Schneider Electric (Barber Colman) MP-454 Proportional Actuator Refrigerant In environments with heavy smoke

In environments with heavy smoke

eliminating the need for field piping modifications

technicians must verify the common and load wires match the specific transformer or line voltage output of the air handler or fan coil unit

Check the onboard diagnostic LED

How do I verify if the switch is failing or if it is a venting issue

Schneider Electric (Barber Colman) MP-454 Proportional Actuator Refrigerant In environments with heavy smokeThe Schneider Electric (Barber Colman) MP 454 Proportional Actuator is a robust non spring return actuator designed for reliable control of dampers, valves, and specialized terminal units. Operating on 120V AC, this high torque motor provides 220 lb in torque, ensuring consistent positioning for heavy duty HVAC automation solutions. It features a field adjustable 40 400 second timing range (no load) and a full 90 degree rotation for precise