Internal Connections For Operating 115/230 Volts, 225 Amperes Ac And Ac/Dc Models From 115 Volts - Miller Electric 225 Owner's Manual

4-8. Internal Connections For Operating 115/230 Volts, 225 Amperes AC And AC/DC
Models From 115 Volts
NOTE
Tools Needed:
5/16, 3/8 in
(cut tie wraps)
7/16 in
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
Follow applicable electrical codes and have a competent electrician make internal
connections. Note the input amperes as stated in Section 4-7.
1
230V Connection
6
To Fan
To Fan
3
7
2
8
5
9
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.
Power Switch
S1 Terminals
2 4
1 3
2
To Fan
2
11
8
4
Y Make sure paint has been removed
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.
115V Connection
6
To Fan
3
5
10
4
Ref. 802 247-E
from area where ground terminal is
secured on unit.
OM-316 Page 17