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Daikin FTK Series User Manual

Daikin FTK Series
119 pages
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Servic e
Manual
DAMA-SM-21-001
Service Manual / Inverter Split Wall Mounted Type FTK(X) Series DAMA-SM-21-001
Inverter Split
Wall Mounted Type FTK(X) Series
[Applied Models]
z
Inverter Split : Cooling Unit
Heat Pump Unit

Table of Contents

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Daikin FTK Series Specifications

General IconGeneral
RefrigerantR32
SeriesFTK
Cooling Capacity2.5 kW - 7.1 kW
Heating Capacity2.5 kW - 8.0 kW
Power Supply220-240 V, 50 Hz
Noise Level (Indoor Unit)19 dB(A) - 45 dB(A)

Summary

Introduction

Safety Cautions

Critical safety warnings and precautions for technicians and users during operation and repair.

Icons Used

Explains the meaning of various icons used throughout the manual for clarity.

Revision History

Details the versions and modifications made to the service manual.

General Information

Applicable Models

Lists the specific Daikin FTK(X) series models covered by this manual.

Specifications

Specification Data

Provides detailed technical specifications for indoor and outdoor units, including performance and dimensions.

Functions

Lists and briefly describes the operational functions available for the various models.

Functions and Control

Main Functions

Details core functions like temperature control, frequency control, and airflow management.

Thermistor Functions

Explains the role of different thermistors in system monitoring and control operations.

Control Specification

Outlines control logic, mode hierarchy, protection functions, and operational parameters.

Service Diagnosis

General Problem Symptoms and Check Items

Quick reference for common operational issues and initial diagnostic checks.

Troubleshooting with LED

Guides users to diagnose faults using LED indicators on the indoor and outdoor units.

Error Diagnosis

Instructions for accessing and interpreting error codes displayed on the remote controller.

Troubleshooting

Comprehensive fault-finding procedures for various error codes and system malfunctions.

Actuator Check

Step-by-step checks for actuators like thermistors, valves, and motors to diagnose faults.

Trial Operation and Field Settings

Pump Down Operation

Procedure for safely recovering refrigerant before unit relocation or disposal.

Forced Cooling Operation

Method for manually initiating cooling operation for maintenance or specific tests.

Silicone Grease on Power Transistor/Diode Bridge

Guidance on proper application of silicone grease for heat dissipation on PCBs.

Appendix

Piping Diagrams

Visual representation of refrigerant circuit layouts for various indoor and outdoor units.

Wiring Diagrams

Electrical schematics illustrating connections for indoor and outdoor units and their components.

Operation Limit

Graphical representation of the operational temperature and humidity limits for the air conditioner.

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