User Manual

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Siemens RDF302 Basic documentation CE1P3079en
Smart Infrastructure 2020-02-21
2.3 Functions
Fan coil units via ON/OFF outputs:
· 2-pipe system *
· 2-pipe system with electric heater
· 4-pipe system
Chilled / heated ceilings (or radiators) via ON/OFF outputs:
· Chilled / heated ceiling *
· Chilled / heated ceiling with electric heater
· Chilled / heated ceiling and radiator / floor heating
Compressors: via ON/OFF control
· 1-stage compressors in DX type equipment
· 1-stage compressors in DX type equipment with electric heater
* with both ON/OFF or modulating control output
The room thermostats are delivered with a fixed set of applications.
The relevant application is selected and activated during commissioning using one
of the following tools:
· Local DIP switch and HMI
· Modbus commissioning tools
· Operating modes: Comfort, Economy and Protection
· ON/OFF or 3-position control outputs (relay)
· Output for 3-speed or 1-speed fan
· Automatic or manual heating / cooling changeover
· Backlit display
· AC 230 V operating voltage
Use
Features