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Siemens
Central apartment unit QAX910
CE1N2707en
Building Technologies
06.01.2009
Operation
IEC 60721-3-3
Transport
IEC 60721-3-2
Storage
IEC 60721-3-1
Climatic conditions
Class 3K5
Class 2K3
Class 1K3
Temperature
0…+45 °C
-25…+70 °C -20…+65 °C
Humidity
5…95% r.h.
(noncondensing)
<95% r.h.
5…95% r.h.
Mechanical conditions
Class 3M2
Class 2M2
Class 1M2
Use above sea level
min. 700 hPa, corresponding to an
altitude of max. 3000 m above sea level
Connection terminals
Q1
3
Q1
4
N
L
CE
-
CE
+
M
B
27
07Z
24
KN
X
23
0 V
Q13, Q14
Universal potential-free relay output
N
Operating voltage, neutral conductor AC 230 V
L
Operating voltage, live conductor AC 230 V
CE-, CE+
Connection of data bus (KNX TP1- and KNX TP1+)
M
Ground for universal input
B
Universal input
Connection diagram
N1
L
N
Q13
B
M
AC
2
3
0
V
Q14
2
707Z
05
2)
1)
N
L
KNX
CE-
CE+
N1
Central apartment unit QAX910
1)
Universal input, for temperature measurement / digital input
2)
Universal potential-free relay output for mains or low-voltage
L
Live conductor AC 230 V
N
Neutral conductor AC 230 V
CE- / CE+ Connection of wired bus (KNX TP1- and KNX TP1+)
Environmental
conditions