DIMENSIONAL DRAWING — HORIZONTAL AND VERTICAL ROOF CURBS
AND HORIZONTAL ADAPTER — 559F180-300
ACCESSORY
PACKAGE NO.
CURB
HEIGHT
DESCRIPTION ‘‘A’’ ‘‘B’’ ‘‘C’’
308450-201
18-29
(305)
Standard Curb —
149 High
———
308450-202
28-09
(610)
Standard Curb
for Units Requiring
High Installation
———
308450-203
28-09
(610)
Horizontal Supply
and Return Curb
58-69
(1676)
08-2
1
⁄
2
9
(64)
18-69
(457)
389210-201
18-119
(584)
Pre-Assembled,
High-Static
Horizontal Adapter
68-29
(1880)
08-6
1
⁄
4
9
(159)
18-2
5
⁄
8
9
(371)
LEGEND
COMP 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.
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.
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