Lincoln Electric INVERTEC V276, Operator'S Manual

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A-2
INSTALLATION
INVERTEC
®
V276
INSTALLATION
ELECTRIC SHOCK can kill.
• Only qualified personnel should
perform this installation.
• Turn off input power to the power
source at the disconnect switch or
fuse box before working on this equipment. Turn off
the input power to any other equipment connected to
the welding system at the disconnect switch or fuse
box before working on the equipment.
• Do not touch electrically hot parts.
SELECT SUITABLE LOCATION
The Invertec
®
V276 will operate in harsh environments. Even
so, it is important that simple preventative measures are
followed in order to assure long life and reliable operation.
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.
HIGH FREQUENCY PROTECTION
Locate the Invertec
®
V276 away from radio controlled
machinery.
INPUT CONNECTIONS
The Invertec
®
V276 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.
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
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 instructions. 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.
WARNING
CAUTION
INPUT FUSE AND SUPPLY WIRE
machine.
• The machine must be located where there is free circulation
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.
STACKING
V276’s cannot be stacked.
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.
The normal operation of the Invertec V276 may
adversely affect the operation of RF controlled
equipment, which may result in bodily injury or
damage to the equipment.
CAUTION