AMI 140 is 2 point 3 wires actuator used with AB-QM (DN 10-32) and VZ, VZL valves. The actuator can be used with fan coil units, induction units, small re-heaters, re-coolers and zone applications in which hot/cold water is the controlled medium. The actuator provides with factory default setting (actuators spindle fully stem down): - normally closed function for AB-QM and - normally open function for VZ and VZL