Bryant DURAPAC PLUS 581B - Manual (Page 3)

— 3 —
ROOF CURB
ACCESSORY
A UNIT SIZE
CRRFCURB001A01
1 ′-2″
[356]
581B036-072
CRRFCURB002A01
2 ′-0″
[610]
NOTES:
1. Roof curb accessory is shipped disassembled.
2. Insulated panels.
3. Dimensions in [
] are in millimeters.
4. Roof curb: galvanized steel.
5. Attach ductwork to curb (flanges of duct rest on
curb).
6. Service clearance: 4 ft on each side.
7. Direction of airflow.
8. Connector packages CRBTMPWR001A01 and
002A01 are for thru-the-curb type gas. Packages
CRBTMPWR003A01 and 004A01 are for thru-the-
bottom type gas connections.
Fig. 2 — Roof Curb Details
CONNECTOR
PKG. ACCY.
B C
D ALT
DRAIN
HOLE
GAS POWER CONTROL
ACCESSORY
PWR
CRBTMPWR001A01
1 ′-9 11 / 16
″
[551]
1 ′-4″
[406]
1 3 / 4
″
[44.5]
3 / 4
″
[19] NPT
3 /
4
″ [19] NPT 1 / 2
″
[12.7]
1 / 2
″
[12.7]
CRBTMPWR002A01 1 1 /
4
″ [31.7]
CRBTMPWR003A01
1 /
2
″
[12.7] NPT
3 / 4
″ [19] NPT
1 / 2
″
[12.7]
CRBTMPWR004A01
3 /
4
″
[19] NPT
1 1 / 4
″ [31.7]