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Mitsubishi Heavy Industries SRC35ZFX-S User Manual

Mitsubishi Heavy Industries SRC35ZFX-S
75 pages
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3
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INVERTER WALL MOUNTED TYPE
ROOM AIR-CONDITIONER
( Split system, air to air heat pump type )
SRK20ZFX-S, 25ZFX-S, 35ZFX-S, 50ZFX-S
TECHNICAL MANUAL
Collection data
Manual No. ’06
.
SRK-T
.
051
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Mitsubishi Heavy Industries SRC35ZFX-S Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Power Supply220-240 V, 50 Hz
Indoor Unit Dimensions (W x H x D)845 x 270 x 228 mm
Outdoor Unit Dimensions (W x H x D)780 x 540 x 290 mm
RefrigerantR32
TypeSplit System
Energy Efficiency Rating (Cooling)A++
Operating Temperature (Heating)-15 to +24 °C
Noise Level (Indoor Unit)21 dB (Low)
Noise Level (Outdoor Unit)49 dB(A)

Summary

Product Specifications and Electrical Data

Detailed Specifications by Model

Lists technical specifications for SRK20ZFX-S (Indoor) and SRC20ZFX-S (Outdoor).

Refrigerant System and Selection Charts

Capacity Selection Chart and Corrections

Provides charts for correcting capacity based on temperatures and piping length.

Microcomputer Operation Control

Remote Control Operation

Explains remote control buttons, indicators, and their functions.

Heating and Cooling Operation Modes

Heating Operation Details

Explains component operation, airflow, and specific modes in heating operation.

Heating Operation Details (Continued)

Details hot keep and high power operations during heating.

Cooling Operation Details

Describes component operations and airflow selection in cooling mode.

Protective Control Functions

Frost Prevention and Fan Motor Protection

Details frost prevention for indoor heat exchanger and indoor fan motor protection.

Overload and Low Load Protection

Covers heating/cooling overload, low load, and compressor overheat protection.

Freezing Cycle and Signal Error Protection

Details freezing cycle protection, serial signal error protection, and compressor overheat.

High Pressure and Low Temperature Protection

Covers high pressure control and heating low outdoor temperature protection.

Low Outdoor Temperature Protection (Cooling)

Details cooling low outdoor temperature protective control for various conditions.

Low Outdoor Temperature Protection (Cooling, Continued)

Details cooling low outdoor temperature protective control for various conditions.

Application Data and Safety

General Safety Precautions

Provides critical safety warnings and precautions for installation and operation.

Maintenance and Troubleshooting

Electrical Equipment Troubleshooting

Provides step-by-step troubleshooting procedures for electrical equipment issues.

Self-Diagnosis Table and Procedures

Lists error codes, causes, and display conditions for self-diagnosis.

Service Mode Access and Data Interpretation

Explains how to access service mode and interpret recorded error/stop data.

Self-Diagnosis Data Interpretation

Details how to interpret self-diagnosis data using remote control settings.

Troubleshooting Specific Faults

Sensor Error and Current Cut Troubleshooting

Provides inspection procedures for sensor errors and current cut faults.

Overheat and Signal Transmission Error

Details troubleshooting for compressor overheat and signal transmission errors.

Outdoor Unit and Fan Motor Errors

Provides troubleshooting steps for outdoor unit problems and fan motor errors.

Rotor Lock and Sensor Breakage

Details troubleshooting for rotor lock and sensor wire breakage issues.

Servicing Procedures

Refrigerant Recharging and Recovery

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