Midea MUBU-12HRFN1-M User Manual

Revision A: 1507070001.
Model Numbers:
Indoor Unit:
MUBU-12HRFN1-M(C); MUEU-18HRFN1-M(C)
MUBU-18HRFN1-M(C); MCA3U-18HRFN1-M(C);
MUEU-24HRFN1-M(C); MCD-24HRFN1-M(C)
MUE-36HRFN1-M(C); MCD-36HRFN1-M(C)
MUE-48HRFN1-M(C); MCD-48HRFN1-M(C)
Outdoor Unit:
MOZ-12HFN1-MU5W; MOF-18HFN1-MT0W;
MOF-17HFN1-MT0W; MOY-23HFN1-MT0W;
MOU-36HFN1-M(C); MOU-48HFN1-M(C)
Light commercial MONO 3D Air
Conditioner
SERVICE MANUAL Mono DC
Table of Contents
1. Precaution
2. Part Names And Functions
3. Dimension
4. Service space
5. Refrigerant Cycle Diagram
6. Wiring Diagram
7. Electric Characteristics
8. Sound Level
9. Accessories
10. The Specification of Power
11. Installation Details
12. Operation Characteristics
13. Electronic Function
14. Solar Panel
15. Troubleshooting
16. Disassembly Instructions
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.
 This service is only for service engineer to use.

Midea MUBU-12HRFN1-M Specifications

General

Brand	Midea
Model	MUBU-12HRFN1-M
Category	Air Conditioner
Language	English

Summary

Precaution

Safety Precaution and Warning

Instructions to prevent injury and property damage, and critical operational warnings.

Unit Identification and Features

Model Names and Part Identification

Lists of model names and diagrams identifying unit parts.

Unit Features

Description of the unit's special functionalities and design aspects.

Unit Dimensions and Space

Indoor Unit Dimensions

Specific dimensions for ceiling-floor and cassette indoor units.

Outdoor Unit Dimensions and Service Space

Dimensions for outdoor units and required installation clearances.

Wiring and Electrical Information

Wiring Diagrams

Detailed electrical schematics for indoor and outdoor units.

Electric Characteristics and Power Specs

Electrical data, power requirements, and specifications.

Installation Guidance

Location Selection and Unit Installation

Guidelines for choosing locations and installing indoor/outdoor units.

Pipe and Drainage Installation

Steps for connecting refrigerant pipes, drainage, and vacuum procedures.

Operation and Electronics

Operation Modes and Characteristics

Details on operating modes, performance conditions, and fan control.

Electronic Functions and Protection

Explanation of display functions, protection mechanisms, and auto modes.

Troubleshooting and Diagnostics

Error Displays and Diagnosis

Indoor and outdoor unit error codes, their meanings, and diagnosis steps.

Component Testing Procedures

Instructions for testing key components like sensors and compressors.

Disassembly Instructions

Indoor Unit Disassembly

Procedures for taking apart indoor unit parts like filters, panels, and motors.

Outdoor Unit Disassembly

Procedures for taking apart outdoor unit components like panels, fans, and electrical parts.