Siemens RLU222 Controller

Siemens RLU222 Controller

Siemens RLU222 Controller
Supply Frequency Range 50/ 60 Hz
Ambient Storage Temperature -25 to 70 degree C
Humidity < 95 % r.h.
Rated voltage DC 15 V
Max. load continuous short-circuit
AC current max. 4 A ohm.
Switch-on current max. 10 A (1 s)


  • With programmed standard applications
  • Freely programmable controller, for optimum adaptation to the relevant
  • type of plant
  • P-, PI, or PID mode
  • Menu-driven operation


For use on basic to complex ventilation, air conditioning and chilled water plant.
The universal controllers are designed to handle the following controlled variables:
Temperature, relative/ absolute humidity, pressure/ differential pressure, airflow,
indoor air quality and enthalpy.