User Manual

2
Siemens Datasheet A6V10889950_i
Smart Infrastructure 2020-01-14
Use
To control the room temperature in individual rooms and zones that are:
● Heated or cooled with 2-pipe fan coil units (RDF510)
● Heated or/and cooled with 4-pipe fan coil units (RDF530)
The thermostats control:
● One 3-speed fan
● One or two on/off valve actuators
Functions
● Maintenance of room temperature via built-in temperature sensor
● Control sequence H/C selection (P01) or H/C manual changeover via button (P01=2)
● Operating mode selection via button
● Display either room temperature value or setpoint value (P06)
● Internal sensor calibration (P05)
● 3-speed fan control, automatic or manual mode selection via button
● Minimum and maximum setpoint limitation (P09&P10)
● Full or partial keylock (P14)
● Fan speed low or off in deadzone (P15)
● Display symbol and fan function of fan (P91)
● Display symbol and function of heating/cooling (P92)
● Reload factory settings for commissioning and control parameters (P71)
● On/Off output for 2-position valve or 3-wire (SPDT) valve actuator
Note: 3-wire valve is for RDF510 only
Advanced functions
● Timer with delay Off (P28)
● Fan minimum On-time (P59)
● Operating mode settings upon power down (P27)
Mechanical design
The thermostat consists of two parts:
● One LCD display and five key buttons on the user interface.
● One mounting plate for fitting onto a square conduit box with 60.3 mm fixed meters.