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Date:         Sat, 23 Jul 2011 13:21:27 -0400
Reply-To:     David Beierl <dbeierl@ATTGLOBAL.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Beierl <dbeierl@ATTGLOBAL.NET>
Subject:      Re: Fan resistor
Comments: To: Kenneth Lewis <kdlewis@NORTHSTATE.NET>
In-Reply-To:  <33784.162.58.82.136.1311432248.squirrel@webmail.northstate .net>
Content-Type: text/plain; charset="us-ascii"; format=flowed

At 10:44 AM 7/23/2011, Kenneth Lewis wrote: >One possible alternative. http://tinyurl.com/3mo2qok

30 amp (max) controller, 37.5 amp (rated 450W) fan...

What's the resistance of the fan resistor? It's a two-stage one, correct? The smaller non-AC fan is a two-speed motor that doesn't use an external resistor.

I suspect the unit might be usable if you run its primary output through a resistor and then parallel the secondary output direct. That could depend on how it's wired internally, but on the face of it I think it would work.

I'm not yet convinced that engine temp rather than radiator temp is the desirable control input.

Yours, David


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