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T&T: Re: Cooler/Freezer and MSW Inverter

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Date: Sun Oct 24 2004 - 18:48:14 EDT

  • Next message: Ron Rogers: "T&T: Re: Re: Onan Mounts"

    Bruce,
    We have a small, I believe its a Danby (may be another brand but seems to me
    all those "dorm size" reefers are about the same) that we run on an inverter
    (600 watter) without a problem.
    Are you trying to get it to start immediately after changing over? If so
    that may be the problem. All refridge compressors are very hard to start
    immediately after they have been running. Some of the more expensive models
    have either a time delay that won't let them start for a while or maybe an
    unload valve so that the compressor is not starting against pressure. When a
    compressor starts against pressure it takes a terrific amount of kick to get
    it going. 900-1000 watts would not be out of the question for a 100 watt
    running compressor. It probably sucks 600-700 watts starting normally
    against no pressure .
    I have installed a small monitor light so that we can tell when the fridge
    is running so that we don't try to make the change from inverter to
    shorepower or vice versa while the compressor is running. If the light is on
    we either wait until it goes off to make the change or turn it off at its
    breaker, make the change and wait 4-5 minutes before turning it back on.
    Bill
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