mins delay between continuously ON/OFF operations. Low noise air flow system Bird tail propeller fan makes the outdoor unit run more quietly. Hydrophilic aluminum fin The hydrophilic fin can improve the heating efficiency at operation mode. 4 way valve control It is only operated in the heating operation mode except defrosting operation.
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Page 9: Dimension
Service manual Dimension Indoor unit（Alfa） Dimension Mode Outdoor unit（Alfa） Dimension Mode... -
Page 10: Indoor Unit（Corona
Service manual Indoor unit（Corona） Dimension Mode Outdoor unit（Corona） Dimension Mode... -
Page 11: Indoor Unit(Inverter Eco)
Service manual Indoor unit(Inverter Eco) Dimension Mode Outdoor unit(Inverter Eco) Dimension Mode... -
Page 12: Indoor Unit(Inverter Star)
Service manual Indoor unit(Inverter Star) Dimension Mode Outdoor unit(Inverter Star) Dimension Mode... -
Page 13: Specification
Service manual Specification Ac Alfa，Ac Corona Model MSH-18HRIN1 MSC-18HRIN1 MSE-09HRIN2 MSE-12HRIN2 Power supply Ph-V-Hz 1, 220-240V~, 50Hz 1, 220-240V~,50Hz 1, 220-240V~, 50Hz 1, 220-240V~, 50Hz Capacity Btu/h 18000 18000 9000 12000 Input 1670 1720 1100 1400 Cooling Rated current Btu/w.h 10.8... - Page 14 Service manual Inverter Eco Model MSG-07HRIN2 MSG-09HRIN2 MSG-12HRIN2 1, 220-240V~, Power supply Ph-V-Hz 1, 220-240V~, 50Hz 1, 220-240V~, 50Hz 50Hz Capacity Btu/h 7000 9000 12000 Input 1340 Cooling Rated current Btu/w.h Capacity Btu/h 9000 12000 15000 Heating Input 1240 1560 Rated current Model BG130X1C-20FZ...
- Page 15 10.5 14.0 15.1 Model 2PV132N7BC02 2PV132N7BC02 BH240X2CS-20KU BH240X2CS-20KU Type Rotary Rotary Rotary Rotary Brand GD Matsushita GD Matsushita MIDEA TOSHIBA MIDEA TOSHIBA Capacity Btu/h 9500 9500 Compressor Input Rated current(RLA) Thermal protector CS-7LN120 CS-7LN120 Capacitor Refrigerant oil Model RPG13H RPG20A...
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Page 16: Refrigerant Cycle Diagram
Service manual Refrigerant cycle diagram... -
Page 17: Operation Limits
Service manual Operation limits Cooling operation Outdoor unit air temp.℃ DB Indoor air temp. ℃ DB Note: The chart is the result from the continuous operation under constant air temperature conditions. However, excludes the initial pull-down stage. Heating operation Indoor air temp. ℃ DB Outdoor unit air temp.℃... -
Page 18: Schematic Diagram And Wiring Diagram
DISP1 d dp e dig.2 10u/16V R3 221 R2 102 9012 Size FCSM No. DWG No. Scale Sheet 0 of 0 7.1..2 Indoor main PCB(MSH-18HRIN1,MSC-18HRIN1) CN10 FUSE1 R2 51/1W 333/250VAC STEP1 OUT1 3.15A/250V STEP2 OUT2 ISO+12V 470uF/25V STEP3 OUT3... -
Page 19: Service Manual
Service manual 7.1.3 Outdoor main PCB(MSH-18HRIN1,MSC-18HRIN1) 64 63 62 61 FAN' Compress Top IOPC5 4-WAY' AC-IN IOPC4 4-WAY AC-IN IOPC3 CAP3/IOA5 FAN' IOPC2 CAP2/QEP1/IOPA4 SCIRX/IOPA1 CAP1/QEP0/IOPA3 4-WAY' SCITX/IOPA0 TMS320F242 IOPC1 POWER +12V 4148 (64QFP) IOPC0 VSSA +12V EMU1 VDDA POWER1... - Page 20 Service manual 7.1..5 Indoor main PCB(Inverter Eco)
- Page 21 Service manual 7.1.6 Outdoor main PCB(Inverter Eco)
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Page 22: Wiring Diagram
Service manual 7.2. Wiring diagram 7.2.1 MSH-18HRDN1... - Page 23 Service manual 7.2.2 MSC-18HRIN1...
- Page 24 Service manual 7.2.3 MSE-09HRIN2, MSE-12HRIN2...
- Page 25 Service manual 7.2.4 MSG-07HRIN2, MSG-09HRIN2, MSG-12HRIN2 1 Indoor unit 7/9K Indoor unit 12K...
- Page 26 Service manual 3. Outdoor unit...
