User Manual 5.0-2 (2016-10)
4
Subject to change
Series FK120
FK90 fire dampers
Release mechanisms and actuators (1)
Thermal-mechanical release mechanism
- standard -
with 70°C release element.
Option:
with coated 70°C release element.
Option:
with coated 95°C release element.
Option:
with
limit switch
E
Changeover with gold-plated contacts for 5 A
at 250 V AC or 24 V DC; IP67;
1 m silicone-free connection cable, 3 x 0.34 mm².
One or two can be plugged in for the CLOSED and/or OPEN
position indicator; instead of blind caps.
Enclosed
relea-
se element
can be replaced
from the front.
Blind cap
can
be replaced with
the
OPEN limit
switch
.
Manual release
‘Red button’
Lever for opening
the
fire damper.
Inserted
limit
switch
CLOSED
.
FK90 fire dampers, series FK120, are fitted with maintenance-free thermal-mechanical release mechanisms or with
thermal-electrical release mechanisms on the spring return actuators.
Release
occurs at a nominal temperature of
70°C
. Coated release elements provide increased corrosion protection. Release mechanisms with a release element
for nominal temperatures of
95°C
and
100°C
are provided for warm air heating systems. The requirements for use in
ventilation systems for "cold smoke extraction" are country-specific.
Electric spring return actuators also close the fire dampers if the supply voltage is interrupted. They reopen the fire
dampers as soon as the voltage is present again.
Release mechanisms and operation units can be replaced on site!
Release mechanism and
remote release
with lifting solenoid
Option:
with additional
remote release
based on the:
closed circuit principle
. The fire dampers must be opened
manually, and close after the electrical supply voltage is inter
-
rupted.
GU24
with magnetic clamp 24 V DC; 1.6 W;
100% duty cycle; IP42.
WU220
with magnetic clamp 230 V AC; 4 VA;
100% duty
cycle;IP42.
Open circuit principle
. The fire dampers must be opened
manually, and close by means of electrical or pneumatic stimu
-
lus.
G24
with lifting solenoid 24 V DC; 3.5 W; 100% duty
cycle; IP42.
W220
with lifting solenoid 230 V AC; 5.5 VA; 100% duty
cycle; IP42.
P
with lift cylinder 4 to 8 bar.
P2
with lift cylinder 1.2 to 8 bar.
Option:
Electric spring return actuator
- standard -
with 70°C release element; IP54.
M220-9/V
230 V AC; 9.2 VA; I
max
≤
2 ms
= 0.27 A.
M24-9/V
24 V AC/DC; 6.1 VA / 3.5 W;I
max
≤
2 ms
= 3.5 A.
Runtime: Opening
≈
60 s, closing
≈
21 s.
CLOSED/OPEN position indicators via limit switches for
5 A at
≤
240 V AC.
Halogen-free connection cable; 0.9 m long; 2 x 0.75 mm²
and 6 x 0.75 mm². The AMP connector plugs are
detachable.
Option:
with 100°C release element.
Enclosed
release element
