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Midea MTIU-18HWFN1-M User Manual

Midea MTIU-18HWFN1-M
247 pages
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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.

Table of Contents

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Midea MTIU-18HWFN1-M Specifications

General IconGeneral
BrandMidea
ModelMTIU-18HWFN1-M
CategoryAir Conditioner
LanguageEnglish

Summary

1. Precaution

1.1 Safety Precaution

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

1.2 Warning

Critical warnings related to installation, operation, and electrical safety.

3. Dimension

4. Service Space

5. Refrigerant Cycle Diagram

6. Wiring Diagram

6.1 Indoor Unit

Wiring diagrams for various indoor unit models, detailing connections and components.

6.2 Outdoor Unit

Wiring diagrams for various outdoor unit models, illustrating component connections.

12. The Specification of Power

13. Field Wiring

14. Installation Details

14.1 Location selection

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

14.2 Indoor unit installation

Detailed instructions for installing indoor units, including A6 Duct and hanging methods.

14.3 Outdoor unit installation

Guidelines for selecting service space and installing outdoor units.

14.4 Refrigerant pipe installation

Details on maximum pipe length, height drop, and connecting refrigerant pipes.

14.6 Vacuum Drying and Leakage Checking

Procedures and purpose for vacuum drying and checking for refrigerant leakage.

14.7 Additional refrigerant charge

Process for calculating and adding refrigerant based on pipe diameter and length.

17. Troubleshooting

18. Disassembly Instructions

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