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Page 27: Installation Details
Service manual Installation details Wrench torque sheet for installation Outside diameter Torque inch Kg.m φ6.35 φ9.52 φ12.7 φ15.88 φ19.05 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Grade Unit Pipe length and the elevation Standard Max. -
Page 28: Air Purging Of The Piping And Indoor Unit
Service manual Air purging of the piping and indoor unit Required tools: Hexagonal wrench; adjustable wrench; torque wrenches, wrench to hold the joints and gas leak detector. Note: The air in the indoor unit and in the piping must be purged. If air remains in the refrigeration piping, it will affect the compressor, reduce the cooling capacity, and could lead to a malfunction of unit. -
Page 29: Pumping Down (Re-Installation)
Service manual Pumping down (Re-installation) Procedure 1. Confirm that both the 2-way and 3-way valves are set to the opened position. Remove the valve stem caps and confirm that the valve stems are in the opened position. Be sure to use a hexagonal wrench to operate the valve stems. 2. -
Page 30: Re-Air Purging (Re-Installation)
Service manual Re-air purging (Re-installation) 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 the valve on the charging cylinder closed. 3. -
Page 31: Balance Refrigerant Of The 2-Way, 3-Way Valves
Service manual Balance refrigerant of the 2-way, 3-way valves Procedure: 1. Confirm that both the 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the 3-way valve’s service port. Leave the valve on the charge set closed. Connect the charge hose with the push pin to the service port. -
Page 32: Evacuation
Service manual 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). -
Page 33: Gas Charging
Service manual Gas charging Procedure: 1. Connect the charge hose to the charging cylinder. Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder. 2. Purge the air from the charge hose. Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air (be careful of the liquid refrigerant). -
Page 34: Pressure Table
22ºC Pressure( kg/cm ) 36.5 37.0 36.5 35.0 32.5 29.5 9.2 MSC-18HRIN1 Cooling mode Outdoor temperature (Dry bulb temp) Indoor Conditions Pressure 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC 21ºC D15ºC W Pressure( kg/cm ) 6.6 24ºC D17ºC W Pressure( kg/cm ) 6.8... -
Page 35: Capacity Table
Service manual 10. Capacity table 10.1 MSH-18HRIN1 COOLING OUTDOOR TEMPERATURE DRY Indoor 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions Total capacity kW 3.513 3.903 4.550 4.849 4.177 3.251 2.333 21ºC D Sensitive capacity kW 2.635 2.927 3.413 3.738 3.133 2.438 1.749 15ºC W... -
Page 36: Msc-18Hrin1
Service manual 10.2 MSC-18HRIN1 COOLING OUTDOOR TEMPERATURE DRY Indoor 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions Total capacity kW 3.513 3.903 4.550 4.849 4.177 3.251 2.333 21ºC D Sensitive capacity kW 2.635 2.927 3.413 3.738 3.133 2.438 1.749 15ºC W Input kW. -
Page 37: Msg-09Hri
Service manual 10.3 MSG-09HRI OUTDOOR TEMPERATURE DRY SUMMER Cooling mode Indoor 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions 21ºC D Total capacity kW 2.50 2.35 2.17 2.00 1.87 1.73 15ºC W Sensitive capacity kW 1.82 1.75 1.64 1.52 1.43 1.34 Input kW. -
Page 38: Msg-21Hri
Service manual 10.5 MSG-21HRI OUTDOOR TEMPERATURE DRY SUMMER Cooling mode Indoor 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Conditions 21ºC D Total capacity kW 5.92 5.56 5.15 4.74 4.43 4.11 15ºC W Sensitive capacity kW 4.32 4.15 3.89 3.60 3.38 3.16 Input kW. -
Page 39: Electronic Function
Service manual 11. Electronic function 11.1. Display board 11.1.1. AUTO indicator This indicator illuminates when the air conditioner is in AUTO operation. 11.1.2. TIMER indicator This indicator illuminates when TIMER is set ON/OFF. 11.1.3. PRE.-DEF. Indicator (For Cooling & Heating models only) This indicator illuminates when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating mode. -
Page 40: Dehumidifying Mode
Service manual 11.4.3 Auto fan at cooling mode: Condition Indoor fan speed T=Indoor Temp.-Setting Temp. Room temp. up T<1.5℃ 1.5℃<T<4℃ Mid. T>4℃ High Room temp. down T> 3℃ High 1℃<T<3℃ Mid. T<1℃ 11.4.4 Anti-freezing control to indoor evaporator at cooling mode( T: evaporator temp. ) Evaporator Temp. - Page 41 Service manual Condition Compressor Outdoor fan Room temp. up T> Ts+3 T<Ts+3 Room temp. down T< Ts+2 T>Ts+2 11.6.4. Indoor Fan actions at heating mode Indoor Fan can be set at HIGH/MID/LOW/AUTO by using a remote controller, but Anti-cold wind function prevails.
