Title: Siemens STA73-eng (1).pdf
Actuators STA.. or STP.. are supplied as separate units. They can be assembled with just a few movements prior to commissioning: • Remove the protective cover from the valve body • Insert the sliding sleeve, bayonet-nut, on the valve and manually tighten • Put actuator in position and manually tighten (clockwise) the bayonet-ring until asecond clickSTA../00, STP../00: Plug in the connecting cable • Connect to operating voltage only after mountingHints for the dismounting: • • Wait for 6 min. until the actuator is cooled down • Turn the sliding sleeve, bayonet-ring, counter clockwise to the end-position At dismounting the actuator will be set automatically to the original position (factory setting).Interrupt the power supply and disconnect the connection cable