Technical Data Sheet FSC-UFC24
Page 10 of 18
November 2017
Technical changes reserved
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Fire Damper Actuator – Connections
Fire damper actuator (spring return). When the actuator has power it is open, when there is no power the
actuator is closed with the spring.
1
2
Com
Power to Actuator
Fire Damper
Actuator
Spring Return
Open
Close
CONF
ON
1 2 3 4 5 6
8
7
2
1
Com
Smoke Damper Actuator
Power Open and Power
Close
Power to Actuator
Open
Close
CONF
ON
1 2 3 4 5 6
8
7
1
2
Com
2
1
Com
Fire Damper
Smoke Damper
When the FSC-UFC24 is powered up,
the power to the actuator is on
output 'open' (pin nr 1).
On power up the CLOSE
output will be ON.
During normal operation the FSC-UFC24 in
this application ONLY, will hold the
last command on memory.
3
2
1
2
1
Open
Close
Open
Close
Smoke Extraction Damper Actuator – Connections
If the actuator is powered up the smoke extraction damper is either open or closed. If the FSC-UFC24 sends
the smoke extraction damper actuator the open signal, pin OPEN is powered. If the FSC-UFC24 sends the
smoke extraction damper actuator the close signal, pin CLOSE is powered.
Fire Damper
Smoke Extraction Damper
After Connection - Power Reset:
•
Fire Damper Application
will always go to OPEN.
•
Smoke Extraction Damper Application
will hold last command on memory.
Connection Details
