5
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 roof curb
Roof
Ductwork
field supplied
Insulation (field
supplied)
Roof curb*
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 roof curb
Roof
Ductwork
field supplied
Insulation (field
supplied)
Roof curb*
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
F
Return opening
(B X C)
Insulated
deck pan
Short
Support
C Typ.
G
E
F
G
D
E
A05308
UNIT SIZE
CATALOG
NUMBER
A
IN. (MM)
B
IN. (MM)
C
IN. (MM)
D
IN. (MM)
E
IN. (MM)
F
IN. (MM)
G
IN. (MM)
577C018--036
CPRFCURB006A00 8 (203) 11 (279) 16--1/2 (419) 28--3/4 (730) 30--3/8 (771) 44--5/16 (1126) 45--15/16 (1167)
CPRFCURB007A00 14 (356) 11 (279) 16--1/2 (419) 28--3/4 (730) 30--3/8 (771) 44--5/16 (1126) 45--15/16 (1167)
577C042--060
CPRFCURB008A00 8 (203) 16--3/16 (411) 17--3/8 (441) 40--1/4 (1022) 41--15/16 (1065) 44--7/16 (1129) 46--1/16 (1169)
CPRFCURB009A00 14 (356) 16--3/16 (411) 17--3/8 (441) 40--1/4 (1022) 41--15/16 (1065) 44--7/16 (1129) 46--1/16 (1169)
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.
6. When unit mounting screw is u sed (see Note A), a retainer bracket must
be used as well. This bracket must also be used when required by code for
hurricane or seismic conditions. This bracket is available through Micrometl.
Fig. 5 -- Roof Curb Dimensions
577C
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