Installation
26
OAU-SVX02F-EN
Chilled Water Connection Size and
Location
Filter Installation
The filter rack is accessible through the evaporator coil
compartment door. Filter type, size, and quantity are
determined by selected filter option and unit size.
Note:
Do not operate the unit without filters.
Opening the Collapsed Exhaust Damper
Hood
OAB Cabinet
1. To release the damper hood, remove the hex head
sheet metal screws (one per side) shown in DETAIL A
(see
) and marked by arrow (1).
2. Lift the hood upward and rotate the side panels
outward while holding the top up.
) and marked by
arrow (2), secure the side panels to the top of the hood
using (8) hex head sheet metal screws, provided with
the unit, through the pre-punched holes in the top and
side panels (four screws per side).
4. Repeat these steps for the remaining damper hood.
Figure 26.
Outdoor air chilled water cooling pipe chase-
connections
Table 4.
Chilled water pipe chase location (in.)
Unit
A
B
C
D
E
OAB
61.25
12
10
3
3
OAG
79.75
12.5
10
3
4.125
Table 5.
Chilled water connection size (MPT-in.)
Unit Size
MPT-in.
OAB 3–9 tons
2
OAG 10–30 tons
2
&
$
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Figure 27.
OAB powered exhaust damper hood,
collapsed
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