Thermal Dynamics Pak Master 25 User Manual

Manual 0-2577 9 OPERATION
3.3 SEQUENCE OF OPERATION
Figure 3-B Sequence of Operation
ACTION
ON/OFF switch
to OFF
RESULT
All indicators off.
Power supply
fan off.
ACTION
Torch moved within
transfer distance of
workpiece.
RESULT
Main arc transfer.
Pilot arc off.
DC indicator still on.
ACTION
Torch deactivated by torch
switch release.
RESULT
Main arc stops. Pilot stops.
(Power supply enable signal removed.)
DC indicator off.
After post-flow:
Gas solenoid closes. Gas flow stops.
GAS indicator OFF.
ACTION
Unplug
Power Cord
RESULT
No power to system.
ACTION
Plug in
Power Cord
RESULT
Power to system.
ACTION
Torch moved away
from work (while
still activated).
RESULT
Main arc stops.
Pilot arc auto-
matically restarts.
PILOT ARC
ACTION
ON/OFF switch
to ON.
RESULT
AC Indicator flashes for
3 seconds then stays on.
Fan on.
ACTION
Protect eyes and
activate torch
RESULT
Gas flows
GAS indicator ON
After gas pre-flow:
DC indicator on.
Power supply enabled.
Pilot arc established
A-00788
NOTE - If torch is activated during
post-flow, pilot arc will immediately restart.
If torch is within transfer distance (1/8 in) of
workpiece, main arc will transfer.
ACTION
RUN/SET Switch to SET
RESULT
Gas solenoid open,
gas flows to set
pressure.
Gas indicator ON
if above 35 psi
ACTION
RUN/SET switch
to RUN
RESULT
Gas flow stops.
GAS indicator off.
Power circuit ready.

Thermal Dynamics Pak Master 25 Specifications

General

Brand	Thermal Dynamics
Model	Pak Master 25
Category	Welding System
Language	English