Greenheck FSD-212 User Manual page 5

Application Data
Damper Sleeve Dimensional Data
The drawings below and corresponding table show the position of the FSD-212 damper when mounted in a factory sleeve. The
standard mounting locations provide enough space for the mounting of actuators, controls and allow space for installation of
retaining angles and duct connections.
The standard location of a damper mounted in a factory sleeve ("A" dimension) is shown below. The damper can be
positioned at other locations within a range of 6 in. (152mm) to 12 in. (305mm) for the "A" dimension.
LH
Right hand drive is shown
Left hand drive available upon request
Damper Sizing Information
Dampers larger than maximum single section size are supplied as a factory assembly of two or more sections of equal size. The
following figures show maximum damper section size and assembly configurations for multi-section dampers.
Single Section
50 in.
(1270mm)
3 3 / "
4
6"
Varies
5 / "
3
8
RH
A
Sleeve Length
T*
S
Double Section
B*
32 in. (813mm)
1 1 /2" max.
All Dampers*
When H is 11 in. (279mm) or less
with OCI, RRL, or TOR
*With the exception of dampers 10 in. high (254mm) or less.
NOTE: Entire damper frame is not required to be installed
within the wall. The damper blades, when closed should be
contained within the wall.
5"
50 in.
(1270mm)
32 in. (813mm)
FSD-212
in. (mm)
Standard
7 ⁄ (183)
3
16
12 (305)
64 in. (1626mm)
"A" Dimension
Maximum
12 (305)
12 (305)
50 in.
(1270mm)