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Daikin FTYN25DV3B ATY20DV2 - User Manual

Daikin FTYN25DV3B ATY20DV2
128 pages
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SiBE01
-
503
SPLIT Pair
D-Series
[Applied Models]
zNon-Inverter Pair : Heat Pump

Table of Contents

Questions and Answers

  • J
    Juan WeberJul 31, 2025
    What to do if my Daikin Air Conditioner operation stops suddenly and the OPERATION lamp flashes?
    • V
      Vicki DavisAug 1, 2025
      If your Daikin Air Conditioner stops suddenly and the OPERATION lamp flashes, 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.
  • J
    jeffreybennettAug 10, 2025
    How to fix Daikin FTYN25DV3B ATY20DV2 indoor unit gives out odour?
    • J
      Jamie SchmittAug 10, 2025
      If the indoor unit of your Daikin Air Conditioner emits an odor, it is recommended to have the indoor unit cleaned by a qualified technician.
  • E
    Elizabeth JohnsonAug 21, 2025
    What to do if Daikin FTYN25DV3B ATY20DV2 Air Conditioner heating operation stops suddenly and a flowing sound is heard?
    • P
      patricia43Aug 21, 2025
      If the heating operation of your Daikin Air Conditioner stops suddenly and you hear a flowing sound, you should wait for about 4 to 12 minutes.

Summary

Part 3 Printed Circuit Board Connector Wiring Diagram

Printed Circuit Board Connector Wiring Diagram

Diagrams showing connectors on PCBs for indoor units, identifying terminals and their functions.

Part 4 Functions and Control

Part 5 System Configuration

Part 6 Service Diagnosis

1. Caution for Diagnosis

Precautions and error indicators for diagnosing unit malfunctions.

3. Service Check Function

Methods for entering and using the unit's self-diagnostic check functions.

4. Troubleshooting

Detailed error codes, descriptions, and troubleshooting flowcharts for diagnosing faults.

Part 7 Removal Procedure

1. Indoor Unit Removal Procedures

Step-by-step instructions for disassembling and removing various parts of the indoor unit.

Part 9 Appendix

Daikin FTYN25DV3B ATY20DV2 Specifications

General IconGeneral
Cooling Capacity2.5 kW
RefrigerantR32
Indoor Unit Weight9 kg
Star Rating3 Star
Power Supply50Hz

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