Carrier Infinity 50XT-A Installation Instructions Manual page 3

HVAC unit
base rails
Anchor screw
Flashing field
supplied
Roofing material
field supplied
Cant strip
field supplied
*Provided with roofcurb
ROOF CURB DETAIL
C
F
A
D
LARGE CURB
CATALOG
UNIT SIZE
NUMBER
CPRFCURB010A00
Small or
Large
CPRFCURB011A00
CPRFCURB012A00
Large
CPRFCURB013A00
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
A09095
A B (small base)
IN. (mm) IN. (mm)*
11 (279)
10 (254)
14 (356)
11 (279)
14 (356)
14 (356)
Fig. 4 - - Roof Curb Dimensions
C
F
A
D
COMMON CURB
SUPPLY
AIR
RETURN
AIR
UNIT PLACEMENT ON
COMMON CURB
SMALL OR LARGE BASE UNIT
B (large base) C
IN. (mm)* IN. (mm)
14 (356) 16 (406) 47.8 (1214)
3
Dashed lines show cross support
B
location for large basepan units.
E
A09096
SMALL
BASE
UNIT
LARGE
BASE
UNIT
D E F
IN. (mm) IN. (mm) IN. (mm)
32.4 (822)
2.7 (69)
43.9 (1116)
A09094
A09097