Lennox VOSB Series Installation Instructions Manual page 4

Outside air ducted units
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Unit Dimensions ­ Inches (mm)
VOSB072, 096
RETURN
AIR DUCT
38-1/4 (972)
OPENING
32-7/8 (835)
20-7/8
(530)
AIR FLOW
LEFT SIDE VIEW
SECTION D-D
SECTION A-A
38-1/4
34-5/8
(972)
(879)
SECTION C-C
TOP OF UNIT
(Supply Air
Duct Opening)
2 (51)
SUPPLY
AIR DUCT
OPENING
14-7/8
(378)
6
(152)
(Supply Air Duct Opening)
(Bottom of Unit)
SUPPLY AIR SIDE
SECTION C-C
5-1/2
(140)
RETURN AIR VIEW
BRACKETS FOR
50 (1270)
SUSPENDING (4)
12-1/8
(308)
TOP VIEW
56-3/4 (1441)
36-7/8 (937)
TOP OF UNIT
RETURN AIR
13-1/2
DUCT OPENING
(343)
3
44-1/8(1120)
(76)
(Bottom of Unit)
SECTION A-A
4
GAS
PIPE
LIQUID
PIPE
ELECTRICAL
CONTROL
BOX
SUPPLY
AIR DUCT
OPENING
LIQUID PIPE
19-7/8
(505)
AIR FLOW
RIGHT SIDE VIEW
SECTION B-B
GAS PIPE
RETURN
AIR DUCT
OPENING
DRAIN
CONNECTION
2-3/4
(70)

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