Siemens RDF300 Series Basic Documentation page 14

Applications for heat pump systems
Application and output signal, DIP switches, diagram
·
1-stage compressor
ON/OFF
(heating or cooling)
D3
· 1-stage compressor
ON/OFF
(heating and cooling)
D3
N1 Thermostat
Terminal Y10/Y11: Heating (H&C) or Heating/Cooling
Terminal Y20/Y21: Cooling (H&C)
E1 Electrical heater
Water-based fan coil
application
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Siemens
Smart Infrastructure
RDF300...
ON
RDF400...
1 2
RDF600...
T
B1
T N1
RDF300...
ON
RDF400...
1 2
RDF600...
T
B1
N1
T
Note: The diagrams above show only the water based fan coil application, but not compressor!
Use with one or two valves for heating and cooling, heating/cooling with
changeover, heating only, or cooling only.
RDF300... / RDF340... / RDF400... / RDF600... Basic Documentation
· 1-stage compressor
ON/OFF
(heating or cooling)
with electrical heater
D3
E1
B1 Return air temperature sensor or external room
temperature sensor (optional)
D3 Dewpoint sensor
RDF300...
ON
RDF400...
1 2
RDF600...
T
B1
T N1
CE1P3076.en
2020-02-21