Daikin FT-J series User Manual

TECHNICAL MANUAL
Split Unit Air Conditioner
Wall Mounted J & F Series
FT-J, FT-F, FTY-J, FTY-F series
— Cooling only & Heatpump [50Hz] —
R22
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Daikin FT-J series Specifications

General

Brand	Daikin
Model	FT-J series
Category	Air Conditioner
Language	English

Summary

Application Information

Operating Range

Installation Guideline

Provides instructions and diagrams for unit installation.

Refrigerant Piping Guidelines

Engineering & Physical Data

Cooling Only Model Specifications

Heatpump Model Specifications

Performance Data

Calculation Steps for Performance

Explains how to calculate performance data using interpolation.

Cooling Performance Tables

Provides cooling capacity, SC, and PI data for various conditions.

Heating Performance Tables

Offers heating capacity, COP, and PI data for various conditions.

Wiring Diagram

Cooling Only Wiring Schematics

Illustrates wiring for cooling-only indoor and outdoor units.

Heatpump Wiring Schematics

Shows wiring for heatpump indoor and outdoor units.

Service & Maintenance

Indoor Unit Maintenance Procedures

Troubleshooting

Indicator Lights and IR Signals

Explains IR signals and LED indicators for normal/fault conditions.

Phase Sequencer Diagnostics

Common Fault Conditions and Solutions

Lists common faults and their possible causes/corrections.

Pressure-Based Diagnostic Guidelines