Installation
46
OAU-SVX004D-EN
Filter Installation
Cabinet sizes OAD, OAG, OAK, and OAN ship with 2-inch
permanent filters (mist eliminators) installed in the air inlet
hood. The quantity of filters is determined by unit size.
Access to the filters is through the hinged filter access
panel on the air intake hood. In addition to the filters in the
intake hood, there is a separate bank of filters 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.
Table 6.
Chilled water pipe chase location (in.)
Unit
A
B
C
D
OAK
63.84
19.50
11.00
5.00
OAN
93.93
20.64
11.00
5.00
Table 7.
Chilled water connection size (MPT-in.)
Unit Size
MPT-in.
OAK 12–30 tons
2.5
OAN 30–54 tons
3.0
Figure 59.
OAB powered exhaust damper hood,
collapsed
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Summary of Contents for Horizon OABE/F
Page 32: ...Unit Clearances Curb Dimensions and Dimensional Data 32 OAU SVX004D EN ...
Page 37: ...Unit Weight and Rigging OAU SVX004D EN 37 ...
Page 55: ...Installation OAU SVX004D EN 55 ...
Page 78: ...Performance Data 78 OAU SVX004D EN ...
Page 84: ...Appendix 84 OAU SVX004D EN Figure 79 BAYSENS036A installation instructions ...
Page 85: ...Appendix OAU SVX004D EN 85 Figure 80 VELCON 0351 installation instructions ...
Page 89: ...Appendix OAU SVX004D EN 89 ...
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