Remote 6 Receptacle Information; Tig Lift-Arc Dcen (Direct Current Electrode Negative) Connections - Miller Electric UNITOR UWI 150 Auto-Line Owner's Manual

4-8. Remote 6 Receptacle Information

4-9. TIG Lift-Arc DCEN (Direct Current Electrode Negative) Connections

7
OM-220 340 Page 16
15 VOLTS DC
OUTPUT
CONTACTOR
REMOTE
OUTPUT
CONTROL
Ref. 803 351-C
CHASSIS
1
2
Socket
6
1 Contactor control +13.8 volts DC.
2 Contact closure to 1 completes contactor control
circuit and enables output when Lift-Arc TIG re-
mote is selected.
3 Output to remote control; +10 volts DC output to
remote control.
4 0 to +10 volts DC input command signal from
remote control.
5 Remote control circuit common.
6 Chassis common.
4
5
6
3
Socket Information
!
Turn off power before mak-
ing connections.
1 Positive (+) Weld Output
Terminal
Connect work lead to positive weld
output terminal.
2 Negative (−) Weld Output
Terminal
Connect TIG torch to negative weld
output terminal.
3 Gas Cylinder
4 Cylinder Valve
Open valve slightly so gas flow
blows dirt from valve. Close valve.
5 Regulator/Flowmeter
6 Flow Adjust
Typical flow rate is 15 cubic feet per
hour (7.1 liters per minute).
Connect torch gas hose to regula-
tor/flowmeter.
7 Gas Valve
Valve controls gas preflow and
postflow. Open valve on torch just
before welding.
Tools Needed:
11/16 in., 1-1/8 in., (21 mm)
803 819-A