Related Manuals for Midea MSH-07CR
Summary of Contents for Midea MSH-07CR
- Page 1 Cover MSH-07CR; MSH-07HR MSH-09CR; MSH-09HR MSH-12CR; MSH-12HR MSH-16CR; MSH-16HR MSH-18CR...
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Page 2: Table Of Contents
Re-air purging (Re-installation) ......................25 Balance refrigerant of the 2-way, 3-way valves.................. 26 Evacuation ............................27 Gas charging ............................28 Pressure table........................29 MSH-07CR ............................29 MSH-07HR ............................29 MSH-09CR ............................29 MSH-09HR ............................29 MSH-12CR ............................30 MSH-12HR ............................30 MSH-16CR ............................ - Page 3 Content 10.3 MSH-09CR ............................33 10.4 MSH-09HR ............................33 10.5 MSH-12CR ............................34 10.6 MSH-12HR ............................34 10.7 MSH-16CR ............................35 10.8 MSH-16HR ............................35 10.9 MSH-18CR ............................36 Electronic function......................37 11.1 Proper symbols and their meaning..................... 37 11.2 Function ..............................
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Page 4: 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 Prevent the water being freezed on evaporator by sensing the evaporator pipe temperature in cooling mode Time Delay Safety control Tele Remote control (Optional) - Page 5 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 6: Dimension
Service manual Dimension Indoor unit Dimension Mode Outdoor unit Dimension Mode... -
Page 7: Specification
Service manual Specification Model MSH-07CR MSH-07HR MSH-09CR MSH-09HR Power supply Ph-V-Hz 1,220-240V, 50Hz 1,220-240V, 50Hz 1,220-240V, 50Hz 1,220-240V~, 50Hz Capacity Btu/h 7000 7000 9000 9000 Input 1000 1000 Cooling Rated current Btu/w.h Capacity Btu/h 7600 10000 Input Heating Rated current Max. - Page 8 Service manual 2Model MSH-12CR MSH-12HR MSH-16CR MSH-16HR Power supply Ph-V-Hz 1, 220-240V, 50Hz 1, 220-240V, 50Hz 1,220-240V, 50Hz 1,220-240V, 50Hz Cooling Capacity Btu/h 12000 12000 16000 16000 Input 1280 1320 1760 1760 Rated current Btu/w.h 9.09 9.09 Heating Capacity Btu/h 14000 18500 Input...
- Page 9 Service manual Model MSH-18CR Power supply Ph-V-Hz 1, 220-240V~, 50Hz Capacity Btu/h 18000 Input 1980 Cooling Rated current Btu/w.h 9.09 Capacity Btu/h Input Heating Rated current Max. input consumption 2100 Max. current 12.0 Starting current Model SHW33TC4-U Type Rotary 上海日立 Brand Capacity Btu/h...
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Page 10: Refrigerant Cycle Diagram
Service manual Refrigerant cycle diagram Ø Cooling only Ø Heat pump mode... -
Page 11: 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 12: Schematic Diagram And Wiring Diagram
Service manual Schematic diagram and Wiring diagram 7.1. Schematic diagram... -
Page 13: Wiring Diagram
Service manual 7.2. Wiring diagram 7.2.1 MSH-07CR, MSH-09CR，... - Page 14 Service manual...
- Page 15 Service manual 7.2.2 MSH-12CR...
- Page 16 Service manual 7.2.3 MSH-16CR...
- Page 17 Service manual 7.2.4 MSH-18CR...
- Page 18 Service manual 7.2.4 MSH-07HR.MSH-09HR...
- Page 19 Service manual 7.2.5 MSH12HR...
- Page 20 Service manual 7.2.6 MSH-16HR...
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Page 21: Installation Details
Service manual Installation details Wrench torque sheet for installation Outside diameter Torque inch Kg.m φ6.35 φ9.52 φ12.7 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Grade Unit Pipe length and the elevation Max. - Page 22 Service manual In case that more than 5m. Caution: Capacity is base on standard length and maximum allowance length is base of reliability. Oil trap should be install per 5-7 meters.
