Read entire Installation Section before installing the
MACHINE.
SAFETY PRECAUTIONS
WARNING
ELECTRIC SHOCK CAN KILL.
•
Only qualified personnel
should install this machine.
•
Turn the input power OFF
at the disconnect switch or
fuse box and discharge
input capacitors before
working inside the equip-
ment.
•
Do not touch electrically hot parts.
•
Turn the machine Power Switch OFF
when connecting power cord to input
power.
SELECT PROPER LOCATION
Place the machine where clean cool air can freely
circulate in and out the side louvers. Dirt, dust or any
foreign material that can be drawn into the machine
should be kept at a minimum. Failure to observe
these precautions can result in excessive operating
temperatures and nuisance shutdown of the machine.
A source of clean, dry air or nitrogen must be supplied
to the m a c h i n e when using external air supply.Oil
in the air is a severe problem and must be avoided.
The supply pressure must be between 6 0 and 150
psi. The flow rate is approximately 4.0 cfm (113
l/min.). Failure to observe these precautions could
result in excessive operating temperatures or
damage to the torch.
STACKING
This machine cannot be stacked.
TILTING
This machine must be placed on a stable, level
surface so it will not topple over.
HIGH FREQUENCY INTERFERENCE
PROTECTION
The machine employs a touch start mechanism for
arc initiation which eliminates high frequency
emissions from the machine as compared with spark
gap and solid state type high frequency genera- tors.
Keep in mind, though, that these machines may be
used in an environment where other high frequency
generating machines are operating. By taking the
following steps, high frequency interference into the
machine can be minimized
(1)
Make sure the power supply chassis is
connected to a good earth ground. The work
terminal ground does NOT ground the machine
frame.
(2)
Keep the work clamp isolated from other work
clamps that have high frequency.
(3)
If the work clamp cannot be isolated, then keep
the clamp as far as possible from other
work clamp connections.
(4)
When the machine is enclosed in a metal building,
several good earth driven electrical grounds
around the periphery of the building are recom-
mended.
Failure to observe these recommended installation
procedures may cause improper function of the
machine or possibly even damage to the control
system or power supply components.
INPUT ELECTRICAL CONNECTIONS
The machine is rated for 110VAC or 220VAC input
voltage. Before installing the machine, check that
input supply voltage, phase, and frequency are the
same as the machine's voltage, phase, and
frequency as specified on the machine's rating plate.
•
The machine should be connected only by a
qualified electrician. Installation should be made in
accordance with local codes.
For use on engine drives, keep in mind the above
input draw restrictions and the following precaution.