Lincoln Electric OPTIMARC CV500 Service Manual page 14

SVM7007
14. ARC CONTROL
This knob controls the arc output characteristic.
When it is turned clockwise, the arc is crisper.
When it turned counter‐clockwise, the arc is softer.
15. LOCAL OUTPUT CONTROL
When the CONTROL SWITCH is set to "LOCAL", The
output voltage ( CV mode ) or output current ( CC
mode ) will be controlled by this knob.
In TIG mode, it will control the maximum output
current.
In stick mode, it will control the output current
range.
16. NEGATIVE OUTPUT STUD
17. POSITIVE OUTPUT STUD
18. 6‐PIN AMPHENOL CONNECTOR
Please see the FIGURE A.7 for the details of the
connection. Recommend remote controller for
GTAW mode is K870 ( Foot amptrol ), and
recommend remote controller for SMAW is K857
( Pot control ).
19. 6‐PIN WIRE FEEDER CONNECTOR
Please see the FIGURE A.6 for the details of the
connection.
20. STATUS INDICATOR
The status light will be green for normal operation.
The status light will flash in red with a serial of error
digital codes as power source gets in some trouble.
The status light will always have synchronization
with the LED3 on switchboard inside machine.
REAR PANEL (PLEASE SEE FIGURE B.2)
21. INPUT CABLE HOLDING BRACKET
This bracket securely holds the three phase power
cables in place.
22. INPUT BOX
This insulation box is used to cover the input
connections.
WARNING
This insulation box must be secure before turning on
the main power supply.
23. GROUND LEAD CONNECTION
Connect the ground lead to the paint‐free location
on the case back by securing its lug‐end with the
screw into the case.
OPERATION
24. AUX. POWER RECEPTACLE
Export type machine: This is a 220V/200W auxiliary
power output socket, for gas heater.
Only plug the correct gas heater into this receptacle.
DO NOT plug other electric devices into the
receptacle, otherwise, damage may occur to the
machine.
25. FUSE AND FUSE HOLDER
Export type machine: 250V/2A fuse is used to
protect the auxiliary 220V power outlet.
26. FUSE AND FUSE HOLDER
250V/8A fuse is used to protect the auxiliary power
for the wire feeder.
®
OPTIMARC CV/CC500
CAUTION
FIGURE B.2 – REAR PANEL
B‐4