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Siemens
RDG400KN,RGD405KN Basic documentation
CE1P3192en
Building Technologies
2017-02-17
∂
Room temperature control via built-in sensor or external room
temperature/return air temperature sensor or KNX room temperature sensor
∂
IAQ control via external CO
2
/VOC sensor on the DC 0…10 V inputs KNX (LTE-
or S-Mode)
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Changeover between heating and cooling mode (automatically via local sensor
or bus, or manually)
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Selection of applications via DIP switches or commissioning tool (ACS790).
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Selection of operating mode via operating mode button on the thermostat
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Temporary Comfort mode extension
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Display of current room temperature or setpoint in °C and/or °F
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Display of CO
2
external sensor value in ppm or with symbols (+++; ++-; +--)
(RDG405KN)
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Display of outside temperature or time of day via KNX bus
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Minimum and maximum limitation of room temperature setpoint
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Minimum and maximum limitation of air flow signal DC 0...10 V/3-position
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External CO
2
sensor DC 0…10 V; 0…2000 ppm (RDG405KN)
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External CO
2
sensor, KNX; 0…5000 ppm (RDG405KN)
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Button lock (automatic or manual)
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2 multifunctional inputs, freely selectable for:
– Operating mode switchover contact (keycard, window contact, etc.)
(RDG400KN)
– Window contact switching operating mode to Protection (RDG405KN)
– Presence detector switching operating mode to Comfort (RDG405KN)
– Sensor for automatic heating/cooling changeover
– External room temperature or return air temperature sensor
– Dewpoint sensor
– Electric heater enable
– Fault input
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Interworking with AQR and QMX sensor for IAQ and room temperature
acquisition (RDG405KN)
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1 multifunctional active DC input (RDG405KN), freely selectable for:
- External IAQ sensor (CO2, VOC)
- Air damper position feedback (optimization of supply air fan’s operation)
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Monitoring input for temperature sensor or switch state
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Feedback of air damper position via KNX bus or a DC 0...10V input for
optimization of pressure control
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Floor heating temperature limitation
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Reloading factory settings for commissioning and control parameters
Functions
