Download appendix 1 - Victor Technologies

APPENDIX 2: SEQUENCE OF OPERATION (BLOCK
DIAGRAM)
ACTION
ACTION
ACTION
ACTION
Close external
disconnect switch.
ON/OFF switch
to ON.
RUN/SET switch
to SET.
RUN/SET switch
to RUN.
RESULT
RESULT
RESULT
RESULT
Power to system.
AC indicator blinks for 8
seconds then steady on.
Fans on.
Power circuit ready.
Gas solenoid open,
gas flows to set pressure.
GAS indicator on.
Gas flow stops.
GAS indicator off.
ACTION
ACTION
Torch moved away
from work (while
still activated).
Protect eyes and
activate torch
RESULT
RESULT
Gas flows (2 seconds).
Main arc stops.
Pilot arc automatically
restarts.
PILOT ARC
After gas pre-flow:
DC indicator on.
Pilot arc established
ACTION
Torch moved within
transfer distance of workpiece.
RESULT
ACTION
Main arc transfer.
Pilot arc off.
Torch deactivated (by torch switch
release or by remote device).
RESULT
Main arc stops.
(Power supply enable signal removed.)
Gas flows (15 seconds)
NOTE - If torch is activated during
post-flow, pilot arc will immediately restart.
If torch is within transfer distance (3/8 in) of
workpiece, main arc will transfer.
ACTION
ACTION
ON/OFF switch
to OFF
After post-flow:
Gas solenoid closes, gas flow stops.
GAS indicator off.
Open external
disconnect.
RESULT
RESULT
All indicators off.
Power supply fans off.
No power to system.
A-02324
APPENDIX
A-2
Manual 0-2825