Greenheck FD Installation, Operation And Maintenance Instructions page 4

Horizontal mount without factory
mounted sleeve
See Section 2
"K" side
See Section 2
Damper
Type A
See Section 2
"K" side
See Section 2
Damper
Type B
"K" side
On types R & CR
factory furnished
duct collar quali-
fies as breakaway
connection, see
Section 5
Type C, CO, CR, & R
When dampers installed horizontally,
the ramp must be positioned up as
shown in above drawings.
Figure 1
4
Vertical mount with factory
Maximum
Retaining Angles
(See Section 4)
Maximum
Wall or
Floor
Sleeve
(see sections 2 & 3)
Duct
Duct
Duct
Retaining Angles
Retaining Angles
(See Section 3)
(See Section 3)
Retaining angles
(See Section 4)
Wall or
Floor
Duct
Sleeve
Retaining Angles
Duct
(See Sections 2 & 3)
(See Section 3)
Duct
On types R, CO & CR factory
furnished duct collar
qualifies as breakaway
connection.
On types R, CO & CR factory
furnished duct collar
qualifies as breakaway
connection.
Duct
Duct
Duct
On types R, CO & CR factory
Wall or
furnished duct collar
floor
qualifies as breakaway
connection.
Sleeve
Duct
When dampers installed vertically, the
blade stack must be on the top.
1/4 in. minimum
total clearance
mounted sleeve
1/4 in. minimum
total clearance
Wall or Floor
Maximum
6 in.
6 in.
Wall or Floor
Maximum
6 in.
6 in.
1/4 in. minimum
total clearance
Damper
Damper
Type A
Type A
Wall or Floor
Wall or Floor
Wall or Floor
Maximum
Maximum
6 in.
6 in.
Damper
Damper
Duct
Damper
Type B
Type A
Damper
Type B
Wall or Floor
Wall or Floor
Damper
Damper
Wall or Floor
Damper
Duct Sleeve
Sleeve
Type C, CO, CR, & R
Type B
Wall or floor
Type B2 Wall or floor
Type B2
Damper
Wall or Floor
Type C, CO, CR, & R
Damper
Type C, CO, CR, & R
Horizontal mount with factory
mounted sleeve
See Section 2
"K" side
See Section 2
Damper
Type A
See Section 2
"K" side
See Section 2 Damper
Type B
Type B2
Type B2
"K" side
On types R & CR factory
furnished duct collar qualifies
as breakaway connection, see
Section 5
Type C, CO, CR, & R
When dampers installed horizontally,
the ramp must be positioned up as
shown in above drawings.
Retaining Angles
(See Section 4)
Wall or
Floor
Sleeve
(see sections 2 & 3)
Duct
Retaining Angles
(See Section 4)
Wall or
Floor
Sleeve
(see sections 2 & 3)
Duct
Damper
Damper
Wall or floor
Wall or floor
Sleeve
Sleeve
Duct
Wall or
floor
Sleeve