Local Control Of Room Operating Mode Via Window Contact Input; Central Room Operating Mode Control Via Enable Comfort - Siemens Desigo RXB Technical Manual

Window contact
Effective room operating
mode
Note
56/140
Siemens
Building Technologies
5.5.1 Local control of room operating mode via window
contact input
Local
Central (ACS)
Controller
Prio
Central
(Synco controller)
DI
DI
PPS2
The table below shows the Effective room operating mode as a function of the window
contact input.
Window contact state Effective room operating mode
Window closed
Window open
The window contact is connected directly to a digital input of the room controller (see
page 102).
Master/slave applications:
LTE mode does not allow for communicating to the master the slave's window switch
state.
5.5.2 Central room operating mode control via Enable
Comfort
Local
Central (ACS)
Controller
Prio
Central
(Synco controller)
DI
DI
PPS2
RXB (KNX) Applications library
Room operating modes
If a window is opened, the room controller always
switches to room operating mode Protection , i.e. the
heating or cooling output is reduced to a minimum.
0.
1.
1.
2.
3.
3.
3.
No effect.
Lower-priority inputs determine the operating mode.
Protection.
A central operator station can use the enable Comfort
input to specify whether the room operating mode can
be switched to a higher mode than Economy , i.e. if
priority 3 influences ( room operating mode input,
0.
presence detector, room unit) are enabled.
1.
1.
However, the room controller can be used to force
enabling of priority 3 influences via local Comfort mode
2.
by ignoring enable Comfort .
3.
3.
3.
CLC and RAD description of functions for CC-02 CM110384en_03
28 Feb 2009