Carrier 48/50HJ004-014 CRBTMPWR002A00, CRBTMPWR003A00, CRBTMPWR004A00, CRRFCURB003A00

CONNECTOR

D ALT

B

C

DRAIN

GAS

POWER

CONTROL

PKG. ACCY.

HOLE

CRBTMPWR001A00

3/4″

3/4″ [19] NPT

1/2″

CRBTMPWR002A00

2′-87/16″

1′-1015/16″

13/4″

[19] NPT

11/4″ [31.7]

[12.7] NPT

CRBTMPWR003A00

1/2″

3/4″ [19] NPT

[827]

[583]

[44.5]

[12.7] NPT

1/2″

CRBTMPWR004A00

3/4″

11/4″ [31.7]

[12.7] NPT

[19] NPT

ROOF CURB	“A”	UNIT SIZE
ACCESSORY		48/50HJ
CRRFCURB003A00	1′-2″[356]	008-014
CRRFCURB004A00	2′-0″[610]

NOTES:

1.Roof curb accessory 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 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 CRBTMPWR001A00 and 2A00 are for thru-the-curb gas type. Packages CRBTMPWR003A00 and 4A00 are for thru- the-bottom type gas connections.

TO ENSURE AN AIRTIGHT CONNECTION,

PLACE UNIT ON CURB AS CLOSE TO

DUCT END AS POSSIBLE.

TO ENSURE AN AIRTIGHT CONNECTION,

PLACE UNIT ON CURB AS CLOSE TO

DUCT END AS POSSIBLE.

Fig. 3B — Roof Curb Details (48/50HJ008-014 Section Only)

5