Input Power Supply Connections; Reconnect Procedure - Lincoln Electric 10120 Operator's Manual

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INPUT POWER SUPPLY CONNECTIONS

A qualified electrician should connect the input power
supply leads.
1. Follow all national and local electrical codes.
2. Use a three-phase line.
3. Remove the input access door at upper rear of the
machine.
4. Follow input supply connection diagram located
on the inside the door.
5. Connect the three-phase AC power supply leads
L1, L2, and L3 to the input contactor
terminals in the input box assembly. See Figure
A.1.
FIGURE A.2 Dual Voltage Machine Reconnection Procedure
INSTALLATION

RECONNECT PROCEDURE

------------------------------------------------------------------------
Multiple voltage machines are shipped connected to
the highest input voltage listed on the machineʼs rating
plate. Before installing the machine, check that the
reconnect panel in the input box assembly is connect-
ed for the proper voltage.
Failure to follow these instructions can cause immedi-
ate failure of components within the machine.
------------------------------------------------------------------------
When powering welder from generator be sure to turn
off welder first, before generator is shut down, in order
to prevent damage to welder!
To reconnect a multiple voltage machine to a different
voltage, remove input power and follow the input con-
nection diagram located on the inside of case back
input access door.
1. For dual voltage sample machine reconnect
instructions, see Figure A.2.
CV-655
WARNING
Electric Shock Can Kill
• Disconnect input power before per-
forming this procedure.
CAUTION
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