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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