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Midea MSG-12HRIN2

Midea MSG-12HRIN2
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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 MSG-12HRIN2 Specifications

General IconGeneral
BrandMidea
ModelMSG-12HRIN2
CategoryAir Conditioner
LanguageEnglish

Summary

Precaution

Safety Precaution

Instructions to prevent injury and property damage.

Warning

Warnings related to installation and operation of the appliance.

Function

Dimension

Indoor unit (Alfa)

Dimensions for Alfa model indoor units.

Outdoor unit (Alfa)

Dimensions for Alfa model outdoor units.

Indoor unit (Corona)

Dimensions for Corona model indoor units.

Outdoor unit (Corona)

Dimensions for Corona model outdoor units.

Indoor unit(Inverter Eco)

Dimensions for Inverter Eco indoor units.

Outdoor unit(Inverter Eco)

Dimensions for Inverter Eco outdoor units.

Indoor unit(Inverter Star)

Dimensions for Inverter Star indoor units.

Outdoor unit(Inverter Star)

Dimensions for Inverter Star outdoor units.

Specification

Refrigerant cycle diagram

Operation limits

Cooling operation

Operating limits for cooling mode based on temperature.

Heating operation

Operating limits for heating mode based on temperature.

Schematic diagram and Wiring diagram

Schematic diagram

Electrical diagrams for unit components.

Wiring diagram

Electrical connection diagrams for unit models.

Outdoor main PCB

Circuit diagram for outdoor main PCB.

Outdoor power PCB

Circuit diagram for outdoor power PCB.

Indoor main PCB (Inverter Eco)

Circuit diagram for Inverter Eco indoor main PCB.

Outdoor main PCB (Inverter Eco)

Circuit diagram for Inverter Eco outdoor main PCB.

Wiring Diagram for MSH-18 HRDN1

Wiring diagram for MSH-18HRDN1 model.

Wiring Diagram for MSC-18 HRIN1

Wiring diagram for MSC-18HRIN1 model.

Wiring Diagrams for MSE Series Indoor Units

Wiring diagrams for MSE series indoor units.

Wiring Diagrams for MSG Series Indoor Units

Wiring diagrams for MSG series indoor units.

Installation details

Wrench torque sheet for installation

Torque specifications for installation fittings.

Connecting the cables

Cable gauge selection for power connection.

Pipe length and the elevation

Guidelines for refrigerant pipe length and elevation.

Air purging of the piping and indoor unit

Procedure for removing air from the refrigeration system.

Pumping down (Re-installation)

Procedure for recovering refrigerant during re-installation.

Re-air purging (Re-installation)

Procedure for purging air after re-installation.

Balance refrigerant of the 2-way, 3-way valves

Procedure for balancing refrigerant charge.

Evacuation

Procedure for removing air and moisture from the system.

Gas charging

Procedure for adding refrigerant to the system.

Pressure table

MSH-18 HRIN1

Pressure data for MSH-18HRIN1 model.

MSC-18 HRIN1

Pressure data for MSC-18HRIN1 model.

Capacity table

MSH-18 HRIN1

Capacity data for MSH-18HRIN1 model.

MSC-18 HRIN1

Capacity data for MSC-18HRIN1 model.

MSG-09 HRI

Capacity data for MSG-09HRI model.

MSG-12 HRI

Capacity data for MSG-12HRI model.

MSG-21 HRI

Capacity data for MSG-21HRI model.

MSG-24 HRI

Capacity data for MSG-24HRI model.

Electronic function

Display board

Explanation of the unit's display indicators.

Protection

Information on various protection mechanisms for the unit.

Fan-only mode

Details on operating the unit in fan-only mode.

Cooling mode

Operational details for cooling mode.

Dehumidifying mode

Details on dehumidifying operation.

Heating mode

Operational details for heating mode.

Defrosting operation (Available for heating only)

Explanation of defrosting operation in heating mode.

Outdoor low temperature protection (optional)

Protection function for low outdoor temperatures.

Automatic operation mode

How the unit automatically selects operation modes.

Manual switch

How to change modes using manual controls.

Timer Function

Explanation of timer functions for operation control.

Sleep mode

Details on the sleep mode operation.

Auto restart function

Functionality after power interruption.

Turbo function

Details on the turbo function for high-speed operation.

Plasma

Information on the optional plasma function.

Model and Parameters

Troubleshooting

Indoor Unit Error Display

Displays and meanings of indoor unit error codes.

Diagnostic chart

Flowchart for diagnosing operational issues.

Resetting phenomenon often occurs during operation

Troubleshooting unexpected unit resets during operation.

Operation lamp flashes and Timer lamp off

Troubleshooting guide for specific indicator light patterns.

Operation lamp flashes and Timer lamp on

Troubleshooting guide for specific indicator light patterns.

Operation lamp off and Timer lamp flashes

Troubleshooting guide for specific indicator light patterns.

Operation lamp on and Timer lamp flashes

Troubleshooting guide for specific indicator light patterns.

Operation lamp flashes, Timer lamp flashes

Troubleshooting guide for specific indicator light patterns.

Characteristic of temperature sensor

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