Miller Electric Invision 456MP manual Connecting Input Power, For All Models

3-12. Connecting Input Power

! Turn Off welding power source, and check voltage on input capacitors accord- ing to Section 6-3before proceeding.

1 Strain Relief Connector Clamp Obtain and install proper connector.

2 Input And Grounding Conductors

3 Contactor W1

Select size and length using Sec- tion 3-10. Connect as shown in illustration.

L1 L2 L3

For Models With Optional Ground Current Sensor:

4 Ground Current Sensor

3

1

Connections For

Standard Model

4

2

Or

When cutting input and ground con- ductors to length, ground conductor must be 26 inches (660 mm) long to wrap around ground current sen- sor. Note that ground conductor must be insulated between strain relief and ground terminal.

Insert input and grounding conduc- tors through strain relief. Route grounding conductor through reed

5switch from right side of unit, under switch, and through reed switch again (two turns total) before con- necting to ground terminal.

For All Models:

	5 Line Disconnect Device
L1	See Section 3-10.
L2	Reinstall right side panel.
L3

= GND/PE

! Always connect grounding conductor first.

1 2

				Tools Needed:
3	L1	L2	L3
	Connections For			5/16 in
Models With Optional
Ground Current Sensor				801 535-B / 801 822-A

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