Siemens Desigo RXB Technical Manual page 43

Applications
Note
Types
Ordering
Example:
Siemens
Building Technologies
The following applications are available for the RXB2... room controllers:
Application group (type)
FC-10
(with RXB21.1)
FC-11
(with RXB21.1)
FC-12
(with RXB22.1)
Only one application at a time can be activated with the tool (ETS3 Professional, Synco
ACS or "HandyTool").
The RXB21.1 and RXB22.1 room controllers differ only in the number of outputs
available:
Type AC 24 V triac outputs
RXB21.1 For 2 thermic valve actuators or
two 3-position actuators
RXB22.1 For 2 thermic valve actuators or
one 3-position actuator
RXZ20.1
When ordering please specify the quantity, product name, type code and application
group.
30 Room controllers, type RXB21.1/FC-10
RXB21.1, RXB22.1 Room controllers
Fan-coil applications
FNC02 2-pipe system with changeover
FNC04 4-pipe system
FNC08 4-pipe system and
room/supply air cascade control
FNC20 4-pipe system
with single damper control
FNC10 2-pipe system with changeover and
outside air damper
FNC12 4-pipe system with outside air damper
FNC18 2-pipe system with changeover and
radiator
FNC03 2-pipe system with changeover and
electric re-heater
FNC05 4-pipe system with electric re-heater
Relay outputs
For 3-speed fan control
 For 3-speed fan control
 internal relay for electric heating
coil
Accessories: Terminal covers
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CM2N3873en_06
02 Apr 2010