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Midea MSH-18HRIN1 - User Manual

Midea MSH-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 MSH-18HRIN1 Specifications

General IconGeneral
Power Supply220-240V, 50Hz
RefrigerantR410A
Weight (Outdoor Unit)35 kg
Capacity1.5 Ton
TypeSplit

Summary

Precaution and Safety Instructions

1.1 Safety Precaution

Essential safety instructions for users and property to prevent injury and damage during operation.

1.2 Warning

Critical warnings regarding installation, operation, and electrical safety to prevent hazards.

Functionality Overview

Indoor Unit Operation Modes and Controls

Details ON/OFF, remote control, auto, manual, timer, sleep, auto-restart, and turbo functions.

Temperature Sensing and Management

Covers room temperature sensing, control, anti-freezing, and compensation features.

Airflow, Direction, and Dehumidification Functions

Explains fan speed, air vane direction, and independent dehumidification modes.

Specialized Modes and Optional Features

Covers anti-cold, auto defrost, plasma, voltage, efficiency, and wiring.

Outdoor Unit Performance Features

Highlights power relay control, low noise system, hydrophilic fins, and protection.

Outdoor Unit Construction and Valve Control

Details anti-rust cabinet, valve protection, and 4-way valve operation.

Unit Dimensions

3.1 Indoor unit (Alfa) Dimensions

Physical dimensions (W, H, D) for the Alfa series indoor unit.

3.2 Outdoor unit (Alfa) Dimensions

Physical dimensions (W, H, D) for the Alfa series outdoor unit.

3.3 Indoor unit (Corona) Dimensions

Physical dimensions (W, H, D) for the Corona series indoor unit.

3.4 Outdoor unit (Corona) Dimensions

Physical dimensions (W, H, D, L1, L2, L3) for the Corona series outdoor unit.

3.5 Indoor unit (Inverter Eco) Dimensions

Physical dimensions (W, H, D) for the Inverter Eco indoor unit.

3.6 Outdoor unit (Inverter Eco) Dimensions

Physical dimensions (W, H, D) for the Inverter Eco outdoor unit.

3.7 Indoor unit (Inverter Star) Dimensions

Physical dimensions (W, H, D) for the Inverter Star indoor unit.

3.8 Outdoor unit (Inverter Star) Dimensions

Physical dimensions (W, H, D) for the Inverter Star outdoor unit.

Technical Specifications

Specifications for Alfa and Corona Models

Detailed technical specifications for Alfa and Corona series air conditioner models.

Specifications for Inverter Eco Models

Technical specifications for the Inverter Eco series air conditioner models.

Specifications for Inverter Star Models

Technical specifications for the Inverter Star series air conditioner models.

Refrigerant Cycle Diagram

Operation Limits

6.1 Cooling Operation Limits

Defines the valid indoor and outdoor temperature ranges for cooling mode.

6.2 Heating Operation Limits

Defines the valid indoor and outdoor temperature ranges for heating mode.

Schematic and Wiring Diagrams

7.1 Schematic Diagrams

Circuit diagrams for indoor and outdoor PCBs and display boards.

7.2 Wiring Diagrams

Illustrations showing electrical connections between indoor and outdoor units.

Installation Details

8.1 Wrench Torque Sheet

Recommended torque values for various pipe connections during installation.

8.2 Cable Connection Specifications

Guidelines for selecting the correct power cord gauge based on unit capacity.

8.3 Pipe Length and Elevation Guidelines

Maximum allowed pipe lengths and elevation differences for reliable operation.

8.4 Air Purging Procedure

Step-by-step guide for removing air from the refrigerant piping system.

8.5 Pumping Down for Re-installation

Procedure to safely recover refrigerant when moving or reinstalling the unit.

8.6 Re-air Purging (Re-installation)

Steps for purging air from the system after a re-installation process.

8.7 Balancing Refrigerant with Valves

Procedure to balance refrigerant levels using the 2-way and 3-way valves.

8.8 Evacuation Procedure

Method for creating a vacuum in the refrigerant circuit to remove moisture and air.

8.9 Gas Charging Process

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

Pressure Table

Capacity Tables

10.1 Capacity Table for MSH-18 HRIN1

Cooling and heating capacity data for the MSH-18HRIN1 model.

10.2 Capacity Table for MSC-18 HRIN1

Cooling and heating capacity data for the MSC-18HRIN1 model.

10.3 Capacity Table for MSG-09 HRI

Cooling and heating capacity data for the MSG-09HRI model.

10.4 Capacity Table for MSG-12 HRI

Cooling and heating capacity data for the MSG-12HRI model.

10.5 Capacity Table for MSG-21 HRI

Cooling and heating capacity data for the MSG-21HRI model.

10.6 Capacity Table for MSG-24 HRI

Cooling and heating capacity data for the MSG-24HRI model.

Electronic Functionality

11.1-11.2 Display Indicators and Protection

Explains display indicators like AUTO, TIMER, and protection features such as voltage and temperature limits.

11.3-11.6 Basic Operation Modes

Covers fan-only, cooling, dehumidifying, and heating modes with their specific operations.

11.7-11.8 Specialized Operations and Protection

Details defrosting operation, outdoor low temperature protection, and their conditions.

11.9-11.15 Advanced Functions and Controls

Includes auto mode, manual switch, timers, sleep, auto-restart, turbo, and plasma features.

Model and Parameters

Troubleshooting Guide

13.1 Indoor Unit Error Displays

Lists error codes for indoor units and explains their meanings.

13.2 Diagnostic Chart and Resetting Phenomenon

Provides a flowchart for diagnosis and addresses resetting phenomena during operation.

13.3-13.8 Operation Lamp and System Errors

Covers various lamp flashing combinations and operational errors for troubleshooting.

Characteristic of Temperature Sensor

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