We just advise to shut off the boiler when there is no heating loads. Simple!
Jeremy All Solar Sent by Jeremy's iPhone. Sorry for typos and shorthand! > On Sep 24, 2013, at 4:19 PM, "Kirk Herander" <k...@vtsolar.com> wrote: > > Hi, > > Every summer I get a few calls from annoyed hot water customers who can’t > stand hearing their boiler fire merely to keep the indirect tank up to > setpoint temperature, when of course the solar preheat tank is at 160 degrees > or better at mid-day. So what’s the best way to transfer heat, in essence > temporarily putting the tanks in parallel, from the solar tank to indirect? I > can think of a few possibilities using a circulator and temperature > controller, and a additional connection between the tanks, such as the tank > drains plumbed together as a return line, but where is the best place to > locate the circulator in a standard preheat arrangement (i.e. hot output of > solar preheat plumbed to cold input of indirect tank)? > > Kirk Herander > VT Solar, LLC > dba Vermont Solar Engineering > NABCEPTM Certified Inaugural Certificant > NYSERDA-eligible Installer > VT RE Incentive Program Partner > 802.863.1202 > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org >
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