ESAB PCM-500i, Instruction Manual

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SECTION 2 INSTALLATION
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output terminal board from right panel of power
source.
2. Thread the power cable and switch lead of the PT-
31XL through the right open bushing of the front
panel. Connect power cable to the torch fitting (left-
hand threads) and plug in the switch lead to the torch
switch receptable on the output terminal board.
Make sure the power cable connection is wrench-
tight. Make sure plug of switch lead is firmly locked
in place.
3. Reassemble the access door to the power source.
4. Connect your air supply to the inlet connection of the
filter-regulator.
5. Clamp the work cable to the workpiece. Be sure the
workpiece is connected to an approved earth ground
with a properly sized ground cable.
2.6SECONDARY (OUTPUT) CONNECTIONS
(REFER TO FIG. 2-1)
Before making any connections to the power source
output terminals, make sure that all primary input
power to the power source is deenergized (off) at the
main disconnect switch and that the input power
cable is unplugged.
1. For operator safety, the torch connections are lo-
cated on the output terminal board behind the lower
portion of the front panel. Remove access door to
Table 2.1. Recommended Sizes for Input Conductors and Line Fuses
Rated Input Input & GND Fuse Size
Conductor Amps
Volts Amp Phases CU/AWG*
208 30 1 No. 10 40
230 25 1 No. 10 40
380 8/ph. 3 No. 12 15
415 7.5/ph. 3 No. 12 15
*
Sized per National Code for 80°C rated copper conductors @ 30°C ambient. Not more than three
conductors in raceway or cable. Local codes should be followed if they specify sizes other than those
listed above.