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Daikin FTN20CVMB9 - User Manual

Daikin FTN20CVMB9
246 pages
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Ser vice
Manual
Inverter Pair
Wall Mounted Type C-Series
D-Series
[Applied Models]
zInverter Pair : Cooling Only
zInverter Pair : Heat Pump
SiENBE04-401A

Table of Contents

Other manuals for Daikin FTN20CVMB9

Questions and Answers

  • T
    tfosterAug 19, 2025
    Why is my Daikin Air Conditioner outdoor unit leaking water?
    • R
      Richard FreyAug 19, 2025
      In HEAT mode, the frost on the outdoor unit melts into water or steam during defrost operation. In COOL or DRY mode, moisture in the air condenses into water on the cool surface of the outdoor unit piping and drips.
  • T
    Terri GutierrezAug 21, 2025
    Why does my Daikin FTN20CVMB9 smell?
    • P
      Patricia CarterAug 21, 2025
      The Daikin Air Conditioner may emit odors because smells from the room, furniture, or cigarettes have been absorbed into the unit and are being discharged with the airflow. It is recommended to have the indoor unit cleaned by a technician. Consult the service shop where you bought the air conditioner.
  • V
    Valerie WattsAug 23, 2025
    What to do if my Daikin FTN20CVMB9 heating stops suddenly?
    • M
      Mary MurphyAug 23, 2025
      The system is likely removing frost from the outdoor unit. You should wait for about 3 to 8 minutes.
  • H
    Hunter SparksAug 26, 2025
    Why doesn't hot air come out immediately from my Daikin Air Conditioner when heating?
    • X
      Xavier WalkerAug 26, 2025
      You should wait for 1 to 4 minutes. The system is designed to start discharging air only after it has reached a certain temperature.
  • J
    James LopezAug 27, 2025
    Why is the cooling or heating effect poor in my Daikin Air Conditioner?
    • J
      James SchmidtAug 28, 2025
      If your Daikin Air Conditioner isn't cooling or heating well, check these: * Ensure the air filters are clean. * Remove any obstructions blocking the air inlet or outlet of the indoor and outdoor units. * Verify the temperature setting is correct. * Make sure all windows and doors are closed. * Confirm the airflow rate and direction are appropriately set. * Check if the unit is set to INTELLIGENT EYE mode.
  • D
    Debra JonesAug 29, 2025
    What to do if my Daikin FTN20CVMB9 Air Conditioner's heating stops suddenly and I hear a flowing sound?
    • L
      lturnerAug 30, 2025
      If the heating operation of your Daikin Air Conditioner stops suddenly and you hear a flowing sound, wait for about 3 to 8 minutes.
  • T
    tgarciaSep 1, 2025
    Why my Daikin FTN20CVMB9 Air Conditioner does not start immediately?
    • J
      Jeremy SanchezSep 1, 2025
      If the ON/OFF button was pressed soon after operation was stopped, or if the mode was reselected, you should wait for about 3 minutes.
  • K
    Keith MillerSep 3, 2025
    What to do if my Daikin Air Conditioner operation stopped suddenly?
    • S
      Sean TrevinoSep 3, 2025
      For system protection, the air conditioner may stop operating due to a sudden large voltage fluctuation. It will automatically resume operation in about 3 minutes.
  • T
    tyler69Sep 5, 2025
    Why is the Daikin FTN20CVMB9 Air Conditioner outdoor fan running when it's off?
    • M
      michael34Sep 5, 2025
      After operation is stopped, the outdoor fan may continue rotating for another 60 seconds for system protection. Also, when the outdoor temperature is very high, the outdoor fan might start rotating for system protection even when the air conditioner is not in operation.
  • K
    Kathryn HernandezSep 7, 2025
    Why does mist come out of my Daikin FTN20CVMB9?
    • S
      Stephen OlsenSep 7, 2025
      This happens when the air in the room is cooled into mist by the cold air flow during cooling operation.

Summary

Part 1 List of Functions

High Grade Models Function List

Details functions available in high-grade models.

Standard Grade Models Function List

Details functions available in standard grade models.

Non-Inverter Models Function List

Details functions specific to non-inverter models.

Part 2 Specifications

Cooling Only Specifications

Detailed technical specifications for Cooling Only models.

Heat Pump Specifications

Detailed technical specifications for Heat Pump models.

Part 3 Printed Circuit Board Connector Wiring Diagram

Indoor Unit Wiring Diagrams

Wiring diagrams for indoor unit components.

Outdoor Unit RK(X)S-C, ARK(X)S-C Wiring Diagrams

Wiring diagrams for specific outdoor unit models.

Outdoor Unit RK(X)H-C, ARK(X)H-C, R(Y)N-C Wiring Diagrams

Wiring diagrams for different outdoor unit models.

Part 4 Function and Control

Main Functions Overview

Explains key functions like frequency, airflow, auto modes, and special features.

Control Specifications

Details control logic for modes, frequency, protection, and malfunctions.

Part 5 System Configuration

System Configuration and Instructions

Covers installation, safety, parts, operation, care, and basic troubleshooting.

Part 6 Service Diagnosis

Diagnostic Precautions and Procedures

Guidelines for safe and effective troubleshooting.

Troubleshooting Error Codes

Lists and describes system error codes for diagnosis.

Component-Specific Troubleshooting

Diagnoses issues related to PCBs, motors, sensors, valves, and other components.

Component Check Procedures

Step-by-step guides for checking specific components like EV, valves, and sensors.

Part 7 Removal Procedure

Indoor Unit Removal Procedures

Step-by-step instructions for disassembling the indoor unit.

Outdoor Unit RK(X)S-C, ARK(X)S-C Removal Procedures

Disassembly steps for specific outdoor unit models.

Outdoor Unit RK(X)H-C, ARK(X)H-C, R(Y)N-C Removal Procedures

Disassembly steps for different outdoor unit models.

Part 8 Others

Test Run and Jumper Settings

Procedures for trial operation and configuring jumpers.

Part 9 Appendix

Piping Diagrams

Visual representations of refrigerant flow paths.

Wiring Diagrams

Electrical schematics for unit connections.

Daikin FTN20CVMB9 Specifications

General IconGeneral
BrandDaikin
ModelFTN20CVMB9
CategoryAir Conditioner
LanguageEnglish

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