short lived UPS system [RE-wrenches]

Hugh Piggott hugh at scoraigwind.co.uk
Mon Sep 15 10:12:45 PDT 2003


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At 8:03 AM -0700 13/9/03, Darryl Thayer wrote:
>   I just got a new customer
>who has a UPS system consisting of two sw5548
>inverters, and 800 AH of batteries.  He has only had a
>few outages but he has ruined his second set of
>batteries in less than three years.
>
>How should I solve this to make this system last
>longer?

Check the float voltage setting, and set it much lower, so they do 
not gas.  If the system is not being used, then it should not use 
water.

Maybe it is never getting out of bulk charge because of a defective cell(s)?
-- 
Hugh

http://www.scoraigwind.co.uk/

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