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
577D
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
UNIT | CATALOG | A | B (small / common | B (large | C | D | E | F | G | H | |
IN. | base) | base) | IN. | IN. | IN. | IN. | |||||
SIZE | NUMBER | IN. (mm) | IN. (mm) | ||||||||
(mm) | IN. (mm)* | IN. (mm)* | (mm) | (mm) | (mm) | (mm) | |||||
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Small | CPRFCURB010A00 | 11 |
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(279) |
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| 32.4 |
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or |
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| 10 (254) |
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| 30.6 (778) |
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Large | CPRFCURB011A00 | 14 |
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(356) |
| 14 (356) | 16 | 47.8 |
| 2.7 (69) |
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| (406) | (1214) |
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| CPRFCURB012A00 | 11 |
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Large | (279) | 14 (356) |
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CPRFCURB013A00 | 14 |
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NOTES: |
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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:
Fig. 4 - Roof Curb Dimensions
4
