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Daikin FTX50GV1B - Service Manual

Daikin FTX50GV1B
130 pages
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Service
Manual
[Applied Models]
z Inverter Pair : Heat Pump
Inverter Pair
Wall Mounted Type FTX-G Series
SiBE041029EC

Table of Contents

Other manuals for Daikin FTX50GV1B

Questions and Answers

  • A
    Alexa MoodyJul 31, 2025
    What to do if my Daikin FTX50GV1B operation stops suddenly and OPERATION lamp flashes?
    • M
      michael27Aug 1, 2025
      If the Daikin Air Conditioner stops suddenly and the OPERATION lamp is flashing, clean the air filters or remove any obstructions. Then, turn the breaker OFF, and then turn it back ON. Try operating the air conditioner again using the remote controller.
  • T
    thomasmccoyAug 6, 2025
    Why does my Daikin FTX50GV1B outdoor unit emit water or steam?
    • D
      danielsfrankAug 6, 2025
      The outdoor unit of your Daikin Air Conditioner emits water or steam in HEAT mode when the frost on the outdoor unit melts into water or steam during defrost operation.
  • M
    Michael DuncanAug 12, 2025
    Why does my Daikin FTX50GV1B Air Conditioner operation stop suddenly and the OPERATION lamp is on?
    • M
      Michael LopezAug 13, 2025
      The Daikin Air Conditioner might stop operating due to a sudden large voltage fluctuation. It will automatically resume operation in about 3 minutes.
  • A
    Amber BanksAug 19, 2025
    Why does mist come out of my Daikin FTX50GV1B Air Conditioner indoor unit?
    • S
      ssimmonsAug 19, 2025
      Mist coming from the indoor unit of your Daikin Air Conditioner happens when the air in the room is cooled into mist by the cold airflow during cooling operation.
  • J
    Jamie OrtizAug 25, 2025
    What to do if my Daikin FTX50GV1B Air Conditioner indoor unit gives out odour?
    • M
      Marcus HicksAug 25, 2025
      If the indoor unit of your Daikin Air Conditioner emits an odor, it is recommended to have the indoor unit cleaned by a technician. Consult the service shop where you bought the air conditioner.

Summary

Safety Cautions

Safety Warnings for Workers

Safety warnings specifically for personnel performing repairs.

Safety Warnings for Users

Safety advice for end-users of the equipment.

Used Icons

Icon Definitions

Explains the meaning of various icons used in the manual.

Part 1 List of Functions

Product Functions Overview

Lists all available functions and their model compatibility.

Part 2 Specifications

Technical Specifications

Detailed performance and physical data for all models.

Part 3 Printed Circuit Board Connector Wiring Diagram

Indoor Unit PCB Diagrams

Wiring details for indoor unit circuit boards and connectors.

Outdoor Unit PCB Diagrams

Wiring details for outdoor unit circuit boards and connectors.

Part 4 Function and Control

Main Functions Explained

Explains core operational functions like temperature and frequency control.

Thermistor Functions

Details the role of various thermistors in system operation.

Control Specifications

Outlines control modes, frequency, and operational logic.

Part 5 Remote Controller

Remote Controller Operation

Explains the remote control buttons and display functions.

Part 6 Service Diagnosis

General Symptoms and Checks

Lists common problems and initial check items.

Troubleshooting with LEDs

Guides diagnosis based on LED indicators on units.

Service Diagnosis Methods

Describes methods for entering and using diagnostic modes.

Troubleshooting Error Codes

Lists error codes and their descriptions for troubleshooting.

Component Checks

Provides procedures for checking specific components like thermistors and motors.

Part 7 Trial Operation and Field Settings

Pump Down Operation

Procedures for refrigerant recovery before relocation or disposal.

Forced Cooling Operation

Details how to initiate and manage forced cooling mode.

Trial Operation

Steps for verifying functions and settings after installation.

Field Settings

Configuration options like unit addresses and facility settings.

Part 8 Appendix

Piping Diagrams

Schematic diagrams showing refrigerant piping connections.

Wiring Diagrams

Electrical wiring diagrams for indoor and outdoor units.

Revision History

Daikin FTX50GV1B Specifications

General IconGeneral
Cooling Capacity5.0 kW
Heating Capacity6.0 kW
Energy Efficiency Ratio (EER)3.21
Power Supply220-240V, 50Hz
RefrigerantR410A
Energy Efficiency Ratio (Cooling)3.21
TypeSplit

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