Siemens RDF600 Series

17 / 46
Siemens RDF300… / RDF340... / RDF400… / RDF600… Basic Documentation CE1P3076.en
Smart Infrastructure 2020-02-21
4.6 Control sequences
The controller can be used in systems featuring:
· Heating or cooling mode (P01=0 or P01=1)
· Manual heating/cooling changeover (P01=2)
· Automatic heating/cooling changeover (P01=3)
· Heating and cooling mode (e.g. 4-pipe system) (P01=4)
The relevant modes are available and can be adjusted via commissioning
parameter “Control sequence” P01, depending on the selected application.
Sequence
Parameter P01 = 0 P01 = 1 P01 = 2 P01 = 3 P01 = 4
Mode
Available for:
Heating mode
Cooling mode
*) 2-pipe with
el. heater
Manually select
heating or
cooling mode
Automatic
heating/cooling
changeover via
external water
temperature
sensor or
remote switch
Heating and
cooling mode,
i.e. 4-pipe
2-pipe,
2-pipe & el. heater
ü ü ü ü
4-pipe
ü ü ü