OPERATION 4-2 Manual 0-2844
1. ON / OFF Power Switch
ON (up) position supplies AC power to activate all
system control circuits. OFF (down) position deacti-
vates control circuits.
2. RUN / SET Switch
RUN (up) position is used for general torch opera-
tion. Torch switch must be held. SET (down) posi-
tion used for setting gas pressure and purging lines.
3. Current Control (A)
Adjustment to set the desired output current. On CE
CutMaster 75 and 100, circuitry in the Power Supply
automatically reduces output current to 40 amps if
the torch tip touches the work.
4. AC Power Indicator
Green indicator blinks ON-OFF for approximately
eight seconds and then stays ON after the ON/OFF
power switch is set to ON. Indicates operating power
is present in the unit.
5. TEMP Indicator
Normally OFF. Yellow indicator will come ON when
the internal temperature sensors detect temperatures
above normal limits. The unit should be allowed to
cool before continuing operation.
6. GAS Indicator
Green indicator will come ON when the input gas
pressure is set to 35 psi (2.4 bar) or higher. Indicator
will be OFF when the pressure falls below 35 psi (2.4
bar).
7. DC Indicator
Green indicator will come ON while the torch switch
is pressed. Indicates DC output circuit is active.
C. Rear Panel Features
1. Gas Input Port
Connection for gas input.
WARNING
This unit is not to be used with oxygen (O
2
).
A-03278
1
2
3
4
Rear Panel
2. Primary Input Power Cable/Strain Relief
Factory installed primary input power cable with
strain relief, capable of handling the input voltage for
which this unit was designed.
3. Gas Pressure Regulator/Filter Assembly
Pressure regulator to adjust the input gas pressure to
the Power Supply. The pressure regulator has its own
built-in filter. For improved filtering, other filtering
packages are available as options.
4. Grounding Stud (CE CutMaster 75 & 100 only)
Connection point for grounding as required by Local
or National Codes or local authority having jurisdic-
tion. The grounding stud is identified with this sym-
bol:
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