Title: Siemens STA73-eng (1).pdf
1) NC = Normally Closed = (valve) powerless closed (with regart to radiator valves, VPP46../VPI46.. and VVI46../VXI46 ). NO = Normally Open = (valve) powerless open (with regard to V..P47..) 2) Pulse Duration Modulation together with Desigo room controllers and other Siemens controllers according to their data sheet. Not suitable for parallel run 3) For floor heating distributors 4) Pulse Duration Modulation (PDM) possible with Siemens Thermostats where explicitly stated in the thermostats data sheet. Not suitable for parallel run in connection with PDMActuators without connecting cables (see "Accessories" for proper cables)TypeItem No.Position de- energized. 1)Operating voltagePos.signal / pos.time 2) 2-position PDM DC 0…10 VCable group WeightVersion in white RAL 9016 STA73/00 5) S55174-A109 S55174-A110 STA23/00 STP73/00 5) S55174-A111 STP23/00 S55174-A112 STA73PR/00 3) S55174-A115 STP73PR/00 3) S55174-A116 STA73MP/00 4) S55174-A113 STA23MP/00 4) S55174-A114NC NC NO NO NC NO NC NC