Due to continuous product development Advanced Air (U.K.) Ltd
reserves the right to change any information without prior notice.
Burrell Way,
Thetford, Norfolk,
IP24 3QU, England
Tel: +44 (0) 1842 753624
Fax: +44 (0) 1842 762032
Email: [email protected]
2500 Series
Fire Smoke Dampers
Date
Issue
Spec. No.
Page No.
04/03/14 Rev 2 CE –FSD Sub
PATENT APPLIED FOR
AFS Drywall 2 Hour - 120
(P
ATENT
P
ENDING
)
Maintenance Procedure
These dampers are installed as a life-safe product and will require regular physical and visual examinations. It is essential
that that the assembly is kept in a clean, dust free condition at all times.
It is essential that an access door has been provided in the adjacent ductwork to facilitate the inspection and maintenance.
Ensure that no physical restriction of the blades has occurred during the installation process.
Remove any dirt or debris built up in the damper, apply a little WD lubricant or light oil, any excessive oils should be wiped
away.
Check the operation of any ancillary products that may be fitted.
Examine the fusible link to ensure that no corrosion has occurred and that the plates are free from distortion and are in good
condition to operate when required.
Close the blade pack by manual operation and examine the blades to ensure;
They are in the fully closed position and have located in the ramps.
They are all position in the frame correctly i.e. square to the frame.
They are all in a clean condition.
The period between maintenance checks can best be ascertained by system conditions or as directed by local regulations for
ventilation plant and ancillaries, but should not exceed a maximum interval in excess of twelve months.
The report should be completed following the Maintenance Procedure included within this document.
Pre Installation Notes
1. Ensure that the damper is kept in a clean
dry environment and that there is no damage to the
damper.
2.
Remove all packaging and transit ties before
installation.
Installation Procedure
1. The Drywall which will consist of two layers of 15mm
plasterboard each side of steel studwork with a 50mm
Rockwool insulation. The opening will be a letterbox
construction with overlapping layers of plasterboard
with an opening clearance of 25mm (min) - 100mm
(max) all around the fire damper casing (barrier
contractor).
2. Two M10 drop rods shall be fitted each side of the wall
fixed by steel anchors into the slab or soffit above.
3. The access side of the damper (denoted by extended
spigot with actuator) must always be installed flush with
the surface of the dry wall.
4. The gap between the damper and the wall opening will
need filling in with at least 2 layers of 140kg/m3 50mm
Firebatt cut to interference fit and pushed in place.
5. The ductwork connecting to the damper spigots must
overlap by 40mm, leaving a 10mm clearance for any
duct expansion in a fire situation.
6. All ductwork connections must be sealed with an
approved ductwork sealer, and fixed with low
resistance fixings such as: aluminium alloy rivets or
nylon bolts.
7. All connecting ductwork must be independently
supported within 1meter of the connections.
Installation & Maintenance Instructions
10
