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#1
11-24-2010, 01:24 AM
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Not a bad idea since it has the automatic transfer switch to kick in the backup even if you're not around. The only thing with that inverter is that it produces a modified sine wave which generally is not good for any type of AC motor. A pure sine wave inverter is going to substantially increase the price of this thing, which is already well over $400.
Alternatives other than the generator, which you already know about, is a VorTech with battery backup. This will set you back over $500 if you buy the EcoTech battery backup for the pump, but it wouldn't be too difficult to rig a deep cycle battery up to any VorTech pump. All you need is some wire and a small connector to plug into the 12 volt receptacle on the VorTech driver. The driver automatically switches to the 12 volt supply once the 24 volt supply is lost. I think Tunze now also has a battery backup for some of their pumps. Quote:
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Mike 77g sumpless SW DIY 10 watt multi-chip LED build  http://www.canreef.com/vbulletin/showthread.php?t=82206
Last edited by mike31154; 11-24-2010 at 01:30 AM. 
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#2
11-24-2010, 04:24 AM
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I was looking at this awhile ago. There's lots of online mods to computer ups's. The big thing to watch for is that most computer ups's are made to provide power for only a few min to shut down. So they do not offer any cooling for the inverter or transformer. There story's of house fires from the transformers melting through the case. I've read that you should only run them at 25% loading if you are going to run continuous. It's doable, look at gel battery's since they are safer indoors, just pricey.
I'm sure lots of the prince Rupert area reefers have some decent idea's after the past few months. Some multi day outages there... http://www.instructables.com/id/Rewo...sive-Capacity/
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My 150 In Wall Build Last edited by Lampshade; 11-24-2010 at 04:27 AM.
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