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Daikin FTX35JVEA9 User Manual

Daikin FTX35JVEA9
410 pages
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Si18-201
J Series
[Applied Models]
!
!!
!Super Multi Plus : Cooling Only
!
!!
!Super Multi Plus : Heat Pump
Service
Manual

Table of Contents

Questions and Answers:

Daikin FTX35JVEA9 Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Energy Efficiency Ratio (EER)3.21
Seasonal Energy Efficiency Ratio (SEER)6.1
Noise Level (Outdoor Unit)48 dB(A)
TypeSplit System
Power Supply220-240V / 50Hz
RefrigerantR32
Energy Efficiency Ratio (Cooling)3.21

Summary

1. Introduction

1.1 Safety Cautions

Essential safety guidelines for operation, repair, and handling.

1.1.1 Cautions in Repair

Crucial safety warnings and precautions to follow during repair procedures.

1.1.2 Cautions Regarding Products after Repair

Important safety considerations for handling the product post-repair.

1.1.3 Inspection after Repair

Procedures and checks to ensure safety and functionality post-repair.

1.1.4 Using Icons

Explanation and meaning of icons used throughout the manual for clarity.

Part 1 List of Function

1.1 Function List for General

Details general functions applicable to various models.

1.2 Function List for China

Details specific functions for models sold in China.

1.3 Function List for Taiwan

Details specific functions for models sold in Taiwan.

1.4 Function List for Europe

Details specific functions for models sold in Europe.

1.5 Function List for Singapore, Malaysia, Indonesia

Details functions for models in Singapore, Malaysia, and Indonesia.

1.6 Function List for Australia

Details specific functions for models sold in Australia.

1.7 Function List for Europe

Additional function details for European models.

Part 2 Specifications

1.1 Outdoor Units

Technical specifications for outdoor units, including cooling and heat pump models.

1.2 BP Units

Technical specifications for Branch Pipe (BP) units.

1.3 Indoor Units (for General)

Technical specifications for general indoor units.

1.4 Indoor Units (for China)

Technical specifications for indoor units sold in China.

1.5 Indoor Units (for Taiwan)

Technical specifications for indoor units sold in Taiwan.

1.6 Indoor Units (for Europe)

Technical specifications for indoor units sold in Europe.

Part 3 Printed Circuit Board Connector Wiring Diagram and Name

1.1 Branch Provider Unit BPMK928B42, B43

Wiring diagram and connector names for Branch Provider Units BPMK928B42, B43.

1.2 Outdoor Unit RMK (X) 140JVMT (C) 9 (8), RMK140JAVM, RMX140JVMB, RMK (X) 140JZVMA (B)

Wiring diagrams and connector names for various outdoor units.

1.3 FTK25 / 35J Series, FTX25 / 35J Series, FTXD25 / 35K Series, FVX25 / 35K Series

Wiring diagrams and connector names for FTK/FTX/FTXD/FVX series.

1.4 FTK50~60HV Series, FTKD50~71JV Series, FTX50~60HV Series, FTXD50~71JV Series

Wiring diagrams and connector names for FTK/FTKD/FTX/FTXD series.

1.5 CDX25~60HAV Series, CDK25~60HAV Series

Wiring diagrams and connector names for CDX/CDK HAV series.

1.6 FLK25~60HV Series, FLX25~60HV Series, FLK50 / 60JV Series, FLX50 / 60JV Series

Wiring diagrams and connector names for FLK/FLX HV/JV series.

1.7 FHYC35~71KV Series

Wiring diagrams and connector names for FHYC KV series.

1.8 FDYM60FA, FDYM03FA Series

Wiring diagrams and connector names for FDYM series.

Part 4 Main Functions Indoor Unit

1.1 Main Functions in Split Type

Key operational features and functions for split type indoor units.

1.1.1 Airflow and Fan Control

Details flap, louver, auto-swing, and fan speed controls.

1.1.2 Operational Modes

Covers special modes like pre-heat, program dry, auto, and night set.

1.1.3 System Monitoring and Protection

Covers self-diagnosis, auto-restart, and freeze protection functions.

Part 5 Main Functions Outdoor Unit / BP Unit

1. Refrigerant System and Functional Parts

Overview of outdoor unit's refrigerant system and major components.

2. Protection Devices

Details protection devices for outdoor and BP units.

3. System Control Functions

Explains key system control logic and operations.

3.8 Defrost Operation

Process and conditions for defrosting the outdoor heat exchanger.

3.11 Capacity Control

Controls for adjusting cooling and heating capacity.

3.14 Gas Shortage Malfunction

Detection and handling of gas shortage issues.

3.16 Input Current Control

Controls frequency limit based on input current and high pressure.

3.25 Fan Control

Manages fan speed to prevent abnormal operation and ensure reliability.

3.26 Motorized Valve Control

Details control of outdoor unit motorized valves.

