Control Sequences - Siemens RDF300 Series Basic Documentation

Sequence
Parameter
Mode Heating mode
Available for:
2-pipe,
2-pipe & el. heater
4-pipe
Siemens
Smart Infrastructure
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.
P01 = 0 P01 = 1
Cooling mode
*) 2-pipe with
el. heater
ü ü
RDF300... / RDF340... / RDF400... / RDF600... Basic Documentation
P01 = 2 P01 = 3
Manually select
Automatic
heating or
heating/cooling
cooling mode
changeover via
external water
temperature
sensor or
remote switch
ü
ü
P01 = 4
Heating and
cooling mode,
i.e. 4-pipe
ü
ü ü
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CE1P3076.en
2020-02-21