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A-6
HIGH FREQUENCY GENERATORS
FOR TIG APPLICATIONS
The K799 Hi-Freq Unit and the K930-1 or –2 TIG
Module can be used with the Commander 300. The
machine is equipped with the required RF bypass cir-
cuitry for the connection of high frequency generating
equipment. The high frequency bypass network sup-
plied with the K799 Hi-Freq Unit does NOT need to be
installed into the Commander 300.
The Commander 300 and any high frequency generat-
ing equipment must be properly grounded. See the
K799 Hi-Freq Unit and the K930-1 or –2 TIG Module
operating manuals for complete instructions on instal-
lation, operation, and maintenance.
REMOTE CONTROL
The Commander 300 is equipped with a 6-pin and a
14-pin connector. The 6-pin connector is for connect-
ing the K857 or K857-1 Remote Control (optional) or
the K870 hand Amptrol or K812 foot Amptrol (TIG
applications).
1. 120 VOLT, 20 AMP
RECEPTACLES (2)
2. 120/240 VOLT, 50
AMP RECEPTACLE
3. WELD OUTPUT
TERMINALS
4. GROUND STUD
INSTALLATION
FIGURE A.1 - Commander 300 OUTPUT CONNECTIONS
OIL
FUEL
TEMP
2
1
COMMANDER 300
The 14-pin connector is used to connect a wire feeder
or K930-1 or –2 TIG Module control cable. When
remote output control is used, the output control tog-
gle switch must be set at REMOTE.
NOTE: When using the 14-pin connector, do NOT con-
nect anything to the 6-pin connector if the wire feeder
has a built-in power source output control.
Also see the Accessories section of this manual for
more information on wire feeder connections.
WELDING TERMINALS
The Commander 300 has a toggle switch for selecting
"hot" welding terminals (WELDING TERMINALS
ALWAYS ON position) or "cold" welding terminals
(WELDING TERMINALS REMOTELY CONTROLLED
position).
ELECTRICAL OUTPUT
CONNECTIONS
See Figure A.1 for the location of the 120 and 240 volt
receptacles, weld output terminals, and ground stud.
OIL
0 0 0 0 0
0
HOURS
PRESS
AMPS
3
A-6
4
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