Midea MOD30-24HFN1-MU0W 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 MOD30-24HFN1-MU0W Specifications

General

Brand	Midea
Model	MOD30-24HFN1-MU0W
Category	Air Conditioner
Language	English

Summary

Precaution

Safety Precaution

Essential safety instructions to prevent injury and property damage during unit operation and handling.

Warning

Critical warnings regarding installation, operation, and maintenance to avoid hazards.

Dimension

Service Space

Indoor Unit Service Space

Specifies required clearance and space for indoor unit installation and maintenance.

Outdoor Unit Service Space

Specifies required clearance and space for outdoor unit installation and maintenance.

Refrigerant Cycle Diagram

Wiring Diagram

Indoor Unit Wiring Diagram

Detailed wiring diagrams for indoor units, showing connections and components.

Outdoor Unit Wiring Diagram

Detailed wiring diagrams for outdoor units, showing connections and components.

Electric Characteristics

The Specification of Power

Field Wiring

Installation Details

Location Selection

Guidelines for selecting optimal installation locations for indoor and outdoor units.

Indoor Unit Installation

Outdoor Unit Installation

Service Space for Outdoor Unit

Refrigerant Pipe Installation

Maximum Pipe Length and Height Drop

Drainage Pipe Installation

Vacuum Drying and Leakage Checking

Details the process for vacuum drying and leak testing the refrigerant system.

Engineering of Electrical Wiring

Best practices and safety for electrical wiring installation.

Test Operation

Procedures and checks for verifying correct operation after installation.

Electronic Function

Main Protection

Describes the unit's protection mechanisms against various malfunctions and overloads.

Troubleshooting

Indoor Unit Error Display

Lists indoor unit error codes and their corresponding LED status indications.

Error Display on Two Way Communication Wired Controller

Details error codes displayed on the wired controller and their meanings.

Outdoor Unit Error Display

Lists error codes displayed on the outdoor unit and their potential causes.

Diagnosis and Solution

Provides systematic troubleshooting guides for common error codes and malfunctions.

EEPROM Parameter Error Diagnosis and Solution (E0/F4)

Diagnoses and resolves EEPROM parameter errors on indoor or outdoor PCBs.

Communication Malfunction between Indoor and Outdoor Units Diagnosis and Solution (E1)

Troubleshoots communication errors between indoor and outdoor units.

Refrigerant Leakage Detection Diagnosis and Solution (EC)

Guides on detecting and resolving refrigerant leakage issues.

IPM Malfunction or IGBT Over-Strong Current Protection Diagnosis and Solution (P0)

Diagnoses and resolves IPM malfunction or over-current protection faults.

High Temperature Protection of Compressor Top Diagnosis and Solution (P2)

Addresses compressor top high temperature protection issues and solutions.

Disassembly Instructions

Indoor Unit Disassembly

Outdoor Unit Disassembly