Carrier 48VL-E Installation Instructions Manual page 6

48VL-(E, F): Installation Instructions
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 NUMBER
SIZE
Small or
CPRFCURB011B00
Large
Large CPRFCURB013B00
* 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.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
HVAC unit
basepan
Sealing
Gasket
Roofcurb
Wood nailer*
Roofcurb*
Insulation
(field supplied)
A09090
B
E
A09415
A
B (small / common
IN.
base) IN. (mm)*
(mm)
14 (356) 10 (254)
14 (356) 14 (356)
Fig. 5 – Roof Curb Dimensions
G C
F
A
D
SMALL/COMMON CURB
SUPPLY
AIR
RETURN
AIR
UNIT PLACEMENT ON
SMALL OR LARGE BASE UNIT
C D
B (large base)
IN. IN.
IN. (mm)*
(mm) (mm)
47.8
14 (356) 16 (406)
(1214)
6
B Dashed lines show cross support
location for large basepan units.
H
SMALL
BASE
UNIT
LARGE
BASE
UNIT
COMMON CURB
E F
G
IN. IN.
IN. (mm)
(mm) (mm)
32.4
30.6 (778)
(822)
2.7 (69)
43.9
42.2 (1072)
(1116)
E
A09413
A09094
A09414
H
IN. (mm)
46.1 (1170)