SE_20200507_HTE 400_M
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HT400 Rectangular fi re damper - UNI EN 1366-2 Certifi ed - UNI EN 13501-3 Classifi ed
TO RESTORE DAMPER OPERATION FOLLOW THE INSTRUCTIONS OUTLINED HERE IN REVERSE ORDER.
1. Check the condition of
the damper
DISCONNECT
the actua-
tor and wait for the damp-
er to close completely.
2.
Use two spanners to unscrew the four
M6 clamping screws on the support
plate/actuator assembly. The screws
are fi tted with nuts and washers.
3.
Slip the actuator off the control pin,
taking care with the 12
x
12 board
adapter
(1)
1
4.2
Damper with BELIMO electric actuator
mod. BFL / BFN / BAT thermal fuse
4.2.1
Procedure for replacing dampers with height < 250 mm
4.
Remove the actuator support plate. Dismantle the thermal
fuse by unscrewing the two crosshead screws.
5.
Remove the thermal fuse and replace either the fuse alone
or the entire actuator/thermal fuse arrangement.