Greenheck Fan Ventilation Hood 462103 User Manual

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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