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LARGE CURB
UNIT
CATALOG
SIZE
NUMBER
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.
A
B (small / common
IN.
base)
(mm)
IN. (mm)*
14
10 (254)
(356)
14
14 (356)
(356)
Fig. 5 - - Roof Curb Dimensions
SMALL/COMMON CURB
SUPPLY
RETURN
SMALL OR LARGE BASE UNIT
B (large
C
D
base)
IN.
IN.
IN. (mm)*
(mm)
(mm)
16
47.8
14 (356)
(406)
(1214)
6
AIR
AIR
UNIT PLACEMENT ON
COMMON CURB
E
F
G
IN.
IN.
IN. (mm)
(mm)
(mm)
32.4
30.6 (778)
(822)
2.7 (69)
46.1 (1170)
43.9
42.2 (1072)
(1116)
SMALL
BASE
UNIT
LARGE
BASE
UNIT
A180216
H
IN. (mm)
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