—3—
NOTES:
1. Roof curb accessor y is shipped disassembled.
2. Insulated panels: 1-in. thick polyurethane foam,
13/4 lb density.
3. Dimensions in [ ] are in millimeters.
4. Roof curb: 16-gage ste el.
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
2A01 are for thru-the-curb gas type. Packages
CRBTMPWR003A01 and 4A01 are for thru-the-
bottom type gas connections.
ROOF CURB
ACCESSORY “A” UNIT SIZE
CRRFCURB003A01 1′-2″ [356] 551B090-150
CRRFCURB004A01 2′-0″ [610]
Fig. 2 — Roof Curb DetailsCONNECTOR
PKG. ACCY. BC D ALT
DRAIN HOLE GAS POWER CONTROL ACCESSORY
POWER
CRBTMPWR001A01
2′-87/16
″
[827]
1′-1015/16
″
[583]
13/4
″
[44.5]
3/4
″
[19] NPT
3/4
″ [19] NPT
1/2
″
[12.7] NPT
1/2
″
[12.7] NPT
CRBTMPWR002A01 11/4
″ [31.7]
CRBTMPWR003A01 1/2
″
[12.7] NPT 3/4
″ [19] NPT
CRBTMPWR004A01 3/4
″
[19] NPT 11/4
″ [31.7]