Midea MCD-24HRFN1-M(C)

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 MCD-24HRFN1-M(C) Specifications

General

Brand	Midea
Model	MCD-24HRFN1-M(C)
Category	Air Conditioner
Language	English

Summary

1. Precaution

1.1 Safety Precaution

1.2 Warning

4. Service Space

4.1 Indoor Unit

4.2 Outdoor Unit

5. Refrigerant Cycle Diagram

6. Wiring Diagram

6.1 Indoor Unit

6.2 Outdoor Unit

9. Electric Characteristics

12. The Specification of Power

13. Field Wiring

14. Installation Details

14.1 Location selection

14.2 Indoor unit installation

Provides step-by-step instructions for installing various indoor unit types like A6 Duct, Cassette, Console, and Ceiling-floor units.

14.3 Outdoor unit installation

Details the process for installing the outdoor unit, including service space requirements and mounting procedures.

14.4 Refrigerant pipe installation

Explains maximum pipe length, height drop, connection procedures, flaring, and insulation for refrigerant pipes.

14.5 Drainage pipe installation

Covers installation principles, pipe selection, system design, supporter gaps, and testing for drainage pipes.

14.6 Vacuum Drying and Leakage Checking

Describes the purpose, selection, and procedures for vacuum drying and checking for leaks in the system.

16. Electronic Function

16.3 Main Protection

Describes primary protection mechanisms for the compressor, including time delays, temperature protection, and inverter module protection.

16.4 Operation Modes and Functions

17. Troubleshooting

17.1 Indoor Unit Error Display

Lists error codes and corresponding LED status for indoor unit malfunctions, aiding in quick diagnosis.

17.2 Error Display on Two Way Communication Wired Controller

Details error codes displayed on the wired controller for various communication and panel malfunctions.

17.4 Diagnosis and Solution

Provides comprehensive troubleshooting guides for common error codes like EEPROM, communication, fan speed, and sensor issues.

18. Disassembly Instructions

18.1 Indoor unit

18.2 Outdoor unit