Related Manuals for Midea MSE-09CRN1-BQ8W
Summary of Contents for Midea MSE-09CRN1-BQ8W
- Page 1 MSE-09CRN1-BQ8W; MSE-09HRN1-BQ8W MSE-12CRN1-BQ8W; MSE-12HRN1-BQ8W MSE-12CRN1-MQ8W; MSE-12HRN1-MQ8W MSE-18CRN1-MQ8W; MSE-18HRN1-MQ8W...
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Page 2: Table Of Contents
Content Content Precaution......................... 1 1.1 Safety Precaution........................... 1 1.2 Warning ..............................1 Function ..........................4 Dimension......................... 5 Specification........................7 Refrigerant cycle diagram ..................... 11 Operation limits ......................12 Wiring diagram ....................... 13 Installation details ......................21 8.1 Wrench torque sheet for installation ....................21 8.2 Connecting the cables ......................... - Page 3 Content 11.5 Indoor fan speed out of control ......................44 11.6 Temperature sensor error........................45 11.7 Over current protection of the compressor occurs 4 times..............45 11.8 EEROM error............................45 11.9 Outdoor unit protects.......................... 46 11.10 Indoor unit communication error...................... 46 12 Characteristic of temperature sensor ................
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Page 4: Precaution
Service manual 1 Precaution 1.1 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. 1.2 Warning Installation Do not use a defective or underrated circuit breaker. - Page 5 Service manual Do not place anything on the power cable. There is risk of fire or electric shock. Do not plug or unplug the power supply plug during operation. There is risk of fire or electric shock. Do not touch (operation) the product with wet hands. There is risk of fire or electric shock.
- Page 6 Service manual Use two or more people to lift and transport the product. Avoid personal injury. Do not install the product where it will be exposed to sea wind (salt spray) directly. It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation.
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Page 7: Function
Service manual 2 Function 20. Ionizer (optional) Indoor unit The function is operated by remote controller. 21． ． ． ． Follow me (optional) Operation ON/OFF remote controller The function is operated by remote controller. 22. Turbo（ （ （ （ For some models） ） ） ） 2. -
Page 8: Dimension
Service manual 3 Dimension Indoor unit Dimension Mode 1080 - 5 -... - Page 9 Service manual outdoor unit Dimension Mode - 6 -...
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Page 10: Specification
Service manual 4 Specification Model MSE-09CRN1-BQ8W MSE-09HRN1-BQ8W Power supply Ph-V-Hz 1, 115V~,60Hz 1, 115V~,60Hz Capacity Btu/h 9000 9000 Input Cooling Rated current SEER Btu/w.h Capacity Btu/h 10000 Input Heating Rated current HSPF Max. current 13.6 13.6 Starting current Model EA82X1C-1FZDU1... - Page 11 Service manual Model MSE-12CRN1-BQ8W MSE-12HRN1-BQ8W Power supply Ph-V-Hz 1, 115V~,60Hz 1, 115V~,60Hz Capacity Btu/h 12000 12000 Input 1090 1090 Cooling Rated current SEER Btu/w.h Capacity Btu/h 12500 Input 1060 Heating Rated current Max. current 17.2 17.2 Starting current Model EA108X1C-1FZDU1 EA108X1C-1FZDU1 Type ROTARY...
- Page 12 Service manual Model MSE-12CRN1-MQ8W MSE-12HRN1-MQ8W Power supply Ph-V-Hz 1, 208-230V~, 60Hz 1, 208-230V~, 60Hz Capacity Btu/h 12000 12000 Input 1070 1070 Cooling Rated current 4.75 4.75 SEER Btu/w.h Capacity Btu/h 12500 Input 1060 Heating Rated current HSPF Max. current Starting current 21/23.5 21/23.5 Model...
