Connection; Connection Terminals - Siemens DF301 Basic Documentation

Semi-flush mount communicating room thermostats
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L
X1
M
Q1 Q2 Q3
N
Siemens....................RDF301, RDF301.50..., RDF600KN, RDF600KN/VB, RDF600KN/S
Smart Infrastructure
6.

Connection

6.1

Connection terminals

L, N
Q1
X2 CE+ CE -
Q2
Q3
Y11 N Y21
Y11,Y21
X1, X2
M
CE+
CE-
Operating voltage AC 230 V
Control output "Fan speed 1 AC 230 V"
Control output "Fan speed 2 AC 230 V"
Control output "Fan speed 3 AC 230 V"
Control output "Valve" AC 230 V (NO, for normally
closed valves), output for compressor or output for
electric heater
Multifunctional inputs for temperature sensor (e.g.
QAH11.1) or potential-free switch
Factory setting:
– X1 = Operating mode switchover contact
– X2 = External sensor
(function can be selected via parameters P38 / P40).
Measuring neutral for sensor and switch
KNX data +
KNX data -
Basic Documentation
85 / 92
CE1P3171en
2020-02-21

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