UserManual FGS201811 en GB

14/22 | User Manual FGS | 201811
Operation Manual
After installation, the functionality of the FGS must be checked and set into the open operating position.
Manually operated FGS
Twist the blades into the horizontal position (in the direction indicated by the arrow - Fig. 11), force against the spring
and x the rst blade with the help of a bend hard wire or a bend wrench from the top side with the thermal fusible
link (Fig. 12).
Spring Return Actuator operated FGS
By connecting a power source according to the relevant scheme displayed in Fig. 7 up to Fig. 9, activate the actuator
and the blades will open. For an actuator with the BKN230-24 unit - by connecting a power source to the unit
BKN230-24, activate the actuator and the blades will open. In the need of thermal fuse access the front panel made
of calcium silicate board can be removed by removal of three screws that hold it in place, pulling the bottom out
and pushing downwards.