Connecting Optional Auxiliary Power Plant - Miller Electric 500DX R Owner's Manual

6-3. Connecting Optional Auxiliary Power Plant

240V
240V 240V
120V
3 1
Single
AC
Phase
Output
1
Volts 120/240
Amps 31
KVA/KW 7.5
Frequency
Engine Speed 1850 RPM
Max. Fuse Size 35 Amperes
Lead 42 connects to GROUND stud on front of
unit.
Jumper 42 is connected to 90 at factory.
Tools Needed:
OM-129 647 Page 26
10
F3
F2
240V
F1
120V
8 8 7 7
9
Three
Phase
3
240
24
10
60 Hz
11
1
2
3
4
6 5
93
91
90
92
Y Stop engine.
Y Power 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.
1 Lead 93
2 Lead 92
3 Lead 91
4 Lead 90 (Neutral)
5 Lead 42 (Circuit Grounding
Lead)
Lead 42 connects to front panel
Ground stud.
6 Grounding Terminal
7 Jumper Lead 42
8 Isolated 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
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