3.37 4-Way Valve Operation

Ensures proper operation and security of the 4-way valve.

Part 6 Flow of Refrigerant

1.2 Standby Operation

Refrigerant flow during standby for cooling and heating modes.

1.3 Equalizing Control

Refrigerant flow during equalizing control in cooling and heating.

1.4 Oil Return Operation

Refrigerant flow during oil return in cooling and heating modes.

1.14 Defrost Operation

Refrigerant flow path during defrost operation.

1.15 All-Room Operation (Heating)

Refrigerant flow for all-room heating operation.

Part 7 Operations

1. Remote Controller

Information on operating the remote controller.

1.1 Wireless Remote Controller Operation

Details on operating various wireless remote controller models.

1.2 Wired Remote Controller Operation

Details on operating wired remote controller models.

Part 8 Operating Test

1. Operating Test Procedures

Steps for performing trial operation and initial checks.

1.1 Operating Test

Detailed steps for conducting the operating test.

1.2 Test Operation Switch

Explanation of the test operation switch (SW7).

1.3 Pump Down Operation Switch

Procedure for pump down operation.

2. Method of Field Setting

Procedures for setting unit parameters in the field.

2.1 Field Setting

Steps for setting parameters via wired and wireless remote controllers.

2.2 Group Number Setting

Procedure for setting group numbers for central remote control.

2.4 Precautions for Outdoor Unit Users

Important precautions for RMK/RMX140J outdoor unit users.

Part 9 Service Diagnosis

1. Troubleshooting - Split Type Indoor Unit

Diagnosing issues specific to split type indoor units.

1.1 Troubleshooting with Operation Lamp

Using the operation lamp to identify indoor unit faults.

1.3 Code Indication on Remote Controller

Interpreting error codes displayed on the remote controller.

1.5 Troubleshooting Detail

Detailed steps for troubleshooting specific indoor unit faults.

2. Troubleshooting - SkyAir Indoor Unit

Diagnosing issues specific to SkyAir indoor units.

2.1 INSPECTION/TEST Button

Using the inspection/test button for SkyAir unit diagnostics.

2.2 Self-Diagnosis by Wired Remote

Performing self-diagnosis with a wired remote controller.

2.3 Fault Diagnosis by Wireless Remote

Diagnosing faults using a wireless remote controller.

2.5 Troubleshooting by Remote Controller Display

Troubleshooting using remote controller display and LED indicators.

3. Troubleshooting - Outdoor Unit Related

Diagnosing issues related to the outdoor unit.

3.1 Unit Runs but Doesn't Cool/Heat

Troubleshooting when the unit runs but fails to cool or heat.

3.3 Troubleshooting Detail

Detailed troubleshooting steps for outdoor unit issues.

4. BP Unit Trouble Diagnosis

Troubleshooting specific to BP units.

4.2 LED On Branch Provider Unit

Interpreting diagnostic LEDs on the Branch Provider Unit.

Part 10 Removal Procedure

1. BPMK928B42 · 43 Component Removal

Removal procedures for BPMK928B42/43 unit components.

1.2 Opening Electrical Box and Removing PCB

Steps to access and remove the electrical box and PCB mount.

1.3 Removal of Motorized Valve

Procedure for removing motorized valves.

2. Outdoor Unit Component Removal

Procedures for removing major outdoor unit parts.

2.1 Outer Panels and Electrical Box

Steps to remove outer panels and electrical box.

2.3 Fans and Motors

Procedure for removing propeller fans and fan motors.

2.5 Motorized Valve Removal

Steps to remove motorized valves.

2.7 Compressor Removal

Steps for removing the compressor.

2.8 4-Way Valve Removal

Procedure for removing the 4-way valve.

Part 11 Cautions before Operation

1. Installation

Guidelines for installing outdoor and BP units correctly.

1.1 Outdoor Unit Installation

Procedures and service space requirements for outdoor unit installation.

1.2 BP Unit Installation

Installation procedures for the BP Unit.

2. Wiring

Information on wiring connections for outdoor and BP units.

2.1 Outdoor Unit Wiring

Precautions for electric wiring connection of the outdoor unit.

2.3 Outdoor Unit Rotary Switch Setting

How to set the rotary switches on the outdoor unit.

3.1 Test Run from Remote Controller

Procedure for trial operation using the remote controller for heat pump models.

Part 12 Appendix

1. Piping Diagrams

Diagrams showing refrigerant piping layouts for various units.

1.1 Outdoor Units

Piping diagrams for different outdoor unit models.

1.2 BP Units

Piping diagrams for BP units.

1.3 Indoor Units

Piping diagrams for various indoor unit types.

2. Wiring Diagrams

Diagrams illustrating electrical wiring connections.

2.1 Outdoor Units

Wiring diagrams for outdoor units.

2.2 BP Units

Wiring diagrams for BP units.

2.3 Indoor Units

Wiring diagrams for indoor units.

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