Greenheck DFD-M210 User Manual
Model DFD-M210
R
Application
Model DFD-M210 is a multi-blade fire damper with 3V style blades.
The DFD-M210 has been qualified to 10.2 m/s (2000 fpm) and 1.0kPa
(4 in. wg.) for operation and dynamic closure in emergency fire
situations. Model DFD-M210 may be installed vertically (with blades
running horizontal) or horizontally and is rated for airflow in either
direction.
Model DFD-M210 has also been tested in accordance with BS476 to
4 hours at Warrrington Fire, UK, and is approved for fire partitions of 4
hours or less where British Standards are required.
Ratings
UL 555 Fire Resistance Rating
Fire Rating: 1
Dynamic Closure Rating: Actual limits are size dependent
Maximum Velocity: 20.3 m/s (4000 fpm) up to
813mm x 1270mm( 32 in. x 50 in.)
10.2 m/s (2000 fpm)sizes greater
than that.
Maximum Pressure: 2.5 kPa (10 in. wg)
BS476 Fire Resistance Rating
Fire Rating: 4 hours
Construction Standard Optional
Frame Material Galvanized steel -
Frame Material
Thickness
Frame Type 127mm x 25mm
Blade Material Galvanized steel -
Blade Material
Thickness
Blade Type 3V -
Linkage Plated steel out of
airstream, concealed
Axle Bearings Bronze -
Axle Material Plated steel -
Jamb Seals 304SS -
Closure Device Fusible link -
Closure Temperature
69°C (155°F) BS476 -
Actuator Manual quadrant -
W x H Minimum Size
mm 203 x 152 914 x 914 or
Inches 8 x 6 36 x 36 or 32 x 50 64 x 50
Installation instructions available at www.greenheck.com
1
⁄2 Hours
1.5mm
(16 ga.)
(5 in. x 1in.)
hat channel
1.5mm
(16 ga.)
in jamb
74°C (165°F) UL 100°C (212°F),
-
-
-
-
141°C (286°F),
177°C (350°F)
UL
Maximum Size
Single Section Multi-Section
813 x 1270
1626 x 1270
Multi-Blade FIRE DAMPER
Steel 3V Blades
UL555 11/2 Hour Fire Resistance Rating
4 hour Fire Resistance Rating (BS476)
Model DFD-M210 is intended for installation in
accordance with fire damper requirements
established by:
National Fire Protection Association
NFPA Standards 80, 90A & 101
IBC International Building Codes
British Standard BS476
Tested to 4 hours at Warrington Fire, UK
“UL CLASSIFIED (see complete marking on
product)”
“UL CLASSIFIED to Canadian safety standards
(see complete marking on product)”
Standard 555 (Listing #R13317)
Greenheck Kunshan Co. Ltd. and Greenheck Fan
Corporation certifies that the model DFD-M210
shown herein is licensed to bear the AMCA
Seal. The ratings shown are based on tests and
procedures performed in accordance with AMCA
Publication 511 and comply with the requirements
of the AMCA Certified Ratings Programs. The
AMCA Certified Ratings Seal applies to air
performance ratings only.
W
RH
LH
* W & H dimensions furnished approximately 6mm (1/4 in.) undersize.
(Add sleeve thickness for overall sleeved damper dimension)
Features
• Frames are constructed with reinforced corners. Low
profile head and sill are used on sizes less than 432mm
(17 in.) high.
• Blades are reinforced with 3 longitudinal structurally
designed vee's.
Options
• Extra Fusible Links
• Flanges
• OCI (Open Closed Indication switches)
• POC retaining angles
• Sleeves
• Transitions (R, C)
H
Pressure Drop Data DFD-M210
5D 6D
5D
D
4 (W) (H
)
3.14
This pressure drop testing was conducted in accordance with AMCA Standard 500-D using the three configurations shown. All
data has been corrected to represent standard air at a density of 1.201 kg/m3.
Actual pressure drop found in any HVAC system is a combination of many factors. This pressure drop information along with an
analysis of other system influences should be used to estimate actual pressure losses for a damper installed in a given HVAC
system.
AMCA Test Figures
Figure 5.3 Illustrates a fully ducted damper. This configuration has the lowest pressure drop of the three test configurations
because entrance and exit losses are minimized by straight duct runs upstream and downstream of the damper.
Figure 5.2 Illustrates a ducted damper exhausting air into an open area. This configuration has a lower pressure drop than
Figure 5.5 because entrance losses are minimized by a straight duct run upstream of the damper.
Figure 5.5 Illustrates a plenum mounted damper. This configuration has the highest pressure drop because of extremely high
entrance and exit losses due to the sudden changes of area in the system.
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