6-3. Connecting Optional Auxiliary Power Plant

Front

11 10

1

F3

 

 

 

 

 

2

 

240V

 

F2

 

 

 

 

 

3

240V

240V

240V

F1

 

 

 

 

 

YStop engine.

YPower and weld outputs are live at the same time. Discon- nect or insulate unused cables.

.Have qualified person install ac- cording to circuit diagram and Auxiliary Power Guidelines Booklet (M176 712).

.Place optional Process switch in Stick position when using op- tional auxiliary power plant.

Remove junction box cover.

1Lead 93

2Lead 92

3Lead 91

4Lead 90 (Neutral)

5Isolated Neutral Terminal

6Jumper Lead 42

7Grounding Terminal

8Lead 42 (Circuit Grounding Lead)

120V

120V

4

5

6

7

8

AC

Single

Three

Phase

Phase

Output

 

1

3

Volts

120/240

240

Amps

35

30

KVA/KW

8.5

12.5

Frequency

60 Hz

Engine Speed

1850 RPM

Max. Fuse Size

45 Amperes

Lead 42 connects to GROUND stud on front of unit.

13

9

93

91

90

Jumper 42 is connected to 90 at factory.

92

Tools Needed:

Jumper 42 is connected to lead 90 at factory. Jumper 42 may be discon- nected from neutral to meet applica- ble electrical codes.

Lead 42 connects to front panel Ground stud.

9User-Supplied Leads

10Load Terminals

Connect leads to terminals.

11 Fuses F1, F2, And F3

F1, F2, and F3 protect each load line from overload.

.Set Engine Control switch to Run when using auxiliary power.

Ref. S-185 000–A

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Miller Electric Big 40G manual Connecting Optional Auxiliary Power Plant, Front