Bryant 551B Series Installation, Start-Up And Service Instructions Manual page 4

NOTES:
1. Roof curb accessory is shipped unassembled.
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.
UNIT SIZE
''B'' ''C''
Drain Hole
21 11 ⁄ 16
16
551B036-072
[551] [406]
ROOF CURB
''A''
ACCESSORY
14
CRRFCURB001A00
[356]
24
CRRFCURB002A00
[610]
Fig. 4 — Roof Curb
—4—
SERVICE PLATE SIZES
''D'' Alt
''F'' Power ''G'' Control
3 ⁄ or
4
⁄ NPT
3
4
1 1 ⁄ NPT
4
1 3 ⁄
4
3 ⁄ NPT 1 ⁄ NPT
4 2
[44.5]
1 1 ⁄ NPT 1 ⁄ NPT
4 2
UNIT SIZE
551B036-072
Connector Package
Accessory
314213-203
(THRU-THE-SIDE)
CRBTMPWR001A00
(THRU-THE-BOTTOM)
CRBTMPWR002A00
(THRU-THE-BOTTOM)