Thermal Dynamics A80 User Manual

A80
0-4985 APPENDIX
A-1
APPENDIX 1: SEQUENCE OF OPERATION BLOCK DIAGRAM
ACTION:
ON / OFF switch to ON
RESULT:
AC indicator ON.
GAS indicator ON
when input
pressure is adequate
for power supply operation.
Power circuit ready.
ACTION:
Protect eyes and activate
Torch switch (START)
RESULT:
Fans turn on. Gas ows briey,
then stops.Gas restarts.
DC indicator ON
Pilot arc established.
Art #A-08793
ACTION:
Unplug input
power cord or
open external
disconnect.
RESULT:
No power to system.
ACTION:
Connect work cable to workpiece.
Set output amperage.
RESULT:
System is ready
for operation.
ACTION:
RUN /
Rapid Auto Restart /
SET / LATCH switch
to SET
RESULT:
Gas ows to set
pressure.
ACTION:
RUN / Rapid Auto Restart /
SET / LATCH
switch to RUN
(for most applications)
or to
Rapid Auto Restart
(for gouging, trimming,
or expanded metal
applications)
or to
LATCH
is used for specic applications
(torch switch can be released
after main arc transfer).
RESULT: Gas ow stops.
ACTION:
Release Torch switch.
RESULT:
Main arc stops.
Gas ow stops after post - ow.
(Fans will continue to run for
10 minutes after the Torch switch
[START] is removed)
ACTION:
ON / OFF switch
to OFF
RESULT:
All indicators o.
Power supply fans shut o.
ACTION:
Close external
disconnect switch.
RESULT:
Power to system.
ACTION:
Torch moved within
transfer distance of workpiece.
RESULT:
Main arc transfers.
Pilot arc o.
PILOT ARC
ACTION:
Torch moved away from work (while
still activated).
RESULT:
Main arc stops.
Pilot arc automatically
restarts.

Thermal Dynamics A80 Specifications

General

Brand	Thermal Dynamics
Model	A80
Category	Cutter
Language	English