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Midea MSR1-18CRN1-QB8 User Manual

Midea MSR1-18CRN1-QB8
63 pages
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RSEU-A1-1206
SERVICE MANUAL
MIDEA AIRCONDITIONER
EUROPE MARKET
SPLIT WALL-MOUNTED TYPE
R ON-OFF SERIES
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Midea MSR1-18CRN1-QB8 Specifications

General IconGeneral
Cooling Capacity18000 BTU/h
Power Supply220-240V, 50Hz
RefrigerantR410A
Noise Level (Indoor)42 dB(A)
TypeSplit
Energy Efficiency Ratio (EER)3.2

Summary

1. Precaution

1.1 Safety Precaution

General safety instructions to prevent injury and property damage during operation and maintenance.

1.2 Warning

Critical warnings regarding installation, electrical work, grounding, and proper usage to avoid hazards.

4. Refrigerant Cycle Diagram

5. Wiring Diagram

5.1 Indoor Units

Provides wiring diagrams for specific MSR1 series indoor units, including component connections.

5.2 Outdoor Units

Presents wiring diagrams for specific outdoor unit models, showing component connections.

6. Installation Details

6.1 Wrench Torque Sheet

Specifies torque values for tightening flare nuts during installation to ensure proper sealing.

6.2 Connecting Cables

Guides on selecting appropriate power cords and fuses based on appliance current ratings.

6.4 First-Time Installation

Outlines the process of leak testing and evacuating the system for initial installation.

6.6 Re-installation (Indoor Unit Repair)

Details the procedure for collecting refrigerant into the outdoor unit before indoor unit repair.

6.7 Re-installation (Outdoor Unit Repair)

Describes the process of evacuating and recharging the system when the outdoor unit requires repair.

8. Electronic Function

8.3 Main Protection

Details various protection mechanisms like time delay, fan speed control, current limits, and communication errors.

9. Troubleshooting

9.1 Indoor Unit Error Display

Lists error codes displayed on the indoor unit and their corresponding failures.

9.2 Diagnosis and Solution

Offers step-by-step solutions for common problems indicated by error codes.

9.2.6 Indoor/Outdoor Unit Communication Error Diagnosis and Solution

Details how to diagnose and resolve communication errors between indoor and outdoor units.

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