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INPUT CONNECTIONS
ELECTRIC SHOCK can kill.
• Have a qualified electrician
install and service this equip-
ment.
• Turn the input power off at the
fuse box before working on this
equipment.
• Do not touch electrically hot
parts.
• Insulate yourself from the work and ground.
• Always wear dry insulating gloves.
Be sure the voltage, phase, and frequency of the input
power is as specified on the rating plate, located on
the case front control panel. See Figure A.1. Also see
appropriate Technical Specifications page for input
and ground wire requirements.
Input supply line ground lead entry is through a hole
located at the top of the case rear panel. A removable
door covers the input connection box, which contains
the input contactor (CR1) and reconnect panel assem-
bly for multiple voltage machines.
GROUND CONNECTION
The welder frame must be grounded. A stud marked
with the symbol located on the floor of the input
box is provided for this purpose. See the U.S.
National Electrical Code for details on proper ground-
ing methods.
INPUT SUPPLY CONNECTIONS
Input power is connected to the three line terminals on
the input contactor. See Figure A.2. Be sure the volt-
age, phase, and frequency of the input power is as
specified on the rating plate.
INSTALLATION
A-6 A-6
IDEALARC R3R
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FIGURE A.1 – RATING PLATE LOCATION
1
WARNING
1. RATING PLATE