[RE-wrenches] Apricus SHW Charging

Ken Schaal ken at commonwealthsolar.com
Thu Oct 30 05:15:35 PDT 2008


Carl

Not sure about the high pressure ,as I use flat plates, but I would assume 
it is because of the extremely high  stagnation temps. What does the 
manufacturer say?

As for charge pump, you could use a progressive cavity, ' carbonator pump'.
Contact off list for more info-------


----- Original Message ----- 
From: "Carl Adams" <swingjunkie at gmail.com>
To: <re-wrenches at lists.re-wrenches.org>
Sent: Wednesday, October 29, 2008 11:20 PM
Subject: [RE-wrenches] Apricus SHW Charging


>I am reviewing the commissioning instructions for the Apricus solar
> DHW system.  I note that the specified charging pressure for the
> glycol loop is 72.5 psi per the manual.  This seems high compared to
> other systems I have experience with.  Can anyone comment on
> 1) The science behind the high system charging pressure and
> 2) an off the shelf pump you use to achieve these pressures
>
> With Regards
> Carl Adams
> NABCEP Certified Solar PV Installer
> NABCEP Certified Solar Thermal Installer
> SunRock Solar
> Cincinnati, Ohio
> www.sunrocksolar.com
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