Bryant 581A User 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