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Re: T&T: AC refers

From: Peter Bennett (no email)
Date: Tue Feb 26 2008 - 20:20:37 EST

  • Next message: Jim Healy: "T&T: Annapolis Surveyor (Hartoft)"

    Tuesday, February 26, 2008, 2:59:58 AM, ed wrote:

    e> If you have a refrigerator that runs on 110 volts, can I assume that it will
    e> get power through the inverter when the engine is running?

    No.

    e> It would only
    e> draw down the bank while at anchor? Seems obvious but I learned a long time
    e> ago to never assume.

    e> Ed K

    You will have to determine how _your_ boat is wired in order to answer
    this question.

    If the fridge is AC-only, it would seem sensible to have it powered
    from the inverter when shore power is not available - but there's no
    guarantee that it was wired that way.

    Many marine/RV fridges are will run from either 120VAC or 12VDC, using
    AC if available, and automatically switching to DC when the AC is not
    available. (I've often wondered why they bother having the 120VAC
    option - if AC is available, you probably have a battery charger
    running, so there's no problem leaving the fridge running on DC
    full-time...)

    -- 
    Peter Bennett, VE7CEI    Vancouver, B.C., Canada
    Ennos 31 "Honeycomb"
    GPS and NMEA info: http://vancouver-webpages.com/peter 
    Vancouver Power Squadron: http://vancouver.powersquadron.ca
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