Heat redistribution/timer [RE-wrenches]

[Bill Roush, Solar Electric Systems]

Try Seelye Equipment,
www.flexcharge.com/flexcharge_usa/products/programmable_timer/programmable_t
imer.htm

Best,
Bill Roush
Solar Electric Systems of Kansas City, Inc.
13700 W. 108th St., Lenexa, KS 66215
913-338-1939, 913-469-5522fax.800-632-9751
solarbeacon at email.msn.com
www.solarguide.com


-----Original Message-----
From: Gary Higbee, Solutions from the Land [mailto:ghigbee at efn.org]
Sent: Wednesday, February 21, 2001 3:08 PM
To: RE-wrenches
Subject: Heat redistribution/timer [RE-wrenches]


Hi Wrenches,

I'm working with a client who would like to be able to run his 1/3hp
240-volt circulating fan. While I know that these things use a lot of power
he is also grid-tied, and wants to be able to redistribute heat from his
woodstove (in a high-ceiling room)into other rooms in the house. I'll likely
drop in a T-240 for this. What I'd like to be able to do, though, is have a
timer that would make the fan run for something like 5-10 minutes each hour.

So what I'd like is a timer (preferably battery-operated, 12-volt would be
OK, guess I could use a gel-cell?) that controls a relay (on the T-240
primary), which we can program for so many minutes per hour. I used to have
a sprinkler timer with a "new lawn" cycle and pump start switch, which I
think ran every hour. I can't seem to find such a thing now. Anyone have any
suggestion for a timer that will control frequent periodic events? I know I
could dust off the electronics and come up with a circuit, but I'd vastly
prefer an off-the-shelf solution.

Thanks!

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     Gary Higbee  (ghigbee at efn.org)
             (541)607-1818
     Solutions from the Land--solar,
  wind, and hydro site analysis, design,
       and installation assistance
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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 http://www.topica.com/lists/RE-wrenches/

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Hosted by Home Power magazine: 
 www.homepower.com

For info contact list moderator by email:
 michael.welch at homepower.com

____________________________________________________________
T O P I C A  -- Learn More. Surf Less. 
Newsletters, Tips and Discussions on Topics You Choose.
http://www.topica.com/partner/tag01