Operation and Maintenance Manual (DTR) iSWAY
®
Set of products
Version 1.8 of 2.2021
92
Fig. 14.3. iSWAY-RFC
®
.
14.1.
Shut-off damper actuator
The BF24 and BFN24 actuators (Fig. 14.4) are designed to control the shut-off damper. Both
open and close automatically. BFN24 actuator is used in iSWAY-WFC 1.1, 1.5, 2.2 and 3.0.
Fig. 14.4. Shut-off damper actuators. BF24 on the left and BFN24 on the right.
The actuator is powered by 24VDC.
During normal operation ("standby"), the damper should be closed (90° damper axis position
indication). During the fire operation of the device (aeration), the damper should
be open (0°
indication of damper axis position).
NOTE!