3-9. Interconnecting Power Cord Ground Lead Connection (All Models)

5

3

4

.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.

1Strain Relief

2Interconnecting 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.

3Green Lead (Ground Lead)

4Ground Current Sensor

5Chassis 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

Tools Needed:

2

1

. For welding power sources re-

quiring dry contact closure,

move lead 38 at terminal block

to terminal D.

6

3/8 in

1/4 in

Refer to Sections 3-10through 3-17and make additional connections to terminal block 1T according to the applicable procedure.

Ref. 802 310

3-10. Connection For L-TEC Welding Power Sources With 7-Flat Socket Receptacle

 

 

 

. Make ground lead connections

 

1

Terminal Block 1T

 

 

 

 

 

 

2

Interconnecting Power Cord

 

 

 

 

according to Section 3-9before

 

 

 

 

 

 

3 Green Lead (Connected To

 

 

 

 

following this procedure.

 

 

 

 

 

 

 

Ground In Section 3-9)

 

 

 

 

 

 

 

 

 

 

 

 

 

Connect

remaining

leads

to

 

 

 

3

 

terminal block as follows:

 

 

 

 

 

A: 115 VAC/Neutral Lead

 

 

 

 

E

 

 

 

B

C D

 

B: 115 VAC/Hot Lead

 

 

A

 

 

 

C: No Connection

 

 

 

 

 

 

 

D: No Connection

 

 

1

 

 

1

2

E: 115 VAC/Contact Closure Lead

 

 

3

5

 

 

 

Secure strain relief clamp around

 

 

 

 

 

 

 

 

6

7

cord.

 

 

 

 

 

 

 

 

Reinstall and secure wrapper to

 

 

 

2

 

unit.

 

 

 

 

 

 

 

Connect remaining end of cord to

 

 

 

 

 

 

 

 

 

 

welding power source.

 

 

Tools Needed:

 

 

 

 

 

 

 

 

 

 

1/4 in

 

 

 

Ref. 802 310 / Ref. 193 749

 

 

 

 

 

 

 

OM-193 471 Page 14

 

 

 

 

 

 

 

Page 18
Image 18
Miller Electric R-115 Ground lead must be wrapped, For welding power sources re, Quiring dry contact closure, OM-193 471