
265485-XTG-B-1208
Johnson Controls Unitary Products
29
FIGURE 16 - DOWNFLOW ECONOMIZER HOOD DETAIL
FIGURE 15 - REAR DUCT DIMENSIONS
REAR DUCT DIMENSIONS
MODEL
DIMENSION
“A”
“B”
“C”
DR090
28 1/4
(717)
18 1/16
(459)
28 1/4
(717)
NOTE: (XXX) indicates millimeters
18-1/4
(465)
5-5/32
(130)
31-11/16
(805)
2-31/32
(75)
18-1/4
(465)
Return
Air
Supply
Air
C
A
B
35 3/4
(90.8)
Outside Air
Intake Hood
26
(66)
25 3/4
(65.4)
30 1/4
(76.8)
26
(66)
39 1/2
(100)
or
47 1/2
(120.7)
Relief Hood for
Power Exhaust or
Barometric Relief
88 1/4
(224.2)
58 1/4
(148)