User Manual

Functions
Additional functions
4
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4.6 Additional functions
Functions (parameters)
Description
RDG260KN
RDG200KN
Sensors and changeover functions
[➙
42
]
●
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 with external
sensors
✓
✓
Presence detector
[➙
43
]
●
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
[➙
44
]
●
Purge function (
P251
)
To ensure correct acquisition of the water
temperature
✓
✓
●
Minimum output On/Off time (
P212
,
P213
)
To protect the HVAC equipment, for example,
the compressor and reduce wear and tear
✓
✓
●
Swap outputs for 2
-
pipe and 2
-
stage
applications (P254)
To optimize the 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
status (Heating/cooling demand, operating
mode, sequence, humidity, …)
✓
✓
Monitoring and limitation functions
[➙
47
]
●
Floor temperature limitation function
(P252)
For user Comfort and protect the floor
✓
✓
●
Supply air temperature limitation (
P063
,
P064)
To save energy, by avoiding to warm or too cold
air in the room
✓
✓
●
Flow limitation in heating for PICV (
P256
)
To balance heating and cooling systems and
avoid hydraulic problems caused by different
flow rates
✓
✓
●
Dewpoint monitoring
● Fault state “condensation” (P150, P153,
P155 = 4)
To prevent condensation damages in the
building
✓
✓
✓
✓
●
Valve exercising (
P250
)
To prevent valve freezing after long time
inactivity
✓
✓
User operation / Indication
[➙
49
]
●
Button lock (
P028
)
To limit access to unauthorized people
✓
✓
●
Green leaf (
P110
,
P111
)
Indication about energy efficient
✓
✓
Humidity
[➙
50
]
●
Humidity control (
P007
,
P450
)
Limit min. and max. humidity in the room
✓
✓
Prevention operation
[➙
53
]
●
Avoid cold air in heating mode (
P365
)
To make sure reaching setpoint temperature
during heating mode
✓
✓
●
Avoid damage from moisture (
P363
,
P364
)
To prevent from damage of moisture
✓
✓
NFC communication
[➙
53
]
●
NFC (
P500
)
NFC communication via Siemens smartphone
application
✓
✓