AC circulator vs. PV driven DC [RE-wrenches]

[Michael Welch]

Just a reminder everyone. Be sure to suspend your Wrenches messages via the Topica web site if you need to use "vacation messages."

I have turned off Kevin's Topica sends until he lets me know he is back, so this will not happen again.

Peace

Kevin Rose wrote at 04:50 PM 04/09/2003:
  
>FYI-Kevin is at a conference this week.  Will return on Monday.
>----- Original Message ----- 
>From: "Peter Talmage" <ptalmage at yahoo.com>
>To: <RE-wrenches at topica.com>
>Sent: Wednesday, April 09, 2003 7:14 PM
>Subject: AC circulator vs. PV driven DC [RE-wrenches]
>
>
>> I am designing a solar heating system which will use
>> 10  4'x10'collectors. I had planned to use a single AC
>> pump operated by a differential controller. The system
>> uses antifreeze so there is only modest head to
>> overcome. My customer likes the reliability of a DC
>> pump driven by a PV. I usually do this with small
>> systems, but this one would need 4 Hartell pumps to
>> get adequate flow, considering head loss. Anyone have
>> any thoughts ?  Thanks.
>> 
>> Peter

- - - -
To send a message: RE-wrenches at topica.com

Archive of previous messages: http://www.topica.com/lists/RE-wrenches/

List rules & etiquette: http://www.mrsharkey.com/wrenches/etiquete.htm

Check out participant bios: www.mrsharkey.com/wrenches/index.html

Hosted by Home Power magazine

Moderator: michael.welch at homepower.com

==^================================================================
This email was sent to: michael_welch at sbcglobal.net

EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9.bWljaGFl
Or send an email to: RE-wrenches-unsubscribe at topica.com

TOPICA - Start your own email discussion group. FREE!
http://www.topica.com/partner/tag02/create/index2.html
==^================================================================