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Midea MSY-09HRDN1-QC8 User Manual

Midea MSY-09HRDN1-QC8
44 pages
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Website: www.mideaaircon.com
Service Manual
AIR CONDITIONER
DC Inverter
Split Wall-Mounted Type
Model Refrigerant type Power supply
MSY-09HRDN1-QC8 R410A 1Ph, 220~240V, 50Hz
MSY-12HRDN1-QC4 R410A 1Ph, 220~240V, 50Hz
MSY-09HRDN1-QC2 R410A 1Ph, 220~240V, 50Hz
MSY-12HRDN1-QC2 R410A 1Ph, 220~240V, 50Hz
MSY
-18HRDN1-QC2 R410A 1Ph, 220~240V, 50Hz
Y series
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Midea MSY-09HRDN1-QC8 Specifications

General IconGeneral
Power Supply220-240V, 50Hz
TypeSplit System
Cooling Capacity9000 BTU/h
Heating Capacity9000 BTU/h
Indoor Noise Level24 dB
Dimensions (Indoor Unit)190 mm

Summary

1. Precaution

Safety Precautions

Essential safety guidelines for users and installers to prevent injury and equipment damage.

Installation Warnings

Critical warnings related to electrical safety, proper installation, and handling of the unit.

7. Installation Details

Wrench Torque Specifications

Recommended torque values for tightening fittings during installation.

Pipe Length and Elevation Limits

Maximum permissible pipe length and elevation difference between indoor and outdoor units.

Air Purging Procedure

Steps for removing air and moisture from the refrigerant piping system.

Pumping Down Procedure

Method for transferring refrigerant to the outdoor unit before servicing or removal.

Gas Charging Procedure

Steps for charging the system with the correct amount of refrigerant.

9. Troubleshooting

Safety Precautions for Troubleshooting

Important safety advice regarding high voltage capacitors before performing troubleshooting.

Indoor Unit Error Display Codes

List of error codes displayed on the indoor unit and their corresponding LED status.

Diagnosis and Solution: Errors E0-E2

Troubleshooting steps for common indoor unit errors like EEPROM, communication, and zero-crossing.

Diagnosis and Solution: Errors E3-P0

Troubleshooting steps for fan speed, sensor, and IGBT protection errors.

Diagnosis and Solution: Protection Codes P1-P4

Troubleshooting steps for voltage, compressor top temp, and inverter drive errors.

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