Greenheck Fan Ventilation Hood 468769 User Manual

Part number 468769  
Drive Slip Breakaway Connection  
INSTALLATION INSTRUCTION SUPPLEMENT  
Refer to:  
‘Installation Instructions for FD, DFD, SSFD, SSDFD, &  
KFD Series Curtain Fire Dampers’ (Part #452763)  
or  
‘Installation Instructions for FD and DFD 150X Series  
Curtain Fire Dampers’ (Part #453946)  
or  
‘Installation, Operation and Maintenance Instructions  
for SMD-XXX, SESMD-XXX, SSSMD-XXX Series  
Smoke Dampers’ (Part #461338)  
or  
“UL CLASSIFIED  
(see complete marking on product)”  
“UL CLASSIFIED to Canadian safety standards  
(see complete marking on product)”  
Standards UL 555 & 555S  
Classifications Filed at UL under Listing #R13317  
‘Installation, Operation and Maintenance Instructions  
for FSD-XXX, SSFSD-XXX, DFD-2XX, & CFSD-XXX  
Series Fire & Combination Fire Smoke Dampers’ (Part  
#461336) for additional details.  
Sleeve  
S-slip  
Greenheck drive slip connections (S & Drive) are used on  
the side of the hemmed sleeves and the S-slip joints are  
used on the top and bottom. Standard drive slips are UL  
tested breakaway connections on dampers 20 in. (508mm)  
high and less.  
Installation  
Greenheck Dampers may be supplied with factory hemmed  
20 ga. (1mm) sleeve for use with drive slip and s-slip joints.  
Sleeves and duct may be field hemmed by folding back the  
vertical sides a maximum of 1/2 in. (13mm) (as shown in  
Figure 1) to accommodate the 1 in. (25mm) wide drive slip.  
Join damper sleeve to duct at top and bottom sides using  
any s-slip (See Figure 2).  
Drive slip  
Drive slip connection is used to connect the vertical sides  
of the damper sleeve to the duct. Cut a length of drive slip  
connection a maximum of 4 in. (102mm) longer than the  
vertical duct dimension. Guide the drive slip connection  
onto the side members securing it over the hemmed edges  
until the connection extends beyond the top and bottom  
sides of the damper sleeve/ duct. The extra length should  
be hammered flat overlapping all four corners.  
Duct  
Figure 1  
S-slip  
%VDU  
%SJWFꢀ4MJQ  
4MFFWF  
Sleeve  
Duct  
7FSUJDBMꢀ4JEFTꢀ%VDUꢀ  
UPꢀTMFFWFꢀDPOOFDUJPO  
Top and Bottom  
Duct to Sleeve Connection  
Figure 3  
Figure 2  
Copyright © 2007 Greenheck Fan Corporation  
#468769 Drive Slip Breakaway Connection Rev. 2 December 2007  
 

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