Siemens KNX RDG400KN Basic Documentation page 15

Display: IAQ function
Parameter
P07
Siemens
Smart Infrastructure
·
P19 can be set up to 5000 ppm but the external analog sensor is limited to
2000 ppm. If there is a need to measure above 2000 ppm, a KNX sensor is
required to send the value with the respective object
·
P19 = OFF switches the IAQ function off
·
The IAQ value is acquired either via a locally connected CO
sensor or a CO
Important note for KNX LTE:
IAQ control does not influence in any way the energy demand air, heating or
cooling (in LTE-Mode).
IAQ control – priority CO
·
If the local CO
2
value from the locally connected sensor. Otherwise, the CO
available on KNX is used for CO
·
In case the local CO
<100 ppm), the thermostat uses the CO
If both CO sources do not deliver a valid value, the CO
2
disabled
·
S-Mode has a higher priority than LTE-Mode
·
If the CO value comes from the bus, the local (DC 0...10 V) value is not
2
sent on the bus
·
Receiving and sending the same S-Mode object is not allowed
·
The thermostat receives the CO
geographical zone is selected
The "Fresh air" symbol appears on the screen as soon as the actual CO
value exceeds the CO
The IAQ level can be shown on the LCD.
3 choices are available:
·
P07 = 0 No display
·
P07 = 6 CO
·
P07 = 7 CO
Name
Additional display
information
Selection P07 = 6: CO
The CO concentration is shown on the second line with the ppm symbol.
2
Minimum display: 100 ppm
Maximum display: 5000 ppm
RDG400KN,RDG405KN Basic documentation
value via bus (e.g. KNX)
2
control
2
sensor input is configured, the thermostat uses the CO
control
2
sensor is configured, but the value is not valid (value
2
LTE object when the corresponding
2
setpoint.
2
concentration shown as ppm
2
concentration shown in the form of symbols
2
Factory setting
0 (RDG405KN only)
concentration in ppm
2
or VOC
2
value
2
value via KNX bus.
2
function is
2
Range
0 = --- (no display)
1 = °C and °F
2 = outside temperature (via bus)
3 = time of day (12 h) (via bus)
4 = time of day (24 h) (via bus)
6 = CO concentration [ppm]
2
7 = CO symbols
2
2
2
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CE1P3192en
2019-04-12