Miller Electric HF-251-2 manual Power Source Plug Information And Connections, Amperage Control

NOTE

The supplied cord with plugs is for use with CC or CC/CV welding power sources having the proper, matching 14-pin receptacle. Do not use cordset on machines without the 14-pin receptacle.

3-4. Power Source Plug Information And Connections

Connect Remote 14 Plug PLG4 if remote contactor and/or remote amperage control from the HF unit are desired.

3

1

2

5

J A

I K B

H N L C

GM D

F E

4

YTurn Off HF Unit and welding power source, and discon- nect input power before making connections. Stop engine on welding genera- tors.

1Six-Pin Power Source Block Plug PLG2

2Supplied Six-Pin Receptacle RC2

3Strain Relief Clamp

4Remote 14 Plug PLG4

5Keyway

To Connect PLG4 to Remote 14 re- ceptacle on the welding power source, align keyway, insert plug and tighten threaded collar.

6	5	4
3	2	1

The following pin information is included in case the supplied cord is not suitable, and it is necessary to wire a receptacle to interface with plug PLG2.

Front View

Of PLG2

	Pin*	Pin Informaton
Remote	1, 2	Provides contact closure for Output (Contactor) operation.
Contactor Control
Remote	3	Amperage control connection − maximum side.
	4	Amperage control connection − wiper contact.
Amperage Control
	5	Amperage control connection − minimum side.

*The remaining pin is not used.

159 645-A / Ref. S-0004-A / S-0283-A

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