Quote:
Originally Posted by westom
First you cannot use deep cycle batteries in interior environments. They can output dangerous gases.
Second, a typical UPS outputs power so 'dirty' as to harm small electric motors and power strip protector. Same electricity is ideal for routinely 'more robust' electronics. To obtain a UPS with sufficient clean power starts at $500 or $1000 - before violating UL safety ratings by adding external batteries. Or power those motors, etc from a DC power supply that would isolate DC motors, etc from AC mains by first converting AC to regulated DC power. But that means replacing AC motors with DC motors.
Options are available. But one should first learn some simple electrical concepts before changing things - ie externally attached batteries.
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You can get sealed batteries as well but I would still suggest putting them and the UPS outside in a dry, heated (more for winter and to help keep it dry) location not too far away. It can be bulky and not look that great.
... the idea of replacing the small 12v or 24v batteries that are in the UPS is so you have "sufficient clean power" I'm not sure what UPS your talking about but the ones I have looked at are good.
I didn't even hint at trying to do a DC motor...
Some things that most UPS do are:
When there is a surge in the power they will blow the surge protector and continue to supply the power (often beeping and a small LED flashes to tell you it has no power) then when you notice it you go hit the reset button and voila you have your power back from the wall and it slowly charges your batteries again.
When there is a lull it continues to provide power to the system to make it constant (AKA clean)
When I say that the UPS is clean I don't mean that it provides exceptional power regulation, all I am saying is that it is far superior to strait dirty power from the wall.
It would have prevented his GFI from going off as it would have supplied the power needed when the power "blinked" and there wouldn't have been the surge of power needed to start-up all the equipment that had shut off for a fraction of a second. Also I have heard that some chillers will be stuck in the on position after a Blink. Pumps not starting up at all...
The only problems I have heard of about DIY mods on a UPS is when they didn't do it right. So if you don't know what you are doing get someone who does to do it for you. Or
"obtain a UPS with sufficient clean power" they "starts at $500 or $1000" I didn't look to see if they have "sufficient" power but even at that price tag they may lack a little in power. AKA only last a few hours instead of like 12-48 for the DIY depending on how many batteries you want. Also there are several different kinds of power storage other then Deep Cycle batteries but I found the Deep Cycle to be the cheapest way to go (cheap is a relative term).
Another thing that you (
Doug) could do is have your power items on more separate GFI circuits and when they all power on at the same time in that manner it won't pop the GFI. Given the fact that you can't reproduce the problem I would say that you are quite close to the threshold and you could move one powerhead or heater and it "shouldn't" happen again... but no promises.