Siemens RVA53.242 - Page 4

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Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Contents 26.03.2001
3.10 Preselection of weekday for time switch program 1..................................48
3.11 Switching times of time switch program 1...............................................50
Time switch program 2........................................................................51
3.12 Preselection of weekday for time switch program 2..................................51
3.13 Switching times of time switch program 2...............................................52
Time switch program 3 (d.h.w.).............................................................53
3.14 Preselection of weekday for time switch program 3 (d.h.w.)......................53
3.15 Switching times of time switch program 3 (d.h.w.)....................................54
D.h.w. values......................................................................................55
3.16 Nominal setpoint of d.h.w. temperature (TBWw)......................................55
Heating circuits...................................................................................56
3.17 Reduced setpoint of room temperature (TRRw).......................................56
3.18 Frost protection setpoint of room temperature (TRF)................................57
3.19 Summer / winter changeover temperature heating circuit 1 (THG1)............58
3.20 Heating curve slope heating circuit 1 (S1)...............................................59
3.21 Summer / winter changeover temperature of heating circuit 2 (THG2)........60
3.22 Heating curve slope heating circuit 2 (S2)...............................................61
Display of actual values .......................................................................62
3.23 Actual value of room temperature (TRx).................................................62
3.24 Actual value of outside temperature (TAx)..............................................62
Display of burner data.........................................................................63
3.25 Burner hours run stage 1 (tBR1) ...........................................................63
3.25.1 Counting the hours run........................................................................63
3.25.2 Average burner running time ................................................................63
3.26 Burner hours run stage 2 (tBR2) ...........................................................64
3.26.1 Counting the hours run........................................................................64
3.27 Number of burner starts stage 1............................................................64
3.28 Number of burner starts stage 2............................................................65
Maintenance......................................................................................66
3.29 Standard times ...................................................................................66
Holidays............................................................................................67
3.30 Holiday period heating circuits 1 and 2...................................................68
3.31 Start and end of holiday period heating circuits 1 and 2............................68
3.32 Indication of BMU error code................................................................69
3.33 Indication of faults...............................................................................70
4 Description of heating engineer settings.................................................72
Service values ....................................................................................72
4.1 Output test.........................................................................................72
4.2 Input test ...........................................................................................73
4.3 Display of plant type............................................................................74
Actual values......................................................................................75
4.4 Actual value of flow temperature (B1) ....................................................75