Tweco 100XL Plus CE PAK Master - Manuel (Page 27)

Manual 0-2813 4-1 OPERATION
SECTION 4:
OPERATION
4.01 Introduction
This section provides a description of the Power Supply
operating controls and procedures. Identification of the
Front and Rear Panel components is followed by operat-
ing procedures.
4.02 Operating Controls
This subsection provides specific functional descriptions
of the Power Supply operating controls and indicators.
A. Front and Side Panel
1. Control Panel
All operator controls, except gas pressure adjustment,
are located on this panel. Power ON/OFF and RUN/
SET/LATCH switches; CURRENT control; indicators
for AC Power, TEMP, GAS, and DC.
1
2
3
4
A-02748
Figure 4-1 Front and Side Panel Connections
2. Access Panel
A panel to gain access to the bulkhead area contain-
ing the torch connections.
3. Torch Leads Input
Hole in the front panel to feed the torch leads through
to the internal bulkhead connections.
4. Work Cable and Clamp
Work cable with ring terminal (factory installed) for
connecting to work table.
B. Control Panel
1
2
3
4 5 6 7
A
15
40
80
A-03454
60
Figure 4-2 Operating Controls
1. Current Control (A)
Adjustment to set the desired output current between
15 to 80 amps. The unit has an automatic fold-back
circuit that limits current to 35 amps if torch tip con-
tacts the workpiece.
2. ON /OFF Power Switch
ON position supplies AC power to activate all sys-
tem control circuits. OFF position deactivates con-
trol circuits.
3. RUN /SET /LATCH
Switch
RUN position is used for torch operation. SET posi-
tion used for setting gas pressure and purging lines.
NOTE
The LATCH position is not used for automated sys-
tem applications.
4. AC Power Indicator
Green indicator will blink ON then OFF for approxi-
mately eight seconds and then stay ON after the ON/
OFF power switch is set to ON. Indicates operating
power is present in the unit.