Fujitsu ARGA18FMTA Design & Technical Manual page 89

10. External input and output
With using external input and output functions, this product can be operated inter-connectedly with
an external device.
 Models: ARGA30FMTA, ARGA36FMTA, and ARGA45FMTA
Connector
CN102 Control input
CN103
CN6
 Model: ARGA60FHTA
Connector
CN46 Control input
* CN47
*: Any one of the output functions can be selected by function setting No.60.
10-1. 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.
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)
 Circuit diagram example
Indoor unit
control PCB
24 V
Connector
1
3
• When function setting is in "Operation/Stop" mode
Input
— Operation status output
— Fresh-air control output
Input
— Operation status output
— Error status output
— Fresh-air control output
Initial setting after power is on
Auto changeover
24 °C
AUTO
Standard air direction (swing OFF)
• Contact capacity: DC 24 V or more, 10 mA or more.
Connected unit
• *: Make the distance from the PCB to the connected
Example: Switch
• Use non-polar relays and switches.
*10 m
Signal
Locally purchased
- 34 -
Output
—
Output
—
Starting mode other than initial
Mode at previous operation
Temperature at previous operation
Mode at previous operation
Air direction at previous operation
unit within 10 m.
Remarks
See external input/output
settings for details.
Remarks
See external input/output
settings for details.
setting