Siemens RDG2 KN Series Basic Documentation

Functions
Operating modes
4
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29 | 180
Priority
Description
Remark
④
Presence detector
● Standard presence mode: If a room is
occupied, the operating mode changes to
Comfort. This overrides the operating mode on
the thermostat. Unoccupied rooms set back
the thermostat to the previous operating mode.
● Hotel presence mode: If a room is unoccupied,
the operating mode changes to Economy. This
overrides the operating mode on the
thermostat. The buttons are locked and symbol
displays. Occupied rooms set back the
thermostat to the previous operating mode.
④
Presence detector
via bus
"Presence detector" sent via bus has the same
effect as the local presence detector.
Note:
Only one input source must be used, either local
input X1/X2/U1or KNX bus.
④
Operating mode
button
Users can change the operating mode using the
operating mode button.
④
Operating mode via
bus
The operating mode can be changed via bus.
④
Temporary
extended Comfort
mode via operating
mode button
The operating mode can be temporarily changed
from Economy to Comfort by pressing the
operating mode button, if...
● Economy was sent via bus
● For an extended Comfort period>0 (P102)
Note:
The last option selected is used, either locally or
using bus.
④
Local time schedule
When P005 = On (Enabled), the local time
schedule is active. The thermostat does not react
to the operating mode: time switch command from
the bus. The operating mode set via local time
schedule can be overridden by all other
interventions.
④
Time schedule via
bus
When P005 = Off (Disabled), the bus schedule is
active. The operating mode sent via bus can be
overridden by all other interventions.
Exception: Protection mode has priority 2.
Note:
If the time schedule switches from Comfort to
Economy, but the presence detector is still active
(room occupied), the thermostat continues to work
in Comfort mode until the room is unoccupied.
Recommended for commercial building applications, e.g. for offices, shops,
etc.
If a time schedule via bus is present, e.g., from a central control unit, Auto mode
is active. The thermostat automatically changes to Comfort, Economy or
Protection according to the time schedule via bus.
The display shows the Auto mode symbol along with the symbol for the actual
room operating mode (Comfort or Economy ).
Auto mode with time
schedule via bus

Siemens RDG2 KN Series Specifications

General

Brand	Siemens
Model	RDG2 KN Series
Category	Thermostat
Language	English