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Old 01-02-2010, 04:05   #16
Don't ask if you can't handle it
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For what it's worth, my inverter says NOT to run water heaters off it. Mine is wired in a way that it would if I shut the breaker.

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Old 01-02-2010, 09:54   #17
Nearly an old salt
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Many people are unreasonably scared of big invertor loads. There is a very interesting book that can be downloaded from the Victron Site.
where it covers cooking etc by invertor.

Based on my figures, my water heater takes about 30 minutes to bring the calorifier up to temp. This is based on a reasonable ambient temp. Its 1000watt and this is 90 amps, but only 45 amp hours. with a 800amp/h bank, this is well within its capability, as would 90 A/h. The main issue is to have recharging systems sized to recharge that energy lost, otherwise repalcing it will take foreever.

Do it, it works.

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