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Midea MSE-12HRN1-BQ8W User Manual

Midea MSE-12HRN1-BQ8W
50 pages
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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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Midea MSE-12HRN1-BQ8W Specifications

General IconGeneral
Cooling Capacity12000 BTU/h
Power Supply220-240V, 50Hz
RefrigerantR410A
TypeSplit System
Indoor Noise Level24-38 dB
Power Consumption (Heating)1050 W
Noise Level (Indoor)24-38 dB

Summary

1 Precaution

1.1 Safety Precaution

Instructions to prevent injury and property damage.

1.2 Warning

General warnings related to installation and product usage.

2 Function

Indoor Unit Functions

Lists functions related to the indoor unit.

Outdoor Unit Functions

Lists functions related to the outdoor unit.

3 Dimension

Indoor Unit Dimensions

Provides dimensions for the indoor unit.

Outdoor Unit Dimensions

Provides dimensions for the outdoor unit.

4 Specification

5 Refrigerant cycle diagram

Cooling only

Diagram of the refrigerant cycle in cooling mode.

Heat pump mode

Diagram of the refrigerant cycle in heat pump mode.

6 Operation limits

Cooling operation

Defines operating temperature limits for cooling.

Heating operation

Defines operating temperature limits for heating.

7 Wiring diagram

Indoor unit Wiring Diagram

Wiring diagram for the indoor unit.

Outdoor unit Wiring Diagram

Wiring diagram for the outdoor unit.

8 Installation details

8.1 Wrench torque sheet for installation

Specifies torque values for fasteners during installation.

8.2 Connecting the cables

Guidance on selecting power cord specifications.

8.3 Pipe length and the elevation

Details pipe size, length, and elevation limits.

8.4 Air purging of the piping and indoor unit

Procedure for removing air from the refrigeration piping.

8.5 Pumping down (Re-installation)

Procedure for pumping down refrigerant during re-installation.

8.6 Re-air purging (Re-installation)

Procedure for re-purging air after re-installation.

8.7 Balance refrigerant of the 2-way, 3-way valves

Procedure to balance refrigerant in the system.

8.8 Evacuation

Procedure for evacuating the refrigeration system.

8.9 Gas charging

Procedure for charging the system with refrigerant.

9 Electronic function

9.1 Electronic control working environment

Specifies operating voltage, frequency, and ambient conditions.

9.2 Proper symbols and their meaning

Defines symbols and meanings for sensor readings.

9.3 Function

Lists various operational functions of the unit.

9.4 Protection

Details protection mechanisms and error conditions.

9.5 Fan only mode

Describes the fan-only operational mode.

9.6 Cooling mode

Details operation and protections in cooling mode.

9.7 Dehumidifying mode

Describes operation and protections in dehumidifying mode.

9.8 Heating mode

Details operation and protections in heating mode.

9.9 Defrosting mode(available for heating mode)

Conditions and actions for defrosting.

9.10 Auto mode

Describes automatic mode selection based on temperature.

9.11 Force cooling function

Details the force cooling operation mode.

9.12 Sleep mode(Economic mode)

Describes sleep mode operation for cooling, heating, and auto.

9.13 Auto restart function

Function to restore previous settings after power failure.

9.14 Turbo mode

Details the turbo mode for faster temperature achievement.

9.15 Ionizer (air clean) function

Description of the ionizer function.

9.16 Follow me function

Function to operate based on remote sensor.

10 Model and Parameters

11 Troubleshooting

11.1 Display board

Description of the display board indicators and their meaning.

11.2 Troubleshooting

Lists failure phenomena and corresponding indicator status.

11.3 Diagnostic chart

Flowchart for diagnosing issues when the unit won't operate.

11.4 Resetting phenomenon often occurs during operation.

Troubleshooting steps for operational resetting issues.

11.5 Indoor fan speed out of control.

Troubleshooting steps for uncontrolled indoor fan speed.

11.6 Temperature sensor error.

Troubleshooting for indoor room, evaporator, and outdoor condenser sensor errors.

11.7 Over current protection of the compressor occurs 4 times

Troubleshooting for compressor over current protection.

11.8 EEROM error

Troubleshooting for EEROM error, indicating a defective indoor PCB.

11.9 Outdoor unit protects

Troubleshooting steps for outdoor unit protection faults.

11.10 Indoor unit communication error.

Troubleshooting steps for indoor unit communication errors.

12 Characteristic of temperature sensor

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