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Midea MSMBDU-24HRFN1-QRD0GW User Manual

Midea MSMBDU-24HRFN1-QRD0GW
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Mission 3D Inverter Series
Service Manual 2014
MBSEU-A-1412
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Midea MSMBDU-24HRFN1-QRD0GW Specifications

General IconGeneral
Cooling Capacity24000 BTU/h
RefrigerantR410A
Heating Capacity24000 BTU/h
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Operating Temperature (Heating)-7-24°C
TypeSplit

Summary

Precaution

Safety Precaution

Essential safety guidelines to prevent injury and property damage during operation and service.

Warning

Critical warnings regarding installation, electrical safety, handling, and usage to avoid hazards.

CAUTION

Important cautions related to installation conditions, sharp edges, and operational considerations.

Operational

Guidelines for proper operation, including air flow, cleaning, and general usage advice.

Function

Model Names of Indoor/Outdoor Units

Lists the model names for both indoor and outdoor units of the Midea Mission 3D Inverter Series.

Dimension

Indoor Unit

Provides dimensions and diagrams for the indoor unit of the air conditioner.

Outdoor Unit

Details the dimensions and diagrams for the outdoor unit of the air conditioner.

Refrigerant Cycle Diagram

Installation Details

Wrench torque sheet for installation

Specifies torque values for wrench tightening during installation of refrigerant pipes.

Connecting the cables

Provides specifications for selecting power cord cross-sectional area based on appliance current.

Pipe length and the elevation

Details pipe size, standard length, maximum elevation, and refrigerant amount for different models.

Installation for the first time

Outlines the procedure for initial installation, including leak testing and evacuation.

Adding the refrigerant after running the system for many years

Describes the process of adding refrigerant to a system that has been in use for an extended period.

Re-installation while the indoor unit need to be repaired

Explains the steps for re-installing the system when the indoor unit requires repair.

Re-installation while the outdoor unit need to be repaired

Details the procedure for re-installing the system when the outdoor unit requires repair.

Operation Characteristics

Electronic function

Abbreviation

Defines abbreviations used for various temperature sensors and components in the system.

Display function

Explains the indoor display board icons, digital display, and Wi-Fi control display.

Main Protection

Lists and explains the main protection functions of the air conditioner.

Operation Modes and Functions

Describes various operating modes like Fan, Cooling, Heating, Auto, Drying, and Forced operation.

Troubleshooting

Indoor Unit Error Display

Details error codes displayed on the indoor unit and their corresponding LED status.

Trouble shooting

Provides troubleshooting steps for various error codes and malfunctions.

Main parts check

Temperature sensor checking

Guides on how to measure resistance values of temperature sensors using a tester.

Compressor checking

Explains how to measure winding resistance values of the compressor using a tester.

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