Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Table of contents 03.10.2011
25 Heat demand........................................................................................253
25.1 Activate block (basic types A, P, U).......................................................253
25.2 Activate block (basic type C).................................................................253
25.3 Supervision (basic types A, P, U) ..........................................................254
25.4 Heat demand relay (Q ).......................................................................255
25.5 Heat demand modulating ( ) ................................................................257
25.6 Display values .......................................................................................258
25.7 Function check / wiring test...................................................................258
25.8 Troubleshooting ....................................................................................258
26 Refrigeration demand.........................................................................259
26.1 Activate block (basic types A, P, U).......................................................259
26.2 Activate block (basic type C).................................................................260
26.3 Supervision ...........................................................................................261
26.4 Refrigeration demand relay (Q ) .........................................................262
26.5 Refrigeration demand modulating ( ) ...................................................263
26.6 Display values .......................................................................................264
26.7 Function check / wiring test...................................................................264
26.8 Troubleshooting ....................................................................................264
27 Heating/cooling changeover..............................................................265
27.1 Activate function....................................................................................265
27.2 Preselected operating mode input H/C.................................................266
27.3 Effect of function H/C ............................................................................268
27.4 Display current state .............................................................................269
27.5 Heating/cooling changeover relay.........................................................269
27.6 Troubleshooting ....................................................................................269
27.7 Application examples ............................................................................270
28 Communication...................................................................................273
28.1 Activate communication ........................................................................273
28.2 "Communication" menu ........................................................................273
29 Support on errors and faults .............................................................285
29.1 How to handle faults..............................................................................285
29.2 Error/fault code list ................................................................................286
29.3 Troubleshooting ....................................................................................289
29.4 Resolve errors.......................................................................................291
30 Electrical connections........................................................................292
30.1 Connection rules ...................................................................................292
30.2 Connection terminals ............................................................................293
31 Appendix..............................................................................................294
31.1 Abbreviations ........................................................................................294
31.2 Configuration diagrams.........................................................................296
31.3 Menu tree ..............................................................................................323
31.4 Editable text ..........................................................................................324
Index ..............................................................................................................329