Install Instructions

The installaon of the MrPEX® actuators is very easy and quick. Aer removing the blue plasc
manual valve knob on the return manifold, by hand screw the plasc VA 10 adapter onto the on/o
valve. The actuator snaps on to the adapter with a slight push. The actuators are supplied parally
open to aid installaon. It is necessary to cycle the actuator completely before it will close all the
way. On start up, power the actuator and let it completely open. Blue indicator will pop up. Let it
sit for about 10 minutes. Once power is removed, the actuator will close completely, and the blue
indicator will be ush with the top. The actuators are Normally Closed type.
Connecng the actuators is the last operaon of the manifold installaon. Do not install any
actuators before pressure tesng and venng the manifold.
Refer to the actuator installaon guide to determine the power requirements and wiring instrucons.
Installaon of MrPEX Valve Actuator 24V AC
The balancing turns of the owmeter are intended starng from the closed posion.