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Midea MV5-X450W/V2GN1-AU User Manual

Midea MV5-X450W/V2GN1-AU
169 pages
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Model:
Technical Service Manual
V5 X Series VRF
3 phase, 380-415V, 50Hz
MV5-X224W/V2GN1-AU
MV5-X280W/V2GN1-AU
MV5-X335W/V2GN1-AU
MV5-X400W/V2GN1-AU
MV5-X450W/V2GN1-AU
MV5-X500W/V2GN1-AU

Table of Contents

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Midea MV5-X450W/V2GN1-AU Specifications

General IconGeneral
ModelMV5-X450W/V2GN1-AU
Cooling Capacity4.5kW
Heating Capacity5.0kW
RefrigerantR32
Power Supply220-240V, 50Hz
TypeSplit System

Summary

Part 1 General Information

1. Features

Details on V5 X Series VRF system features including energy saving, flexible design, reliability, and enhanced comfort.

Part 3 Specifications & Performances

7. Capacity tables

Comprehensive tables for cooling and heating capacity based on combination ratio, outdoor temp, and indoor temp.

Part 4 Installation

1. Units installation

Covers the essential steps for installing indoor and outdoor units, including preparation and hoisting.

1.1 Installation of indoor unit

Covers the procedure and cautions for installing indoor units, ensuring proper height, strength, and leveling.

1.2 Installation of outdoor unit

Guidelines for accepting, unpacking, and hoisting outdoor units safely and correctly.

3. Refrigerant piping selection

Details on selecting refrigerant pipes based on length, diameter, and combination ratio requirements.

4. Refrigerant pipe installation

Covers storage, maintenance, processing, brazing, and cleaning of copper pipes for refrigerant systems.

5. Drainage pipe engineering

Covers principles and requirements for drainage pipe installation, including slope and water storing elbows.

Part 5 Troubleshooting

2. Error code table

Comprehensive table listing error codes, their content, and relevant notes for diagnosing faults.

3. Troubleshooting

Provides a systematic guide for diagnosing and resolving common system errors and malfunctions.

4.1 E0: Communication Error between Outdoor Units

Troubleshooting steps for communication errors between outdoor units, including address and wiring checks.

4.2 E1: Phase Sequence Error

Procedure for resolving phase sequence errors in the power supply to ensure correct compressor operation.

4.3 E2: Communication Error between Indoor and Outdoor Units

Steps to diagnose and fix communication errors between indoor and outdoor units, checking wiring and interference.

4.6 E5: Power Supply Voltage Malfunction

Guidance on addressing power supply voltage issues, including checks for compressor and fan motor.

4.7 E8: Faulty Outdoor Unit Address

Troubleshooting steps for incorrect or repeated outdoor unit addresses, ensuring proper system identification.

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