● Control of 6-port ball valve via KNX S-Mode objects (RDG20..KN and
RDG26..KN)
● Flow limitation function for PICV in heating and cooling mode (RDG26..)
● Set holiday period to reduce energy consumption during absences (holidays)
● For 6-port PICV (RDG26..)
– During commissioning, maximal water flow selection in l/h for heating
(P260) and for cooling (P261) independently via PCT Go
– During operation, read water flow (l/h) via PCT Go live data function
● Selectable relay functions
– Switch off external equipment during Protection mode
– Switch on external equipment (e.g., pump) during heating/cooling demand
– Output status heating/cooling sequence
– Dehumidification/humidification control output (RDG2..KN)
● 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 (RDG26..KN)
– IAQ control (damper and fan) (RDG204KN & RDG264KN)
● 3 multifunctional inputs X1, X2 and X3, 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
– Supply air temperature sensor
– Coil temperature sensor
– External temperature limit
– Hotel presence detector
● KNX bus (terminals CE+ and CE-) for communication with Synco devices or
KNX compatible devices
● M/S - manager/subordinate function via LTE-Mode or S-Mode to synchronize
equipment and save energy in open spaces
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