Siemens RDG20 KN Series Basic Documentation page 3

A6V11545892_en--_c
Scheduler .................................................................................. 62
4.6.7
M/S, Manager/subordinate ......................................................... 64
4.6.8
Preventive operation .................................................................. 68
4.6.9
NFC communication................................................................... 68
4.6.10
4.6.11 IAQ - CO
Control sequences .................................................................................... 75
4.7
Sequence overview (setting via P001) ........................................ 75
4.7.1
Application mode ....................................................................... 76
4.7.2
2-pipe fan coil unit ...................................................................... 78
4.7.3
2-pipe fan coil unit with electric heater ........................................ 79
4.7.4
2-pipe fan coil unit with radiator or floor heating .......................... 81
4.7.5
2-stage on 2-pipe/4-pipe heating and cooling ............................. 83
4.7.6
4-pipe fan coil unit ...................................................................... 88
4.7.7
4-pipe fan coil unit with electric heater ........................................ 91
4.7.8
Chilled/heated ceiling and radiator applications .......................... 93
4.7.9
Compressor applications ............................................................ 96
4.7.10
4.7.11 Applications with external AQR sensor or QMX room operator unit
.................................................................................................. 97
Setpoints and sequences ........................................................... 98
4.7.12
Control outputs ......................................................................................... 99
4.8
Overview.................................................................................... 99
4.8.1
4.8.2 Control output configuration (setting via DIP switches 7/8 or tool,
and P201/P203/P204/P205) ......................................................103
Fan control ..............................................................................................105
4.9
4.10 Multifunctional input, digital input ..............................................................112
4.11 Handling system faults .............................................................................115
4.12 KNX communications ...............................................................................115
S-Mode .....................................................................................115
4.12.1
M/S, Manager/subordinate configuration in KNX S-Mode ..........116
4.12.2
LTE-Mode .................................................................................119
4.12.3
Zone addressing in LTE-Mode (with Synco) ..............................119
4.12.4
M/S, Manager/subordinate configuration in LTE-Mode ..............121
4.12.5
Example of heating and cooling demand zones .........................123
4.12.6
Send heartbeat and receive timeout ..........................................123
4.12.7
Startup ......................................................................................124
4.12.8
Heating and cooling demand .....................................................124
4.12.9
4.12.10 Fault and alarms function on KNX .............................................125
4.13 Communication objects ............................................................................126
4.13.1 Overview...................................................................................126
4.13.2 Description of communication objects........................................128
4.14 Communication objects (LTE-Mode) ........................................................134
4.15 Control parameters ..................................................................................135
Parameter setting via local HMI .................................................135
4.15.1
Setting/downloading parameter via tool .....................................136
4.15.2
Commissioning parameter via Smartphone app PCT Go ...........136
4.15.3
Service level parameters ...........................................................138
4.15.4
4.15.5 Expert level parameters with diagnostics and test......................140
Supported KNX tools .................................................................... 145
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monitoring and control .............................................. 68
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