<font face="arial" size="3"><p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">i have the same thing in my greenhouse...</p>
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<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">on a 24 volt dc system, i wired in a switch to change my two fans from parallel (noisy and excessive air movement) to series. i run them in series 99% of the time... plenty of air, less noise and long life on the brushes. (of course this is only an option with 2 fans)</p>
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<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">todd</p>
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<p style="margin:0;padding:0;font-family: arial; font-size: 12pt; word-wrap: break-word;">On Wednesday, August 20, 2014 2:43pm, "Kirpal Khalsa" <solarworks@gmail.com> said:<br /><br /></p>
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<div dir="ltr">Hey Folks....we have a customer with a 24VDC fan for venting a green house and we would like to be able to control speed on it instead of just on/off...The fan draws 22 Amps at 24VDC....Any suggestions on how to regulate speed? The idea is to have the fan pull less than the 22 amps............
<div>rheostat? potentiometer....</div>
<div>I think essentially what i am looking for is a dimmer switch for a 24VDC motor.....</div>
<div>Thank you!!</div>
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<div dir="ltr">Sunny Regards,<br />Kirpal Khalsa<br /> NABCEP Certified PV Installation Professional<br />Renewable Energy Systems<br /><a href="http://www.oregonsolarworks.com" target="_blank">www.oregonsolarworks.com</a><br />541-218-0201 m<br />541-299-0402 o</div>
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