Table of Contents
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CONDENSING UNITS
Revision E:
Model Numbers:
M2OF-18HFN1-M
M5OF-48HFN1-M
Table of Contents
1.
2.
3.
4.
5.
6.
7.
Trouble Shooting
8.
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.
Multi outdoor units
SERVICE MANUAL
ODMFI-E-1712
M3OF-27HFN1-M M4OF-36HFN1-M
1
Multi zone
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Table of Contents
Troubleshooting
Related Manuals for Midea DLCMRAH36DAK
Summarization of Contents
Indoor Unit Combination
Indoor Unit Combination Details
Table outlining possible indoor unit combinations with outdoor units.
Dimension Of Outdoor Unit
Outdoor Unit Dimensions
Table listing physical dimensions (W, D, H, W1, A, B) for outdoor units.
Refrigerant Cycle Diagram
Refrigerant Circuit Diagrams
Diagrams illustrating refrigerant circuits for various inverter drive types.
Installation Details
Installation Procedures and Guidelines
Covers torque specs, cable connections, pipe limits, first-time install, and refrigerant handling.
Electronic Function
Abbreviations and Environment
List of abbreviations and electric control working environment specifications.
Main Protection Mechanisms
Details on various protection systems like compressor, fan, inverter, and voltage.
Control and Functions
Covers capacity calculation, defrosting, fan, EXV, and four-way valve controls.
Wiring Diagrams
Wiring Diagrams by Model
Electrical wiring diagrams for different outdoor unit models.
Troubleshooting
Safety Precautions
Essential safety measures to observe during troubleshooting and maintenance.
Error Displays and Codes
Indoor and outdoor unit error displays, LED status, and their meanings.
Diagnosis and Solutions
Step-by-step troubleshooting guides for various malfunction conditions and error codes.
Trouble Criterion of Main Parts
Methods for checking the condition of key components like sensors, motors, and valves.
Disassembly Instructions
M2OF-18HFN1-M Disassembly Procedures
Instructions for disassembling fan, panels, electrical parts, compressor, reactor, and valves.
M3OF-27HFN1-M Disassembly Procedures
Instructions for disassembling panels, fan, electrical parts, and compressor for this model.
M4OF-36HFN1-M Disassembly Procedures
Instructions for disassembling panels, fan, electrical parts, and compressor for this model.
M5OF-48HFN1-M Disassembly Procedures
Instructions for disassembling fan, panels, electrical parts, and compressor for this model.
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