User Manual

5
Siemens Datasheet A6V10954418_en--_g
Smart Infrastructure 2020-11-19
Equipment combinations
Description Product number Data sheet *)
Electrothermal
actuator (for radiator
valves)
STA23.. 4884
Electrothermal
actuator (for small
valves 2.5mm)
STP23.. 4884
Electromotoric
actuator
SFA21.. 4863
*) The documents can be downloaded from http://siemens.com/bt/download.
Display
The digital display shows the current room temperature and the comfort temperature
setpoint. When the heating output is active, the triangle symbol is displayed.
Ordering
When ordering, specify both name and product number, e.g. room temperature controller
RDH100RF/SET.
Order valves and actuators as separate items.
Mechanical design
The transmitter consists of 4 parts:
● Plastic housing with digital display containing the electronics, operating elements and
built-in room temperature sensor
● Baseplate (mounting base)
● Battery compartment
● Fold-out stand
The housing engages in the baseplate and snaps on. There is a reset button on the rear of
the transmitter.