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Air Care Turbo 4200 is tripping breakers, what can we do?

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  • Air Care Turbo 4200 is tripping breakers, what can we do?

    Question: Hi there,
    One of our negative air units (air scrubbers) is an "air care turbo 4200".
    This unit offers two (2) 110 volts plugs for two (2) motors that have a low/high switch option for each motor.
    We are finding this unit blows breakers in the average home, or older commercial buildings even with only one plug being used on the low setting and having its own isolated plug/breaker.
    This is occurring without the hepa filter installed and with just a standard re usable filter in the unit.
    On our other units (different company) we had similar issue and they had a "rheostat" aftermarket dial we could install that allows us to reduce the electrical draw of the negative air unit.
    Do you have any type of aftermarket governor or rheostat that we could have installed into the panel of the 4200 turbo?
    Also, do you have replacement filters for this unit measures 23.5 x 23.5.
    Ps....outside of this minor issue, it's a great unit!
    Thanks in advance,
    Best regards,
    Kevin Smith,
    c.o.o. commercial division

    Answer: Please note that the more you load filters in the unit the less electricity it draws. You are using fewer and or filter with a lower Merv rating causing the amp draw to be increased. I do not offer a rheostat for your motors as I would just tell you to load up the filters if you want it to work easier.
    When customer read the above statement they go "what, less amp draw by making it work harder?"

    Run this experiment. If you own a shop vac? Run the shop vac open flow and then compare this to placing you hand over the end of the hose. The vacuum motor rpm will speed up when you restrict the air flow and the amp draw will fall. The air is causing friction and makes the motors work harder. Less air the motor speeds up because it is working easier. I have a chart showing this at
    Notice on the above chart the open flow is 21,336 rpm and amp draw is 14.8 amps
    Place hand on the end of the hose and now the rpm goes to 26,092 and the amp draw falls to 10 amps.

    We do sell Hepa filters in 24" X 24" X 12" (actual sizes 1/2" less per measurement)
    as well as the 24" X 24" X 6"

    You also might find that some location should be run on a 240 volt to 120 volt electric converter