Siemens RDF300 User Manual

11 / 40
Siemens RDF300…/RDF340.../RDF400… Basic Documentation CE1P3076en
Building Technologies 4BFunctions 28 Aug 2008
4.4 Applications
The controller supports following applications, which can be configured by DIP-
switches on the inner side of the controller front panel. Depending on the type,
on/off or modulating control outputs are available.
Note: The diagrams above show only the water based fan coil application, but not compressor!
Application and
Control output
Type
reference
DIP-
switch
Diagram
2-pipe fan coil unit,
heating and cooling
2-pipe/1-stage compressor
on/off
RDF300
RDF400
ON
1 2
2-pipe
modulating, 3-position
RDF300
RDF400
ON
1 2
2-pipe
modulating, DC 0…10 V
RDF340
ON
1 2
3076D20
(B1)
M1
Y1
T
B2
T
T
(B1)
4-pipe fan coil unit,
heating and cooling
4-pipe/compressor for H+C
on/off
RDF300
RDF400
ON
1 2
4-pipe modulating,
DC 0…10 V
RDF340
ON
1 2
T
Y2
Y1
M1
3076D22
(B1)
T
(B1)
2-pipe fan coil unit
with electrical heater,
heating or cooling with
auxiliary heater
2-pipe/1-stage compressor
with electrical heater on/off
RDF300
RDF400
ON
1 2
2-pipe with electrical heater
modulating, DC 0…10 V
Note: Modulating electrical heater
RDF340
ON
1 2
Y1
M1
3076D21
T
B2
E1
T
(B1)
T
(B1)
Key Y1 Heating or heating/cooling valve actuator M1 3-speed or single-speed fan
Y2 Cooling valve actuator B1 Return air temperature sensor or
external room temperature sensor (optional)
E1 Electrical heater B2 Changeover sensor (optional)

Siemens RDF300 Specifications

General

Brand	Siemens
Model	RDF300
Category	Thermostat
Language	English