Siemens RDF400 Series Manual page 5

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
Siemens
Building Technologies
RDF300...
ON
RDF400...
1 2
RDF600...
T
B1
N1
T
RDF300...
ON
RDF400...
1 2
RDF600...
T
B1
N1
T
RDF300.../RDF340 / RDF400... / RDF600... Flush-mounted Room thermostats
· 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
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CE1N3076en
2018-12-27