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Daikin FTXS35K2V1B - Service Manual

Daikin FTXS35K2V1B
267 pages
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Service
Manual
Inverter Multi for 2 Rooms
H-Series / G-Series
SiBE121123_A
[Applied Models]
O Inverter Multi : Heat Pump

Table of Contents

Other manuals for Daikin FTXS35K2V1B

Questions and Answers

  • M
    Mrs. Michelle Campbell MDSep 23, 2025
    How to make Daikin FTXS35K2V1B flaps start swing immediately?
    • S
      sarah31Sep 23, 2025
      The air conditioner is adjusting the flaps position. The flaps will start moving soon.
  • B
    Becky DelgadoAug 25, 2025
    What to do if Daikin FTXS35K2V1B operation stopped suddenly?
    • U
      ujohnstonAug 25, 2025
      If your Daikin Air Conditioner suddenly stopped and the OPERATION lamp is flashing, try these steps: * Clean the air filters. * Ensure nothing is blocking the air inlet or outlet of the indoor and outdoor units. * Turn the breaker off, remove any obstacles, and turn it back on. Try operating the air conditioner with the remote controller. If the lamp continues to flash, contact your service shop. * If it's a multi-system, ensure all indoor units are set to the same operation mode.
  • C
    carolyn16Aug 25, 2025
    What to do if my Daikin FTXS35K2V1B operation stopped suddenly and the OPERATION lamp flashes?
    • C
      Courtney SmithAug 26, 2025
      If your Daikin Air Conditioner stops suddenly and the OPERATION lamp is flashing, try these steps: * Clean the air filters. * Turn the breaker off, remove any obstructions, and then turn the breaker back on. Try operating the air conditioner with the remote controller.
  • J
    James FieldsAug 26, 2025
    Why is my Daikin FTXS35K2V1B cooling or heating effect poor, and the OPERATION lamp is on?
    • R
      ronaldwheelerAug 27, 2025
      If the cooling or heating effect of your Daikin Air Conditioner is poor and the OPERATION lamp is on, consider the following: * Ensure the air filters are clean. * Check for any obstructions blocking the air inlet or outlet of both the indoor and outdoor units. * Verify that the temperature setting is appropriate. * Confirm that all windows and doors are closed. * Make sure the airflow rate and direction are set correctly.
  • D
    David HillAug 27, 2025
    What to do if my Daikin Air Conditioner does not operate and the OPERATION lamp is off?
    • T
      Tammie FrankAug 27, 2025
      If your Daikin Air Conditioner does not operate and the OPERATION lamp is off: * Set all indoor units to the same operation mode and confirm that the lamps flash. * If the operation mode is in AUTO, set all indoor unit operation modes to COOL or HEAT for a moment and check again that the lamps are normal.
  • R
    rfuentesSep 15, 2025
    What to do if Daikin Air Conditioner has an abnormal functioning during operation?
    • V
      Victoria RileySep 15, 2025
      If your Daikin Air Conditioner is malfunctioning during operation, it may be due to lightning or radio waves. Turn the breaker off, then turn it back on, and try operating the air conditioner with the remote controller.
  • V
    Vickie MartinSep 12, 2025
    Why does mist come out of the Daikin FTXS35K2V1B indoor unit?
    • D
      David MillerSep 12, 2025
      Mist coming from the indoor unit of your Daikin Air Conditioner can occur because the air in the room is cooled into mist by the cold airflow during COOL operation, or because the air in the room is cooled by the heat exchanger and becomes mist during defrost operation.
  • T
    Theresa RiveraSep 14, 2025
    How to fix Daikin FTXS35K2V1B Air Conditioner ON/OFF TIMER that does not operate according to the settings?
    • J
      Jennifer BentleySep 14, 2025
      If the ON/OFF TIMER on your Daikin Air Conditioner isn't working as set, check if the ON/OFF TIMER and the WEEKLY TIMER are set to the same time. Change or deactivate the settings in the WEEKLY TIMER.
  • D
    Deborah BarnesSep 5, 2025
    What to do if Daikin Air Conditioner remote controller does not work properly because the batteries are dying?
    • K
      kathleengrantSep 5, 2025
      If your Daikin Air Conditioner remote controller isn't working properly and you suspect the batteries are dying, replace all the batteries with new, size AAA.LR03 (alkaline) batteries.
  • M
    Mackenzie CalhounSep 2, 2025
    Why hot air does not flow out soon after the start of HEAT operation of Daikin Air Conditioner?
    • J
      jperrySep 2, 2025
      If hot air doesn't flow out soon after starting HEAT operation on your Daikin Air Conditioner, it's because the unit is warming up. Please wait for 1 to 4 minutes.

