ATX and ATE Bi-Directional Electric Actuators Specification

This document specifies the ATX and ATE bi-directional electric actuators designed for controlling VTU, MTU, and FTU valve bodies in fan-coil units, solar plants, and small reheaters. It covers construction, wiring connections, commissioning, and maintenance, including DIP switch configuration for the ATE actuator's proportional signal control and self-calibration feature.