Smoke extraction damper - SEDM-D
Page 14
Version 2023-06-07
TPM 155/22
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
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)
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
For larger dampers, it may be necessary to use both
hands to rearm the damper and proceed in 7 steps:
Rearming - electric motor design
1)
Switch on the motor supply voltage for 40 seconds
The process consists of a single step:
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
If necessary, the damper with rearming motor may be
rearmed also by-hand, as follows:
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
Rearming - hand-operated design
Stand-by mode (damper is closed)
Security position (damper is open)
Security position (damper is open)
Stand-by mode (damper is closed)
