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Daikin FTXG-J User Manual

Daikin FTXG-J
149 pages
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Service
Manual
[Applied Models]
z Inverter Pair : Heat Pump
Inverter Pair
Wall Mounted Type J-Series
SiBE041012_B

Table of Contents

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Daikin FTXG-J Specifications

General IconGeneral
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
Energy Efficiency Rating (Cooling)A+++
Energy Efficiency Rating (Heating)A++
Noise Level (Indoor)19 dB(A)
Power Supply220-240V / 50Hz
Outdoor Unit Dimensions (HxWxD)550 x 765 x 285 mm

Summary

Part 1 List of Functions

1. Functions

Lists all functions available for the indoor and outdoor units.

Part 2 Specifications

1. Specifications

Details technical specifications for indoor and outdoor units, including capacity, power, dimensions, etc.

Part 3 Printed Circuit Board Connector Wiring Diagram

1. Indoor Unit

Shows connector locations and functions on the indoor unit's control PCB.

2. Outdoor Unit

Details connector locations on the outdoor unit's main PCB for 25/35 class models.

Part 4 Function and Control

1. Main Functions

Describes primary functions like temperature control, frequency principle, and operation modes.

2. Function of Thermistor

Explains the role and function of various thermistors in the system's operation.

3. Control Specification

Details control specifications, including mode hierarchy and specific control strategies.

Part 5 Remote Controller

1. FTXG25/35/50JV1BW(S)(A)

Details the operation and features of the remote controller for specific models.

Part 6 Service Diagnosis

1. Troubleshooting with LED

Explains how to diagnose issues using LED indicators on indoor and outdoor units.

2. Problem Symptoms and Measures

Lists common problems and their corresponding troubleshooting steps and measures.

3. Service Check Function

Describes methods to access service check modes and interpret error codes using the remote controller.

4. Troubleshooting

Provides detailed error codes, their descriptions, and reference pages for troubleshooting.

Part 7 Trial Operation and Field Settings

1. Pump Down Operation

Explains the procedure for pump down operation, essential for unit relocation or disposal.

2. Forced Cooling Operation

Details the procedure and conditions for activating forced cooling operation.

3. Trial Operation

Describes how to perform trial operation to ensure all functions work correctly.

4. Field Settings

Covers settings required for specific installation scenarios, like multiple units or special conditions.

5. Silicon Grease on Power Transistor / Diode Bridge

Explains the correct application of silicon grease when replacing PCBs for heat dissipation.

Part 8 Appendix

1. Piping Diagrams

Provides schematic diagrams illustrating the refrigerant piping for indoor and outdoor units.

2. Wiring Diagrams

Presents electrical wiring diagrams for the indoor and outdoor units, showing component connections.

3. Removal Procedure (Booklet No.)

Lists references to separate booklets containing detailed removal procedures for specific models.

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