Midea MCH5U-48PHH2

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 MCH5U-48PHH2 Specifications

General

Seasonal Energy Efficiency Ratio (SEER)	16
Refrigerant	R410A
Voltage	208/230V
Phase	1
HSPF	9.0
Cooling Capacity	48000 BTU/h
Heating Capacity	48000 BTU/h

Summary

Condensing Units Overview

Indoor Unit Combination Guide

Details on how indoor units can be combined with outdoor units.

Outdoor Unit Dimensions and Specifications

Physical dimensions and specifications of the outdoor units.

Refrigerant Cycle Diagrams Explained

Visual representation of the refrigerant flow in different system types.

Unit Installation Procedures and Details

Procedures and specifications for installing the units correctly.

Electronic Components and Functions

Explanation of the electronic components and their functions.

System Wiring Diagrams

Electrical schematics for connecting the system components.

Troubleshooting Common Issues and Error Codes

Guidance on diagnosing and resolving common issues and error codes.

Disassembly and Reassembly Guide

Step-by-step guide for taking apart the unit for maintenance or repair.