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Mitsubishi Heavy Industries SRK20HD-S User Manual

Mitsubishi Heavy Industries SRK20HD-S
41 pages
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3
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WALL MOUNTED TYPE
ROOM AIR-CONDITIONER
(Split system, air to air heat pump type)
SRK20HD-S, SRK28HD-S, SRK40HD-S
(Split system, air cooled cooling only type)
SRK20CD-S, SRK28CD-S, SRK40CD-S
TECHNICAL MANUAL
Collection data
Manual No. ’04
.
SRK-T
.
040
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Mitsubishi Heavy Industries SRK20HD-S Specifications

General IconGeneral
BrandMitsubishi Heavy Industries
ModelSRK20HD-S
CategoryAir Conditioner
LanguageEnglish

Summary

General Information

Specific Features of Air Conditioners

Details flap control, automatic operation modes, and self-diagnosis functions.

Understanding Model Name Conventions

Explains how to interpret the model name for different series and types.

Selection Data and Specifications

Technical Specifications

Lists detailed specifications including capacity, power, dimensions, and refrigerant.

Operating Range and Limitations

Specifies operating limits for temperature, piping length, and voltage for all models.

Exterior Dimensions of Units

Displays detailed dimensions for indoor and outdoor units in millimeters.

Refrigerant Piping System Diagrams

Illustrates the refrigerant piping system diagrams for HD and CD series models.

Capacity Selection Chart and Corrections

Details how to correct cooling/heating capacity based on temperature and piping length.

Electrical Data

Electrical Wiring Diagrams

Presents the electrical wiring diagram for the indoor and outdoor units.

Operation Control by Microcomputer

Remote Control Operation Functions

Explains functions of remote control buttons and indicators for operation modes.

Back-up Switch Operation

Describes the operation and use of the back-up switch for unit control.

Power Outage Auto Restart Feature

Details the auto restart function that resumes operation after a power cut.

Flap Airflow Control Modes

Details the flap control functions including air scroll, memory, and swing modes.

Comfortable Timer Setting Adjustments

Explains the comfortable timer setting and how it corrects the next operation start time.

Heating Operation Outline

Explains major functional components and fan speed switching during heating operation.

Cooling Operation Outline

Explains major functional components and fan speed switching during cooling operation.

Dehumidifying Operation Details

Details the operation blocks and procedures for dehumidifying mode.

Automatic Operation Mode

Explains how the unit determines the operation mode and adjusts settings automatically.

Fan Operation for Cooling Only Types

Details fan operation and high power mode for cooling-only type units.

Application Data and Installation

General Installation Safety Precautions

Provides essential safety precautions and warnings for installation and handling.

Selecting Installation Location

Guides on selecting appropriate locations for indoor and outdoor unit installation.

Piping Length and Height Difference Limitations

Specifies maximum piping length and vertical height difference between units.

Indoor Unit Installation Procedure

Provides detailed steps for installing the indoor unit, including mounting board and drilling.

Outdoor Unit Installation Procedure

Details the procedures for installing the outdoor unit, including securing and wiring.

Refrigerant Piping Connection

Covers preparation and connection of refrigerant piping for indoor and outdoor units.

Post-Installation Test Run Procedures

Outlines the steps for performing a test run and standard operation data.

Wireless Remote Controller Usage

Provides precautions for installing and operating the wireless remote controller.

Maintenance Data and Troubleshooting

General Troubleshooting Guide

Offers general troubleshooting steps for common issues before replacing electronic components.

Unit Servicing Procedures

Details the procedures for unit evacuation and refrigerant charging.

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