Greenheck FD Series Owner's manual

Application
Factory installed sleeves may need to be extended in the field. This supplement covers the following applications:
• When the factory sleeve extends all the way through the rated barrier (Figure 1)
• When the factory sleeve ends in the plane of the rated barrier (Figure 2).
Figure 1: Factory sleeve extends all the way
through the rated barrier.
Fire or Fire Smoke
Damper
Fire Rated Partition
Factory Sleeve
Minimum 1 in.
Overlap
Sleeve
Extension
Refer to:
‘Installation Instructions for FD, DFD, DFD X series, and FD
X series Fire Damper Models’ (Part #481324)
or
‘Installation Instructions for FSD-XXX, DFD-XXX, and
SSFSD-XXX Series Fire & Combination Fire Smoke
Dampers’ (Part #481318) for additional details.
This supplemental installation instruction provides details for attachment of the sleeve extension. Consult Authority
Having Jurisdiction (AHJ) for approval.
Notes
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.
Factory Sleeve Sleeve Extension
Connecting Joint of Sleeves
See notes 4,5, and 7 Fire or Combination Fire
Smoke Damper
Figure 2: Factory sleeve ends in the plane of the rated
barrier.
®
Sleeve Extensions 1
®
Document 462103
Sleeve Extensions
Installation Instruction Supplement
FD & DFD Series Fire Dampers
and FSD Series
Combination Fire Smoke Dampers

3. Sleeve extension must overlap the factory sleeve a minimum of 1 in. (25 mm).
4. All four sides of the sleeve extension must be attached to the factory sleeve. Attachments must be spaced
a maximum of 6 in. (152 mm) on center and a maximum of 2 in. (51 mm) 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.
• tack or spot welds
• #10 sheet metal screws
• ¼ in. (6 mm) bolts and nuts
•
3⁄16 in. (4.7 mm) steel pop rivets
5. Products with a smoke rating (FSD models) require that the joint between the two sleeves be sealed. Approved
caulks include:
• G.E. 1200 series silicone construction adhesive
• Component Hardware Group (QMFZ2) silicone SLT-5000 or SLT-5200
• Silico (QMFZ2) silicone SB or CH (E224060)
• Dow Corning (QMFZ2) silicone SLT-5200 (E40195)
• Dow R/C (QMFZ2) silicone Type RTV732.
Approved duct sealants include:
• Precision PA2084T duct sealant adhesive
• Design Polymerics DP1010 water base duct sealant
• Grey Pookie
• Ductmate PROseal®
• CL Ward S seal
6. Sleeve extensions can be made to either end of the factory sleeve. However, the total sleeve length cannot
extend more then 16 in. (406 mm) on the actuator side and not more than 6 in. (152 mm) on the non-actuator
side.
7. The joint created by the factory sleeve and sleeve extension cannot be in the plane of the partition.
462103 • Sleeve Extensions, Rev. 9, January 2022 Copyright 2022 © Greenheck Fan Corporation2
®
Phone: [phone] • Fax: [phone] • Parts: 800.355.5354 • E-mail: [email protected] • Website: www.greenheck.com
As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications
without notice.
Product warranties can be found online at Greenheck.com, either on the specific product page or in the
literature section of the website at Greenheck.com/Resources/Library/Literature.
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