Operation & Maintenance Manual
ATL-M001-A2
1
1.0 Installation
1.1 Location
Location of the
AUTOTRANS
L
INEATOR
™
should be
made with consideration given to accessibility,
ventilation and atmospheric conditions. Sufficient
clearances from walls and other obstructions
should be provided to permit unrestricted opening
of hinged and removable doors, covers and
panels for the purpose of wiring terminations,
inspection, maintenance and testing. Also,
proper
ventilation requires at least 6 in. (155mm)
clearance
at all ventilation openings.
In
enclosed
rooms,
minimum air circulation of 100 ft
3
/ min per
kilowatt of transformer loss should be provided.
Installation locations should be free of
contaminants including dust, fertilizer, excessive
moisture, corrosive gases, flammable materials or
chemical fumes. Filtered air may be considered to
reduce maintenance where air born contaminants
are a problem.
Enclosures are designed in accordance with
NEMA and UL standards and can allow for
installation in various environments. Standard
enclosures for the
AUTOTRANS
L
INEATOR
™
are
NEMA3R and NEMA3R Enhanced.
Where
AUTOTRANS
L
INEATORS
™
are connected to
lines subject to lightning exposure or other voltage
surges, careful coordination of BIL levels and
protective surge arresters must be made. For
derating factors which apply to installation at high
altitudes, refer to ANSI C57.12.01-1989
.
1.2 Inspection
Upon receipt of shipment the
AUTOTRANS
L
INEATOR
™
should be inspected for any
damage incurred during shipment. Before
energization an internal inspection should be
conducted with emphasis on loose or broken
connections, damaged or displaced parts, cracked
insulators, dirt or foreign material, or evidence of
moisture.
1.3 Handling
The
AUTOTRANS
L
INEATOR
™
should be thoroughly
protected against the entrance of dust, rain or
snow when handled outdoors.
When lifting the
AUTOTRANS
L
INEATOR
™
,
the lifting
cables should be held apart by a spreader to avoid
bending the lifting lugs or other parts of the
structure. The
AUTOTRANS
L
INEATOR
™
may be
skidded or moved on rollers but care must be
taken not to damage the base or tip it over. When
rollers are used under larger units, skids must be
used to distribute the stress over the base.
After the
AUTOTRANS
L
INEATOR
™
is placed in
permanent position, shipping braces should be
removed and shipping bolts, if present, should be
loosened.
Where isolation pads have been
included, the bolt should be loosened until the
spring washer has been relaxed before putting
into service
. This will reduce noise resulting from
the
AUTOTRANS
L
INEATOR
'
S
™
natural vibration
.
1.4 Grounding
Consideration must be given to equipment
grounding (case and core) and must be made in
accordance with all applicable electrical codes.
2.0 Storage
Condensation and moisture absorption must be
prevented during storage. The
AUTOTRANS
L
INEATOR
™
must be stored in a warm,
dry location. Ventilation openings should be
covered to keep out dust. If outdoor storage
cannot be avoided, the
AUTOTRANS
L
INEATOR
™
must be protected to prevent entrance of water,
moisture and foreign material.
WARNING
Danger! There is the potential of
electric shock whenever working
in or around electrical equipment
such as transformers. Power must
be shut off before any work is
conducted on a transformer.
