SE_20200507_HTE400_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
4.3.2
Procedure for replacing dampers with height ≥ 250 mm
1. Check the condition of
the damper
DISCONNECT
the actua-
tor and wait for the damp-
er to close completely.
2.
Use a spanner to unscrew the actua-
tor’s four M6 clamping screws.
3.
Slip the actuator-plate off the control
pin, taking care with the 12 x 12 board
adapter
(1)
.
4.
Dismantle the thermal fuse by unscrewing the two cross-
head screws.
5.
Remove the thermal fuse and replace either the fuse alone
or the entire actuator/thermal fuse arrangement.