Siemens SSA911.02ZB thermoelectric actuator from the Connected Home home heating ecosystem. New version replacing thermoelectric actuator SSA911.01ZB . We expect stock in the second half of 02/2023 (currently pre-order option).

The thermoelectric actuator SSA911.02ZB is part of the Siemens Connected Home home automation system for smart heating. It is designed to control thermostatic valves with a connection thread M30x1.5 mm and controls the amount of water passing through the heating circuit or radiator, thereby directly regulating the temperature in the room .

The thermostatic head is wireless and powered by two 1.5 V AA size batteries. You can easily install it and connect it via ZigBee 3.0 s router GTW100ZB . It is possible to connect up to 32 control servo drives to one ZigBee router , to add a larger number of heads it is possible to use another router or switching unit RCR110.2ZB as a signal repeater. You then simply control the entire Siemens smart heating system from the Connected Home mobile app . The SSA911.02ZB servo drive also allows manual temperature adjustment using the control buttons. The display with energy-saving mode clearly shows the settings and other details such as the desired temperature, battery status or warning messages.

The Siemens Connected Home smart heating system is developed for heating residential and commercial buildings . SSA911.02ZB thermoelectric servo drives can be used with or without heat source switching , so they are also suitable as a smart heating solution for district heating .

The heads have an integrated PI regulator to achieve a constant temperature of the radiators, a temperature sensor , an open window recognition function , protection against freezing and a child safety lock.

The package also contains 2 AA batteries and adapters for Danfoss RA, RAV, RAVL valves. If you need to connect the head to a radiator valve other than M30x1.5 or Danfoss RA/RAV/RAVL, use one of the adapters/reducers for radiator valves .

Main features

• wireless control actuator for heating control
• the possibility of connecting to a ZigBee router and a switching unit
• battery-powered with regular 1.5 V AA size cells
• mounting on radiator valves with connection thread M30x1.5 mm
• nominal stroke 5 mm
• valve actuation force 90 N
• automatic adaptation to the valve
• possibility of manual temperature adjustment

Other products from the Siemens Connected Home series for the smart home: