Roof Curb Dimensions - Carrier PERFORMANCE 50VT-A Installation Instructions Manual

HVAC unit
base rails
Anchor screw
Flashing field
supplied
Roofing material
field supplied
Cant strip
field supplied
*Provided with roofcurb
ROOF CURB DETAIL
C
G
H
A
F
D
LARGE CURB
UNIT CATALOG
SIZE NUMBER
Small
CPRFCURB010A00
or
CPRFCURB011A00
Large
CPRFCURB012A00
Large
CPRFCURB013A00
* Part Numbers CPRCURB010A00 and CPRCURB011A00 can be used on both small and large basepan units. The cross supports must be located based on
whether the unit is a small basepan or a large basepan.
NOTES:
1. Roof curb must be set up for unit being installed.
2. Seal strip must be applied, as required, to unit being installed.
3. Roof curb is made of 16 ---gauge steel.
4. Attach ductwork to curb (flanges of duct rest on curb).
5. Insulated panels: 1 ---in. (25 mm) thick fiberglass 1 lb. density.
HVAC unit
basepan
Sealing
Gasket
Roofcurb
Wood nailer*
Roofcurb*
Insulation
(field supplied)
A09090
B
E
A09415
Fig. 4 - - Roof Curb Dimensions
A B (small/common
B (large base)
IN. base)
(mm) IN. (mm)*
11 (279)
10 (254)
14 (356)
11 (279)
14 (356)
14 (356)
G C
H
F
A
D
SMALL/COMMON CURB
SUPPLY
AIR
RETURN
AIR
UNIT PLACEMENT ON
COMMON CURB
SMALL OR LARGE BASE UNIT
C
D
IN.
IN. (mm)* IN. (mm)
(mm)
14 (356) 16 (406) 47.8 (1214)
5
Dashed lines show cross support
B
location for large basepan units.
E
A09413
SMALL
BASE
UNIT
LARGE
BASE
UNIT
A09094
F
E G
IN.
IN. (mm) IN. (mm)
(mm)
32.4 (822) 30.6 (778)
2.7 (69)
43.9 (1116) 42.2 (1072)
A09414
H
IN. (mm)
46.1 (1170)