Miller Electric 225 - Manual (Page 21)

OM-316 Page 17
4-8. Internal Connections For Operating 115/230 Volts, 225 Amperes AC And AC/DC
Models From 115 Volts
Follow applicable electrical codes and have a competent electrician make internal
connections. Note the input amperes as stated in Section 4-7.
NOTE
Y Turn Off unit and disconnect input
power.
1 Wrapper
Remove wrapper.
2
Jumper Leads
Cut tie wrap securing jumper leads to power
cord lead and remove jumper leads.
3
Lead 2
4 Lead 3
Remove insulated sleeving, and disconnect
lead 2 from lead 3.
5
Lead 4
6 Power Switch S1 (As Viewed From
Rear Of Switch)
Disconnect lead 4 from terminal 2 on S1.
Connect lead 3 and one end of jumper lead to
terminal 2.
Connect other end of jumper lead to terminal
4 on S1. Be sure existing connection to that
terminal remains.
7
230 V Input Power Cord Black Leads
8 Green Ground Lead (On Rear Panel)
Disconnect input power cord black leads from
S1, and disconnect green ground lead from
ground terminal on rear panel.
9
Input Power Cord Strain Relief
Loosen strain relief, and remove 230 volt in-
put power cord.
Obtain correct size and length 115 volt input
power cord (see Section 4-7). Install correct
size ring terminals to cord leads.
Route cord through strain relief, and connect
green lead to ground terminal.
.
To install large power cords, remove
knock-out located on lower rear panel of
unit, insert power cord, and install plug
into original power cord hole.
Y Make sure paint has been removed
from area where ground terminal is
secured on unit.
10 115 V Input Power Cord White Lead
Connect lead 2, lead 4, and white input power
cord lead together, and secure with existing
hardware. Reinstall insulated sleeving.
11 115 V Input Power Cord Black Lead
Connect black input power cord lead and
jumper lead to terminal 3 on S1.
Connect other end of jumper lead to terminal
1 on S1.
Use tie-wraps to secure all leads away from
transformer, stabilizer and fan. Be sure leads
are clear of movable shunt.
Tighten strain relief, and install wrapper.
Connect input power according to Section
4-10.
5/16, 3/8 in
(cut tie wraps)
Ref. 802 247-E
7
6
4
3
2
230V Connection 115V Connection
1
Tools Needed:
7/16 in
5
8
9
4
1
2
3
Power Switch
S1 Terminals
6
3 2
4
5 8
2
10
11
To Fan
To Fan
To Fan
To Fan