User Manual

6
Siemens Datasheet A6V10954415_en--_f
Smart Infrastructure 2020-10-29
If service interval function is enabled and operating mode selector is set to Standby mode or
set to other mode from Standby mode, the screen will display the remaining days until next
service due.
The service interval reminder can be enabled and reset by a service professional.
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.
Ordering
When ordering, specify both name and product number e.g. room temperature controller
RDJ100.
Order valves and actuators as separate items.
Mechanical design
The device consists of 3 parts:
● Plastic housing with digital display containing the electronics, operating elements, and
built-in room temperature sensor
● Baseplate (mounting base)
● Battery compartment
The housing engages in the baseplate and snaps on. The baseplate carries the screw
terminals. There is a reset button on the rear of the device.