Greenheck MP-310 Installation Instructions And Use

are designed for use on model WD-300 series backdraft dampers only. 2. For single panel damper, insert tab of Actuator Bracket into the slot on the side of the frame. For dampers with center bars, the tab of the Actuator Bracket should be inserted into the slot on the bottom of the center bearing rail. Position bracket over the two h ...

motor. The damper will open when the fan is on and close when the fan is off. For connection to 2-speed fan motors or for other control sequences consult the factory. The wiring diagrams shown with end switches are for applications where it i ...