Bryant 677C--A Roof Curb Dimensions, Small Curb, Roof Curb Detail, Large Curb

Models: 677C--A

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SMALL CURB

 

 

 

HVAC unit

HVAC unit

base rails

basepan

 

 

 

 

ROOF CURB DETAILLARGE CURB Sealing

Gasket

Roofcurb

Fig. 4 - Roof Curb Dimensions677C--Manual backgroundManual background BManual background

C

F

Anchor screwManual background

Flashing field supplied

Roofing material field supplied

Cant strip field supplied

Manual background Wood nailer*

Manual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual background Roofcurb*

Insulation

Manual backgroundManual backgroundManual backgroundManual backgroundManual background(field supplied)

A

E

D

SMALL CURB

A09110

-- A

*Provided with roofcurb

A09090

ROOF CURB DETAIL

Manual backgroundManual backgroundManual backgroundManual background B

C

F

A

E

D

 

LARGE CURB

 

A09095

 

 

 

 

 

 

 

 

 

 

A09111

 

 

 

 

 

 

 

 

UNIT SIZE

CATALOG

A

B

C

D

E

F

NUMBER

IN. (mm)

IN. (mm)*

IN. (mm)

IN. (mm)

IN. (mm)

IN. (mm)

 

 

 

 

 

 

 

 

 

Small

CPRFCURB010A00

11 (279)

10 (254)

 

 

32.4 (822)

 

 

 

 

 

 

CPRFCURB011A00

14 (356)

16 (406)

47.8 (1214)

2.7 (69)

 

 

 

 

 

 

 

 

Large

CPRFCURB012A00

11 (279)

14 (356)

43.9 (1116)

 

 

 

 

 

 

 

 

CPRFCURB013A00

14 (356)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

IMPORTANT: Do not install large base pan HYBRID HEAT

literature dimensional drawing to ensure that “Y” is greater than 14

units onto the small base pan (common curb). The center of gravity

in. (356 mm). Do not install any large base pan unit onto the

on a large base pan HYBRID HEAT unit could overhang the curb

common curb with a “Y” dimension (center of gravity) less than 14

causing an unsafe condition. Before installing any large base pan

in. (356 mm).

unit onto the common curb, check the “Y” distance in the product

Fig. 4 - Roof Curb Dimensions

5

677C--

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Bryant 677C--A installation instructions Roof Curb Dimensions, Small Curb, Roof Curb Detail, Large Curb