SW4024 charger cycling - SOLVED! [RE-wrenches]

[Drake Chamberlin, Quicksilver Electrical]

My guess is that the generator motor is wearing, and not as powerful as it
was.

"Chuck Heath, SunPower" wrote:

> Thanks to this list, the problem of a SW4024 cycling between Bulk charge
> and Inverter has been solved, especially suggestions from David Palumbo
> of IP&L, Allan at Positive Energy and others.
>
> Solution: Reduce Max Charge Amps (Menu #10) from previous setting of 35A
> to 25A. Likewise changed Gen AC Amps (Menu #11) from 35A to 25A.
>
> Experimentation showed normal charging using 20A, then later to 25A.
> Upping it to 28A caused the original problem to return - going into Bulk
> for 30 sec., back to inverting for 10 sec., then back into Bulk, over and
> over again. Why it operated normally with the 35A. settings for several
> years is still a mystery.
>
> Gen is a propane-fueled Kohler 12RY, wired for full 120 VAC output.
> Battery is C&D 2-volt industrial, 1270AH @ 20 hr. rate, 24 VDC nominal.
> No solar, wind or hydro charging.
>
> Thanks again!
>
> Chuck Heath
> Big Oak Flat CA
>
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To unsubscribe send a message to: 
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To check out the other RE-Wrench participants:
 www.mrsharkey.com/wrenches/index.html

Hosted by Home Power magazine: 
 www.homepower.com

For info contact list moderator by email:
 michael.welch at homepower.com
___________________________________________________________
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