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Midea MSC-18HRDN1-QC2 User Manual

Midea MSC-18HRDN1-QC2
40 pages
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Corona Plus varmepumper
SERVICEMANUAL
MSC-18HRDN1-QC2
code: 21112007-0
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Midea MSC-18HRDN1-QC2 Specifications

General IconGeneral
BrandMidea
ModelMSC-18HRDN1-QC2
CategoryAir Conditioner
LanguageEnglish

Summary

Precautionary Measures

Safety Precautions

Essential guidelines for preventing personal injury and property damage during operation.

Operational Warnings

Critical warnings covering installation hazards, electrical safety, and operational risks.

Functional Overview

Indoor Unit Functions

Details the operational capabilities and features of the indoor unit.

Outdoor Unit Functions

Details the operational capabilities and features of the outdoor unit.

Dimensional Information

Indoor Unit Dimensions

Provides detailed measurements and diagrams for the indoor unit.

Outdoor Unit Dimensions

Provides detailed measurements and diagrams for the outdoor unit.

Technical Specifications

Refrigerant Cycle Diagram

Wiring Diagrams

Indoor Unit Wiring

Illustrates the electrical connections and wiring schematic for the indoor unit.

Outdoor Unit Wiring

Illustrates the electrical connections and wiring schematic for the outdoor unit.

Installation Procedures

Wrench Torque Specifications

Specifies torque values for connecting installation fittings to prevent leaks and damage.

Air Purging Process

Details the critical process for removing air from the refrigerant lines.

Pumping Down for Re-installation

Procedure for safely recovering refrigerant before unit removal or maintenance.

Re-air Purging Steps

Steps for re-introducing refrigerant after installation or repair, ensuring system integrity.

Balancing Refrigerant

Method for adjusting refrigerant levels for optimal system performance.

Evacuation Procedure

Process of removing air and moisture from the refrigeration system using a vacuum pump.

Gas Charging Instructions

Instructions for correctly charging the system with the specified amount of refrigerant.

Operation Characteristics

MSC-18HRDN1-QC2 Performance Data

Graphs detailing cooling and heating performance curves for the MSC-18HRDN1-QC2 model.

MSH-18HRDN1-QC2 Performance Data

Graphs detailing cooling and heating performance curves for the MSH-18HRDN1-QC2 model.

Electronic Functions

Display Functionality

Explanation of the indoor unit's display indicators and symbols.

Protection Features

Details the various safety and protection mechanisms built into the unit.

Cooling Mode Operation

Describes the operational parameters, logic, and protections for cooling mode.

Heating Mode Operation

Describes the operational parameters, logic, and protections for heating mode.

Auto Mode Functionality

Explains how the unit automatically selects cooling, heating, or fan-only modes.

4-Way Valve Operation

Details the function and timing of the 4-way valve in different operating modes.

Timer Functionality

Instructions for setting and using the unit's timer functions.

Auto-Restart Functionality

Explains the unit's ability to resume previous settings after a power interruption.

Outdoor Chassis Heating Cable

Information on the optional heating cable for de-icing and freezing prevention.

Troubleshooting Guide

Troubleshooting Safety Precautions

Critical safety advice for technicians before and during troubleshooting.

Indoor Unit Error Displays

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

Diagnosis and Solution Steps

Step-by-step guides for diagnosing and resolving common unit errors.

Key Parts Resistance Checking

Procedures for measuring resistance values of critical components like motors and compressor.

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