Summary

Part 1 List of Functions

1. Functions

Lists and categorizes various functions of indoor units, including basic, comfort, operation, and lifestyle features.

Part 2 Specifications

1. Indoor Unit

Provides detailed technical specifications for various wall-mounted, floor-standing, and cassette indoor units.

2. Outdoor Unit

Lists technical specifications for outdoor units, including models, dimensions, power, and refrigerant details.

Part 3 Printed Circuit Board Connector Wiring Diagram

1. Indoor Unit

Details PCB layout and connector assignments for various indoor unit models.

2. Wired Remote Controller

Provides PCB layout and connector details for wired remote controllers like BRC1D528 and BRC1E51A7.

3. Wireless Remote Controller

Details PCB layout and connector assignments for wireless remote controllers like BRC7E530W.

4. Outdoor Unit

Details PCB layout and connector assignments for outdoor units.

Part 4 Function and Control

1. Function of RA Indoor Unit

Explains various functions of RA indoor units, including temperature, airflow, and special modes like RADIANT.

2. Function of SA Indoor Unit

Details functions specific to SA indoor units, such as drain pump control and thermostat behavior.

3. Function of Thermistor

Describes the role and location of various thermistors used for temperature sensing and control.

4. Control Specification

Outlines system control logic, including mode hierarchy, frequency control, and protection functions.

Part 5 Remote Controller

1. RA Indoor Unit

Describes the operation and features of remote controllers for RA indoor units, including button functions.

2. SA Indoor Unit

Details the operation and features of remote controllers for SA indoor units, including BRC1D528 and BRC1E51A7.

Part 6 Service Diagnosis

1. Troubleshooting with LED

Guides troubleshooting based on indoor and outdoor unit LED indicators and error codes.

2. Problem Symptoms and Measures

Provides a table of common problem symptoms and their corresponding checks and measures.

3. Service Check Function

Explains how to enter and use service check modes on remote controllers for diagnosis.

4. Code Indication on Remote Controller

Lists error codes displayed on remote controllers for RA, SA, and Outdoor units.

5. Troubleshooting for RA Indoor Unit

Provides detailed troubleshooting steps for various RA indoor unit abnormalities.

6. Troubleshooting for SA Indoor Unit

Details troubleshooting procedures for SA indoor unit abnormalities like PCB, drain, and fan motor issues.

7. Troubleshooting for Outdoor Unit

Outlines troubleshooting steps for common outdoor unit errors like refrigerant shortage and voltage issues.

8. Check

Lists various component checks, including thermistors, fan motors, and PCB diagnostics.

Part 7 Trial Operation and Field Settings

1. Pump Down Operation

Explains the procedure for pump down operation, essential for refrigerant handling during relocation.

2. Forced Cooling Operation

Describes how to perform forced cooling operation for specific maintenance tasks.

3. Trial Operation

Details the procedure for conducting trial operation to verify system functionality after installation.

4. Field Settings

Guides on setting parameters for indoor units based on model type and installation configuration.

5. Silicon Grease on Power Transistor; Diode Bridge

Instructions on applying silicon grease during PCB replacement for proper heat dissipation.

Part 8 Appendix

1. Piping Diagrams

Visual representation of refrigerant and field piping connections for various indoor and outdoor units.

2. Wiring Diagrams

Electrical wiring diagrams for indoor and outdoor units, showing component connections.

3. Removal Procedure (Booklet No.)

Information on obtaining separate booklets for detailed component removal procedures.

Daikin FTXS35K2V1B Specifications

General IconGeneral
TypeSplit System
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Energy Efficiency Ratio (EER)3.21
Power Supply220-240V, 50Hz
Indoor Unit Dimensions (WxHxD)800 x 290 x 215 mm
Outdoor Unit Dimensions (WxHxD)800 x 550 x 285 mm
RefrigerantR32
Noise Level (Outdoor Unit)48 dBA
Seasonal Energy Efficiency Ratio (SEER)6.10

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