- Page 13 Service manual Model MSE-18CRN1-MQ8W MSE-18HRN1-MQ8W Power supply Ph-V-Hz 1, 208-230V~, 60Hz 1, 208-230V~, 60Hz Capacity Btu/h 18000 18000 Input 1550 1550 Cooling Rated current SEER Btu/w.h Capacity Btu/h 18000 Input 1600 Heating Rated current HSPF Max. current 12.7 12.7 Starting current 32.6 32.6 Model...
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Page 14: Refrigerant Cycle Diagram
Service manual 5 Refrigerant cycle diagram Cooling only Heat pump mode - 11 -... -
Page 15: Operation Limits
Service manual 6 Operation limits Cooling operation ℃ Outdoor unit air temp. ℃ Indoor air temp. 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 16: Wiring Diagram
Service manual 7 Wiring diagram MSE-09CRN1-BQ8W; Indoor unit outdoor unit: WIRING DIAGRAM B ROW N BLU E (OUTDOOR UNIT) BLA C K TO INDOOR UNIT C N2 WHITE P OWER SUPP LY REL A Y BLACK RE D RE D... -
Page 17: Service Manual
Service manual MSE-09HRN1-BQ8W Indoor unit outdoor unit: WIRING DIAGRAM BROWN BLU E (OUTDOOR UNIT) BLA CK XT 1 TO INDOOR UN IT WHIT E POWER SUPPLY R EL AY BLAC K C N3 RE D CT 1 CO DE PART NAME CN10 CO MP COMPRES SOR... - Page 18 Service manual MSE-12CRN1-BQ8W Indoor unit outdoor unit: B ROW N WIRING DIAGRAM BLU E (OUTDOOR UNIT) BLA C K C N2 TO INDOOR UNIT WHITE P OWER SUPP LY REL A Y BLACK RE D RE D C N3 C T1 C N10 PAR T NAME CODE...
- Page 19 Service manual MSE-12HRN1-BQ8W Indoor unit: outdoor unit: WIRING DIAGRAM BROWN BLU E (OUTDOOR UNIT) BLA CK XT 1 TO INDOOR UN IT WHIT E POWER SUPPLY R EL AY BLAC K C N3 RE D CT 1 CO DE PART NAME CN10 CO MP COMPRES SOR...
- Page 20 Service manual MSE-12CRN1-MQ8W Indoor unit: Outdoor unit B ROW N WIRING DIAGRAM BLU E (OUTDOOR UNIT) BLA C K TO IN DOO R U NIT C N2 W HITE P OWER SUPP LY REL A Y BLACK RE D RE D C N3 CT 1 PAR T NAME...
- Page 21 Service manual MSE-12HRN1-MQ8W Indoor unit: Outdoor unit BROWN WIRING DIAGRAM BLUE (OUTDOOR UNIT) B LA CK X T1 R ED TO INDOOR UNIT Y/ G Y/ G WHI TE POWER SUPPLY F S1 R ELAY BLA CK RE D RE D CN 3 C N6 C N4...
- Page 22 Service manual MSE-18CRN1-MQ8W Indoor unit: ON SOME M ODELS ANION GENERATOR WIRING DIAGRAM TRANS1 (INDOOR UNIT) C N1 CN11 C N4 UNIT1 XS 2 X P2 CO DE PART N AM E MA IN CO NT RO L PC B UN IT 1 CN1 0 DI SPLAY P CB...
- Page 23 Service manual MSE-18HRN1-MQ8W Indoor unit: ON SOME M ODELS ANION GENERATOR WIRING DIAGRAM TRANS1 (INDOOR UNIT) C N1 CN11 C N4 UNIT1 XS 2 X P2 CO DE PART N AM E MA IN CO NT RO L PC B UN IT 1 CN1 0 DI SPLAY P CB...
