External Input And Output For Indoor Unit; Preparation - Fujitsu ARXG45KHTA Service Manual

3. External input and output for indoor unit

Connector
CN114
CN115
CN14
CN15

3-1. Preparation

Before connecting the external input, preparation is necessary using the signal wire in the figure be-
low.
→hen the external input/output is used, connect the external signal wire as shown in the figure.
3-1. Preparation
Input
Control input
— Operation status output
— Fresh air control output
— Auxiliary heater output
CN106
Black
Power PCB
- (05-10) -
Output
—
See external input/output
settings for details.
Control PCB
CN5
Black
Remarks
3. External input and output for indoor unit