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Mitsubishi Heavy Industries SRK52CF-BN User Manual

Mitsubishi Heavy Industries SRK52CF-BN
55 pages
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3
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WALL MOUNTED TYPE
ROOM AIR-CONDITIONER
TECHNICAL MANUAL
Collection data
Manual No. ’06
.
SRK-T
.
062
(Split system, air cooled cooling only type)
SRK52CF-BN, 71CF-BN
SRK52CF-BP, 71CF-BP
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Mitsubishi Heavy Industries SRK52CF-BN Specifications

General IconGeneral
BrandMitsubishi Heavy Industries
ModelSRK52CF-BN
CategoryAir Conditioner
LanguageEnglish

Summary

GENERAL INFORMATION

Specific features

Details unit components, flap/louver control, and self-diagnosis function for operation abnormalities.

How to read the model name

Explains the naming convention used for the SRK series air conditioners, breaking down the model code.

SELECTION DATA

Specifications

Lists detailed technical specifications for SRK52CF-BN and SRC52CF-BN indoor/outdoor units.

Range of usage & limitations

Defines the operational limits for indoor and outdoor air temperatures and refrigerant line length.

Exterior dimensions

Provides dimensional drawings and measurements for the indoor unit, including mounting space.

Piping system

Illustrates the refrigerant piping diagrams for different SRK models, showing component connections.

Selection chart

Shows charts for correcting cooling capacity based on temperature and refrigerant piping length.

ELECTRICAL DATA

Electrical wiring

Presents the electrical wiring diagram for the SRK52-CF-BN model, detailing connections.

OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

Operation control function by remote control switch

Explains the operation and indication sections of the wireless remote control for unit functions.

Unit ON/OFF button

Describes how to operate the unit directly using the ON/OFF button on the indoor unit.

Power blackout auto restart function

Explains the function that automatically resumes operation after a power interruption.

Custom cord switching procedure

Details how to modify indoor unit and remote control for dual installations to prevent signal interference.

Flap and louver control

Explains how to control flap and louver movement, including swing and memory functions.

Comfortable timer setting

Describes the comfortable timer function and its temperature-based adjustments to starting time.

Sleep timer operation

Explains the sleep timer function and its temperature control adjustment over time.

Outline of cooling operation

Details the operation of key functional components during cooling mode.

Outline of dehumidifying operation

Explains the operation blocks and steps for dehumidifying mode based on temperature difference.

Outline of automatic operation

Describes how the unit automatically determines the operation mode based on air temperatures.

Set temperature selection

Explains how to adjust set temperature and modify the range via PCB jumper.

Outline of fan operation

Details fan speed settings for different operation modes and fan control logic.

Regulation of outdoor air flow

Explains how outdoor fan speed changes based on outdoor air temperature for cooling and thermal dry.

Stop mode

Details component behavior during complete stop and thermostat-stop operations.

External control (remote display)/control of input signal

Explains external control outputs and input signal controls for integrated systems.

Operation permission/prohibition control

Describes how to control operation via jumper wire and external input signals for permission/prohibition.

Protective control function

Details frost prevention for the indoor heat exchanger, including operating conditions and reset.

List of indoor unit jumper selections

Provides a table of indoor unit jumper settings, their functions, and default configurations.

APPLICATION DATA

SAFETY PRECAUTIONS

Lists essential safety warnings and cautions for installation, covering electrical and refrigerant hazards.

Selection of location for installation

Guides on choosing suitable indoor and outdoor unit locations, avoiding adverse conditions.

Installation of indoor unit

Details the installation of the indoor unit, including mounting board fixing and drilling procedures.

Installation of outdoor unit

Provides instructions for stable installation and wiring of the outdoor unit, ensuring secure fixing.

Refrigerant piping

Details the preparation, connection, and torquing of refrigerant piping between units.

Test run

Outlines the procedure for conducting a trial run, checking for leaks, and explaining usage to the customer.

Precautions for wireless remote control installation and operation

Lists precautions for wireless remote control installation and operation distances and environmental factors.

Installation of wired remote control and super link adapter (SC-AD-ER) (Optional parts)

Details modifying the indoor unit's circuit board for wired remote control installation.

SUPER LINK ADAPTER (SC-AD-ER)

Explains the functions and wiring connection diagram of the Super Link Adapter for multi-unit control.

MAINTENANCE DATA

Troubleshooting procedures for electrical equipment

Provides cautions, initial checks, and troubleshooting steps for electrical equipment issues.

Servicing

Explains the evacuation procedure for purging impurities, and refrigerant charging process.

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