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Window contact
Room operating mode:
Window state
Temporary timer to
extend the Comfort
mode
Siemens
Smart Infrastructure
The thermostat can be forced into Protection mode when the window is opened.
The contact can be connected to a multifunctional input X1, X2. Set P38 or P40 to
3. User operations are ineffective and OFF is displayed if the window contact is
active.
The "window contact" function is also available using the KNX signal "Window
state", e.g. from a KNX switch.
If the window contact is active, touch the
Note:
Only one input source can be used, either a local input X1/X2 or the KNX bus.
User operations are ineffective and OFF is displayed if the operating mode
"window contact" is active, or if "Window state" is sent using the bus.
Comfort mode can be temporarily extended (e.g. working after business hours or
on weekends) when the thermostat is in Economy mode. Using the operating
mode icon
preset via P68.
Touch the
The following conditions must be fulfilled:
•
Time scheduler using the bus is Economy mode.
•
P68 (extend Comfort period) is greater than 0.
During the temporary Comfort mode extension, the
If P68 (extend Comfort period) = 0, extended Comfort cannot be activated.
Note:
Auto Timer mode and Pre-comfort mode are not recommended for VRF
applications. It is only suitable for UFH applications with KNX bus.
RDF880KN..
Basic documentation
and press or to select ON for Comfort mode for the period
icon again and use or to change to ECO mode to stop the timer.
icon and OFF flashes on the LCD.
icon appears.
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2021-03-22
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