Midea MCH4U-36PHH2

1
MULTI OUTDOOR UNITS
SERVICE MANUAL
Multi zone
CONDENSING UNITS
Revision C: ODMI-E-1606
Model Numbers:
MCH2U-18PHH2 MCH3U-27PHH2 MCH4U-36PHH2
MCH5U-48PHH2
WARNING
 Installation MUST conform with local building codes or, in the absence of local
codes, with the National Electrical Code NFPA70/ANSI C1-1993 or current edition
and Canadian Electrical Code Part1 CSA C.22.1.
 The information contained in the manual is intended for use by a qualified service
technician familiar with safety procedures and equipped with the proper tools and
test instruments
 Installation or repairs made by unqualified persons can result in hazards to you
and others.
 Failure to carefully read and follow all instructions in this manual can result in
equipment malfunction, property damage, personal injury and/or death.
Table of Contents
1. Indoor Unit Combination
2. Suggested Indoor Unit Model Numbers
3. Dimension Of Outdoor Unit
4. Refrigerant Cycle Diagram
5. Installation Details
6. Electronic Function
7. Wiring Diagrams
8. Trouble Shooting
9. Disassembly Instructions

Midea MCH4U-36PHH2 Specifications

General

Brand	Midea
Model	MCH4U-36PHH2
Category	Air Conditioner
Language	English

Summary

CONDENSING UNITS

Indoor Unit Combination

Details combinations of indoor units with outdoor units.

Dimension Of Outdoor Unit

Refrigerant Cycle Diagram

Illustrates the refrigerant flow in the system.

Installation Details

First-Time Installation

Step-by-step guide for initial system setup.

Adding Refrigerant after Long-Term System Operation

Procedure for adding refrigerant to an existing system.

Procedure when servicing the indoor unit refrigeration circuit

Steps for servicing indoor unit refrigeration circuits.

Evacuation after servicing the outdoor unit refrigeration circuit

Electronic Function

Main Protection

Control and Functions

Troubleshooting

Safety Precautions

Crucial safety information and precautions during operation.

Indoor Unit Error Codes and Diagnosis

Lists error codes, diagnosis, and solutions for indoor units.

Outdoor Unit Error Codes and Diagnosis

Lists error codes, diagnosis, and solutions for outdoor units.

Indoor Unit Specific Troubleshooting

Outdoor Unit Specific Troubleshooting