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Midea MSG-21HRN2 User Manual

Midea MSG-21HRN2
50 pages
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MSG-07CRN2; MSG-07HRN2
MSG-09CRN2; MSG-09HRN2
MSG-12CRN2; MSG-12HRN2
MSG-16CRN2; MSG-16HRN2
MSG-18CRN2; MSG-18HRN2
MSG-21CRN2; MSG-21HRN2
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Midea MSG-21HRN2 Specifications

General IconGeneral
Cooling Capacity21000 BTU/h
Power Supply220-240V, 50Hz
RefrigerantR410A
Power Consumption (Cooling)2000 W
Air Flow (High)850 m³/h
TypeSplit System
Heating Capacity22000 BTU/h
Operating Temperature (Cooling)18°C to 43°C
Noise Level (Indoor)45 dB

Summary

Precautionary Measures

Safety Precautions

Instructions to prevent injury to users and property damage during operation and installation.

Operational Warnings

Critical warnings regarding installation, handling, and operational safety.

Unit Functions Overview

Dimensional Specifications

Indoor Unit Dimensions

Provides width, height, and depth measurements for the indoor unit models.

Outdoor Unit Dimensions

Details the width, height, depth, and other dimensions for outdoor units.

Technical Specifications

Refrigerant Cycle Diagrams

Operation Limits

Cooling Operation Limits

Defines the operating temperature ranges for efficient cooling.

Heating Operation Limits

Defines the operating temperature ranges for efficient heating.

Diagrams and Wiring

Schematic Diagram

Illustrates the electrical circuit layout of the air conditioner.

Cooling Mode Wiring Diagram

Shows the wiring connections for cooling operational modes.

Heating Mode Wiring Diagram

Illustrates the wiring connections specific to heating operational modes.

Installation Procedures

Wrench Torque for Installation

Specifies torque values for fasteners during installation.

Air Purging of Piping

Procedure for removing air from the refrigerant piping system.

Pumping Down (Re-installation)

Process for safely recovering refrigerant during unit re-installation.

Evacuation Process

Steps to create a vacuum in the refrigerant system for moisture removal.

Gas Charging Procedure

Instructions for adding the correct amount of refrigerant to the system.

Capacity Tables

MSG-07CRN2 Capacity Data

Cooling and heating capacity ratings for the MSG-07CRN2 model.

MSG-09CRN2 Capacity Data

Cooling and heating capacity ratings for the MSG-09CRN2 model.

MSG-12CRN2 Capacity Data

Cooling and heating capacity ratings for the MSG-12CRN2 model.

Electronic Control Functions

Control Working Environment

Specifies the voltage, frequency, and temperature for electronic controls.

Protection Mechanisms

Details safety features like compressor protection and sensor faults.

Heating Mode Functions

Explains functions specific to heating operation, including fan and protection.

Sleep Mode Operations

Describes the automatic adjustments for sleep mode in cooling, heating, and auto.

Model and Parameter Reference

Troubleshooting Guide

Display Board Indicators

Explanation of status lights on the display board.

Diagnostic Chart

Flowchart to diagnose operational issues starting from power-on.

Lamp Flashing Troubleshooting

Guides for diagnosing issues based on operation and timer lamp patterns.

Temperature Sensor Characteristics

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