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Midea MP12HMB63 User Manual

Midea MP12HMB63
36 pages
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SERVICE MANUAL
PTACSERIES
7,000-15,000 BTU/H
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Midea MP12HMB63 Specifications

General IconGeneral
BrandMidea
ModelMP12HMB63
CategoryAir Conditioner
LanguageEnglish

Summary

Precautions

Safety Precautions

To prevent personal injury and/or property damage, follow the instructions.

Installation Warnings

Warnings to reduce risk during installation process: fire, shock, injury, death, failure.

Installation Procedures

Unit Installation Guide

Instructions on how to properly install the air conditioner unit.

Installation Safety Caution

Caution: Sharp edges can cause injury. Use two people to lift the heavy unit.

Initial Unit Installation Steps

Instructions for installing the unit into the wall sleeve, including removing tapes and screws.

Continued Unit Installation

Continuing installation steps: securing unit, reinstalling panel, drain kit.

Care and Cleaning

Functions and Control Panel

DIP Switch Configuration Details

Controller and Panel Functions

Refrigerant Cycle Diagram

Electronic Functions

Protection Functions Details

Details on protection functions like compressor delay, sensor protection, and anti-freezing.

Evaporator High Temperature Protection

Details on evaporator high-temperature protection for heat pump and cooling modes.

DIP Switches and Jumper Selection

Power Connection Options

Power Cord Kit Selection Guide

Determining the correct power cord accessory kit based on circuit voltage and amperage.

Cord-Connected Unit Requirements

Requirements for cord-connected units, including outlet matching and subbase.

Power Cord Protection Features

Features of power cord protection for 230/208V units and its absence in 265V models.

Power Connection Chart

Troubleshooting

Error Display Codes

Table listing error codes and their explanations for unit malfunctions.

General Troubleshooting Guide

General troubleshooting procedures for common issues.

Temperature Sensor Error Diagnosis

Diagnosis and solutions for temperature sensor errors (open circuit or short circuit).

Communication Malfunction Diagnosis

Troubleshooting steps for communication errors between main and display boards.

Drive-by-Wire Controller Failure Diagnosis

Diagnosis and solutions for drive-by-wire controller failures.

Troubleshooting Common Issues

Unit Start-Up Problems

Troubleshooting steps for when the unit fails to start.

Room Temperature Control Issues

Steps to address issues with the unit not cooling or heating the room effectively.

Compressor Protection & Restart Issues

Explanation of compressor protection modes and random restarts.

Temperature Sensor Data

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