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Midea M-thermal Split MHA-V8W/D2N8 User Manual

Midea M-thermal Split MHA-V8W/D2N8
48 pages
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M-thermal Split
Outdoor Unit
INSTALLATION
AND OWNER’S MANUAL
Thank you very much for purchasing our product,
Before using your unit , please read this manual carefully and keep it for future reference.
IMPORTANT NOTE:
MHA-V4W/D2N8
MHA-V6W/D2N8
MHA-V8W/D2N8
MHA-V10W/D2N8
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Midea M-thermal Split MHA-V8W/D2N8 Specifications

General IconGeneral
BrandMidea
ModelM-thermal Split MHA-V8W/D2N8
CategoryHeat Pump
LanguageEnglish

Summary

Safety Precautions and Symbol Meanings

DANGER, WARNING, CAUTION, NOTE Symbol Definitions

Explains the meaning of DANGER, WARNING, CAUTION, and NOTE symbols used in the manual.

Refrigerant Information and Safety

Refrigerant Type, Volume, and GWP

Details the refrigerant type (R32), its quantity, and Global Warming Potential (GWP).

Connecting Pipe Installation

Refrigerant Piping Requirements

Explains requirements for refrigerant pipe length, height difference, and bends.

Leakage Detection Procedures

Leakage Testing Methods

Describes how to check for refrigerant leaks using soap water or a detector.

Heat Insulation for Pipes

Pipe Preparation and Testing

Airtight Testing Procedure

Details the process of performing an airtight test using pressurized nitrogen.

Outdoor Unit Wiring Guide

Electrical Wiring Safety Precautions

Safety guidelines for electrical wiring work, including cable fixing and terminal connections.

Power Supply Wiring Guidelines

Advice on connecting the power supply, including terminal types and wire gauges.

Safety Device Requirements

4~10kW Unit Electronics (continued)

Test Running and Refrigerant Leakage

Test Running Procedure

Guidelines for operating the unit for the first time after installation.

Refrigerant Leakage Precautions

Charge Limits in Unventilated Areas

Specifies requirements for refrigerant charge limits based on room area.

Refrigerant Leakage Prevention

General Safety Warnings and Cautions

Critical Operational Warnings

Lists critical warnings related to operation, fire, electric shock, and damage.

Operation and Performance Overview

Error Codes Overview

Error Code ES and E6 Details

Details the malfunction and corrective action for error codes ES and E6.

Error Codes Continued

Error Codes E9, ER, H0 Details

Details the malfunction and corrective action for error codes E9, ER, and H0.

Error Codes H1 and H4 Details

Details the malfunction and corrective action for error codes H1 and H4.

Technical Specifications

Servicing Information: Safety Checks

Pre-Work Safety Checks and Area Preparation

Outlines safety checks before working on refrigerant systems and preparing the area.

Fire Safety and Ignition Control

Specifies the need for fire extinguishers and eliminating ignition sources during servicing.

Servicing Information: Procedures

Servicing Information: Leak Detection and Refrigerant Handling

Leak Detection Methods and Refrigerant Removal

Covers leak detection methods and procedures for refrigerant removal and evacuation.

Charging Procedures and Safety

Details requirements for charging refrigerant, including contamination prevention and safety.

Annex B: Wiring Diagram

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