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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