Connecting 3-Phase Input Power - Miller Dynasty 300 SD Owner's Manual

4-12. Connecting 3-Phase Input Power

3
6
Tools Needed:
3
4
1
Y Installation must meet all National
Y Disconnect and lockout/tagout in-
Y Always connect green or green/
= GND/PE Earth Ground
.
7
For Three-Phase Operation
2
1
2
3
4
L1
5
L2
5
L3 6
Connect green or green/yellow grounding
conductor to disconnect device grounding
terminal first.
Connect input conductors L1, L2, and L3
to disconnect device line terminals.
7
Select type and size of overcurrent protec-
tion using Section 4-11 (fused disconnect
switch shown).
Close and secure door on disconnect de-
vice. Remove lockout/tagout device, and
place switch in the On position.
and Local Codes − have only quali-
fied persons make this installation.
put power before connecting input
conductors from unit.
yellow conductor to supply
grounding terminal first, and never
to a line terminal.
This unit is equipped with Auto-Link
Auto-Link is an internal inverter power
source circuit that automatically links
the power source to the primary volt-
age being applied (230 to 460 V), with-
out the need for manually linking pri-
mary voltage terminals.
Input Power Cord.
Disconnect Device (switch shown in
the OFF position)
Green Or Green/Yellow Grounding
Conductor
Disconnect Device Grounding
Terminal
Input Conductors (L1, L2 And L3)
Disconnect Device Line Terminals
Overcurrent Protection
2/04 - Ref. 802 136-A
OM-358 Page 17
.