3. connecting 1-phase input power – Miller Electric 350 VS User Manual

Page 18

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OM-2251 Page 14

4-3. Connecting 1-Phase Input Power

Ref. 804 532-A

!

Installation must meet all Na-

tional and Local Codes − have

only qualified persons make

this installation.

!

Disconnect and lockout/tag-

out input power before con-

necting input conductors from

unit.

!

Always connect green or

green/yellow conductor to

supply grounding terminal

first, and never to a line termi-

nal.

.

The Auto-Line circuitry in this unit
automatically adapts the power

source to the primary voltage be-

ing applied. Check input voltage

available at site. This unit can be

connected to any input power be-

tween 208 and 575 VAC without

removing cover to relink the pow-

er source.

1

Black And White Input

Conductor (L1 And L2)

2

Red Input Conductor

3

Green Or Green/Yellow

Grounding Conductor

4

Insulation Sleeving

5

Electrical Tape

Insulate and isolate red conductor as

shown.
6

Input Power Cord.

7

Disconnect Device (switch

shown in the OFF position)

8

Disconnect Device Grounding

Terminal

9

Disconnect Device Line

Terminals

Connect green or green/yellow

grounding conductor to disconnect

device grounding terminal first.
Connect input conductors L1 and L2

to disconnect device line terminals.
10 Overcurrent Protection
Select type and size of overcurrent

protection using Section 4-5 (fused

disconnect switch shown).
Close and secure door on disconnect

device. Remove lockout/tagout de-

vice, and place switch in the On posi-

tion.

7

6

L1
L2

1

=GND/PE

Earth

Ground

3

1

8

9

10

Tools Needed:

1

6

5

4

2

3

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