9/238
Building Technologies Modular Heating Controller RMH760B CE1P3133en
HVAC Products Contents 05.02.2007
12.6 Diagnostic choices.......................................................................................193
13 Function block faults ................................................................................194
13.1 Overview of function block...........................................................................194
13.2 Configuration ...............................................................................................194
13.3 Fault button.................................................................................................. 195
13.4 External fault button..................................................................................... 195
13.5 Fault properties............................................................................................ 195
13.5.1 Acknowledgement and reset .......................................................................195
13.5.2 Signal priority...............................................................................................196
13.5.3 Plant behavior..............................................................................................196
13.6 State diagrams of the individual types of faults ........................................... 197
13.7 Predefined fault inputs.................................................................................198
13.8 Fault inputs .................................................................................................. 198
13.8.1 Universal fault inputs ...................................................................................198
13.8.2 Analog fault input with limit value supervision ............................................. 199
13.9 Communication............................................................................................ 200
13.10 Fault relay....................................................................................................201
13.11 Fault display ................................................................................................202
13.12 Deleting all fault status messages ...............................................................202
13.13 Diagnostic choices.......................................................................................202
14 Communication .........................................................................................204
14.1 Basic settings ..............................................................................................204
14.2 Calendar data (holidays and special days).................................................. 205
14.3 Room data ................................................................................................... 206
14.3.1 Communication variants ..............................................................................206
14.3.2 Settings on the RMH760B ...........................................................................209
14.3.3 Settings on the room unit............................................................................. 210
14.4 DHW data ....................................................................................................210
14.5 Heat demand and load control ....................................................................211
14.6 Weather data ............................................................................................... 213
14.7 Fault handling .............................................................................................. 214
15 Fault tracing aids.......................................................................................217
15.1 List of fault numbers ....................................................................................217
15.2 Troubleshooting...........................................................................................220
16 Appendix ....................................................................................................221
16.1 Configuration diagrams ...............................................................................221
16.1.1 Terminal markings ....................................................................................... 221
16.1.2 Code letters .................................................................................................221
16.1.3 Configuration choices .................................................................................. 221