External Input And Output; External Input - Fujitsu ASU18RLF Design & Technical Manual

8. External input and output

With using external input and output functions, this product can be operated inter-connectedly
with an external device.
Connector
CN14 Control input
CN16

8-1. External input

With using external input function, some functions on this product can be controlled from an exter-
nal device.
• "Operation/Stop" mode or "Forced stop" mode can be selected with function setting of indoor
unit.
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 492 ft (150 m).
• The wire connection should be separate from the power cable line.
¢ Control input (Operation/Stop or Forced stop)
The air conditioner can be remotely operated by means of the following on-site work.
Unit operation is started at the following contents by adding the contact input of a commercial
on/off switch to a connector on the external control PCB and turning it on.
Unit operation
Operation mode
Set temperature
Airflow mode
Air direction (swing)
Input
— Operation status output
Initial setting after power is on
Auto changeover
76 °F (24 °C)
AUTO
Standard air direction (swing OFF)
- 17 -
Output
—
Starting mode other than initial
Mode at previous operation
Temperature at previous operation
Mode at previous operation
Air direction at previous operation
Remarks
See external input/output
settings for details.
setting