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Midea M2OA-18HRN1 User Manual

Midea M2OA-18HRN1
25 pages
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214
Draft edition
GD Midea Refrigeration Equipment Co.,Ltd
MULTI SPLIT TYPE, HEAT PUMP AIR CONDITIONERS
Technical service manual 2005
R410A Corona multi Series
Indoor Models
MSCI-09HRN1
MSCI-12HRN1
Outdoor Models
M2OA-18HRN1 M2OA-21HRIN1
M3OA-27HRN1 M2OA-30HRIN1
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Midea M2OA-18HRN1 Specifications

General IconGeneral
Cooling Capacity18000 BTU/h
Heating Capacity18000 BTU/h
Power Supply220-240V, 50Hz
RefrigerantR410A
TypeSplit System

Summary

Product Features

Compact Design

Describes the compact physical design of the indoor units.

High Efficiency and Quiet Operation

Highlights product performance in energy efficiency and low noise levels.

Unitary Outdoor Unit Design

Details design aspects of the single outdoor unit configuration.

Technical Specifications

Indoor Unit Specifications

Technical details for indoor units, including capacity, power, dimensions, and performance.

Outdoor Unit Specifications

Technical details for outdoor units, covering capacity, power, compressor, and refrigerant.

Product Dimensions

Indoor Unit Dimensions

Visual representation and measurements for indoor units (9K and 12K models).

Outdoor Unit Dimensions

Visual representation and measurements for outdoor units (18K/21K and 27K/30K models).

Refrigeration Cycle Diagrams

Operating Limits

Cooling Operation Limits

Defines the operating temperature ranges for cooling mode.

Heating Operation Limits

Defines the operating temperature ranges for heating mode.

Wiring Diagrams

Indoor Unit Wiring Diagram

Schematic illustrating electrical connections for the indoor unit.

Outdoor Unit Wiring Diagrams

Schematics showing electrical connections for outdoor units (1-drive-2 and 1-drive-3 systems).

Troubleshooting Guide

Indoor Unit Troubleshooting

Lists indoor unit failure phenomena and corresponding indicator status.

Outdoor Unit Troubleshooting

Lists outdoor unit failure phenomena and corresponding LED indicator status.

Electronic Functions and Controls

Electric Control Working Environment

Specifies voltage, frequency, and ambient temperature requirements for electronic control.

Display Board Indicators

Explains the meaning and function of various indicators on the display board.

Operational Symbols and Meanings

Defines symbols and abbreviations for operational parameters and temperatures.

Systematic Functions Overview

Describes general functions like remote receiving, testing, and alarms.

Protection Mechanisms

Details protection features for compressor, heat exchangers, and fan motors.

Cooling Mode Operations

Explains compressor, fan actions, and anti-freezing control during cooling mode.

Dehumidifying Mode Operations

Describes compressor/fan actions and low room temperature protection in dehumidifying mode.

Heating Mode Operations

Details compressor/fan actions, including anti-cold wind function, during heating mode.

Defrosting Operation Details

Outlines conditions and timing for defrosting operations in heating mode.

Automatic Operation Mode Selection

Explains automatic selection of cooling, fan-only, or heating modes.

Economic Running Function

Describes energy-saving adjustments in different operational modes.

Outdoor Fan Motor Control

Details outdoor fan speed control based on ambient temperature in cooling/heating modes.

Exploded View Parts

Indoor Unit Exploded Views

Illustrated breakdown of parts for indoor units MSCI-09HRN1 and MSCI-12HRN1.

Outdoor Unit Exploded Views

Illustrated breakdown of parts for outdoor units M2OA-18HRN1 and M2OA-21HRN1.

Temperature Sensor Characteristics

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