appendix 1 - Victor Technologies
appendix 1 - Victor Technologies
appendix 1 - Victor Technologies
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APPENDIX 2: SEQUENCE OF OPERATION (BLOCK<br />
DIAGRAM)<br />
ACTION<br />
Close external<br />
disconnect switch.<br />
RESULT<br />
Power to system.<br />
ACTION<br />
Protect eyes and<br />
activate torch<br />
RESULT<br />
Gas flows (2 seconds).<br />
After gas pre-flow:<br />
DC indicator on.<br />
Pilot arc established<br />
ACTION<br />
Torch deactivated (by torch switch<br />
release or by remote device).<br />
RESULT<br />
Main arc stops.<br />
(Power supply enable signal removed.)<br />
Gas flows (15 seconds)<br />
NOTE - If torch is activated during<br />
post-flow, pilot arc will immediately restart.<br />
If torch is within transfer distance (3/8 in) of<br />
workpiece, main arc will transfer.<br />
After post-flow:<br />
Gas solenoid closes, gas flow stops.<br />
GAS indicator off.<br />
A-03050<br />
ACTION<br />
ON/OFF switch<br />
to ON.<br />
RESULT<br />
AC indicator blinks for 8<br />
seconds then steady on.<br />
Fans on.<br />
Power circuit ready.<br />
PILOT ARC<br />
ACTION<br />
RUN/SET switch<br />
to SET.<br />
RESULT<br />
Gas solenoid open,<br />
gas flows to set pressure.<br />
GAS indicator on.<br />
ACTION<br />
ON/OFF switch<br />
to OFF<br />
RESULT<br />
All indicators off.<br />
Power supply fans off.<br />
ACTION<br />
STANDARD/LATCH<br />
switch to STANDARD<br />
ACTION<br />
STANDARD/LATCH<br />
switch to LATCH<br />
ACTION<br />
Torch moved away<br />
from work (while<br />
still activated).<br />
RESULT<br />
Main arc stops.<br />
Pilot arc automatically<br />
restarts.<br />
ACTION<br />
RUN/SET switch<br />
to RUN.<br />
RESULT<br />
Gas flow stops.<br />
GAS indicator off.<br />
ACTION<br />
Torch moved within<br />
transfer distance of workpiece.<br />
RESULT<br />
Main arc transfer.<br />
Pilot arc off.<br />
ACTION<br />
Torch Switch released.<br />
RESULT<br />
Transfer will continue<br />
until torch is removed<br />
from workpiece.<br />
ACTION<br />
Open external<br />
disconnect.<br />
RESULT<br />
No power to system.<br />
APPENDIX A-2 Manual 0-2697