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Page 42: Defrosting Operation (Available For Heating Only)
Service manual 11.7. Defrosting operation (Available for heating only). 11.7.1 Defrosting condition: 11.7.1.1. When outdoor temp. is more than 0℃, Defrosting starts when meeting one of the following conditions, a. The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than 40 minutes, and the temperature remains consecutively -4°c for more than 3 minutes, b. -
Page 43: Manual Switch
Service manual only according to the temp. difference between room temp. (TA) and set temp. (TS). TA—TS Operation mode TA—TS>2℃ Cooling -1℃≤TA-TS≤+2℃ Fan-only TA-TS<-1℃ Heating (air-only for cooling only type) 11.10. Manual switch 11.10.1 Mode changes when push this button . Cooing mode Auto mode Unit off Cooing mode... -
Page 44: Model And Parameters
Service manual 12. Model and Parameters Model MSH-18HRDN1 MSC-18HRDN1 RACFAN 1180 1140 RAHFAN 1180 1140 RATIFC RATIFH SLEEPTIMC FANCSHIGH 1180 1180 FANHSHIGH 1180 1180 FANCHIGH 1180 1140 FANHHIGH 1180 1140 FANMID 1100 1060 FANLOW FANSLOW I1COOL I2COOL 14.5 14.5 I3COOL I1HEAT 12.5 12.5... - Page 45 Service manual Model MSE-09HRDN1 MSE-12HRDN1 flag0 MacType RatiFC RatiFH SleepTim FanCSHigh 1300 1250 FanHSHigh 1300 1250 FanCHigh 1250 1180 FanHHigh 1250 1180 FanMid 1100 1100 FanLow FanSlow I1Cool I2Cool 10.0 I3Cool 10.5 I1Heat 10.5 I2Heat 10.0 12.0 I3Heat 12.0 13.5 TCDI TCDE1 RACFAN...
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Page 46: Troubleshooting
Service manual Troubleshooting 13.1 Indoor Unit Error Display Display LED STATUS EEPROM error Indoor / outdoor units communication protection Zero-crossing examination error Fan speed beyond control Open or short circuit of outdoor temperature sensor Room temperature or evaporator temperature sensor open or short circuit of Module protection Over voltage or too low voltage protection Compressor top protection against temperature... - Page 47 Service manual Disconnect the power supply, after 1 minutes, connect the power supply , turn on the unit using remote controller, does the unit work normally ? Is the connection on outdoor control board and between indoor and outdoor unit good? Does the L、 Does the led on outdoor control board bright? N connect good? Does the S wire connect reliably? Is the voltage on terminal CZ1 and CZ2 of the outdoor main PCB is 5V?
- Page 48 Service manual Is connector connection good? Is voltage being applied to the fan motor? (rang 90v-160v between mid pin and N on CN1 Repair the connector. Indoor fan motor is defective Indoor PCB is defective Replace indoor fan motor. Replace indoor main PCB. 13.1.5 Display LED STATUS...
- Page 49 Service manual Is connection to connector good? Repair connector Is the wires to compressor right? Check the voltage between P and N on inverter module. Is it about 380V? Test the outdoor power supply board again. Check the inverter module, If some component cracked or damaged? Inverter module damaged, replace it.
- Page 50 Service manual Does compressor operate? Is the connection good? Is refrigerant circulation volume normal? Connect and test again. Is protector normal? Gas charging Replace protector Is abnormality the same after gas charging Check the outdoor main PCB Check refrigerant system (such as clogging of Replace the outdoor main PCB.
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Page 51: Diagnostic Chart
Service manual 13.2 Diagnostic chart After energizing, no indicator is lighted and the air conditioner can’t be operated. -
Page 52: Resetting Phenomenon Often Occurs During Operation
Service manual 13.3 Resetting phenomenon often occurs during operation (That is automatically entering to the status when power is on.) The reason is that the instantaneous voltage of main chip is less than 4.5V. Check according to the following procedure: 13.4 Operation lamp flashes and Timer lamp off Is connector connection good? Repair the connector. -
Page 53: Operation Lamp Off And Timer Lamp Flashes
Service manual 13.6 Operation lamp off and Timer lamp flashes 13.7 Operation lamp on and Timer lamp flashes EEROM error, indoor PCB is defective. 13.8 Operation lamp flashes, Timer lamp flashes This is alarm signal when the main chip can’t detect over-zero signal. When such failure occurs, the main control board must have fault. -
Page 54: Characteristic Of Temperature Sensor
Service manual Characteristic of temperature sensor Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ 62.2756 14.6181 4.3874 58.7079 13.918 4.2126 56.3694 13.2631 4.0459 52.2438 12.6431 3.8867 49.3161 12.0561 3.7348 46.5725 11.5 3.5896 10.9731 3.451 41.5878 10.4736 3.3185 39.8239 3.1918 37.1988 9.5507 3.0707...
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