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Page 23: 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 24: 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 25: 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 26: 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. §... -
Page 27: 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. -
Page 28: 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. §... -
Page 29: Pressure Table
Note: The pressure data is from 3 way valve, the pressure data are pressure above atmosphere. D: Dry bulb temp. W: Wet bulb temp. 9.1 MSH-07CR Cooling mode Outdoor temperature (Dry bulb temp) Indoor Conditions Pressure 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC 21ºC D15ºC W... -
Page 30: Msh-12Cr
Service manual Heating mode OUTDOOR CONDITIONS 12ºC D 7ºC D 0ºC D -4ºC D -7ºC D -15ºC D Indoor Conditions Pressure 11ºC W 6ºC W -1ºC W -6ºC W -9ºC W -xºC W 15ºC Pressure( kg/cm ) 13.2 12.5 11.0 10.7 10.2 18ºC... -
Page 31: Msh-16Hr
Service manual 9.8 MSH-16HR Cooling mode Outdoor temperature (Dry bulb temp) Indoor Conditions Pressure 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC 21ºC D15ºC W Pressure( kg/cm ) 4.2 24ºC D17ºC W Pressure( kg/cm ) 4.3 27ºC D19ºC W Pressure( kg/cm ) 4.4 32ºC D23ºC W Pressure( kg/cm ) 4.6... -
Page 32: Capacity Table
Service manual Capacity table 10.1 MSH-07CR SUMMER OUTDOOR TEMPERATURE DRY Indoor Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Total capacity kW 2.02 1.92 1.79 1.64 1.51 1.41 21ºC D Sensitive capacity kW 1.44 1.39 1.34 1.27 1.20 1.15 15ºC W Input kW. -
Page 33: Msh-09Cr
Service manual 10.3 MSH-09CR SUMMER OUTDOOR TEMPERATURE DRY Indoor Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Total capacity kW 2.44 2.32 2.16 1.98 1.82 1.70 21ºC D Sensitive capacity kW 1.68 1.63 1.56 1.48 1.40 1.34 15ºC W Input kW. 0.87 0.95 1.02... -
Page 34: Msh-12Cr
Service manual 10.5 MSH-12CR SUMMER OUTDOOR TEMPERATURE DRY Indoor Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Total capacity kW 3.38 3.21 2.99 2.75 2.52 2.35 21ºC D Sensitive capacity kW 2.53 2.28 2.18 2.07 1.96 1.88 15ºC W Input kW. 1.20 1.30 1.41... -
Page 35: Msh-16Cr
Service manual 10.7 MSH-16CR SUMMER OUTDOOR TEMPERATURE DRY Indoor Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Total capacity kW 4.51 4.28 3.99 3.67 3.36 3.14 21ºC D Sensitive capacity kW 3.43 3.25 3.00 2.78 2.56 2.40 15ºC W Input kW. 1.44 1.56 1.69... -
Page 36: Msh-18Cr
Service manual 10.9 MSH-18CR SUMMER OUTDOOR TEMPERATURE DRY Indoor Conditions 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Total capacity kW 4.69 4.45 4.15 3.81 3.50 3.27 21ºC D Sensitive capacity kW 3.28 3.18 3.04 2.88 2.74 2.62 15ºC W Input kW. 1.70 1.84 1.99... -
Page 37: Model And Parameters
Service manual Model and Parameters MSH-07 MSH-07 MSH-09 MSH-09 MSH-12 MSH-12 MSH-16 MSH-16 MSH-18 Model I3SEC 8.5A 8.5A 10.0A 10.0A 14.5A 14.5A 16.0A 16.0A 17.0A I5MIN 6.2A 6.2A 7.5A 7.5A 13.5A 13.5A 13.0A 13.0A 16.0A IFAN 5.2A 5.2A 5.5A 5.5A 9.5A 9.5A 11.0A... -
Page 38: Troubleshooting
Service manual Troubleshooting 13.1 Display board Infrared Signal Receiver § Operation The indicator flashes once every second after power is on and illuminates when the air conditioner is in operation. § Timer indicator: The indicator illuminates then TIMER is set ON. §... -
Page 39: Diagnostic Chart
Service manual 13.3 Diagnostic chart After energizing, no indicator is lighted and the air conditioner can’t be operated. -
Page 40: Resetting Phenomenon Often Occurs During Operation
Service manual 13.4 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: Resetting phenomenon often occurs during operation. -
Page 41: Operation Lamp Off And Timer Lamp Flashes
Service manual 13.7 Operation lamp off and Timer lamp flashes 13.8 Operation lamp on and Timer lamp flashes EEROM error, indoor PCB is defective. 13.9 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 42: 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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