External Input & Output; External Input - Fujitsu ASU18RLB Technical Manual

10. EXTERNAL INPUT & OUTPUT
Connector
CN14
CN16
10-1.

EXTERNAL INPUT

 
CONTROL INPUT (Operation/Stop or Forced stop)
The air conditioner can be remotely operated by means of the following on-site work.
"Operation/Stop" mode or "Forced stop" mode can be selected with function setting of indoor 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 PC board and turning it ON.
Operation mode
Set temperature
Air flow mode
Air direction (swing)
 
Circuit diagram example
Indoor
control PC board
Connector
1
3
* Make the distance from the PC board to the connected unit within 33ft. (10m).
Contact capacity : 24VDC or more, 10mA or more.
Please use the non-polar relays and switches.
 
When function setting is "Operation/Stop" mode
ON
Input signal
OFF
Operation
Indoor unit
Stop
INPUT
Control input
-
Initial starting after power turned on
Auto changeover
76°F (24°C)
AUTO
Standard air direction (swing OFF)
Connected unit
Ex.) Switch
*33ft. (10m)
Signal
Field supply
- (01 - 28) -
OUTPUT
-
Operation status output
Starting other than at the left
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.