Basic Documentation

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Siemens RDU341 Basic Documentation CE1P3172en
Building Technologies 2017-02-17
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 Document use / request to the reader .................................................... 5
1.4 Target audience, prerequisites ............................................................... 6
1.5 Glossary ................................................................................................ 6
2. Summary .............................................................................................. 7
2.1 Types .................................................................................................... 7
2.2 Ordering ................................................................................................ 7
2.3 Functions ............................................................................................... 7
2.4 Integration via KNX bus ......................................................................... 8
2.5 Equipment combinations ...................................................................... 10
2.6 Accessories ......................................................................................... 11
3. Functions ........................................................................................... 12
3.1 Temperature control ............................................................................. 12
3.2 Operating modes ................................................................................. 13
3.2.1 Different ways to influence the operating mode .................................... 14
3.2.2 Communication examples .................................................................... 17
3.3 Room temperature setpoints ................................................................ 19
3.3.1 Description .......................................................................................... 19
3.3.2 Setting and adjusting setpoints ............................................................ 20
3.4 Applications overview .......................................................................... 22
3.5 Additional functions .............................................................................. 23
3.6 Control sequences ............................................................................... 25
3.6.1 Sequences overview (setting via parameter P01) ................................. 25
3.6.2 Application mode ................................................................................. 26
3.6.3 Minimum and maximum air volume ...................................................... 28
3.6.4 Single-duct .......................................................................................... 29
3.6.5 Single-duct with electric heater ............................................................ 30
3.6.6 Setpoints and sequences ..................................................................... 32
3.7 Control outputs .................................................................................... 33
3.7.1 Overview ............................................................................................. 33
3.7.2 Control outputs configuration (setting via DIP switches or tool) ............. 33
3.8 Multifunctional input, digital input.......................................................... 34
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 Zone addressing in LTE mode (in conjunction with Synco) ................... 37
3.10.4 Example of heating and cooling demand zone ..................................... 39
3.10.5 Send heartbeat and receive timeout ..................................................... 40
3.10.6 Startup ................................................................................................. 40
3.10. 7 Heating demand .................................................................................. 40