Installation
OAU-SVX01H-EN
27
Chilled Water Connection Size and
Location
Filter Installation
Each unit ships 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.
Field Installed Power Wiring
An overall dimensional layout for the standard field
installed wiring entrance into the unit is illustrated in
, and
. To ensure that the
Figure 26.
Condensate trap installation
D = Pipe diameter; see
, and
for correct pipe diameter
H = Internal static pressure (in wg) +1 in.
J = H x 0.5
L = H + J +D
Notes:
1. Pitch drain at least 1/2 in. per 10 ft horizontal run.
2. Condensate drain pan will not drain properly if P-trap is not primed
and of adequate height to allow for cabinet operating negative
pressure.
Figure 27.
Outdoor air chilled water cooling pipe chase-
connections
PANEL ENCLOSURE
D" NPT FEMALE
CONNECTOR
CLEANOUT PLUG
International Inc.
KCC
A
B
C
D
Table 4.
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 5.
Chilled water connection size (MPT-in.)
Unit Size
MPT-in.
OAK 12–30 tons
2.5
OAN 30–54 tons
3.0
WARNING
Proper Field Wiring and Grounding
Required!
Failure to follow code could result in death or serious
injury. All field wiring MUST be performed by qualified
personnel. Improperly installed and grounded field
wiring poses FIRE and ELECTROCUTION hazards. To
avoid these hazards, you MUST follow requirements for
field wiring installation and grounding as described in
NEC and your local/state electrical codes.
AVERTISSEMENT
Câblage sur site et mise à la terre corrects
nécessaires !
Le non-respect de la réglementation peut entraîner des
blessures graves, voire mortelles. Il est IMPÉRATIF de
confier l’ensemble du câblage sur site à un électricien
qualifié. Un câblage sur site mal installé ou mal mis à la
terre constitue des risques D’INCENDIE et
D’ÉLECTROCUTION. Pour éviter ces risques, il est
IMPÉRATIF de respecter les obligations en matière de
pose de câblage sur site et de mise à la terre tel que
stipulé dans les règles du NEC et dans les
réglementations électriques locales/nationales.
