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27 thoughts on “Refrigeration: Electrical troubleshooting on a new WALK IN BOX. WIC.

  1. Jacob Foxworth says:

    Hey rookie, what's up man? I am an electrician turned hvacr tech. To me it looks like that breaker terminal itself was the problem. Its not uncommon for some gorilla to come in during the panel install and torque the crap out of those breaker bus bar screws. Sometimes they're even stripped out. It may be stripped or loose which caused the arcing. Once it starts arcing it only get worse from there. Not sure if that was the problem, but it would be my educated guess. Nice video man, keep them coming.

  2. throttle bottle says:

    looks like the breaker screw was loose on the bus bar, high start current can make it arc open, you resetting it moved it enough to make contact and possibly arc closed again.
    I hope the bozo's cleaned the panel bus bar or it will fail again. **it should be replaced if it's been arc welding though, I think those panels have replaceable sections

  3. XRAY Bravo says:

    Question related to HVACR- what is your normal saturated condensing tempteture should be during low ambient or what tempteture it should not fall bellow, I heard 85 to 105F
    I want to understand low ambient head pressure control properly what is that magic number it should not fall bellow also one refrigeration tech was telling me you will want a 70 degree F liquid temp going to your TXV for better operation can you explain this a little in detailed way so I dont have ask others thank you..
    Thank you.

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