Midea MOB30-12HFN1-MT0W 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 MOB30-12HFN1-MT0W Specifications

General

Model Number	MOB30-12HFN1-MT0W
Cooling Capacity	12000 BTU/h
Refrigerant	R32
Voltage	220-240V
Frequency	50Hz
Type	Split Type
Noise Level	42 dB(A)
Dehumidification Capacity	1.2 L/h

Summary

1. Precaution

1.1 Safety Precaution

Essential safety guidelines to prevent injury and property damage during operation and maintenance.

1.2 Warning

6. Wiring Diagram

6.1 Indoor Unit Wiring Diagrams

6.2 Outdoor Unit Wiring Diagrams

14. Installation Details

14.1 Location Selection

Guidelines for selecting optimal locations for indoor and outdoor units for performance and maintenance.

14.2 Indoor Unit Installation

14.3 Outdoor Unit Installation

17. Troubleshooting

17.1 Indoor Unit Error Display

Explanation of indoor unit error codes and their corresponding LED statuses for quick diagnosis.

17.3 Outdoor Unit Error Display

Explanation of outdoor unit error codes for quick diagnosis and reference.

17.4 Diagnosis and Solution

Detailed troubleshooting procedures and solutions for common malfunctions and error codes.

18. Disassembly Instructions

18.1 Indoor Unit Disassembly

18.2 Outdoor Unit Disassembly