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User Manual

ManualsBrandsSiemens ManualsBuilding automationRoom Thermostats with KNX Communications RDG200KN, RDG260KN
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2
Siemens
Datasheet
A6V11545853_en--_a
Smart Infrastructure
2020-09-07
Functions
Control application
The RDG2..KN KNX room thermostats are designed for use with the following:
Fan coil units via On/Off or modulating/DC control outputs:
● 2-pipe system
● 2-pipe system with electric heater
● 2-pipe system with radiator/floor heating
● 2-pipe/2-stage system
● 4-pipe system
● 4-pipe system with electric heater
● 4-pipe system with PICV and 6-port ball valve as changeover (RDG260KN)
Chilled/heated ceilings (or radiators) via On/Off or modulating/DC control outputs:
● Chilled/heated ceiling
● Chilled/heated ceiling with electric heater
● Chilled/heated ceiling and radiator/floor heating
● Chilled ceiling and radiator/floor heating
● Chilled/heated ceiling/2-stage
● Chilled/heated ceiling (4-pipe) with 6-port ball valve (RDG260KN)
● Chilled/heated ceiling with PICV and 6-port ball valve as changeover (RDG260KN)
Compressor applications via On/Off control:
● Heating or cooling, compressor in DX-type equipment
● Heating or cooling, compressor in DX-type equipment with electric heater
● Heating and cooling, compressor in DX-type equipment
● Heating or cooling/2-stage, compressor in DX-type equipment
General functions
● Room temperature control via built-in temperature sensor or external room
temperature/return air temperature sensor
● Room relative humidity control via built-in humidity sensor (humidity function can be
disabled.)
● Min./max. humidity control by shifting temperature setpoint and releasing contact for
dehumidifier/humidifier
● Floor heating temperature limitation
● Min. and max. supply air temperature limitation
● Selection of operating modes via operating mode button
● Button lock for all buttons independently (automatically or manually)
● Changeover between heating and cooling mode (automatic via local sensor or bus, or
manually)
● Parameters protected by password (disabled by default)
● Purge function together with 2-port valve
● Valve exercising function to prevent gripping
● Reminder to clean fan filters