User Manual 5.32 (2018-05) 33
Subject to change
Series EK92
Installation
•
EK90 smoke control dampers, series EK92, must
be installed and operated in accordance with
this user manual and in compliance with all other
regulations.
In addition, smoke control dampers must be installed
tension-free and appropriately aligned.
Air flows in the smoke extraction ducts must not
adversely affect the torques acting on the damper
blade by the motor.
Installation can be performed in a horizontal or vertical
axis position.
Casings should be installed in installation openings
in walls such that they lie largely flush on the bot
-
tom side. If remaining gaps are filled with mineral
wool, a melting point of ≥ 1000°C must be verified
for this. Shear protection brackets should be installed
accordingly.
Structural requirements and concerns, as well as rele
-
vant manufacturer's specifications, should be verified
and observed by the customer.
•
Smoke control dampers for outside air supply must
be installed such that heavy moisture penetration is
avoided, in particular in the event of frost exposure.
•
Assembly, electrical wiring, connections etc. must be
produced on site.
•
Smoke extraction ducts and electrical equipment must
be suitable, and must be correctly installed and con-
nected.
•
Inspection openings must be provided on site in the
smoke extraction ducts if necessary.
Functional testing/servicing
•
In accordance with German regulations, smoke extrac
-
tion systems must be serviced and kept ready for oper-
ation by the owner. The smoke control dampers must
be tested for correct functioning at six-month intervals.
If successive tests are passed without any defects, the
next text may be carried out after one year.
•
Operating instructions
for the EK90 smoke control
dampers, Series EK92, are available on the Internet at
www.wildeboer.de.
In general, actuating (closing and opening) the smoke
control dampers is sufficient in testing the function.
This can be performed by means of remote actuation.
EK90 smoke control dampers do not generally require
any maintenance work.
The cleaning of smoke extraction systems should be
performed in an operation-dependent manner, and
also includes the smoke control dampers.
Repairs or service work are required in the event of
malfunctions.
Original spare parts must be used.
•
EK90 smoke control dampers, Series EK92, are suit
-
able for smoke extraction systems and for combined
systems for smoke extraction and building ventilation.
They supersede the former EK90 smoke control damp-
ers in accordance with approval Z-78.2-7 and EK90
smoke control dampers with ventilation function in
accordance with approval Z-78.3-104.
•
EK90 smoke control dampers, series EK92, in
sys-
tems only for smoke extraction
are usually closed.
In the event of fire, all of them or only those required
can be opened from the outset. As the fire develops
and smoke is released, other ones can be opened and
the previously opened ones can be closed again.
•
EK90 smoke control dampers, Series EK92, required
for building ventilation in
combined systems for
smoke extraction and building ventilation
are usual-
ly opened, whereas others are closed.
In the event of fire, the smoke control dampers required
for smoke extraction are opened or are kept open,
while others are closed or remain closed.
•
As the fire develops and smoke is released, other
EK90 smoke control dampers, series EK92, can be
opened and previously opened ones can also be
closed.The function with HOT classification is verified.
•
EK90 smoke control dampers, series EK92, can still be
opened 25 minutes after the onset of full fire exposure.
The function with MA classification is verified.
Function of smoke extraction systems with EK90 smoke control damper, Series EK92
EK90 smoke control dampers
Function in smoke extraction systems - installation - functional testing/servicing