We will use a vinigar water solution but you will need more volume fill it and run it for some time then flush, repeat as nessesary. Cooked glycol is messy to clean. Jerry On Apr 17, 2015 7:21 AM, "Kirk Herander" <k...@vtsolar.com> wrote:
> Hello, > > > > I have an older 10 collector system in which the glycol has stagnated due > to a defective collector sensor, apparently for some time. I was able to > drain the collectors, the cooked glycol is black with a good bit of > sediment. I tried to flush the system with water but my ½ hp utility pump > could not pump the water entirely through the collectors. Suction slowed > down and stopped after just a few gallons, as if the pump couldn’t overcome > the effective head of the system. I had no problem using this pump to > charge the loop when it was commissioned. I suspect the collectors may be > gummed up with cooked glycol. I guess compressed air is next to try. Are > there any safe chemicals to use to purge / un-gum the collectors? Thanks. > > > > *Kirk Herander* > > *VT Solar, LLC * > > *Proven PV provider since 1991* > > *www.vermontsolarnow.com <http://www.vermontsolarnow.com>* > > dba Vermont Solar Engineering > > NABCEPTM Inaugural Certificant > > VT RE Incentive Program Partner > > 802.863.1202 > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > >
_______________________________________________ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
