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Midea MSY-12HRDN1-QC2 User Manual

Midea MSY-12HRDN1-QC2
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Website: www.mideaaircon.com
Service Manual
AIR CONDITIONER
DC Inverter
Split Wall-Mounted Type
Model Refrigerant type Power supply
MSY-09HRDN1-QC8 R410A 1Ph, 220~240V, 50Hz
MSY-12HRDN1-QC4 R410A 1Ph, 220~240V, 50Hz
MSY-09HRDN1-QC2 R410A 1Ph, 220~240V, 50Hz
MSY-12HRDN1-QC2 R410A 1Ph, 220~240V, 50Hz
MSY
-18HRDN1-QC2 R410A 1Ph, 220~240V, 50Hz
Y series
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Midea MSY-12HRDN1-QC2 Specifications

General IconGeneral
BrandMidea
ModelMSY-12HRDN1-QC2
CategoryAir Conditioner
LanguageEnglish

Summary

Precaution

Safety Precaution

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

Warning

Critical warnings related to electrical hazards, fire risks, and improper handling of the appliance.

Indoor Unit Functions

Outdoor Unit Functions

Indoor Unit Dimensions

Outdoor Unit Dimensions

Specifications

Refrigerant Cycle Diagram

Indoor Unit Wiring Diagram

Outdoor Unit Wiring Diagram

Installation Details - Initial Steps

Wrench Torque Sheet

Specifies torque values for various fasteners during installation.

Connecting Cables

Guidelines for selecting and connecting power cords based on unit grade.

Pipe Length and Elevation

Technical requirements for refrigerant pipe length and elevation differences.

Air Purging

Procedure for removing air from the refrigeration piping and indoor unit.

Installation Details - Pumping Down

Installation Details - Re-air Purging

Installation Details - Balance Refrigerant

Installation Details - Evacuation

Installation Details - Gas Charging

Electronic Function Basics

Abbreviation

Defines technical abbreviations (T1, T2, T3, T4) used in the manual.

Display Function

Explains the meaning of icons and indicators on the indoor unit display.

Electronic Function - Protection & Fan-Only

Protection Features

Details various protection mechanisms for the compressor and unit operation.

Fan-Only Mode

Describes the operation and characteristics of the fan-only mode.

Electronic Function - Cooling Mode

Electronic Function - Drying & Heating Modes

Drying Mode

Outlines the functions and protections specific to the drying mode.

Heating Mode

Details indoor fan action, auto fan, and compressor operation in heating mode.

Electronic Function - Auto & Forced Modes

Auto Mode Function

Explains how the unit automatically selects cooling, heating, or fan-only modes.

Forced Operation Function

Describes how to activate forced cooling and auto modes and their behavior.

Action of 4-Way Valve

Specifies the operation of the 4-way valve in different modes.

Electronic Function - Fan, Timer & Sleep

Outdoor Fan Function

Details the operation of the outdoor fan in heating and cooling/drying modes.

Timer Function

Explains how to set and use the timer functions (on, off, on/off).

Sleep Function Mode

Describes the operation and duration of the sleep mode.

Electronic Function - Auto-Restart & Ionizer

Auto-Restart Function

Details the unit's behavior after a power failure.

Super Ionizer Function

Explains the operation of the super ionizer feature.

Self-Clean Function

Outlines the procedure and availability of the self-clean function.

Follow Me Function

Describes how the unit adjusts operation based on remote controller temperature readings.

Electronic Function - Optional Heating Cable

Troubleshooting - Safety & Electrical

Troubleshooting - Error Display

Troubleshooting - Diagnosis & Solution

Troubleshooting - Temperature Sensors

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