Lincoln Electric INVERTEC SVM158-A Service Manual page 34

C-8
CONNECTION OF THE LN-7 TO THE V350-
PRO USING K480 CONTROL CABLE (SEE
FIGURE C.5)
NOTE: AN LN-7 CAN ONLY BE USED WITH A FAC-
TORY OR "CE" VERSION OF THE V350-PRO. IF
YOUR LN-7 COMES EQUIPPED WITH A K291 OR
K404 INPUT CABLE, REFER TO THE CONNECTION
OF THE LN-7 USING K867 UNIVERSAL ADAPTER.
1. Remove input power to the V350-PRO.
2. Connect the electrode cable from the K480 control
cable to the "+" terminal of the welder and to the
LN-7 wire feeder. Connect the work cable to the
"-" terminal of the welder.
NOTE: Figure C.5 shows the electrode connected
for positive polarity. To change polarity, shut the
welder off and reverse the electrode and work
cables at the output terminals.
NOTE: Welding cable must be sized for current
and duty cycle of application.
Figure C.5 V350-PRO/LN-7 with K480 Control Cable Connection Diagram
14 PIN
AMPHENOL
(115VAC)
AT REAR OF
MACHINE
-
6 PIN
AMPHENOL
ACCESSORIES
3. Connect the input cable from the K480 control
4. Set the "VOLTMETER" switch to "+" or "-"
5. Set "CONTROL SELECT" to "REMOTE".
6. Set the "MODE" to the "CV-WIRE" position.
7. Place the "WELD TERMINALS SELECT" in the
8. Adjust wire feed speed at the LN-7 and adjust the
9. Set the "ARC" control at "0" initially and adjust to
TO LN-7 INPUT
CABLE PLUG
+
K480 CONTROL CABLE
TO WORK
V350-PRO
cable to the (115VAC) 14 pin amphenol on the
V350-PRO and the input cable plug on the LN-7.
depending on the polarity chosen.
"REMOTE" position.
welding voltage with the optional remote control if
used.
suit.
OPTIONAL K857
REMOTE CONTROL
ELECTRODE CABLE
TO WIRE FEED UNIT
C-8