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Midea MSC-18HRIN1 User Manual

Midea MSC-18HRIN1
54 pages
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Content
1
MSC-18HRIN1; MSH-18HRIN1(AAC-18ISCH)
MSE-09HRIN2; MSE-12HRIN2
MSG-07CRIN2; MSG-09HRIN2
MSG-12HRIN2;
MSG-09HRI ;MSG-12HRI
MSG-21HRI ; MSG-24HRI

Table of Contents

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Midea MSC-18HRIN1 Specifications

General IconGeneral
BrandMidea
ModelMSC-18HRIN1
CategoryAir Conditioner
LanguageEnglish

Summary

1. Precaution

1.1 Safety Precaution

Instructions to prevent injury and property damage. Read manual before service.

1.2 Warning

Warnings for installation, electrical work, and general usage to prevent hazards.

CAUTION

Cautions for installation, gas leakage, noise, and handling the unit to prevent damage.

3. Dimension

4. Specification

6. Operation limits

6.1 Cooling operation

Defines the operational limits for cooling mode based on indoor and outdoor temperatures.

6.2 Heating operation

Defines the operational limits for heating mode based on indoor and outdoor temperatures.

7. Schematic diagram and Wiring diagram

7.1. Schematic diagram

Detailed circuit diagrams for indoor and outdoor control boards.

7.2. Wiring diagram

Wiring diagrams illustrating connections between indoor and outdoor units and components.

8. Installation details

8.1 Wrench torque sheet for installation

Specifies torque values for tightening fittings during installation.

8.3 Pipe length and the elevation

Details on standard and maximum pipe lengths and elevation limits for refrigerant piping.

8.4 Air purging of the piping and indoor unit

Procedure for removing air from the refrigeration system before operation.

8.5 Pumping down (Re-installation)

Procedure for removing refrigerant from the system during re-installation.

8.8 Evacuation

Procedure for removing moisture and air from the system using a vacuum pump.

8.9 Gas charging

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

11. Electronic function

11.2. Protection

Details on various protection mechanisms and error codes for the unit.

11.7. Defrosting operation (Available for heating only)

Conditions and actions for the automatic defrosting operation in heating mode.

13. Troubleshooting

13.1 Indoor Unit Error Display

List of error codes displayed on the indoor unit and their meanings.

13.1.2 circuit or software error on indoor control board

Troubleshooting for circuit or software errors on the indoor control board.

13.2 Diagnostic chart

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