Safety Precautions; Select Suitable Location; Tilting; High Frequency Protection - Lincoln Electric INVERTEC V275-S Service Manual

A-3
Read this entire installation section before you
start installation.

SAFETY PRECAUTIONS

WARNING
ELECTRIC SHOCK
can kill.
• Have an electrician install and
service this equipment.
• Turn the input power off at the
fuse box before working on
equipment.
• Do not touch electrically hot parts.
• Be sure to discharge capacitors with the proce-
dure outlined in the Maintenance Section of this
manual before working in that area of the equip-
ment.
---------------------------------------------------------------------

SELECT SUITABLE LOCATION

The Invertec V275-S will operate in harsh environ-
ments. Even so, it is important that simple preventative
measures are followed in order to assure long life and
reliable operation.
• The machine must be located where there is free cir-
culation of clean air such that air movement in the
back and out the front will not be restricted.
• Dirt and dust that can be drawn into the machine
should be kept to a minimum. Failure to observe
these precautions can result in excessive operating
temperatures and nuisance shutdown.
• Keep machine dry. Shelter from rain and snow. Do
not place on wet ground or in puddles.
• DO NOT MOUNT OVER COMBUSTIBLE SURFACES.
CAUTION
Where there is a combustible surface directly
under stationary or fixed electrical equipment, that
surface shall be covered with a steel plate at least
.06"(1.6mm) thick, which shall extend not less than
5.90"(150mm) beyond the equipment on all sides.
-----------------------------------------------------------------------
STACKING
V275-S's cannot be stacked.
INSTALLATION

TILTING

Place the machine directly on a secure, level surface
or on a recommended undercarriage. The machine
may topple over if this procedure is not followed.

HIGH FREQUENCY PROTECTION

Locate the Invertec V275-S away from radio controlled
machinery.
The normal operation of the Invertec V275-S may
adversely affect the operation of RF controlled
equipment, which may result in bodily injury or
damage to the equipment.
------------------------------------------------------------------------

INPUT CONNECTIONS

The Invertec V275-S should be connected only by a
qualified electrician. Installation should be made in
accordance with all local and national electric codes
and the information detailed below.
INPUT FUSE AND SUPPLY WIRE
Refer to the Technical Specifications page at the
beginning of this chapter for the proper fuse sizes and
supply cable sizes.
• Fuse the input circuit with recommended super lag
fuses or delay type circuit breakers.
• Install the proper fuse in the fuse holder in the main
disconnect panel.

INPUT SUPPLY CONNECTIONS

Be sure the voltage phase and frequency of the input
power is as specified on the rating plate, located on the
rear of the machine.
Supply line entry provision is in the case rear panel.

POWER INPUT CONNECTION

A 10 ft. power cord is provided and wired into the
machine. Follow the power cord connection instruc-
tions. Incorrect connection may result in equipment
damage.
Single Phase Input: Connect green lead to ground
per National Electrical Code. Connect black and white
or brown leads to power. Wrap red lead with tape to
provide 600V insulation.
Three Phase Input: Connect green lead to ground per
National Electrical Code. Connect black, red and white
or brown leads to power.
V275-S
CAUTION
A-3