Emerson Liebert PPC 15-30 kVA, Технические данные инструкция

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Service Access and Clearance Requirements
14
S
ERVICE
A
CCESS AND
C
LEARANCE
R
EQUIREMENTS
Precision Power Centers are designed for easy servic-
ing. Access areas and minimum clearances of each
are described below.
Precision Power Center - 15-225 kVA sizes
Recommended minimum service clearances for Preci-
sion Power Centers should be at the front and one
other side, or rear. Service clearance extends 42 in.
(1067 mm) from the unit in accordance with the
National Electrical Code. If bottom cable exit is
desired, there must be at least 6" (143 mm) clearance
at the bottom of the unit.
(NOTE: If bottom cable exit or distribution cables are
used, the unit must be installed on a raised floor or
floor pedestals must be provided. Non-raised floor
applications are not CSA approved. )
Units with a transformer require 18" (427 mm) above
the unit for cooling airflow.
Figure 7 Dimensions, clearances, 1 panelboard
Figure 8 Dimensions, clearances, 2 panelboards
6" ***
(152mm)
42" **
(1067mm)
68"
(1727mm)
20"
(507mm)
32"
(813mm)
18" *
(457mm)
6" ***
(152 mm)
18" *
(457mm)
32"
(813mm)
* 16For units with transformer
** Required in front of unit plus
on one other side or in back
*** For bottom cable exit
32"
(813mm)
68"
(1727mm)
42" **
(1067 mm)