Lincoln Electric POWERTEC 300S Manuel D'utilisation page 11

Controls and Operational Features
1. Power Switch and Power Indicator: After input
power is connected and the power switch is turned
on, the indicator will light up to indicate the machine
is ready to weld.
2. Welding Voltage Changing Switches: POWERTEC
300S has 2 switches (2 and 10 steps). The
POWERTEC 360S, 420S and 500S have 2
switches (3 and 10 steps).
3. Positive Output Socket: Allows the connection, with
the power cable, to the wire feeder.
4. Wire Feeder Receptacle: 14-pins receptacle for
wire feeder. Provides connections for auxiliary
power of wire feeder. Use source/wire feeder cable
K10347-PG-xxM series or K10347-PGW-xxM
series.
5. Negative Output Socket (for POWERTEC 300S
only): For connecting the return welding cable.
6. Wire Feeder Voltmeter Switch (for POWERTEC
360S, 420S and 500S only): This switch selects the
polarity of the wire feeder voltmeter, if so equipped.
When welding torch is positive (MIG, Outershield
and some Innershield processes), set the switch to
"+". When welding torch is negative (most
Innershield applications), set the switch to "-".
7. Output Socket with Low Inductance (for
POWERTEC 360S, 420S and 500S only): For
connecting the return welding cable.
8. Output Socket with High Inductance (for
POWERTEC 360S, 420S and 500S only): For
connecting the return welding cable.
9. Covered Hole: For CO
accessories, K14009-1 CO
10. Fuse: This fuse protects the primary winding of
auxiliary transformer.
11. Power Input Cable: Connect the proper plug to the
input cable then into the rated output according to
A-3
gas heater socket (see
2
Socket Kit).
2