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WH45
WH45
ovER vIEW
LINDAB SAFE
LINDAB SAFE
Mechanism type
„
Manual / Manual with magnet
†
1.
Manual opening lever
2.
Protection box
3.
Lever position when the blade is open
4.
Lever position when the blade is closed
5.
Magnet knob (for magnetic version)
6.
Closed blade indicator
7.
Open blade indicator
8.
Manual closing button
Blade closing mode
Automatic closing with thermal fuse.
The control mechanism has a thermosensitive element
that automatically closes the blade when the temperature
in the duct exceeds 70°C (or 95°C for the fire damper with
95°C thermal fuse).
It is possible to close the damper by pressing the indicated
button.
If the manual mechanism is equipped with electromagnet
it is possible to remotely close the fire damper.
The manual command mechanism with magnet is
equipped with an electromagnet which, in case power is
interrupted (interuption magnet version) or when power
is supplied (input magnet version), comands the closing of
the damper.
Blade opening mode
The damper must be opened when the ventilation system
if switched off.
In case of closed damper by pressing the closing button or
remotely by electromagnet (magnetic version), it is possi-
ble to manually open the fire damper blade by rotating the
lever antyclockwise.
For power supply interruption electromagnet, provide
power supply and pull the magnet knob before opening
the fire damper.
In case of closed damper as a result of the action of the
thermosensitive element, it is possible to manually reopen
the damper by rotating the lever counterclockwise once
the element has been replaced.
Position indication microswitches
on request, the fire damper can be supplied with posi-
tion microswitches (SA/SC/S2 optional) that signal the
blade position (open or closed). Refer to Electrical connec-
tions p. 22 paragraph for more details.
Closing by remote control
With power supply input or interruption magnet (WH45M
version only).
Temperature calibration of thermosensitive element for
automatic damper closing
70 °C±7 °C (Standard)
95 °C±9 °C (on request).
Belimo motorized version
†
1.
Manual closing switch
2.
Manual opening lever
3.
Position indicator
4.
Blade locking lever
Blade closing mode
Automatic closing with thermal fuse.
The control mechanism has a thermosensitive element
that automatically closes the blade when the temperature
in the duct or in the room exceeds 72°C (or 95°C for the
95°C version).
To close the damper when the motor is connected, press
the switch on the temperature sensor or cut off the power
supply.
Blade opening mode
The damper must be opened when the ventilation system
if switched off.
To open the damper with the electric motor driven actua-
tor, provide power supply to the motor. Refer to the section
Electrical connections p. 22 for further information.
To manually open the damper, use the handle supplied
and carefully rotate clockwise to the 90° indicator. To hold
the damper in open position operate on the lever indicat-
ed in figure.
For vGB/DGB versions to hold the damper in open posi-
tion, carefully rotate the handle counterclockwise.
During the manual opening of the damper, power must
not be supplied to the motor.
Position indication microswitches
The motorized versions are supplied with two microswitch-
es to show the blade's position (open or closed). Refer to
7/36
7/36
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