Siemens Desigo RXC20.1 User Manual

CA2N3834en_09
2013-06-16
Building Technologies
s
3
834
Desigo™ RXC
Room controllers
RXC20.1 / RXC20.5
RXC21.1 / RXC21.5
RXC22.1 / RXC22.5
For fan-coil systems, chilled ceilings and radiators
with L
ONMARK® compatible bus communications
The RXC20, RXC21 and RXC22 room controllers are used for temperature control
in individual rooms.
 For 2-pipe or 4-pipe fan-coil systems, with or without change-over
 For chilled ceilings and radiators
 Control of AC 24 V PDM
1)
thermic valve actuators, 3-position AC 24 V valve
and damper actuators, or electric heating coils
 Volt-free relay contacts for fan control and electric heating coils
 PI or PID control (depending on application)
 Downloadable application software
 L
ONMARK® compatible bus communications
 For use in the Desigo building automation and control system
 AC 230 V operating voltage
1) PDM = pulse/duration modulated

Siemens Desigo RXC20.1 Specifications

General

Type	Room controller
Power Supply	24 V AC/DC
Digital inputs	4
Analog outputs	2
Inputs (total)	8
Protection class	IP20
Communication Protocols	BACnet
Communication	RS-485
Mounting	DIN rail mounting
Dimensions	90 x 60 mm
Operating Temperature	0…50 °C
Relative Humidity	<95 % r.H., non-condensing