OPERATION 4-2 Manual 0-2724
5. TEMP Indicator
Normally OFF. Yellow LED indicator will come ON
when the internal temperature sensors detect tem-
peratures above normal limits. The unit should be
allowed to cool before continuing operation.
6. GAS Indicator
Green LED indicator will come ON when the input
gas pressure is set to 45 psi (3.1 bar) or higher. Indi-
cator will be OFF when the pressure falls below 45
psi (3.1 bar).
7. DC Indicator
Green LED indicator will come ON while the torch
switch is pressed.
8. CURRENT Control Knob Guards
Two guards used to prevent damage to the CUR-
RENT Control Knob.
C. Torch Bulkhead Panel
The torch bulkhead panel area is located behind the Front
Panel and requires removal of the Power Supply Cover
for access.
1. Negative/Plasma Lead Connection
Connects the torch negative/plasma lead to the unit.
1
2
3
A-02230
Figure 4-3 Torch Bulkhead Panel Area
2. Control Cable Connector
Used to interface the Adapter (supplied with Power
Supply) to the Torch Leads Control Cable.
3. Pilot Lead Stud
Stud used to connect the Torch Leads Pilot Lead to
the Power Supply.
D. Rear Panel
1. Gas Input
Input connection for nitrogen (N2) or air input.
WARNING
This unit not to be used with oxygen (O
2
).
1
2
3
A-01151
Figure 4-4 Rear Panel With Standard Air Filter
Installed
2. EMC Primary Input Power Cable and Strain Relief
Supplied EMC primary input power cable and strain
relief. Input power cable is capable of handling up
to 460 VAC, three-phase, input power.
3. Gas Pressure Regulator/Filter Assembly
Pressure regulator to adjust the input gas pressure to
the Power Supply. An air line filter is supplied as
part of the Pressure Regulator.
4. Optional Two Stage Air Line Filter
The optional filter will remove moisture and contami-
nants from the air stream when using compressed
air. The filter is capable of filtering to at least 5 mi-
crons.
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