Part #462103
INSTALLATION INSTRUCTION SUPPLEMENT
Sleeve Extensions
Refer to:
‘Installation Instructions for FD, DFD, SSFD, & KFD Models’
(Part #452763)
or
FD & DFD Series
11/2 Hour Curtain Fire Dampers and
‘Installation Instructions for FSD-XXX, DFD-XXX, CFSD-XXX,
SSFSD-XXX Series Fire & Combination Fire Smoke Dampers’
(Part #461336)
FSD Series
Combination Fire Smoke Dampers
or
‘Installation Instructions for FD & DFD 150X Series Curtain
Fire Dampers’ (Part #453946) for additional details.
Application
Factory installed sleeves may need to be extended in the
field. This supplemental installation instruction provides
details for attachment of the sleeve extension. Consult
Authority Having Jurisdiction (AHJ) for approval.
“UL CLASSIFIED (see complete marking on
product)”
“UL CLASSIFIED to Canadian safety standards
(see complete marking on product)”
Standard 555 (Listing #R13317)
Standard 555S (Listing #R13447)
Notes (refer to Figure 1)
1. Sleeve extension must be same material and gage as
factory sleeve.
2. The inside dimensions of the sleeve extension must be
the same dimensions as the outside dimensions of the
factory sleeve.
3. Sleeve extension must overlap the factory sleeve a
minimum of 1 in. (25mm).
Fire Rated Partition
4. All four sides of the sleeve extension must be attached
to the factory sleeve. Attachments must be spaced a
maximum of 6 in. (152mm) on center and a maximum of 2
in. (51mm) from corners. A minimum of 2 attachments per
side (8 per damper) are required. One of the methods of
attachment shown below must be used.
Minimum 1 in.
Overlap
- tack or spot welds
- #10 sheet metal screws
-
-
1/4 in. (6mm) bolts and nuts
3/16 in. (4.7mm) steel pop rivets
Fire or Fire Smoke
Damper
5. Products with a smoke rating (FSD models) require
that the joint between the two sleeves be sealed with
a continuous bead of General Electric 1200 silicone
construction adhesive or Recognized silicone Type
RTV732 by Dow Corning.
6. Sleeve extensions can be made to either end of the
factory sleeve. However, the total sleeve length cannot
extend more then 16 in. (406mm) on the actuator side
and not more than 6 in. (152mm)on the non-actuator side.
Factory Sleeve
Sleeve
Extension
7. The joint created by the factory sleeve and sleeve
extension cannot be in the plane of the partition.
Figure 1:
Sleeve extension detail.
Copyright© 2008 Greenheck Fan Corporation
462103 Sleeve Extensions Rev. 3 March 2007
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