Siemens RDF302 Documentation

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Siemens RDF302 Basic documentation CE1P3079en
Building Technologies Summary 07 Dec 20111
2. Summary
2.1 Types
Product no. Stock no.
Operating
voltage
Control outputs
3-pos ON/OFF
Housing color
RDF302 S55770-T238 AC 230 V
1
1)
2
1)
White
1) Selectable: ON/OFF or 3-position
2.2 Ordering
Order valve actuators separately.
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 (Energy Saving) 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
 Room temperature control via built-in temperature sensor or external room
temperature / return air temperature sensor
Product number Stock number Designation
RDF302 S55770-T238 Room thermostat
Use
Features
Functions

Siemens RDF302 Specifications

General

Brand	Siemens
Model	RDF302
Category	Thermostat
Language	English