User Manual

Room automation
Desigo RXB
20
304 | 351 CM110664en_07
to suit their field of application. The HVAC functions are operated with standard room units or controllers in
a room-style housing.
Desigo RXB software
Each controller is loaded with a selection of application software which contains the control program for
the associated room or area within a room.
The ETS commissioning and service tool is used for the engineering and commissioning of a network
incorporating the Desigo RXB range. This tool also supports the creation of communication bindings
between KNX/EIB-compatible devices (Desigo RXB or third-party devices).
Example: Fan coil system
Application Name Controller
FNC02
FNC04
FNC08
FNC20
Two-pipe system with changeover
Four-pipe system
Four-pipe system with room supply air cascade control
Four-pipe system with damper control
RXB21.1/FC-10
RXB39.1/FC-13
FNC03
FNC05
Two-pipe system with changeover and electric reheater
Four-pipe system with electric reheater
RXB22.1/FC-12
RXB39.1/FC-13
FNC10
FNC12
FNC18
Two-pipe system with changeover and outside air
Four-pipe system with outside air
Two-pipe system with changeover and radiator
RXB21.1/FC-11
Common functions:
● Window contact, occupancy sensor, four operating modes
● Manual fan control with room unit
● Automatic fan control (three speeds)
● Options with two-pipe systems: Heating only, cooling or changeover via KNX/EIB bus
20.2.2 RXB and the management level
Generic and engineered operation is available at the management level.
See Desigo CC System Description (A6V10415500)
20.2.3 RXB and the automation level
Desigo RXB is integrated into the automation level with the PX KNX system controller.
The main tasks of the system controller are:
T
KNX/EIB
T
T
Controller