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Mitsubishi Heavy Industries SRC25ZJX-SA User Manual

Mitsubishi Heavy Industries SRC25ZJX-SA
102 pages
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TECHNICAL MANUAL
Manual No.'10•SRK-T-098
INVERTER WALL MOUNTED TYPE
RESIDENTIAL AIR-CONDITIONERS
(Split system, air to air heat pump type)
Indoor unit / Outdoor unit
SRK25ZJ-S / SRC25ZJ-SA
SRK35ZJ-S / SRC35ZJ-SA
SRK20ZJX-S / SRC20ZJX-SA
SRK25ZJX-S / SRC25ZJX-SA
SRK35ZJX-S / SRC35ZJX-SA

Table of Contents

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Mitsubishi Heavy Industries SRC25ZJX-SA Specifications

General IconGeneral
BrandMitsubishi Heavy Industries
ModelSRC25ZJX-SA
CategoryAir Conditioner
LanguageEnglish

Summary

Product Specifications

SRK25ZJ-S / SRC25ZJ-SA Specs

Technical specs for SRK25ZJ-S indoor and SRC25ZJ-SA outdoor units.

SRK35ZJ-S / SRC35ZJ-SA Specs

Technical specs for SRK35ZJ-S indoor and SRC35ZJ-SA outdoor units.

SRK20ZJX-S / SRC20ZJX-SA Specs

Technical specs for SRK20ZJX-S indoor and SRC20ZJX-SA outdoor units.

SRK25ZJX-S / SRC25ZJX-SA Specs

Technical specs for SRK25ZJX-S indoor and SRC25ZJX-SA outdoor units.

SRK35ZJX-S / SRC35ZJX-SA Specs

Technical specs for SRK35ZJX-S indoor and SRC35ZJX-SA outdoor units.

Exterior Dimensions

Indoor Unit Dimensions

Dimensional drawings and measurements for various indoor units.

Outdoor Unit Dimensions

Dimensional drawings and measurements for various outdoor units.

Remote Controller Dimensions

Dimensions for both wireless and wired remote controllers.

Electrical Wiring and Piping Diagrams

Indoor Unit Electrical Wiring

Electrical schematic for indoor units, showing component connections.

Outdoor Unit Electrical Wiring

Electrical schematic for outdoor units, showing power source and component connections.

Refrigerant Piping System Diagrams

Illustrates the refrigerant flow and components for cooling and heating cycles.

Drain Piping Work

Instructions for drain piping, including grommets and elbow usage.

Noise Level and Capacity Data

Noise Level Specifications

Noise level graphs for various indoor and outdoor units.

Capacity Tables

Tables showing cooling and heating capacity based on temperatures and airflow.

Operating Range and Usage Guidelines

Operating Limitations

Details operational limits for temperature, piping length, voltage, and ON/OFF cycles.

Selection Chart for Capacity Correction

Provides correction factors to adjust cooling and heating capacity based on temperatures.

Application Data and Installation Procedures

Indoor Unit Installation

Safety precautions, installation space, tools, and step-by-step procedures for indoor unit setup.

Outdoor Unit Installation

Safety precautions, installation location, and steps for installing the outdoor unit.

Refrigerant Piping Work Procedures

Details restrictions, pipe sizing, wall thickness, and on-site piping work, including flaring.

Electrical Wiring Work Procedures

Details electrical wiring requirements, cable types, grounding, and circuit breakers.

Operation Control and Features

Remote Controller Operation (SRK25, 35ZJ-S)

Explains the functions and buttons of the remote controller for SRK25/35ZJ-S models.

Remote Controller Operation (SRK20~35ZJX-S)

Explains the functions and buttons of the remote controller for SRK20-35ZJX-S models.

Unit ON/OFF and Auto Restart

Details the use of the unit's ON/OFF button and the auto restart function.

Custom Cord Switching Procedure

Instructions for modifying circuit boards to prevent signal conflicts with multiple remotes.

Flap and Louver Control

How to adjust flap and louver direction and swing using the remote controller.

3D Auto Operation

Explanation of the 3D auto operation mode for optimized airflow and conditioning.

Timer Operations

Details on setting ON timer, SLEEP timer, and OFF timer functions.

Installation Location Setting

How to set the indoor unit's installation location for optimal airflow direction.

Heating Operation Overview

Explains major components and control details during heating operation.

Cooling Operation Overview

Explains major components and control details during cooling operation.

Automatic Operation Mode Determination

How the unit determines operation mode based on temperatures.

Protective Control Functions

Sensor and Pressure Protections

Protective measures related to sensors, cooling high pressure, and heating high pressure.

Operational and System Protections

Protection against overload, low temperatures, compressor issues, and system errors.

Fan Motor and Cycle Protections

Protection for fan motors, refrigeration cycle, and defrost heater control.

Optional Parts Installation

Wired Remote Controller Installation

Instructions for installing the wired remote controller, including wiring and settings.

Interface Kit Installation (SC-BIKN-E)

Details on connecting and installing the SC-BIKN-E interface kit.

Super Link E Board Installation (SC-ADNA-E)

Instructions for applying and controlling the Super Link E board.

Maintenance Data and Troubleshooting

General Cautions and Pre-Checks

Important safety notes and initial checks before troubleshooting maintenance tasks.

Troubleshooting: Unit Not Running

Step-by-step guide for diagnosing issues when the unit does not operate at all.

Troubleshooting: Unit Running Issues

Diagnostic flow chart for troubleshooting when the air conditioner is running but malfunctioning.

Self-Diagnosis and Error Codes

Table correlating display/flashing conditions with causes and error codes for self-diagnosis.

Service Mode Procedures

Explains how to enter service mode and interpret service/stop data for diagnostics.

Inspection Procedures for Common Troubles

Guides through checking sensor errors, fan motor errors, current cut, and safe stop issues.

Troubleshooting Outdoor Unit Issues

Procedures for diagnosing problems related to the outdoor unit, fan motor, and compressor.

Troubleshooting Sensor Failures

Describes phenomena observed due to short circuits or wire breakages in sensors.

Indoor Electrical Equipment Checks

Procedures for checking the indoor PCB and fan motor resistance.

Wireless Remote Controller Troubleshooting

Guides on how to check if the wireless remote controller is functioning correctly.

Outdoor Unit Inspection Points

Highlights key inspection points on the outdoor unit and relevant checks.

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