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Midea MOA1-09HN1-QC2 User Manual

Midea MOA1-09HN1-QC2
63 pages
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RSEU-A1-1206
SERVICE MANUAL
MIDEA AIRCONDITIONER
EUROPE MARKET
SPLIT WALL-MOUNTED TYPE
R ON-OFF SERIES
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Midea MOA1-09HN1-QC2 Specifications

General IconGeneral
TypeSplit Air Conditioner
Cooling Capacity9000 BTU/h
RefrigerantR410A
Weight (Indoor Unit)8 kg
Weight (Outdoor Unit)23 kg
Noise Level (Outdoor Unit)52 dB(A)
Power Supply220-240V, 50Hz

Summary

1. Safety and Precautions

1.1 General Safety Precautions

General instructions to prevent injury and property damage.

1.2 Installation and Electrical Warnings

Critical warnings regarding installation and electrical safety.

General Installation Cautions

Important notes and warnings for installation and operation.

2. Unit Functions

Indoor/Outdoor Model Names

Lists indoor and outdoor unit model names by capacity.

3. Unit Dimensions

3.1 Indoor Unit Dimensions

Dimensions and installation hole details for various indoor unit models.

3.2 Outdoor Unit Dimensions

Dimensions and installation clearances for outdoor units.

4. Refrigerant Cycle Diagrams

Cooling Only Models Cycle

Diagram illustrating the refrigerant flow for cooling-only models.

Heat Pump Models Cycle

Diagram illustrating the refrigerant flow for heat pump models.

5. Wiring Diagrams

5.1 Indoor Unit Wiring

Wiring schematics for various Midea indoor unit models.

5.2 Outdoor Unit Wiring

Wiring schematics for various Midea outdoor unit models.

6. Installation Procedures

6.1 Wrench Torque Specifications

Torque specifications for pipe connections during installation.

6.2 Cable Connection Guidelines

Guidelines for selecting appropriate power cords based on current.

6.3 Pipe Length and Elevation Limits

Specifications for refrigerant pipe length and elevation differences.

6.4 First Time Installation

Procedures for initial installation including leak testing and evacuation.

6.5 Adding Refrigerant (Long Term)

Detailed steps for adding refrigerant to an existing system.

6.6 Re-installation (Indoor Repair)

Procedure for collecting refrigerant before indoor unit repair.

6.7 Re-installation (Outdoor Repair)

Procedures for system evacuation and refrigerant charging during re-installation.

7. Operational Characteristics

Operational Cautions

Important operational warnings and conditions for optimal performance.

8. Electronic Functions

8.1 Abbreviation Definitions

Definitions of common temperature and sensor abbreviations.

8.2 Indoor Display Icons

Explanation of icons displayed on the indoor unit control panel.

8.3 Main Protection Features

Details on various protection features like time delay, fan speed, current, and communication errors.

8.4 Operation Modes Overview

Description of fan, cooling, heating, drying, auto, and forced operation modes.

8.4.3.5 Defrosting Mode Details

Conditions and actions for the defrosting mode.

8.4.4 Auto-Mode Operation

How the unit selects cooling, heating, or fan mode based on temperature.

8.4.5 Drying Mode Operation

Operation and rules for the drying mode.

8.4.6 Forced Operation Functionality

How to use forced cooling and forced auto modes.

8.4.7 Timer Functionality

Explanation of timer on, off, and on/off functions.

8.4.8 Sleep Mode Operation

Operation and duration of the sleep mode.

8.4.9 Auto-Restart Function

How the unit resumes operation after power failure.

9. Troubleshooting Guide

9.1 Indoor Unit Error Displays

Table mapping operation lamps to specific error conditions.

9.2 Diagnosis and Solutions

Step-by-step troubleshooting guides for various error codes and issues.

9.2.2 Sensor Circuit Errors

Troubleshooting steps for sensor circuit errors.

9.2.3 Over Current Protection Faults

Troubleshooting for over current protection faults.

9.2.4 EEPROM Parameter Errors

Troubleshooting for EEPROM parameter errors.

9.2.5 Zero Crossing Detection Errors

Troubleshooting for zero crossing detection errors.

9.2.6 Unit Communication Errors

Troubleshooting for communication errors between units.

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