151B0801 R5 3/28/2006
14
GENERAL DIMENSIONS – O4HD MODELS
TABLE A-4: GENERAL DIMENSIONS (Inches) – O4HD MODELS
Cabinet Plenum
Openings
Flue
Supply Air
Return Air
Width
A
Depth
B
Height
C
D x E
Side
F x G
Bottom
Dia.
Height
H
Filter
(Perm.)
Ship
Weight
(lb.)
O4HD-091A
22
31
50 1/2
20 1/2 x 20
14 x 22
14 x 22
5
42
16 x 25 x 1
190
O4HD-140A
22
31
58 1/8
20 1/2 x 20
14 x 22
1
14 x 22
1
6
46 1/2
16 x 25 x 1
270
1
Denotes that two return air openings are required to achieve 5 tons airflow required for air conditioning.
