Bryant 581A - Manual (Page 7)

DIMENSIONAL DRAWING — HORIZONTAL AND VERTICAL ROOF CURBS AND HORIZONTAL ADAPTER
NOTE: To prevent the hazard of stagnant water build-up in the drain pan
of the indoor-air section, unit can only be pitched as shown. LEGEND
COMPR SECT. — Compressor Section
NOTES:
1. Roof curb accessory is shipped unassembled.
2. Insulated panels,
1 ⁄ 2 -in. thick neoprene-coated, 2 lb density.
3. Dimensions in ( ) are in millimeters.
4. Direction of airflow.
5. Roof curb: 18 gage steel.
6. Attach all ductwork to roof curb.
7. Field installation of sidewall insulation is mandatory.
ACCESSORY
PACKAGE
NO.
CURB
HEIGHT
DESCRIPTION ‘‘A’’ ‘‘B’’ ‘‘C’’ ‘‘D’’ ‘‘E’’
308450-201
1 Ј -2 Љ Standard Curb — 5 Ј -7 1 ⁄ 16
Љ 1 Ј -7 13 ⁄ 16
Љ
— — —
(355) 14 Љ High (1703) (503)
308450-202
2 Ј -0 Љ
(610)
Standard Curb for
5 Ј -7 1 ⁄ 16
Љ
(1703)
1 Ј -7 13 ⁄ 16
Љ
(503)
— — — Units Requiring
High Installation
308450-203
2 Ј -0 Љ
(610)
Horizontal Supply and 5 Ј -7 1 ⁄
16
Љ
(1703)
1 Ј -7 13 ⁄
16
Љ
(503)
5 Ј -6 Љ
(1676)
0 Ј -2 1 ⁄
2
Љ
(64)
1 Ј -6 Љ
(457) Return Curb
389210-201
1 Ј -11 Љ
(584)
Pre-Assembled, High-Static,
Horizontal Adapter
5 Ј -7 1 ⁄ 16
Љ
(1703)
1 Ј -7 13 ⁄ 16
Љ
(503)
6 Ј -2 Љ
(1880)
0 Ј -6 1 ⁄ 4
Љ
(159)
1 Ј -2 5 ⁄ 8
Љ
(371)
389171-201*
1 Ј -2 Љ Standard Curb — 7 Ј -2 13 ⁄ 16
Љ 3 Ј -3 5 ⁄ 8
Љ
— — —
(355) 14 Љ High (2205) (1006)
389171-202*
2 Ј -0 Љ
(610)
Standard Curb
7 Ј -2 13 ⁄ 16
Љ
(2205)
3 Ј -3 5 ⁄ 8
Љ
(1006)
— — — for Units Requiring
High Installation
389171-203*
2 Ј -0 Љ
(610)
Horizontal Supply 7 Ј -2 13 ⁄ 16
Љ
(2205)
3 Ј -3 5 ⁄ 8
Љ
(1006)
5 Ј -6 Љ
(1676)
0 Ј -2 1 ⁄ 2
Љ
(64)
1 Ј -6 Љ
(457) and Return Curb
389211-201*
1 Ј -11 Љ
(584)
Pre-Assembled, High-Static,
Horizontal Adapter
7 Ј -2 13 ⁄
16
Љ
(2205)
3 Ј -3 5 ⁄
8
Љ
(1006)
6 Ј -2 Љ
(1880)
0 Ј -6 1 ⁄
4
Љ
(159)
1 Ј -2 5 ⁄
8
Љ
(371)
*For 581A240 high-heat applications.
7