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Rearming - hand-operated design
The process consist of 6 steps:
1)
Removing or opening a protection grille
2)
Unsecuring the damper from the open position by
pushing a lever (1) marked with label PUSH
3)
Getting the restraint mechanism (2) back to the stand-by
mode by pushing its handle (3) as indicated by the arrow
4)
Closing the damper completely
5)
Making sure that the damper is well secured by an
attempt to open the damper by pushing a blade
6)
Installing or closing and securing the protection grille
Stand-by mode (damper is closed)
Rearming - electric motor design
The process consists of a single step:
1)
Switch on the motor supply voltage for 40 seconds
The damper is then unsecured, the restraint mechanism (2) is
switched to the stand-by mode, and the damper is closed and
secured in the closed position automatically
Stand-by mode (damper is closed)
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For larger dampers, it may be necessary to use both
hands to rearm the damper and proceed in 7 steps:
1)
Removing or opening a protection grille
2)
Unsecuring the damper from the open position by
pushing a lever (1) marked with label PUSH
3)
Closing the damper half-way
4)
Getting the restraint mechanism (2) back to the stand-by
mode by pushing its handle (3) as indicated by the arrow
5)
Closing the damper completely
6)
Making sure that the damper is well secured by an
attempt to open the damper by pushing the blade
7)
Installing or closing and securing the protection grille
If necessary, the damper with rearming motor may be
rearmed also by-hand, as follows:
1)
Removing or opening a protection grille
2)
Unsecuring the damper from the open position moving a
motor lever (4) in the direction to the centre of the
damper
3)
Closing the damper completely (the restrain mechanism
(2) will get back to the stand-by mode automatically if not
in stand-by mode already)
4)
Making sure that the damper is well secured by an
attempt to open the damper by pushing the blade
5)
Installing or closing and securing the protection grille
Smoke extraction damper - SEDM-D
Security position (damper is open)
Security position (damper is open)
TPM 155/22
Version 2023-06-07
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