Midea Aurora MOZ1-18HFN1-QRD0GW User Manual

Aurora 3D Inverter Series
Service Manual 2014
ABSEU-A1-1410

Midea Aurora MOZ1-18HFN1-QRD0GW Specifications

General

Brand	Midea
Model	Aurora MOZ1-18HFN1-QRD0GW
Category	Air Conditioner
Language	English

Summary

1. Safety and Precautions

1.1 Safety Precautions

General safety instructions to prevent injury and property damage.

1.2 Warnings

Critical warnings for installation and operation, including electrical hazards.

General Cautions

Important cautions related to operation, environment, and handling.

3. Unit Dimensions

3.1 Indoor Unit Dimensions

3.2 Outdoor Unit Dimensions

4. Refrigerant Cycle Diagram

5. Wiring Diagrams

5.1 Indoor Unit Wiring

Detailed wiring schematics for indoor units.

5.2 Outdoor Unit Wiring

Detailed wiring schematics for outdoor units.

6. Installation Procedures

6.3 Pipe Length and Elevation

6.4 First-Time Installation

Step-by-step guide for initial installation, including leak testing and evacuation.

8. Electronic Functions

8.3 Main Protection Features

Details on compressor and unit protection mechanisms.

8.4 Operational Modes and Functions

8.4.4 Evaporator Coil Temperature Protection

9. Troubleshooting Guide

Capacitor Safety Precautions

Critical safety steps for handling electrical capacitors.

9.1 Indoor Unit Error Codes

Table mapping error codes to specific issues and LED status.

9.2 Troubleshooting Common Errors

9.2.2 Communication Error (E1)

9.2.4 Fan Speed Control Error (E3)

9.2.4 Refrigerant Leakage Detection (EC)

9.2.5 Temperature Sensor Errors (E5/F1-F3)

9.2.6 IPM Malfunction/Over-current Protection (P0)

Diagnosis and solution for IPM malfunction or over-current protection.

9.2.7 Voltage Protection (P1)

9.2.8 Compressor Top Temperature Protection (P2)

9.2.9 Inverter Compressor Drive Error (P4)

Main Component Checks

1. Temperature Sensor Resistance Check

2. Compressor Winding Resistance Check