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Daikin FTKB12AXVJU User Manual

Daikin FTKB12AXVJU
84 pages
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SERVICE MANUAL
Inverter Wall Mounted Single Split
dd
SM-5WM-Y-NA-B1
MODELS
Cooling Only
FTKB09AXVJU RKB09AXVJU
FTKB12AXVJU RKB12AXVJU
FTKB18AXVJU RKB18AXVJU
FTKB24AXVJU RKB24AXVJU
FTKN09AXVJU RKN09AXVJU
FTKN12AXVJU RKN12AXVJU
FTKN18AXVJU RKN18AXVJU
FTKN24AXVJU RKN24AXVJU
Heatpump
FTXB09AXVJU RXB09AXVJU
FTXB12AXVJU RXB12AXVJU
FTXB18AXVJU RXB18AXVJU
FTXB24AXVJU RXB24AXVJU
FTXN09AXVJU RXN09AXVJU
FTXN12AXVJU RXN12AXVJU
FTXN18AXVJU RXN18AXVJU
FTXN24AXVJU RXN24AXVJU
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Daikin FTKB12AXVJU Specifications

General IconGeneral
BrandDaikin
ModelFTKB12AXVJU
CategoryAir Conditioner
LanguageEnglish

Summary

Inverter Single Split Overview

Product Line-up

Lists available indoor and outdoor unit models and their classifications.

PCB Connector Wiring Diagram

Illustrates the connector layout and functions on indoor and outdoor unit PCBs.

Piping Length & Elevation

Specifies maximum piping lengths and height differences for model series.

Outline & Dimension

Provides physical dimensions and installation details for indoor and outdoor units.

Engineering Data

Details technical specifications like capacity, power, airflow, and sound pressure levels.

Function & Control

Operating Modes

Explains system modes like Cooling, Heating, Fan, Auto, and Dry operations.

Special Modes

Details special features like Sleep, Quiet, ECO+, and Powerful modes for enhanced comfort.

System Protection

Covers freeze prevention, high pressure protection, and other safety controls.

Control Logic

Details thermistors, valves, fan control, defrost, and temperature/current/frequency regulation.

Communication and Restart

Explains indoor-outdoor communication and auto restart functions.

Service Diagnosis

Error Indication and Codes

Describes LED error indications and how to retrieve error codes from the remote controller.

Error Code Descriptions

Lists and describes error codes for inverter models and their possible root causes.

Wiring and Refrigerant Diagrams

Wiring Connections

Illustrates the electrical wiring diagrams for indoor and outdoor units by model.

Refrigerant Flow Diagrams

Depicts the refrigerant circuit for different model series during operation.

Appendix: Procedures

Thermistor Resistance Checking

Provides a table and procedure for checking thermistor resistance values.

Valve Performance Checks

Details checking procedures for Electronic Expansion Valve (EXV) and 4-way valve.

Electrical and Trial Operation

Includes checks for rotation pulse, installation, and trial operation guidelines.

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