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Page 24: Installation Details
Service manual 8 Installation details 8.1 Wrench torque sheet for installation Outside diameter Torque inch Kg.m φ6.35 φ9.52 φ12.7 φ15.88 φ19.05 8.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Grade 8.3 Pipe length and the elevation Standard Max. -
Page 25: Air Purging Of The Piping And Indoor Unit
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. 8.4 Air purging of the piping and indoor unit Required tools: Hexagonal wrench;... - Page 26 Service manual Procedure： ： ： ： 1. Recheck the piping connections. 2. Open the valve stem of the 2-way valve counterclockwise approximately 90’, wait 10 seconds, and then set it to closed position. Be sure to use a hexagonal wrench to operate the valve stem 3.
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Page 27: Pumping Down (Re-Installation)
Service manual 8.5 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 28: Re-Air Purging (Re-Installation)
Service manual 8.6 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. 3. Leave the valve on the charging cylinder closed. 4. -
Page 29: Balance Refrigerant Of The 2-Way, 3-Way Valves
Service manual 8.7 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 30: Evacuation
Service manual 8.8 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. -
Page 31: Gas Charging
Service manual 8.9 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 32: Electronic Function
Service manual 9 Electronic function 9.1 Electronic control working environment Input voltage: 175~253V or 100~130V Input power frequency: 60Hz Ambient temperature: -7°C+45°C(C&H type), 18°C+45°C(Cooling only type) Indoor fan normal working amp is less than 1A Outdoor fan normal working amp is less than 1.5A Four-way valve normal working amp is less than 1A Swing motor: DC12V Compressor: single-phase power supply. -
Page 33: Function
Service manual 9.3 Function Remote receiving Testing and forced running Position set for indoor unit wind vane LED displaying and alarm On or off Timer Protection for the compressor Current protection High temperature protection of indoor heat exchanger at heating mode Auto defrosting and heating recovery at heating mode Anti cold air at heating mode 9.4 Protection... -
Page 34: Fan Only Mode
Service manual 9.5 Fan only mode Fan speed is high/mid/low/ Auto 9.6 Cooling mode The 4-way valve is closed at cooling mode. The action of the compressor and the outdoor fan:(T=indoor temperature) Auto fan at cooling mode: Anti-freezing control to indoor evaporator at cooling mode ( T: evaporator temp. ) Condenser high temperature protection (only for heat pump) - 31 -... -
Page 35: Dehumidifying Mode
Service manual 9.7 Dehumidifying mode Indoor fan speed at low speed. Protection is same as cooling mode. 9.8 Heating mode 9.8.1 Generally, the 4-way valve is open in heating mode, but it is closed in defrosting mode. 4-way valve must delay 2 minutes compared with compressor if the compressor changed into non-heating mode or turned off. -
Page 36: Defrosting Mode(Available For Heating Mode)
Service manual 9.8.5 Anti-cold wind control function at heating mode (T=indoor exchanger temp.) 9.8.6 Auto wind at heating mode (T=indoor temp.) 9.8.7 Indoor evaporator high-temperature protection at heating mode (T=indoor exchanger temp.) The louver opens to Standard Angle ANGLHEAT when power is on for the first time 9.9 Defrosting mode(available for heating mode) 9.9.1 Defrosting condition: Defrost starts when either of the following 1&2:... -
Page 37: Auto Mode
Service manual with the compressor still running. Add up to 90 minutes. 9.9.2 Conditions of defrost ending: Defrosting ends when either of the following: The time gets to 10 minutes. T3>20’C. The circulation is as following: 9.9.3 Defrosting Actions Remark: when the evaporator pipe temperature sensor more than TE16, the indoor fan start to run. 9.10 Auto mode 9.10.1 The air conditioner automatically selects one of the following operation modes: cooling, heating or fan only according to the temperature difference between room temperature (TA) and set temperature... -
Page 38: Sleep Mode(Economic Mode)
Service manual is set as low, the A/C operates at the DRY mode with a set temp. of 24℃ 9.11.3 All protections of remote control cooling are available at forced cooling operation 9.11.4 Forced Auto function Select forced auto function with the forced auto button or the switch. In forced auto status the A/C operates at remote control mode with a set temp. -
Page 39: Auto Restart Function
Service manual 9.12.4 Auto: ℃ if it is under cooling mode; After an hour running under economic mode, the set temp will rise 1 , ℃ the set temp will decrease 1 ,if it is under heating mode; the set temp will be chang eless, if it is under fan-only mode;... - Page 40 Service manual minutes, the buzzer keep quiet at this time. 9.16.3 When the indoor unit have not received the corrected signal for 7 minutes, this function will be shut down. The air conditioner is working in common way. - 37 -...
