5
RETURN
AIR
SMALL
BASE
UNIT
SUPPLY
AIR
LARGE
BASE
UNIT
UNIT PLACEMENT ON
COMMON CURB
LARGE CURB
SMALL OR LARGE BASE UNIT
SMALL/COMMON CURB
ROOF CURB DETAIL
Wood nailer*
Roofcurb*
Insulation
(field supplied)
*Provided with roofcurb
Cant strip
field supplied
Roofing material
field supplied
Flashing field
supplied
HVAC unit
base rails
Roofcurb
Sealing
Gasket
HVAC unit
basepan
Anchor screw
A09090
A09413
A09094
A09415
C
B
A
F
D
E
Dashed lines show cross support
location for large basepan units.
G
H
C
B
A
F
D
E
G
H
A09414
Fig. 4 -- Roof Curb Dimensions
UNIT
SIZE
CATALOG
NUMBER
A
IN.
(mm)
B (small/common
base)
IN. (mm)*
B (large base)
IN. (mm)*
C
IN.
(mm)
D
IN. (mm)
E
IN. (mm)
F
IN.
(mm)
G
IN. (mm)
H
IN. (mm)
Small
or
Large
CPRFCURB011A00
14 (356)
10 (254)
14 (356)
16 (406) 47.8 (1214)
32.4 (822)
2.7 (69)
30.6 (778)
46.1 (1170)
Large
CPRFCURB013A00
14 (356)
14 (356)
43.9 (1116)
42.2 (1072)
* Part Number 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 mm) thick fiberglass 1 lb. density.
50V
T
--
C
Summary of Contents for Comfort 50VT C Series
Page 3: ...3 Fig 2 24 30 Unit Dimensions 50VT C...
Page 4: ...4 Fig 3 36 60 Unit Dimensions 50VT C...
Page 11: ...11 A150518 Fig 12 Connection Wiring Schematics 208 230 1 60 50VT C...
Page 12: ...12 A150519 Fig 12 Cont Ladder Wiring Schematics 208 230 1 60 50VT C...
Page 13: ...13 A150520 Fig 13 Connection Wiring Schematics 208 230 3 60 50VT C...
Page 14: ...14 A150521 Fig 13 Cont Ladder Wiring Schematics 208 230 3 60 50VT C...
Page 15: ...15 A150522 Fig 14 Connection Wiring Diagram 460 3 60 50VT C...
Page 16: ...16 A150523 Fig 14 Cont Ladder Wiring Diagram 460 3 60 50VT C...
