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Siemens
Building Technologies
Contents
1.
About this document ........................................................................... 4
1.1
Revision history ..................................................................................... 4
1.2
Reference documents ............................................................................ 4
1.3
Before you start ..................................................................................... 5
1.3.1
Copyright ............................................................................................... 5
1.3.2
Quality assurance .................................................................................. 5
1.3.3
1.4
1.5
Glossary ................................................................................................ 6
2.
Summary .............................................................................................. 7
2.1
Types .................................................................................................... 7
2.2
Ordering ................................................................................................ 7
2.3
Functions ............................................................................................... 7
2.4
2.5
2.6
Accessories ......................................................................................... 11
3.
Functions ........................................................................................... 12
3.1
Temperature control ............................................................................. 12
3.2
Operating modes ................................................................................. 13
3.2.1
3.2.2
3.3
3.3.1
Description .......................................................................................... 19
3.3.2
3.4
3.5
Additional functions .............................................................................. 23
3.6
Control sequences ............................................................................... 25
3.6.1
3.6.2
Application mode ................................................................................. 26
3.6.3
3.6.4
Single-duct .......................................................................................... 29
3.6.5
3.6.6
3.7
Control outputs .................................................................................... 33
3.7.1
Overview ............................................................................................. 33
3.7.2
3.8
3.9
Handling faults ..................................................................................... 36
3.10
KNX communications........................................................................... 36
3.10.1
S-mode................................................................................................ 36
3.10.2
LTE mode ............................................................................................ 36
3.10.3
3.10.4
3.10.5
3.10.6
Startup ................................................................................................. 40
3.10.7
Heating demand .................................................................................. 40
RDU341 Basic Documentation
CE1P3172en
2015-06-08