Midea MOBA30-09HFN1-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 MOBA30-09HFN1-MT0W Specifications

General

Type	Split Air Conditioner
Cooling Capacity	9000 BTU/h
Heating Capacity	9500 BTU/h
Refrigerant	R410A
Power Supply	220-240V, 50Hz
Energy Efficiency Ratio (EER)	3.21
Indoor Unit Weight	8 kg
Outdoor Unit Dimensions	700 x 480 x 240 mm

Summary

Precaution

Safety Precaution

Instructions to prevent injury to users and property damage during operation and handling.

Warning

Critical warnings regarding installation, operation, and potential hazards.

Dimension

Service Space Requirements

Indoor Unit Service Space

Outdoor Unit Service Space

Refrigerant Cycle Diagrams

Diagram for Specific MOCA/MOD/MOX Models

Illustrates the refrigerant flow for specific MOCA, MOD, and MOX series models.

Diagram for MOE30U Series

Shows the refrigerant cycle for MOE30U series indoor and outdoor units.

Diagram for MOX/MOD Series

Details the refrigerant cycle for MOX and MOD series air conditioners.

Wiring Diagrams

Indoor Unit Wiring Diagrams

Provides wiring schematics for various indoor unit models and micro-switch functions.

Outdoor Unit Wiring Diagrams

Field Wiring Specifications

Field Wiring for 9K-24K Units

Field Wiring for 36K-48K Units

Installation Details

Location Selection Guidelines

Indoor Unit Installation Procedures

Outdoor Unit Installation Procedures

Refrigerant Pipe Installation

Drainage Pipe Installation

Vacuum Drying and Leakage Checking

Test Operation Procedures

Steps for conducting the final test operation after installation is complete.

Troubleshooting Guides

Indoor Unit Error Display Codes

Lists error codes displayed on the indoor unit and their corresponding LED status.

Two Way Communication Wired Controller Errors

Error codes and LED status specifically for two-way communication wired controllers.

Diagnosis and Solution for Common Errors

Detailed troubleshooting steps for various error codes like EEPROM, communication, and fan issues.

Disassembly Instructions

Indoor Unit Disassembly Procedures

Outdoor Unit Disassembly Procedures