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4
Functions
Additional functions
4.6 Additional functions
Functions (parameters)
Sensors and changeover functions [➙ 49]
●
Heating/cooling changeover via bus
(KNX)
●
Automatic heating/cooling changeover
via changeover sensor
●
Changeover switch (P150, P153, P155)
●
Manual heating/cooling changeover
(P001)
●
External/return air temperature sensor
(P150, P153, P155)
Presence detector [➙ 50]
●
Standard presence mode (P150 / P153 /
P155)
●
Hotel presence mode (P150 / P153 /
P155)
Output functions [➙ 52]
●
Purge function (P251)
●
Minimum output On/Off time (P212,
P213)
●
Swap outputs for 2-pipe and 2-stage
applications (P254)
●
Floor heating/cooling (P350)
●
Qx relay switching function (P400, P401,
P402)
Monitoring and limiting functions [➙ 54]
●
Floor temperature limitation function
(P252)
●
Supply air temperature limitation (P063,
P064)
●
Flow limitation in heating and cooling for
PICV (P260, P261 (only RDG264KN:
P256))
●
Dewpoint monitoring
●
Fault state "condensation" (P150, P153,
P155 = 4)
●
Valve kick/exercising (P250)
●
Return flow temperature control (P061,
P062)
User operation / Indication [➙ 57]
●
Button lock (P028)
●
Green leaf (P110, P111)
●
Set time / date
●
Set Away (holiday mode)
48 | 186
Description
Central control of heating / cooling via bus
Auto changeover on each equipment
Heating / cooling controlled manually by user
(via HMI)
Temperature measurement with external
sensors
Switch operating mode locally or via bus
Switch operating mode locally or via bus
To ensure correct acquisition of the water
temperature
To protect the HVAC equipment, for example,
the compressor and reduce wear and tear
To optimize the use of heating/cooling energy in
mixed systems
Application without fan control
Control external equipment based on function
status (Heating/cooling demand, operating
mode, sequence, humidity, ...)
For user Comfort and protect the floor
To increase the comfort, by avoiding too warm
or too cold air in the room
To balance heating and cooling systems and
avoid hydraulic problems caused by different
flow rates
To prevent condensation damages in the
building
To prevent valve freezing after extended
inactivity
To save energy by adjusting flow speed in
district heating systems
To limit access to unauthorized people
Indication about energy efficient
To set the time of day (AM/PM, hours and
minutes) and date (weekday, month and year)
To set a holiday period
Standalone
RDG
KNX
✓
2..KN
✓
✓
2..
✓
✓
✓ ✓
2..
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2..
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2..
✓
2..KN
✓ ✓
2..
✓ ✓
2..
A6V11545892_en--_e
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