Greenheck Fan Ventilation Hood DFD 155 User Manual

Model DFD-155  
Dynamic Rated FIRE DAMPERS  
100% Free Area - Sealed for High Pressure Systems  
112 Hour Fire Resistance Rating  
Application  
Model DFD-155 is approved for use in walls, floors and  
partitions with fire resistance ratings less than 3 hours.  
This model carries a 112 hour UL fire damper label. UL  
555 classifies dynamic rated fire dampers for use in HVAC  
systems that are operational in the event of fire .  
Model DFD-155 meets the requirements for fire dampers  
established by:  
National Fire Protection Association  
(NFPA Standards 80, 90A & 101)  
BOCA National Building Codes  
Ratings  
IBC International Building Codes  
ICBO Uniform Building Codes (UBC Standard 43-7)  
SBCCI Standard Building Codes  
New York City (MEA listing #260-91-M)  
California State Fire Marshal (Listing #3225-981:102)  
UL555 Fire Resistance Rating  
Fire Rating: 1 1/2 hours  
Dynamic closure rating  
Maximum Velocity: 4000 fpm (20.3 m/s) vertical mount only,  
up to 24 in. x 24 in. (610mm x 610mm)  
2000 fpm (10.2 m/s) vertical or horizontal  
mount, on all sizes.  
“UL CLASSIFIED (see complete marking on product)”  
“UL CLASSIFIED to Canadian safety standards (see  
complete marking on product)”  
Maximum Pressure: 4 in wg (1 kPa)  
Standard 555 (Listing #R13317)  
Construction  
Galvanized steel (in gauges required by UL listing R-13317)  
Installation  
All fire damper installations require the use of sleeves,  
angles and methods described in Greenheck Fire Damper  
Installation Instructions #452763, included with every damper  
shipment. Sleeves can be field fabricated or factory furnished  
as a complete damper/sleeve assembly. See Factory Sleeve  
Option below for details.  
W*  
Fusible Link (replaceable)  
)
Stainless Steel  
Closure Spring  
[100ºC]available)  
[74ºC]Standard (212º  
165ºF  
H*  
“Kside  
HORIZONTAL MOUNT  
Features  
• Stainless steel closure springs  
• Fusible links - 165ºF (74ºC) standard, 212ºF (100ºC)  
311/16"  
VERTICAL  
(94mm)  
and 286ºF (141ºC) available  
• Horizontal or vertical mount available  
• Sealed for use in high pressure systems  
These dimensions are furnished approximately 1/4in. (6mm) undersize, except  
round and oval dimensions which are 1/8 in. (3mm) undersize. (Add sleeve  
thickness for overall sleeved damper dimension)  
*
Optional Features  
• Security bars  
W*+ 2 in.  
W*+ 2 in.  
D*+ 2 in.  
• One piece retaining angle (POC)  
Tranhhsitions (C, CO, CR, & R)  
O*  
O*  
O*  
H*  
H*  
1
2
21/2 in.  
2
/
in  
.
1
2
/
2
in.  
*
W
W*  
D*  
6 in.  
Max.  
6 in.  
Max.  
6 in  
Max.  
TYPE CR  
TYPE CO  
TYPE C  
Sleeve  
Factory Sleeve Option  
DFD-155 Fire Dampers are available in factory furnished sleeves. Sleeves are  
galvanized steel and are available in 10 thru 20 ga.(1mm - 3.5mm) thicknesses and  
lengths up to 36 in. (914mm).  
“K” dimension specifies location of damper within the sleeve. Minimum is 4 in.  
(102mm), maximum is L” less 4 in. (102mm), which allows for mounting angle  
installation and duct connection at each end of sleeve. If “K” dimension is not  
specified, it will be provided as one half of “L” dimension (damper centered in  
sleeve).  
Damper  
H*  
Horizontally mounted dampers must be installed with the “K” dimension on the  
bottom side.  
K
Damper  
Location  
C Damper Frame  
L
W*  
Note: If using access doors, the doors should be installed on the “K” side of the  
damper.  
L
Overall Sleeve Length  
 

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