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Daikin FTXS25BVMB - User Manual

Daikin FTXS25BVMB
201 pages
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SiBE04-302
Inverter Pair
Wall Mounted Type
B Series
[Applied Models]
z
zz
zInverter Pair : Cooling Only
z
zz
zInverter Pair : Heat Pump
Service
Manual

Table of Contents

Questions and Answers

  • L
    Lisa RamirezAug 15, 2025
    Why Daikin FTXS25BVMB Air Conditioner is not turning on? (OPERATION lamp is off)
    • C
      csnyderAug 15, 2025
      If your Daikin Air Conditioner isn't turning on and the OPERATION lamp is off, check the following: * Ensure the breaker hasn't been turned OFF or a fuse hasn't blown. * Verify that there isn't a power failure. * Confirm that batteries are correctly installed in the remote controller. * Check if the timer setting is correct.
  • F
    Frank BurgessAug 18, 2025
    What to do if Daikin Air Conditioner operation stops suddenly? (OPERATION lamp is on)
    • D
      David RamosAug 18, 2025
      If your Daikin Air Conditioner stops suddenly and the OPERATION lamp is on, it might be due to a sudden large voltage fluctuation. For system protection, the air conditioner automatically resumes operation in about 3 minutes.
  • R
    Robert WhiteAug 21, 2025
    Why Daikin FTXS25BVMB Air Conditioner operation does not start soon?
    • J
      Jack HarrisAug 21, 2025
      If your Daikin Air Conditioner doesn't start immediately after pressing the ON/OFF button soon after stopping or reselecting the mode, wait for about 3 minutes.
  • J
    jespinozaAug 25, 2025
    Why Daikin Air Conditioner outdoor unit emits water or steam?
    • D
      Deborah WilkersonAug 26, 2025
      The outdoor unit of your Daikin Air Conditioner may emit water or steam. This can occur in HEAT mode when frost on the outdoor unit melts during defrost operation. In COOL or DRY mode, moisture in the air can condense on the cool surface of the outdoor unit piping and drip.
  • J
    Jessica GuzmanAug 28, 2025
    How to improve cooling (heating) effect of Daikin FTXS25BVMB Air Conditioner?
    • E
      Emma MeadowsAug 28, 2025
      If you're experiencing poor cooling or heating with your Daikin Air Conditioner, consider these points: * Ensure the air filters are clean. * Make sure nothing is blocking the air inlet or outlet of the indoor and outdoor units. * Verify that the temperature setting is appropriate. * Confirm that windows and doors are closed. * Check if the airflow rate and direction are set correctly. * Check if the unit is set to the INTELLIGENT EYE mode.
  • R
    Ronald CastilloSep 1, 2025
    Why my Daikin FTXS25BVMB smells bad?
    • S
      sspearsSep 1, 2025
      If your Daikin Air Conditioner's indoor unit is emitting an odor, it's likely due to smells from the room, furniture, or cigarettes being absorbed into the unit and discharged with the airflow. If this occurs, it is recommended to have the indoor unit cleaned by a technician.
  • S
    Stephanie BurtonSep 4, 2025
    Why Daikin FTXS25BVMB Air Conditioner hot air does not flow out soon after the start of heating operation?
    • H
      hollywilsonSep 4, 2025
      If hot air doesn't flow out immediately after starting the heating operation on your Daikin Air Conditioner, allow 1 to 4 minutes for the system to warm up. The system is designed to discharge air only after reaching a certain temperature.
  • K
    kristaharrisSep 7, 2025
    Why Daikin Air Conditioner heating operation stops suddenly and a flowing sound is heard?
    • L
      Lori AdamsSep 7, 2025
      If the heating operation on your Daikin Air Conditioner stops suddenly and you hear a flowing sound, the system is likely removing frost from the outdoor unit. Wait for about 3 to 8 minutes.
  • D
    Dawn JacobsSep 12, 2025
    Why does Daikin Air Conditioner release mists from the indoor unit?
    • M
      Maureen BrownSep 12, 2025
      Mists may come out of the indoor unit of your Daikin Air Conditioner when the air in the room is cooled into mist by the cold airflow during cooling operation.

Summary

Introduction

1.1 Safety Cautions

Essential safety warnings before operating or repairing the unit.

1.1.3 Inspection after Repair

Procedures for checking the unit after repair work is finished.

Part 2 Specifications

Part 3 Printed Circuit Board Connector Wiring Diagram

Part 4 Function and Control

1.1 Frequency Principle

Detailed explanation of the inverter's frequency control principle.

3.2 Frequency Control

Detailed explanation of how the compressor frequency is controlled.

3.13 Malfunctions

Identification and handling of various system malfunctions.

Part 5 System Configuration

2.1 Safety Precautions

Crucial safety precautions for operating the equipment.

2.12 Trouble Shooting

Guidance on identifying and resolving common operational issues.

Part 6 Service Diagnosis

1. Caution for Diagnosis

Important cautions to observe before performing diagnostic procedures.

4. Troubleshooting

Systematic approach to diagnosing and fixing problems.

Part 7 Removal Procedure

Daikin FTXS25BVMB Specifications

General IconGeneral
TypeSplit System
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
Energy Efficiency Ratio (EER)3.21
Power Supply220-240V/50Hz
Weight (Indoor Unit)9 kg
Weight (Outdoor Unit)26 kg
Refrigerant TypeR32
Indoor Unit Weight9 kg
Outdoor Unit Weight26 kg
RefrigerantR32
Seasonal Energy Efficiency Ratio (SEER)6.1
Energy Efficiency Ratio (Cooling)3.21 W/W
Coefficient of Performance (Heating)4.00

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