Siemens RVA47.320 - Page 4

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Siemens Building Technologies Basic Documentation RVA47.320 CE1P2379E
HVAC Products Contents 15.07.2002
Actual values..................................................................................................................48
3.16 Actual value of the room temperature............................................................48
3.17 Actual value of outside temperature ..............................................................48
Maintenance ..................................................................................................................49
3.18 Standard time switch program for heating circuit and d.h.w. .........................49
Time switch program for d.h.w. heating .........................................................................50
3.19 Preselecting the weekday ..............................................................................50
3.20 Switching times ..............................................................................................50
Service . ...................................................................................................................52
3.21 Displaying the BMU error code ......................................................................52
3.22 Indication of faults ..........................................................................................53
4 Description of the heating engineer settings..................................................55
Service values................................................................................................................55
4.1 Output test .....................................................................................................55
4.2 Input test ........................................................................................................55
4.3 Display of plant type.......................................................................................56
4.4 Displaying the PPS communication ...............................................................58
Actual values..................................................................................................................60
4.5 Actual boiler temperature values of BMUs (TKx)...........................................60
4.6 Actual value of cascade flow temperature .....................................................60
4.7 Actual value of the cascade return temperature ............................................61
4.8 Actual value of buffer storage tank temperature ............................................63
4.9 Actual value of the d.h.w. temperature (TBWx) .............................................63
4.10 Attenuated outside temperature.....................................................................64
4.11 Composite outside temperature.....................................................................65
Setpoints . ..................................................................................................................66
4.12 Outside temperature source ..........................................................................66
4.13 Boiler temperature setpoint of BMUs .............................................................66
4.14 Setpoint of the cascade flow temperature......................................................67
4.15 D.h.w temperature setpoint............................................................................67
4.16 Nominal room temperature setpoint...............................................................68
4.17 Room temperature setpoint ...........................................................................69
4.18 Flow temperature setpoint .............................................................................69
Heat generation values ..................................................................................................70
4.19 Existing boilers...............................................................................................70
4.20 Display lead boiler..........................................................................................70
4.21 Remaining number of operating hours for changeover of boiler sequence ...71
4.22 Burner operating hours BMU 1 – 4 ................................................................72
4.23 Minimum limitation of the boiler temperature TKmin......................................72
4.24 Nominal output of BMU 1 - 4..........................................................................73
Configuration of plant.....................................................................................................74
4.25 Pump function output Q1 ...............................................................................74
4.26 Use sensor input B70/B4 ...............................................................................74
Heating circuit values.....................................................................................................76
4.27 Parallel displacement of the heating curve ....................................................76
4.28 Room influence ..............................................................................................76
4.29 Switching differential of the room temperature ..............................................77
4.30 Minimum limitation of the flow temperature setpoint......................................78
4.31 Maximum limitation of the flow temperature setpoint.....................................79
4.32 Type of building construction .........................................................................80
4.33 Adaption of the heating curve ........................................................................81