Yes, output not input. Thanks for clarifying that William... Howie *Sun Catcher*
*Solar Electric Systems Sales & Service802-272-0004* On Tue, May 7, 2024 at 2:55 PM William Miller via RE-wrenches < [email protected]> wrote: > Andrew: > > > > I see no problem paralleling the Charge Controller outputs but I would not > parallel the inputs. With parallel inputs, unless there is protection to > prevent excessive current, there is a risk that one CC will take over and > try to regulate the entire array. > > > > I suggest you divide up the panels to create one appropriately sized > discrete array into each CC. You can parallel two strings of panels > without OCPD. > > > > William > > > > Miller Solar > > 17395 Oak Road, Atascadero, CA 93422 > > 805-438-5600 > > www.millersolar.com > > CA Lic. 773985 > > > > > > *From:* RE-wrenches [mailto:[email protected]] *On > Behalf Of *Andrew Perkins via RE-wrenches > *Sent:* Tuesday, May 7, 2024 9:24 AM > *To:* Re Wrenches > *Cc:* Andrew Perkins > *Subject:* [RE-wrenches] PWM Controllers in parallel > > > > Hello Wrenches, > > I have a client who has a large 2000 watt 12v array > that he said used to be hooked into an internal solar charger on his old > trace. Never seen a trace with one of those in it but he claims it could do > 200a. This internal charger has now died and needs a replacement. He is > refusing to rewire his panels into a new configuration and their aren't > many options for him out there. I did get him a Coleman Aire 400a Charge > controller but it is more of a load controller and wants to be able to > properly absorb is batteries off the sun. He currently has a c60 running > only part of the array and now he is asking about running another c60 in > parallel. Not quite sure if this would work or not but my gut feeling says > no and there will be problems. > > > > If anyone knows of any controllers that would fit that or if running those > in parallel works your advice would be greatly appreciated. > > > > Andrew Perkins > > Greenwired > > P: 707-923-2001 ext. 100 > > 1150 #1 Evergreen Rd > > Redway, CA 95560 > > www.greenwired.com > > > > > > > > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
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