Carrier 50VL---A Roof Curb Dimensions, 50VL--A, Large Curb, Small/Common Curb, Roof Curb Detail

HVAC unit	HVAC unit
base rails	basepan
	Sealing
	Gasket
	Roofcurb
Anchor screw	Wood nailer*
Flashing field
supplied	Roofcurb*
	Insulation
Roofing material	(field supplied)
field supplied
Cant strip
field supplied

*Provided with roofcurb

A09090

B

G C

F H

A

D

SMALL/COMMON CURB

Dashed lines show cross support location for large basepan units.

E

A09413

50VL-- A

ROOF CURB DETAIL

B

C

G

H F A

D

LARGE CURB

E

A09415

	SMALL
SUPPLY
	BASE
AIR	UNIT

	LARGE
RETURN	BASE
AIR	UNIT

UNIT PLACEMENT ON

COMMON CURB

A09094

SMALL OR LARGE BASE UNIT

A09414

UNIT	CATALOG	A	B	B	C	D	E	F	G	H
			(small/common
		IN.		(large base)	IN.	IN.	IN.	IN.
SIZE	NUMBER		base)						IN. (mm)	IN. (mm)
		(mm)		IN. (mm)*	(mm)	(mm)	(mm)	(mm)
			IN. (mm)*
Small	CPRFCURB010A00	11
		(279)					32.4
or			10 (254)				(822)		30.6 (778)
Large	CPRFCURB011A00	14
		(356)		14 (356)	16	47.8		2.7		46.1 (1170)
					(406)	(1214)		(69)
	CPRFCURB012A00	11
Large		(279)	14 (356)				43.9		42.2 (1072)
							(1116)
	CPRFCURB013A00	14
		(356)

*Part Numbers CPRCURB010A00 and CPRCURB011A00 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.

Fig. 4 - Roof Curb Dimensions

5