INSTALLATION
Page 27
RATING VERIFICATION PRIOR TO
INSTALLATION
The maximum fault capability of the power
system at the point of installation should be
verified and must not exceed the short-circuit
rating of the controller (See RATINGS section).
All system accessories such as surge
suppressors, lightning arrestors, etc. should be
checked to verify their ratings capacity.
Do not exceed the
ratings specified on the
controller nameplate or
system accessories.
LOCATION
Overhead should be checked for plumbing
condensation, sprinklers or similar possible
sources of trouble. A clearance of
inch
should be provided between a wall and the
rear of the controller for indoor equipment,
when rear access is not required.
If rear
access is required in either environment, a
minimum of 30 inches should be provided.
A minimum of 48 inches working space should
be allowed in front of the controller. This
minimum should be increased if necessary to
accommodate movement around open
enclosure doors to comply with applicable
codes.
SERVICE CONDITIONS
Toshiba medium voltage controllers are
intended for usual service conditions as
defined by NEMA. The equipment should not
be exposed to corrosive or explosive fumes,
dusts, vapors, dripping or standing water,
abnormal vibration, shock, tilting, or other
abnormal operation conditions.
The
temperature of the ambient air surrounding the
controller should be between the limits of
and The altitude
of the equipment installed should not exceed
3300 ft
outside of the usual limits may require derating
or other special equipment, such as heating,
cooling or ventilation. Contact Toshiba for
further information.
If the location for installation is damp, space
heaters may be required. If space heaters
(Fig. 29) are furnished inside the controller,
they should be connected in accordance with
the wiring diagram furnished.
Do not install this
equipment
in
areas
where unusual service
conditions exist, unless
the equipment has been
specially designed for the
particular environment.
Fig. 29 Typical Space Heater
NOTE: Temperature or altitude conditions
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
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