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A-4
INSTALLATION
POWER WAVE® R350
A-4
INPUT CONNECTION
Only a qualified electrician should
connect the input leads to the
POWER WAVE® R350. Connections
should be made in accordance with
all local and national electrical
codes and the connection diagrams. Failure to do
so may result in bodily injury or death.
------------------------------------------------------------------------
A 10 ft. (3.1m) power cord is provided and wired into
the machine. Follow the power cord connection
instructions.
For Single Phase Input
Connect green lead to ground per National Electrical
Code.
Connect black and white leads to power.
Wrap red lead with tape to provide 600V insulation.
For Three Phase Input
Connect green lead to ground per National Electric
Code.
Connect black, red and white leads to power.
INPUT FUSE AND SUPPLY WIRE
CONSIDERATIONS
Refer to Specification Section for recommended fuse,
wire sizes and type of the copper wires. Fuse the
input circuit with the recommended super lag fuse or
delay type breakers (also called "inverse time" or
"thermal/magnetic" circuit breakers). Choose input
and grounding wire size according to local or national
electrical codes. Using input wire sizes, fuses or cir-
cuit breakers smaller than recommended may result in
"nuisance" shut-offs from welder inrush currents, even
if the machine is not being used at high currents.
INPUT VOLTAGE SELECTION
The POWER WAVE® R350 automatically adjusts to
work with different input voltages. No reconnect
switches settings are required.
The POWER WAVE® R350 ON/OFF
switch is not intended as a service
disconnect for this equipment. Only
a qualified electrician should con-
nect the input leads to the POWER WAVE® R350.
Connections should be made in accordance with
all local and national electrical codes and the con-
nection diagram located on the inside of the
reconnect access door of the machine. Failure to
do so may result in bodily injury or death.
------------------------------------------------------------------------
POWER CORD REPLACEMENT
Only a qualified electrician should
connect the input leads to the
POWER WAVE® R350. Connections
should be made in accordance with
all local and national electrical
codes and the connection dia-
grams. Failure to do so may result in bodily injury
or death.
------------------------------------------------------------------------
If the input power cord is damaged or needs to be
replaced an input power connection block is located
in the back of the machine with the access panel
removed as shown Figure A.1.
ALWAYS CONNECT THE POWER WAVE GROUND-
ING LUG (LOCATED AS SHOWN IN FIGURE A.1)
TO A PROPER SAFETY (EARTH) GROUND AND
ENSURE IT IS APPROXIMATELY 3" LONGER THAN
PHASE LEADS."
FIGURE A.1
WARNING
WARNING
WARNING
CONNECTION
BLOCK
GROUND
LUG
INPUT
POWER
CORD