Siemens RDG200KN, Basic Documentation, Page: 42 / 150

Functions
Additional functions
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4.6 Additional functions
Functions (parameters) Description
RDG260KN
RDG200KN
Sensors and changeover functions [ ➙ 43]
● Heating/cooling changeover via bus (KNX) Central control of heating / cooling via bus ✓ ✓
● Automatic heating/cooling changeover via
changeover sensor
● Changeover switch (P150, P153, P155)
Thermostat runs sequences depending on the
water temperature
✓
✓
✓
✓
● Manual heating/cooling changeover
(P001)
Heating / cooling controlled manually by user
(via HMI)
✓ ✓
● External/return air temperature sensor
(P150, P153, P155)
Temperature measurement using external
sensors
✓ ✓
Presence detector [ ➙ 45]
● Standard presence mode (P150 / P153 /
P155)
Switch operating mode locally or via bus ✓ ✓
● Hotel presence mode (P150 / P153 /
P155)
Switch operating mode locally or via bus ✓ ✓
Output functions [ ➙ 46]
● Purge function (P251) To ensure correct acquisition of the water
temperature
✓ ✓
● Minimum output On/Off time (P212, P213) To protect HVAC equipment, e.g., compressor
and reduce wear and tear
✓ ✓
● Swap outputs for 2-pipe and 2-stage
applications (P254)
To optimize use of heating/cooling energy in
mixed systems
✓ ✓
● Floor heating/cooling (P350) Application without fan control ✓ ✓
● Qx relay switching function (P400, P401,
P402)
Control external equipment based on function
state (heating/cooling demand, operating mode,
sequence, humidity, …)
✓ ✓
Monitoring and limitation functions [ ➙ 49]
● Floor temperature limitation function
(P252)
For user Comfort and floor protection ✓ ✓
● Supply air temperature limitation (P063,
P064)
To save energy, by avoiding room air that is too
hot or cold
✓ ✓
● Flow limitation in heating for PICV (P256) To balance heating and cooling and avoid
hydraulic issues due to different flow rates
✓ ✓
● Dewpoint monitoring
● Fault state “condensation” (P150, P153,
P155 = 4)
To prevent condensation damage in the building ✓
✓
✓
✓
● Valve exercising (P250) To prevent valve freezing after extended
inactivity
✓ ✓
User operation / Indication [ ➙ 51]
● Button lock (P028) To limit access by unauthorized persons ✓ ✓
● Green leaf (P110, P111) Indication on energy efficiency ✓ ✓
Humidity [ ➙ 52]
● Humidity control (P007, P450) Limit min. and max. humidity in the room ✓ ✓
Preventive operation [ ➙ 55]
● Avoid cold air in heating mode (P365) To ensure setpoint temperature is reached
during heating
✓ ✓
● Avoid damage from moisture (P363, P364) To prevent damages caused by moisture ✓ ✓
NFC communication [ ➙ 55]
● NFC (P500) NFC communication via Siemens smartphone
application
✓ ✓