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Siemens
RDF300… / RDF340... / RDF400… / RDF600… Basic Documentation
CE1P3076.en
Smart Infrastructure
2020-02-21
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.
Applications for fan coil systems
Application and output signal, DIP switches, diagram
·
2-pipe fan coil unit
ON/OFF
(heating
or
cooling)
ON
1 2
RDF300...
RDF400...
RDF600...
·
2-pipe fan coil unit
ON/OFF
(heating
or
cooling)
with electrical heater
ON
1 2
RDF300...
RDF400...
RDF600...
·
2-pipe fan coil unit
modulating, DC 0…10 V
(heating
or
cooling)
ON
1 2
RDF340
·
2-pipe fan coil unit
modulating, DC 0…10 V
(heating
or
cooling)
with electrical heater
ON
1 2
RDF340
3
0
76
D
2
0
(B1)
M1
V1
T
B2
T
T
(B1)
V1
M1
3
1
71
D
2
1
T
B2
E1
T
(B1)
T
(B1)
·
2-pipe fan coil unit
modulating, 3-position
(heating
or
cooling)
ON
1 2
RDF300...
RDF400...
RDF600...
·
4-pipe fan coil unit
ON/OFF
(heating
and
cooling)
ON
1 2
RDF300...
RDF400...
RDF600...
ON
1 2
RDF340
30
76
D
20
(B1)
M1
V1
T
B2
T
T
(B1)
T
V2
V1
M1
3
0
7
6D
2
2
(B1)
T
(B1)
V1
Heating or heating/cooling valve actuator
M1
3-speed or single-speed fan
V2
Cooling valve actuator
B1
Return air temperature sensor or
external room temperature sensor (optional)
E1
Electrical heater
B2
Changeover sensor (optional)
