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Midea MOB1-12HN1-QC2 User Manual

Midea MOB1-12HN1-QC2
56 pages
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LUNA ON-OFF SERIES
Service Manual 2014
9ASEU-B1-1401
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Midea MOB1-12HN1-QC2 Specifications

General IconGeneral
Cooling Capacity12000 BTU/h
RefrigerantR410A
Voltage220-240V
Frequency50Hz
Compressor TypeRotary
TypeSplit
Power SupplySingle Phase
Outdoor Unit Dimensions (HxWxD)550 x 700 x 275 mm

Summary

Precaution

1.1 Safety Precaution

General instructions to prevent injury, damage, and ensure safe operation.

1.2 Warning

Critical warnings for installation, electrical work, and operation to prevent hazards.

Function

Model List

Lists model names for indoor and outdoor units across different capacities.

Dimension

3.1 Indoor Unit Dimensions

Provides dimensional specifications and installation hole details for indoor units.

3.2 Outdoor Unit Dimensions

Details the dimensions and required clearance for outdoor units.

Refrigerant Cycle Diagram

Refrigerant Flow Diagram

Illustrates the flow of refrigerant through the indoor and outdoor units.

Wiring Diagram

5.1 Indoor Unit Wiring

Explains the internal wiring connections for indoor units.

5.2 Outdoor Unit Wiring

Details the wiring diagrams for various outdoor unit models.

Installation Details

6.1 Installation Torque and Cable Specs

Specifies torque values for installation fasteners and cable connection sizes.

6.2 Cable Connection Guidelines

Provides guidelines for selecting power cord cross-sectional area based on appliance current.

6.3 Pipe Length and Elevation

Details pipe sizes, lengths, elevations, and refrigerant amounts for different models.

6.4 First Time Installation Procedures

Outlines procedures for leak testing and evacuation of the refrigerant system.

6.5 Adding Refrigerant (Post-Installation)

Describes the process of adding refrigerant to an existing system after years of operation.

6.6 Re-installation (Indoor Unit Repair)

Explains how to collect refrigerant before indoor unit repair or re-installation.

6.7 Re-installation (Outdoor Unit Repair)

Details evacuation and refrigerant charging for outdoor unit re-installation.

Operation Characteristics

Operating Temperature Ranges

Specifies the optimal cooling, heating, and drying operating temperature ranges for various conditions.

Electronic Functions

8.1 Abbreviations

Defines abbreviations used for temperature sensors (T1-T5).

8.2 Display Icons

Explains the icons and indicators on the indoor unit's display board.

8.3 Main Protection Features

Describes the unit's main protection mechanisms against electrical and operational faults.

8.4 Operation Modes and Functions

Covers fan modes, cooling, heating, drying, auto, and sleep functions.

Troubleshooting

9.1 Indoor Unit Error Display

Lists error codes and their corresponding LED status for indoor unit malfunctions.

9.2 Diagnosis and Solution

Provides step-by-step guidance for diagnosing and resolving common unit issues.

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