Operating instructions

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Roof Curb for Small Cabinet
Note A:When unit mounting screw is used
retainer bracket must also be used.
Roof Curb for Large Cabinet
Note A:When unit mounting screw is used
retainer bracket must also be used.
UNIT SIZE
48GS030-042 48GX030-036
48GS048-060 48GX042-060
\
R/A
\
Insulated
deckpan
Gasket around
duct
Gasket around
outer edge _
N
\/
S/A
/\
C00076
ODS CATALOG NUMBER
CPRFCURB006A0O
CPRFCURB007AOO
CPRFCURB008A00
CPRFCURB009A00
NOTES:
1. Roof curb must be set up for unit being installed.
2. Seal etdp must be applied, as required, to unit being installed.
3. Dimensions in ( ) are in millimeters.
4. Roof curb is made of 16-gage steel.
5 Table I sts only he d mensions, per part number that have changed.
6. Attach ductwork to curb flanges of duct rest on curb.
7. nsuated panals: 1-in. hickfibergass b density.
8. Dimensions are in inches.
A
IN.(MM)
8 (203)
14 (356)
8 (203)
14 (356)
B
IN. (MM)
11(279)
11(279)
163/16 (411)
163/16 (411)
C
IN. (MM)
161/2 (419)
161/2 (419)
17 3/8 (441)
17 3/9 (441)
D
IN. (MM)
29-3/4 (730)
28-3/4 (730)
40-1/4 (1022)
40-1/4 (1022)
9. Wl_en unit mounting screw is used (see Note A), a retainer bracket must be used as well. This bracket must also be used when required by code for hurricane or
seismic conditions. This bracket is available through Micrometl.
Fig. 4---Roof Curb Dimensions