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Page 41: Model And Parameters
Service manual 10 Model and Parameters MSE-09C(H)RN1-BQ8W MSE-12C(H)RN1-BQ8W MSE-12C(H)RN1-MQ8W I3SEC I5MIN IFAN 10.5A IRESTORE 12.5A IDEFROST 6.5A 5.5A HSPEEDH 1250 1270 1270 HSPEEDM 1000 1060 1060 HSPEEDL HSPEEDS CSPEEDP 1270 1270 CSPEEDH 1250 1270 1270 CSPEEDM 1000 1100 1100 CSPEEDL 1000 1000 CSPEEDS... - Page 42 Service manual MSE-18C(H)RN1-MQ8W Flag0 Flag1 AngleOffL AngleOffH AngleHeatL AngleHeatH AngleCoolL AngleCoolH AngleDefL AngleDefH AngleMotorOn AngleStep AngleLouver AngleTime IResume I5min I3sec IOFan Idefrost TE10 TE11 TE12 TE13 TE14 TE15 TE16 DefrostTimeL DefrostTimeH - 39 -...
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Page 43: Troubleshooting
Service manual 11 Troubleshooting 11.1 Display board 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. PRE-DEF. indicator (For cooling & heating mode only) The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating. -
Page 44: Troubleshooting
Service manual 11.2 Troubleshooting For 9K and 12K : Operation Timer Failure phenomenon lamp lamp ☆ Indoor fan speed has been out of control for over 1 minute ☆ Indoor room temp. or evaporator sensor is open circuit or short circuit ☆... -
Page 45: Diagnostic Chart
Service manual 11.3 Diagnostic chart After energizing, no indicator is lighted and the air conditioner can’t be operated. For the 9K and 12K models: Be sure all the wires(including power wires and connection wires) is OK Change good ones Check if AC 115V (or 208-230V) power supply outputs to outdoor Check if AC 115V (or 208-230V) exists at primary coil of transformer Outdoor PCB is defective... - Page 46 Service manual For 18K and 24K models Be sure all the wires(including power wires and connection wires) is OK Change good ones Check if AC 208-230V power supply outputs to outdoor PCB Check if AC 208-230V exists at primary coil of outdoor (and indoor) transformer Outdoor (or indoor) PCB is defective...
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Page 47: Resetting Phenomenon Often Occurs During Operation
Service manual 11.4 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: 11.5 Indoor fan speed out of control . -
Page 48: Temperature Sensor Error
Service manual 11.6 Temperature sensor error. Including the indoor room, indoor evaporator and outdoor condenser temperature sensor. 11.7 Over current protection of the compressor occurs 4 times Over current protection of compressor occurs 4 times 11.8 EEROM error EEROM error, indoor PCB is defective. - 45 -... -
Page 49: Outdoor Unit Protects
Service manual 11.9 Outdoor unit protects Check if the power supply is good Power supply failure Change outdoor PCB and check if the error is still exit Outdoor PCB failure Compressor failure 11.10 Indoor unit communication error. Check the if the signal wire is well connection Connect the signal wire well or change the signal wire if it’s the problem of the wires. -
Page 50: Characteristic Of Temperature Sensor
Service manual 12 Characteristic of temperature sensor Temp.℃ Resistance K Temp.℃ Resistance K Temp.℃ Resistance K 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...