Siemens RDX33.21 - Page 14

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Siemens Room temperature controller with LCD N3075en
Building Technologies 17.04.2009
Legend
L Live conductor AC 230 V
N Neutral conductor AC 230 V
N1 Room temperature controller
RDX33...
R1 Relay changeover module
Y Heat pump
Y1 Actuating device ”Heating”
Y2 Actuating device ”Cooling”
Q13-Q14 Output for compressor
Q21-Q22 H/C changeover output
*
AC 230 V or SELV DC 10 V
L Live conductor AC 230 V
N Neutral conductor AC 230 V
N2 Room temperature controller RDX43..
E1 Auxiliary electric heating
Y Heat pump
Y1 Actuating device ”Heating”
Y2 Actuating device ”Cooling”
Q13-Q14 Output for compressor
Q21-Q22-Q24 H/C changeover output
Q33-Q34 Output for auxiliary electric heating
Dimensions
102
120.3
128
30
3
0
5
8
Z
0
4
RDX33… RDX43…
©2008 – 2009 Siemens Switzerland Ltd Subject to change