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Midea MOB01-18HFN1-QRD0GW User Manual

Midea MOB01-18HFN1-QRD0GW
42 pages
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Mission 3D Inverter Series
Service Manual 2014
MBSEU-A-1412
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Midea MOB01-18HFN1-QRD0GW Specifications

General IconGeneral
TypeSplit Air Conditioner
Cooling Capacity18000 BTU/h
Heating Capacity18000 BTU/h
Power Supply220-240V, 50Hz
RefrigerantR410A
Noise Level42 dB(A)
Operating Temperature0-30°C

Summary

1. Precaution

1.1 Safety Precaution

Instructions to prevent injury to users and property damage, including warnings about electrical shock and handling.

1.2 Warning

Warnings related to installation, electrical work, product handling, and potential hazards like fire and shock.

CAUTION

Important cautions regarding refrigerant leakage, water drainage, installation stability, and handling flammable gases.

2. Function

Model Names of Indoor/Outdoor Units

Lists indoor and outdoor unit models categorized by capacity (9k, 12k, 18k, 24k) for the 3D inverter series.

3. Dimension

3.1 Indoor Unit

Provides dimensions (W, D, H) for various indoor unit models in a table format.

3.2 Outdoor Unit

Illustrates recommended clearance distances around the outdoor unit for proper ventilation and service access.

4. Refrigerant Cycle Diagram

5 Installation Details

5.1 Wrench torque sheet for installation

Specifies torque values (N.cm) for connecting flare nuts of different pipe diameters.

5.2 Connecting the cables

Provides a table for selecting power cord cross-sectional area based on the rated current of the appliance.

5.3 Pipe length and the elevation

Details pipe sizes, standard/maximum lengths, elevation limits, and additional refrigerant amounts for different models.

5.4 Installation for the first time

Explains the importance of removing air and moisture, and outlines procedures for leak checking and vacuum pumping.

5.5 Adding the refrigerant after running the system for many years

Procedure for adding refrigerant to a system that has been in use for an extended period.

5.6 Re-installation while the indoor unit need to be repaired

Details the process of collecting refrigerant and purging air during re-installation after indoor unit repair.

5.7 Re-installation while the outdoor unit need to be repaired

Outlines the steps for system evacuation and refrigerant charging during re-installation of the outdoor unit.

6. Operation Characteristics

7. Electronic function

7.1 Abbreviation

Defines abbreviations (T1-T5) used for various temperature sensors within the air conditioning system.

7.2 Display function

Explains the indoor display board, digital display, and icons related to operational modes and features.

7.3 Main Protection

Details various protection mechanisms for the compressor, fan, and inverter module to ensure safe operation.

7.4 Operation Modes and Functions

Details various operational modes like Fan, Cooling, Heating, Defrosting, Auto, Drying, and Forced Operation.

8. Troubleshooting

Safety

Important safety warning about discharging electricity from capacitors before troubleshooting electrical components.

8.1 Indoor Unit Error Display

Lists error codes (E0-EC, F1-F5, P0-P4) displayed on the indoor unit, their causes, and LED status.

8.2 Trouble shooting

Guides on diagnosing and resolving various operational errors, including EEPROM, communication, fan, sensor, and protection issues.

Main parts check

1. Temperature sensor checking

Instructions on how to measure the resistance of temperature sensors using a tester.

2.Compressor checking

Procedure for checking the resistance values of compressor windings using a tester.

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