Fig. 4a— roof curb dimensions – Carrier SINGLE PACKAGED ELECTRIC COOLING UNITS 50GX User Manual
Page 5

Fig. 4A— Roof Curb Dimensions
UNIT SIZE
ODS CATALOG NUMBER
A
IN. (MM)
B
IN. (MM)
C
IN. (MM)
D
IN. (MM)
50GS018-042
50GX024-036
CPRFCURB006A00
8 (203)
11(279)
16-1/2 (419)
28-3/4 (730)
CPRFCURB007A00
14 (356)
11(279)
16-1/2 (419)
28-3/4 (730)
50GS048-060
50GX042-060
CPRFCURB008A00
8 (203)
16-3/16 (411)
17-3/8 (441)
40-1/4 (1022)
CPRFCURB009A00
14 (356)
16-3/16 (411)
17-3/8 (441)
40-1/4 (1022)
NOTES:
1. Dimensions in ( ) are in millimeters.
2. Roof curb is made of 16-gage steel.
3. Table lists only the dimensions per part number that have changed
4. Insulated panels: 1-in. thick fiberglass 1 lb. density.
C00076
Gask et around
outer edge
Insulated
deck
pan
Gask et around
duct
S/A
R/A
HVAC
unit
base
*Gask eting
outer flange
Flashing field
supplied
Roofing material
field supplied
Cant str ip
field supplied
*Provided with roofcurb
Roof
Duct wo rk
field supplied
Insulation (field
supplied)
Roofcurb*
Wood nailer*
Gask eting
inner flange*
Scre w
(NO TE A)
Roof Curb for Small Cabinet
Note A: When unit mounting scre w is used
,
retainer bra cke t must also be used.
HVAC unit
base
*Gask eting
outer flange
Flashing field
supplied
Roofing material
field supplied
Cant str ip
field supplied
*Provided with roofcurb
Roof
Duct wo rk
field supplied
Insulation (field
supplied)
Roofcurb*
Wood nailer*
Gask eting
inner flange*
Scre w
(NOTE A)
Roof Curb for Large Cabinet
Note A: When unit mounting scre w is used
,
retainer bra cket
must also be used.
A
B Typ.
Supply opening
(B x C)
Long
Support
D
44
5
/
16
"
Return opening
(B X C)
Insulated
deck pan
Short
Support
C Typ.
5
→