User Manual
Table Of Contents
- 1. About this document
- 2. Summary
- 3. Functions
- 3.1 Temperature control
- 3.2 Operating modes
- 3.3 Room temperature setpoint
- 3.4 Applications overview
- 3.5 Additional functions
- 3.6 Control sequences
- 3.7 Control outputs
- 3.8 Fan control
- 3.9 Multifunctional input, digital input
- 3.10 Handling faults
- 3.11 Modbus RTU mode
- 3.12 Communication objects
- 3.13 Control parameters
- 4. Handling
- 5. Connection
- 6. Mechanical design
- 7. Technical data
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Siemens RDF302 Basic documentation CE1P3079en
Smart Infrastructure 2020-12-01
2. Summary
2.1 Types
1) Selectable: ON/OFF or 3-position
2.2 Ordering
For input and output difference between RDF302, RDF302/VB and RDF302.B, see
Connection terminals.
Order valve actuators separately.
Product no. Stock no. Operating voltage
Control outputs
Suitable
conduit box
Color
3-pos ON/OFF
RDF302 S55770-T238 AC 230 V 1
1)
2
1)
square White
RDF302/VB S55770-T428 AC 230 V 1
1)
2
1)
square Black
RDF302.B S55770-T416 AC 230 V 1
1)
2
1)
square White
Product no. Stock no. Designation
RDF302 S55770-T238 Modbus Room thermostat
RDF302.B
S55770-T416 Basic Modbus room thermostat
RDF302/VB
S55770-T428 Modbus Room thermostat