Nordyne 624 625A Wiring Diagram. For supply connections use copper conductors only. I can fine 100 wire schematics for this but none with the colors. Nordyne Control Board Wiring Diagram / Nordyne 903106 Control Board from wiring01.blogspot.com B6bm, b6em, & b6vm series installation instructions air handler important please read all information in this manual thoroughly […]