Miller Electric R-115 User Manual
Page 18
OM-193 471 Page 14
3-9. Interconnecting Power Cord Ground Lead Connection (All Models)
Ref. 802 310
.
The interconnecting power
cord is not supplied with the
unit. Be sure to obtain the prop-
er interconnecting power cord
for the welding power source
the wire feeder is being con-
nected to.
1
Strain Relief
2
Interconnecting Power Cord
.
To ensure cord will be secure in
strain relief, slide supplied tub-
ing over cord.
Insert cord through strain relief.
.
Ground lead must be wrapped
around ground current sensor
to protect ground wire against
damage from weld current.
3
Green Lead (Ground Lead)
4
Ground Current Sensor
5
Chassis Ground Stud
w/Hardware
Wrap ground lead 5 times around
ground current sensor. Connect
and secure end of ground lead to
chassis ground stud.
6
Terminal Block 1T
.
For welding power sources re-
quiring dry contact closure,
move lead 38 at terminal block
to terminal D.
Refer to Sections 3-10 through 3-17
and make additional connections to
terminal block 1T according to the
applicable procedure.
Tools Needed:
1/4 in
3/8 in
1
4
2
5
3
6
3-10. Connection For L-TEC Welding Power Sources With 7-Flat Socket Receptacle
Ref. 802 310 / Ref. 193 749
1
Terminal Block 1T
2
Interconnecting Power Cord
3
Green Lead (Connected To
Connect remaining leads to
terminal block as follows:
A: 115 VAC/Neutral Lead
B: 115 VAC/Hot Lead
C: No Connection
D: No Connection
E: 115 VAC/Contact Closure Lead
Secure strain relief clamp around
cord.
Reinstall and secure wrapper to
unit.
Connect remaining end of cord to
welding power source.
Tools Needed:
1/4 in
1
A
B
C
D
E
2
3
2
1
6
7
3
5
.
Make ground lead connections
according to Section 3-9 before
following this procedure.