Tweco 75XL Plus PAK Master - Manuel (Page 32)

OPERATION 4-2 Manual 0-2807
3. RUN /SET /LATCH
Switch (See Note)
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 blinks ON then OFF for approxi-
mately eight seconds and then stays ON after the
ON/OFF power switch is set to ON. Indicates oper-
ating power is present in the unit.
5. TEMP Indicator
Normally OFF. Yellow indicator turns ON when the
internal temperature senors detect temperatures
above normal limits. The unit should be allowed to
cool before continuing operation.
6. GAS Indicator
Green indicator turns ON when the input gas pres-
sure 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 turns ON while the torch switch is
pressed.
C. Torch Bulkhead Panel
The torch bulkhead panel is located under the access
panel.
1. Pilot Lead Stud
Connects the pilot control wire on the torch to the
unit.
2
1
3
A-00923
Figure 4-3 Torch Panel Connections
2. PIP/Shield Connector
Connects the torch PIP circuit and shield wires to the
unit with an adapter supplied with the Power Sup-
ply.
3. Gas/Power Lead Connection
Connects the torch gas/negative lead to the unit.