Basic Documentation

Overview
Functions
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● Swap function for 2-pipe and 2-stage application by switching the 1
st
stage
heating to 2
nd
stage cooling
● In 2-stage applications (2-/4-pipe), limit the number of heating or cooling
sequence to one
● Control of 6-port ball valve for chilled and heated ceiling, DC 0…10 V,
DC 2…10 V and inverted signals DC 10…0 V, DC 10…2 V (RDG260KN)
● Control of 6-port ball valve as changeover (On/Off – open/close signal) and
PICV DC 0…10 V for
– Chilled and heated ceiling/floor (RDG260KN)
– Fan coil application (RDG260KN)
● Control of 6-port ball valve via KNX S-Mode objects (RDG200KN and
RDG260KN)
● Flow limitation function for PICV in heating mode (RDG260KN)
● Set holiday period to reduce energy consumption during absences (holidays)
● 2 multifunctional inputs X1, X2, and 1 multifunctional input/output U1 set as
input, selectable for:
– Window contact switches operating mode to Protection
– Presence detector switches operating mode to Comfort
– Sensor for automatic heating/cooling changeover
– Switch for manual heating/cooling changeover
– External room temperature or return air temperature sensor
– Dewpoint sensor
– Enable electric heater
– Fault input
– Monitor input for temperature sensor or switch status
– Supply air temperature sensor
– Coil temperature sensor
– External temperature limit
– Hotel presence detector
● 1 multifunctional input/output U1 set automatically as output for:
– 4-pipe/2-stage as 2
nd
stage cooling output
● Selectable relay functions
– Switching off external equipment during Protection mode
– Switching on external equipment (e.g. pump) during heating/cooling
demand
– Output status heating/cooling sequence
– Dehumidification/humidification control output
● KNX bus (terminals CE+ and CE-) for communication with Synco devices or
KNX compatible devices
● Master/slave function via LTE-Mode or S-Mode to synchronize equipment and
save energy in open spaces
● Master/slave alarm management via LTE-Mode allowing for slave alarm
display on the master
● Display of outside temperature or time of day from KNX bus
● Time scheduling and central control of setpoints from KNX bus
● Control of Economy setpoints via KNX bus
● Relative humidity setpoint via KNX bus
● Control of KNX actuators and fan via S-Mode objects
● Energy supply optimization via energy demand signal via Synco RMB795B
central control unit
● Interworking with Siemens AQR.. and QMX.. sensors for room humidity and
room temperature measurement
● Interworking with Siemens QMX.. room operator units for room humidity, room
temperature and operating commands for fan, operating mode and setpoints
Commissioning KNX area, line and device address via mobile application PCT
Go
Special functions
Inputs/outputs
KNX communication
features