Midea MOB01-12HFN1-MV0W User Manual

Revision O: 2103, Content updated.
Model Numbers:
Indoor Unit:
MCA3U-09HRFN1-M(C); MCA3U-12HRFN1-M(C); MCA3U-18HRFN1-M(C);
MFAU-12HRFN1-M(C); MCD-24HRFN1-M(C); MCD-36HRFN1-M(C);
MCD-48HRFN1-M(D); MUEU-18HRFN1-M(C); MUEU-24HRFN1-M(C); MUE-36HRFN1-M(C);
MUE-48HRFN1-M(C); MUE-60HRFN1-MW; MTIU-09HWFN1-M, MTIU-12HWFN1-M;
MTIU-18HWFN1-M; MTIU-24HWFN1-M; MTI-36HWFN1-M; MTI-48HWFN1-M;
MHG-60HWFN1-MW; MCD1-24HRFN1-MT0W(GA)
Outdoor Unit:
MOB30-09HFN1-MX0W; MOB01-09HFN1-MW0W; MOB30-12HFN1-MV0W;
MOB01-12HFN1-MV0W; MOCA30-18HFN1-MT0W; MOCA01-18HFN1-MT0W;
MOD30-24HFN1-MT0W; MOD01-23HFN1-MT0W; MOBA30-09HFN1-MT0W;
MOB30-12HFN1-MT0W; MOCA31-18HFN1-MT0W; MOD31-24HFN1-MT0W;
MOD30U-36HFN1-M; MOE30U-48HFN1-M; MOE30U-60HFN1-M; MOE30U-36HFN1-M-[X]
MOE30U-48HFN1-M-[X]; MOD30U-36HFN1-MP0; MOE30U-48HFN1-MP0
MOX230-09HFN1-MW5W; MOX330-09HFN1-MY5W; MOX230-12HFN1-MV5W;
MOX330-12HFN1-MW5W, MOX430-17HFN1-MT0W, MOD30-24HFN1-MU0W,
MOD33-24HFN1-MT0W
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. Fan Curves
8. Air Velocity Distributions
9. Electric Characteristics
10. Sound Level
11. Accessories
12. The Specification of Power
13. Field Wiring
14. Installation Details
15. Operation Characteristics
16. Electronic Function
17. Troubleshooting
18. 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 MOB01-12HFN1-MV0W Specifications

General

Cooling Capacity	12000 BTU/h
Refrigerant	R32
Power Supply	220-240V, 50Hz
Energy Efficiency Ratio (EER)	3.21
Coefficient of Performance (COP)	3.61
Indoor Unit Dimensions (WxHxD)	805 x 285 x 194 mm
Heating Capacity	13000 BTU/h
Type	Split Air Conditioner

Summary

Safety and Precautions

Safety Guidelines and Warnings

Critical safety instructions and warnings for handling the air conditioner to prevent injury and damage.

Unit Components and Features

Model Number Identification

Lists indoor and outdoor unit model numbers for different capacities and series.

Component Identification

Diagrams and labels identifying key parts of indoor and outdoor units.

Product Features Overview

Highlights unique features like lower noise, turbo mode, fire-proof box, and fresh air intake.

Technical Specifications

Unit Dimensions

Detailed dimensions for indoor and outdoor units across various models.

Electrical Characteristics

Specifies voltage, frequency, and power consumption for indoor units.

Power Wiring and Specifications

Details power supply, circuit breaker, and wiring requirements for different unit capacities.

Installation Guide

Installation Site and Service Space

Guidelines for selecting appropriate indoor and outdoor unit locations, including service space.

Indoor Unit Installation Procedures

Step-by-step instructions for installing various types of indoor units.

Outdoor Unit Installation Procedures

Step-by-step instructions for installing the outdoor unit, including service space and piping.

Refrigerant Piping Installation

Procedures for installing refrigerant pipes, including length limits and flaring.

Drainage Pipe Installation

Guidelines for installing the drainage pipe, including slope and material selection.

Vacuum Drying and Leakage Testing

Steps for vacuum drying the system and performing leakage checks.

Electrical Wiring Installation

Guidelines for proper field wiring and electrical connections.

Post-Installation Test Operation

Procedures for verifying correct installation and initial operation.

System Schematics

Refrigerant Cycle Diagram

Schematic illustrating the refrigerant flow in cooling and heating cycles.

Wiring Diagrams

Electrical schematics for indoor and outdoor units across various models.

Performance Data

Fan Performance Curves

Graphs showing fan speed vs. airflow for different operating conditions.

Sound Level Specifications

Noise level ratings (dB(A)) for indoor and outdoor units at different fan speeds.

Operation and Functions

Operating Modes Overview

Details on Cooling, Heating, Auto, Drying, Fan-only, Sleep, and other operational modes.

System Protection Features

Explains compressor, fan, and module protections against over/under voltage, temperature, etc.

Special Operational Features

Covers Auto-Restart, Follow Me, Timer, 8°C Heating, Drain Pump Control, ECO, Silence, and Active Clean.

Diagnostic and Point Check Functions

Information on checking system status and error codes via the remote controller.

Troubleshooting

Error Code Display Reference

Lists error codes displayed on the unit or controller and their corresponding malfunctions.

Troubleshooting Diagnosis Flowcharts

Step-by-step guides to diagnose and resolve common malfunctions and error codes.

Disassembly Instructions

Indoor Unit Disassembly Guide

Detailed steps and diagrams for disassembling various indoor unit components.

Outdoor Unit Disassembly Guide

Detailed steps and diagrams for disassembling various outdoor unit components.