Common Questions & Technical Support What causes this valve to fail to stay open

backlit digital display and intuitive physical buttons that simplify field commissioning and occupant operation

no continuity indicates a failed open switch that requires replacement

a specific alternate module part number must be used to match the system's control voltage

and sophisticated digital controllers

Schneider Electric (Erie) AH13T020 Actuator 322056-301 Common Questions & Technical SupportThe Schneider Electric (Erie) AH13T020 Actuator is a high torque, two position spring return valve actuator designed for reliable control in commercial HVAC systems. Operating on a 277Vac power supply, this normally closed actuator is engineered for high close off performance, ensuring positive shut off against high differential pressures in hydronic applications. The AH13T020 features a robust synchronous motor and a dependable spring return