Quote Originally Posted by kontrolphreak View Post
All of our VAV installation that do not have line voltage at the controller location (VAV box) use the following power supply in a central location. Generally we limit the number of VAV controllers between 4 and 7 per 100VA circuit, depending on the length of wire to the controller and if it has a reheat valve.

http://www.functionaldevices.com/bui...?model=PSH500A

kontrol out
Awesome! That is great, thanks.