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Application
2-pipe, 2-position
2-pipe, 3-position
– Y11 = Open
– Y21 = Close
2-pipe and electric
heater
4-pipe
– Y1 = Heating
– Y2 = Cooling
1-stage compressor
– C1 = Heating
and / or
– C2 = Cooling)
1-stage compressor
and electric heater
86 / 92
Siemens
RDF301, RDF301.50..., RDF600KN, RDF600KN/VB, RDF600KN/S Basic Documentation
Smart Infrastructure
6.2
Connection diagrams
L
10 A
S1
S2
B1
B2
X1
X2
CE+ CE-
L
M
Y11
N
Q1 Q2 Q3
I II III
Y1
M1
5(2)A
5(2) A
N
max .
max .
Y1
5( 2)A
max.
Y1
5(2)A
5( 2)A
max.
max.
Y1
5(2)A
max.
C1
C2
5(2)A
5( 2)A
max.
max.
C1
5(2)A
5( 2)A
max.
max.
KNX
N1
M1
Y1
Y1, Y2
E1
Y21
N1
C1, C2
S1, S2
B1, B2
CE+
CE-
E1
Y2
5(2) A
max .
E1
Room thermostat
RDF301... , RDF600KN...
1- or 3-speed fan
Valve actuator, 2- or 3-position
Valve actuator, 2-position
Electric heater
1-stage compressor
Switch (keycard, window contact,
presence detector, etc.)
Temperature sensor (return air
temperature, external room
temperature, changeover sensor,
etc.)
KNX data +
KNX data –
CE1P3171en
2020-02-21
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