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  1. #1
    Join Date
    Dec 2012

    Default Miller HF251D High Frequency Qustions

    Miller HF251D High Frequency Arc Starter
    Hope someone can answer a few questions
    Thinking about purchasing a HF251D High Frequency ArcStarter.
    Reading the miller manual. It appears you do not have to usethe remote control current conection.
    As my engine driven does not have one.
    So used like this.
    I am assuming I would set my max current on the power source(engine driven welder)
    Sound correct?
    And would the foot pedal connected to the HF251D HighFrequency box.
    Still function like a normal tig welder. Start the weld and control the current at thetorch?
    Or would it just be a scratch start. With the addition ofHigh Frequency?

    Thanks in advance
    For your input.

  2. #2
    Join Date
    Mar 2012


    You won't be able to control your amp setting unless you are set up with remote. What you have dialed at your welder is what you will be welding with. The box doesn't control the amperage. You will be able to start with high frequency. When you are finished welding however you will have to pull off to break the arc. With no remote you can't control your welder's contractor. The hf box doesn't have an internal contractor nor rheostat. I ran my hf box with out remote setup for a while. I got the hang of it pretty good until I bought a hand control and the miller cable to install on the box to connect to my shop master's remote port.

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