External Input - Fujitsu AR*G45LHTA series Technical Manual

11-1.

EXTERNAL INPUT

CONTROL INPUT (Operation/Stop or Forced stop)
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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 PC board and turning it ON.
Operation mode
Set temperature
Air flow mode
Circuit diagram example
z „
Indoor
control PC board
Connector
1
2
3
Surely insulate with
insulation tape etc. since
this wire is not used.
• When function setting is in "Operation/Stop" mode
ON
Input signal
OFF
Operation
Indoor unit
Stop
• When function setting is in "Forcrd stop" mode
ON
Input signal
OFF
Forced stop
Command
Normal
Operation
Indoor unit
Stop
Remote controller
Parts (Optional)
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Model name
UTD-ECS5A
Wire (External input)
Initial setting after power is ON
Auto changeover
24°C
AUTO
Connected unit
Ex.) Switch
*10 m
Signal
Field supply
* Make the distance from the PC board to the connected unit within 10 m.
Contact capacity : 5VDC or more, 15mA or more.
Please use non-polar relays and switches.
Starting mode other than initial setting
Temperature at previous operation
ON ON
Remote control
operation invalidity
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Mode at previous operation
Mode at previous operation
ON