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B-1
OPERATION
B-1
Read and understand this entire section before operat-
ing your Idealarc SP-250.
SAFETY INSTRUCTIONS
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts such
as output terminals or internal wiring.
• Insulate yourself from the work and
ground.
• Always wear dry insulating gloves.
------------------------------------------------------------------------
Only qualified personnel should operate this equip-
ment.
ADDITIONAL SAFETY PRECAUTIONS
Always operate the welder with the hinged door closed
and the side panels in place as these provide maxi-
mum protection from moving parts and insure proper
cooling air flow.
GENERAL DESCRIPTION
Product Description
The IDEALARC SP-250 is a complete semiautomatic
constant voltage DC arc welding machine built to meet
NEMA specifications. This unit combines a constant
voltage power source, a constant speed wire feeder,
and a microcomputer-based controller to form an intel-
ligent welding system.
A front panel touch key entry system with audible feed-
back, along with a two-line, 32 character alphanumer-
ic display, provide user friendly control of the system.
The system provides full range control from the keypad
or from the thumb switch built into the SP-250 welding
gun, which permits "on the fly" control while welding
Multi language display capability allows the SP-250 to
communicate with the user in any of the following five
languages: English, German, French, Spanish, or
Japanese (Katakana).
Proper welding setup is simple. You only need to
select the gauge size of the material to be welded and
enter the welding process to used. With that data, the
system
• automatically computes the proper wire feed
speed and arc voltage relationship for the process.
• selects the right procedure for optimum starting,
welding, and burnback.
The system allows you to store up to five separate
welding setup procedures. You can recall them at any
time at the touch of a single key. All active setup selec-
tions, as well as those stored in the memory locations,
are automatically saved when power is turned off or
disconnected. Whatever procedure was being used
when power was removed, will be recalled when power
is returned. The SP-250 does not require batteries to
maintain memory data.
IDEALARC SP-250
WARNING