6-3. Connecting Optional Auxiliary Power Plant

1011

YStop engine.

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

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

Remove junction box cover.

1Lead 93

2Lead 92

3Lead 91

4Lead 90 (Neutral)

5Lead 42 (Circuit Grounding Lead)

Lead 42 connects to front panel Ground stud.

240V

240V 240V

1

2 F3

3

F2

240V

F1

6Grounding Terminal

7Jumper Lead 42

8Isolated Neutral Terminal

Jumper 42 is connected to lead 90 at factory. Jumper 42 may be dis- connected from neutral to meet applicable electrical codes.

9

User-Supplied Leads

10

Load Terminals

120V 120V

31

4

88

77

6

5

9

AC

Single

Three

 

Phase

Phase

 

Output

93

 

1

3

Volts

120/240

240

 

Amps

31

24

91

KVA/KW

7.5

10

 

Frequency

60 Hz

 

90

Engine Speed

1850 RPM

 

Max. Fuse Size

35 Amperes

 

Lead 42 connects to GROUND stud on front of

92

unit.

 

 

 

Jumper 42 is connected to 90 at factory.

Tools Needed:

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-180 187-A

OM-129 647 Page 26

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Miller Electric OM-129, 500DX R manual Connecting Optional Auxiliary Power Plant, 1011, Load Terminals