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Midea MS9A-12HRDN1-MP0W User Manual

Midea MS9A-12HRDN1-MP0W
73 pages
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9ASUL-A1-1211
SERVICE MANUAL
MIDEA AIRCONDITIONER
DC INVERTER
SPLIT WALL-MOUNTED TYPE
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Midea MS9A-12HRDN1-MP0W Specifications

General IconGeneral
Cooling Capacity12000 BTU/h
RefrigerantR410A
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.21
Operating Temperature (Cooling)17-32°C
Dimensions (Indoor Unit)805x194x285 mm
TypeSplit System
Operating Temperature (Heating)-7°C to 24°C

Summary

Safety and Precautions

1.1 Safety Precaution

General safety instructions to prevent injury and property damage.

1.2 Warnings and Cautions

Specific warnings and cautions for installation and operation to avoid hazards.

Technical Specifications

2. Function and Models

Details functions and lists model names for indoor/outdoor units.

3.1 Indoor Unit Dimensions

Provides dimensions (W, H, D) for various indoor unit models.

3.2 Outdoor Unit Dimensions

Provides dimensions (W, D, H, W1, A, B) for outdoor unit models.

4. Refrigerant Cycle Diagram

Illustrates the refrigerant flow for cooling and heat pump models.

5.1 Indoor Unit Wiring

Wiring diagrams for different indoor unit models.

5.2 Outdoor Unit Wiring

Wiring diagrams for different outdoor unit models.

Installation Procedures

6.1 Wrench Torque Sheet

Specifies torque values for connecting pipes during installation.

6.4 First-Time Installation

Procedures for leak testing and evacuation during initial installation.

6.5 Adding Refrigerant

Steps for adding refrigerant after the system has been running for years.

Operation and Functions

7. Operation Characteristics

Defines operating temperature ranges for cooling, heating, and drying modes.

8.1 Abbreviation & Display

Explains abbreviations and icons used in the display.

8.3 Main Protection

Details on various protection functions for the unit's components.

8.4 Operation Modes

Describes different operating modes like Fan, Cooling, Heating, Auto, etc.

Troubleshooting

9.1 Indoor Unit Error Display

Lists error codes displayed on the indoor unit and their meanings.

9.2 Outdoor Unit Error Display

Explains error indicators (LEDs) on the outdoor unit's PCB.

9.3 Diagnosis and Solution

Provides step-by-step guides for diagnosing and solving common error codes.

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