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Siemens
RDG400KN,RGD405KN Basic documentation
CE1P3192en
Building Technologies
2017-02-17
– an operating mode switchover contact (e.g. keycard contact, presence detector,
window contact) is active (for RDG400KN); the contact can be connected to
digital input D1 or multifunctional input X1; set P38/P42 to 3 (P02 is irrelevant) *)
(for RDG400KN)
– "Window state" is sent via bus, e.g. from a KNX switch or a KNX presence
detector (P02 is irrelevant) *) (for RDG400KN)
*)
Operating mode switchover: Only one input source must be used, either local input X1-D1or the
KNX bus. User operations are ineffective and
OFF
is displayed if the operating mode switchover
contact is active, or if "Window state" is sent via bus
In Protection mode, the system is ...
– protected against frost (factory setting 8 °C, can be disabled or changed via
P65),
– protected against overheating (factory setting OFF, can be enabled or changed
via P66).
No other operating mode can be selected locally if Protection mode is commanded
from the time schedule via bus (e.g. from RMB795). and are displayed.
The thermostat switches to Protection mode when …
– the operating mode button is pressed,
– Protection mode is sent via bus,
– the window contact on the RDG405KN is active (open window),
– "Window state" is sent to the RDG405KN via bus (e.g. from a KNX switch) *)
*)
For details regarding the operating mode switchover contact (RDG40..KN), window contact
(RDG405KN) and presence detector (RDG405KN), refer to section
3.2.1.
KNX
R
Room operating mode:
Window state
(RDG400KN)
Note
Protection
Note
KNX room operating
mode: Window state
(RDG405KN)
