Carrier G Series - A09414; 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.

PGD4, PGS4, Series G, H WPG4 Series D, H Ultra Low NOx: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
8
A09414
* Part Number CPRCURB011B00 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. (25.4 mm) thick fiberglass 1 lb. density.
Fig. 7 – Roof Curb Dimensions
UNIT
SIZE
CATALOG NUMBER
A
IN.
(mm)
B (small / common
base) IN. (mm)*
B (large base)
IN. (mm)*
C
IN.
(mm)
D
IN.
(mm)
E
IN.
(mm)
F
IN.
(mm)
G
IN. (mm)
H
IN. (mm)
Small or
Large
CPRFCURB011B00 14 (356) 10 (254)
14 (356) 16 (406)
47.8
(1214)
32.4
(822)
2.7 (69)
30.6 (778)
46.1 (1170)
Large CPRFCURB013B00 14 (356) 14 (356)
43.9
(1116)
42.2 (1072)
RETURN
AIR
SMALL
BASE
UNIT
SUPPLY
AIR
LARGE
BASE
UNIT
UNIT PLACEMENT ON
COMMON CURB
LARGE CURB
SMALL OR LARGE BASE UNIT
SMALL/COMMON CURB
ROOF CURB DETAIL
Wood nailer*
Roofcurb*
Insulation
(field supplied)
*Provided with roofcurb
Cant strip
field supplied
Roofing material
field supplied
Flashing field
supplied
HVAC unit
base rails
Roofcurb
Sealing
Gasket
HVAC unit
basepan
Anchor screw
A09090
A09413
A09094
A09415
C
B
A
F
D
E
Dashed lines show cross support
location for large basepan units.
G
H
C
B
A
F
D
E
G
H