Dearest Wrenchies, So here is the situation, we have a customer with a passively heated kiln for drying lumber. Basically it is a greenhouse. There is no supplemental heat, or power at the site where it is. When it begins to be heated moisture will be driven from the lumber, which needs to be exhausted by fans. We need PV because there is no power there, and because we want to be completely solar. Rather than set up a charger controller and batteries, along with humidity controls for the fans, I thought it would be simplest to get some panels and wire them directly to the fans. That way, when the sun is shining and the kiln is being heated, the fans will be on to exhaust the moisture, and when the sun is not they are off. With that said the customer has alredy bought the 4,12v/18a fans from grainger and has some ASW 240w 37V panels. I was wondering( since my work is always grid-tie applications) what would be the best code compliant way to hook up all this together. Many thanks in advance for the help.
Sunny Regards, *James B Rudolph NABCEP Certified PV Installer Certified Californian Journeyman *
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