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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #1  
Old 05-18-2013
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Refrigerator

If our boat is plugged into shore power while we are away for the week is it ok to leave the refrigerator on? I think "yes", my wife thinks "no".
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Old 05-18-2013
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Re: Refrigerator

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Originally Posted by Gregrosine View Post
If our boat is plugged into shore power while we are away for the week is it ok to leave the refrigerator on? I think "yes", my wife thinks "no".
I am assuming that your refrigeration is 12v? If so, as long as you have a battery charger there is no reason why you can't leave it on.
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Old 05-18-2013
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Re: Refrigerator

yes you can. do it all the time.
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Old 05-19-2013
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Re: Refrigerator

But if your shorepower trips for whatever reason, your batteries gonna to be flatten by the time you return to your boat.
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Old 05-19-2013
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Re: Refrigerator

You might also want to consider the consequences of leaving a seacock open if you have a water cooled system.
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Old 05-20-2013
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Re: Refrigerator

Quote:
Originally Posted by trantor12020 View Post
But if your shorepower trips for whatever reason, your batteries gonna to be flatten by the time you return to your boat.
Quote:
You might also want to consider the consequences of leaving a seacock open if you have a water cooled system.
Lol! Yeah I suppose you could worry about those things! Or if your system is low on refrigerant and your compressor burns out. Or if lightning strikes your boat and your compressor gets fried!

Bottom line: As long as you've got the power, chances are everything will be fine. In fact, it takes more energy to pull a box down to temp than it does to maintain it at temp. The important thing is that your beer will be cold when you get back to the boat!
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Old 05-20-2013
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Re: Refrigerator

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Originally Posted by SchockT View Post
Lol! Yeah I suppose you could worry about those things! Or if your system is low on refrigerant and your compressor burns out. Or if lightning strikes your boat and your compressor gets fried!

Bottom line: As long as you've got the power, chances are everything will be fine. In fact, it takes more energy to pull a box down to temp than it does to maintain it at temp. The important thing is that your beer will be cold when you get back to the boat!
Hey! as long as there's BEER in there....put it on! You can't quarrel with that.
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Old 05-20-2013
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Re: Refrigerator

Ours was turned on Mar 30 and will not go off until Nov 1.

When we are off the boat, they only two 12v things we leave on are the fridge and bilge pump. House batts will last a long time if there is a power outage, although, our charger/invertor will disconnect the batts before they get critically low. 10.5v, I think.
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Old 05-20-2013
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Re: Refrigerator

I think I'd set my low voltage cut off to 12v, just in case. After all, if the shore power is on you should not go below 12.6 in ANY case.
Then again, my boats at my dock. It seldom goes more than a day without a visitor.
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Old 05-20-2013
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Re: Refrigerator

As others have warned, an extended power shutdown will result in spoilage if powered by AC or battery discharge if power by DC.............SOMETIMES!

I have a Summit apartment size fridge on our boat that not only has an interior light but also self defrost. I have an automatic power change over circuit that I built so that if AC or generator power is absent, the fridge's inverter immediately switches over. Most times, that is just fine because I have two 145 watt solar panels to recharge the batteries. Unless we have constant rain/heavy clouds, they adequately replace the depleted battery charges. This spring I will install the other pair of 145watt panels that currently sit in my garage waiting installation.

My point here is that there are ways to overcome the "awe shucks" of dock power loss.

Last edited by foggysail; 05-20-2013 at 11:40 AM.
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