Lincoln Electric INVERTEC IM732-B - Manual (Page 13)

A-4 INSTALLATION A-4
INVERTEC® V350-PRO (CE)
PARALLEL OPERATION
The INVERTEC® v350-pro (CE) are operable in par-
allel in CC mode. For best results, the currents of
each machine should be reasonably well shared. As
an example, with two machines set up in parallel for a
400 amp procedure, each machine should be set to
deliver approximately 200 amps, not 300 amps from
one and 100 amps from the other. This will minimize
nuisance shutdown conditions. In general, more than
two machines in parallel will not be effective due to
the voltage requirements of procedures in that power
range.
To set machine outputs, start with output control pots
and arc control pots in identical positions. Use the
output control pots to balance the currents and main-
tain the desired current. The arc control pots should
be kept identical on the two machines.