Daikin FTXB12AXVJU User Manual

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

Daikin FTXB12AXVJU Specifications

General

Brand	Daikin
Model	FTXB12AXVJU
Category	Air Conditioner
Language	English

Summary

Safety Cautions

Caution and Warnings

Details on safety warnings and cautions for repair work.

Caution in Repair

Important safety precautions to follow during repair procedures.

Cautions Regarding Products after Repair

Warning

Critical safety warnings for product handling and post-repair considerations.

Caution

Additional cautions regarding installation and inspection after repair.

1.0 Inverter Single Split

1.1 Product Line-up

Overview of the available product models and their specifications.

1.2 Printed Circuit Board (PCB) Connector Wiring Diagram

1.2.1 Indoor PCB

1.2.2 Indoor PCB

1.2.3 Outdoor PCB

1.2.4 Outdoor PCB

1.5 Engineering Data

1.5.1 Cooling Only

Technical specifications for cooling-only operation.

1.5.2 Heatpump

Technical specifications for heat pump operation.

2.0 Function & Control

2.1 Temperature Control

2.2 Cooling and Heating Mode Operation

2.12 Thermistors in RK(X)B, RK(X)N

3.0 Service Diagnosis

3.1 Error Indication from Indoor

How error codes are indicated on the indoor unit's LEDs.

3.2 Error Code Retrieved by Remote Controller

Steps to retrieve error codes using the remote controller.

3.3 Error Code Description for Inverter

List and descriptions of error codes specific to inverter models.

6.0 Appendix A

6.1 Thermistor Resistance Checking Procedures

6.10 Trial Operation and Field Settings