13"*
44
"
5
/
16
13"*
Roof opening for
supply duct
0"
Roof Opening Detail
R/A
Gasket around
duct
Insulated
desk pan
Gasket inner
flange
ACCESSORY DIMENSIONS
0" 0"
28
"
3
/
4
Roof opening for
return duct
Outline of
roofcurb
*Roof opening dimensions shown are
for standard ductwork. If concentric duct
is used, adjust per manufacturers
instructions.
Flashing Detail
S/A
Gasket outer
flange
44
5
/
End
Return opening
(11" X 16
"-clear)
1
/
2
outer flange
Flashing field
supplied
Roofing material
field supplied
Cant strip
field supplied
NOTES:
1. Roof curb must be setup for unit being installed.
2. Seal strip (gasket) must be applied as required.
3. Dimensions are in inches.
4. Attach ductwork to flanges of the curb.
5. R/A = Return Air & S/A = Supply Air
—11—
Supply opening
(11" x 16
1
/
28
3
/
"
4
"
16
Long
Support
11" Typ.
17
"
3
/
8
Short
Support
Long
Support
Insulated
deck pan
HVAC unit
base
Gasketing
inner flange*
*Gasketing
Wood nailer*
Insulation (field
supplied)
Duct work
field supplied
Roof
*Provided with roofcurb
"-clear)
2
Side
Roofcurb*