HVAC unit | HVAC unit |
base rails | basepan |
| Sealing |
| Gasket |
| Roofcurb |
Anchor screw | Wood nailer* |
Flashing field |
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supplied | Roofcurb* |
| Insulation |
Roofing material | (field supplied) |
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field supplied |
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Cant strip |
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field supplied |
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*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
607C-- -- A
ROOF CURB DETAIL
B
C
G
H F A 
D
LARGE CURB
E
A09415
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| SUPPLY |
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| AIR |
| UNIT |
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| LARGE |
RETURN | BASE |
AIR | UNIT |
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UNIT PLACEMENT ON
COMMON CURB
A09094
SMALL OR LARGE BASE UNIT
A09414
Fig. 4 - Roof Curb Dimensions
UNIT | CATALOG | A | B (small/common | B (large base) | C | D | E | F | G | H | |
IN. | base) | IN. | IN. | ||||||||
SIZE | NUMBER | IN. (mm)* | IN. (mm) | IN. (mm) | IN. (mm) | IN. (mm) | |||||
(mm) | IN. (mm)* | (mm) | (mm) | ||||||||
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Small | CPRFCURB010A00 | 11 (279) |
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or |
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| 10 (254) |
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| 32.4 (822) |
| 30.6 (778) |
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Large | CPRFCURB011A00 | 14 (356) |
| 14 (356) | 16 (406) | 47.8 (1214) |
| 2.7 (69) |
| 46.1 (1170) | |
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Large | CPRFCURB012A00 | 11 (279) | 14 (356) |
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| 43.9 (1116) |
| 42.2 (1072) |
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CPRFCURB013A00 | 14 (356) |
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*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
4. Attach ductwork to curb (flanges of duct rest on curb).
5. Insulated panels:
5