Operating Modes - Siemens RDG400 Basic Documentation

Room thermostat with display, for vav
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Comfort mode
Energy Saving
Note
Protection mode
Operating mode button
Siemens
Building Technologies
4.2

Operating modes

Select the thermostat's operating mode via operating mode button on the
thermostat or operating mode input (e.g. keycard occupancy sensor, when X1, X2,
or D1 set to 3 (P38, P40, P42). A corresponding setpoint is used to maintain the
room temperature at the desired level depending on the active operating mode.
The following operating modes are available:
In Comfort mode, the thermostat maintains the setpoint which can be adjusted via
the rotary knob. The fan can be set to automatic or manual fan speed: Low,
medium or high.
Energy Saving mode helps save energy. Select it by pressing the operating mode
button if parameter P02 is set accordingly, or if the external operating mode
switchover contact is active (e.g. window contact).
If the external operating mode switchover contact is active, user operations are
ineffective and "OFF" is displayed. Control will then be according to Energy Saving
setpoints (P11 and P12).
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)
The behavior of the operating mode button can be selected via parameter P02:
#
Sequence
1
2
RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation
Functions
Remark
Factory setting
9 / 42
CE1P3182en
28 May 2009

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