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Midea MEHSU-24CHD2 User Manual

Midea MEHSU-24CHD2
81 pages
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CONTENTS
1. Precaution ..................................................................................................................................................... 1
1.1 Safety Precaution .......................................................................................................................... 1
1.2 Warning .......................................................................................................................................... 1
2. Part Names and Features ............................................................................................................................ 4
2.1 Model Names of Indoor/Outdoor units .......................................................................................... 4
2.2 Part names of Indoor/Outdoor units .............................................................................................. 5
2.3 Features ......................................................................................................................................... 9
3. Dimension ................................................................................................................................................... 18
3.1 Indoor Unit ................................................................................................................................... 18
3.2 Outdoor Unit ................................................................................................................................ 23
4. Service Space ............................................................................................................................................. 25
4.1 Indoor Unit ................................................................................................................................... 25
4.2 Outdoor Unit ................................................................................................................................ 27
5. Refrigerant Cycle Diagram ........................................................................................................................ 28
6. Wiring Diagram ........................................................................................................................................... 29
6.1 Indoor Unit ................................................................................................................................... 29
6.2 Outdoor Unit ................................................................................................................................ 34
7. Fan Curves .................................................................................................................................................. 41
8 Electric Characteristics .............................................................................................................................. 48
9 Sound Level ................................................................................................................................................. 49
9.1 Indoor unit .................................................................................................................................... 49
9.2 Outdoor unit ................................................................................................................................. 52
10 Accessories ............................................................................................................................................... 53
11 The Specification of Power ...................................................................................................................... 55
12 Installation Details .................................................................................................................................... 57
12.1 Location selection ................................................................................................................... 57
12.2 Indoor unit installation ............................................................................................................. 57
12.3 Outdoor unit installation .......................................................................................................... 64
12.4 Refrigerant pipe installation .................................................................................................... 65
12.5 Drainage pipe installation ....................................................................................................... 69
12.6 Vacuum Drying and Leakage Checking ................................................................................. 72
12.7 Additional refrigerant charge .................................................................................................. 73
12.8 Engineering of insulation ........................................................................................................ 74
12.9 Engineering of electrical wiring ............................................................................................... 75
12.10 Test operation ...................................................................................................................... 75
13. Operation Characteristics ....................................................................................................................... 77
14. Electronic Function .................................................................................................................................. 78
14.1 Abbreviation ............................................................................................................................... 78
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Midea MEHSU-24CHD2 Specifications

General IconGeneral
BrandMidea
ModelMEHSU-24CHD2
CategoryAir Conditioner
LanguageEnglish

Summary

Precaution

1.1 Safety Precaution

General safety instructions to prevent injury and property damage.

1.2 Warning

Crucial warnings regarding installation, operation, and maintenance.

Dimension

Service Space

Refrigerant Cycle Diagram

Wiring Diagram

6.1 Indoor Unit

Shows wiring diagrams for various indoor unit models.

6.2 Outdoor Unit

Shows wiring diagrams for outdoor units (MCHSU-09PHH2, etc.).

Fan Curves

The Specification of Power

Installation Details

12.1 Location selection

Guidelines for selecting indoor and outdoor unit locations.

12.2 Indoor unit installation

Service space, bolt pitch, and general installation steps for indoor units.

12.3 Outdoor unit installation

Service space requirements and bolt pitch for outdoor units.

12.4 Refrigerant pipe installation

Guidelines for pipe length, height drop, and installation procedures.

12.10 Test operation

Procedures and points to confirm before test operation.

Troubleshooting

16.1 Indoor Unit Error Display

Lists and explains error codes displayed by the indoor unit.

16.2 Outdoor unit error display

Lists and explains error codes displayed by the outdoor unit.

16.3 Diagnosis and Solution

Provides diagnostic steps and solutions for common issues.

Disassembly Instructions

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