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Siemens
RDF300… / RDF340... / RDF400… / RDF600… Basic Documentation
CE1P3076.en
Smart Infrastructure
2020-02-21
6.2.2
Compressor-based applications with RDF300... /
RDF400... / RDF600…
Application:
Compressor in DX-type
equipment
(DIP setting: "2-pipe")
M1
3-speed fan
N1
Room thermostat
RDF300... /
RDF400... / RDF600…
C1
Compressor
S1, S2 Switch (keycard, window contact, etc.)
B1, B2 Temperature sensor (return air temperature,
external room temperature sensor, etc.)
Application:
Compressor in DX-type
equipment with
electrical heater
(DIP setting: "2-pipe & el.
heater")
M1
3-speed fan
N1
Room thermostat
RDF300... /
RDF400... / RDF600…
C1
Compressor
E1
Electrical heater
S1, S2 Switch (keycard, window contact, etc.)
B1, B2 Temperature sensor (return air temperature,
external room temperature sensor, etc.)
Application:
Compressor in DX-type
equipment heating and
cooling
(DIP setting: "4-pipe")
M1
3-speed fan
N1
Room thermostat
RDF300... /
RDF400... / RDF600…
C1
Compressor “Heating”
C2
Compressor “Cooling”
S1, S2 Switch (keycard, window contact, etc.)
B1, B2 Temperature sensor (return air temperature,
external room temperature sensor, etc.)
Note:
Use an external relay for designated reversing valve
and compressor equipment terminal connections.
See DX equipment wiring diagram for connection
details.