I think I am going to need about 250 wattsDo you know how much power your Vigas 40 needs?
ac
Not enough info. You need 250W for how long? Do you want to run anything else with this system, lights etc? I've installed Xantrex systems (great products). When you say 600 series do you mean the stand alone or wall mount? 12V or 24V I've used anything from colf cart batteries (cheap don't last as long, if used on a regular basis) to Trojan $$$$ batteries. These are all flooded type.
Some things to consider........ Also a simple UPS can work if all you want is to run a circulator and boiler fan.
TS
I have a Pro Watt 2000 that is on a bank of floor scrubber batteries. They are 6 volt so you need at least 2 of them. Check with industrial battery suppliers and battery recyclers for used ones. Look for commmercial floor cleaning companies as some replace there batteries ever few years no matter what.It would only be powering my boiler and one circulator. I would think that 2-3 hours would be enough time to act as a dump time.
12volt batteries
The inverter is a xantrex pro watt 600 http://www.xantrex.com/power-products/power-inverters/prowatt-sw.aspx
nrcrash, thats the sytem I have, the xantrex pro watt 600. I've got it hooked up to two deep discharge batteries from walmart. (230 amp/hr total) I use them for my Engle 12 v refridgerator when camping. I find that they will run my Tarm and some circ pumps for 6-8 hours,depending on how many are running. You can throw a kill-a-watt meter on to find out your max draw and your draw over time.
I got a relay from Xantrex for the prowatt that will automatically switch over to the inverter when the power goes out. The only problem is that when on, the inverter does draw some power and over the course of a couple of weeks will deplete the batteries, and it has to be on for the relay to work.
I just leave it off and a float charger on the batteries until it looks like there might be a storm.
My thought is that this will keep the boiler running until morning so I don't have to get out of bed.
I am now replacing my (backup) battery bank. Had decided on Trojan L16's, but phoned their tech number to ask some questions. The fellow had a very interesting point. Because they are strictly "backup" and rarely are used he suggested I should use the shortest (as in height) to avoid stratification of the water/acid. I guess with very infrequent usage the acid will seperate out. He suggested the T105 and as many as I calculated need. I ordered10. Because extremely low usage I should get about 8 years, maybe a bit more. Also suggested I manually "use" them about every 6 months, maybe down to 90%.
10 of them?!? Are you using them to power additional items at your house besides the boiler and circulator?
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