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Siemens Building Technologies
Basic Documentation RVL471
CE1P2524E
HVAC Products
Index
23.10.2002
Index
2
2-position control .......................................................52
2-position controller ...................................................51
3
3-position control .......................................................49
A
absolute priority .........................................................69
access rights ...........................................................103
acknowledgment .......................................................34
acquisition of d.h.w. storage tank temperature..........73
acquisition of measured values .................................26
actual outside temperature........................................37
addressing the devices..............................................93
alternate d.h.w. charging ...........................................72
analog operating elements ......................................101
assignment of d.h.w. heating.....................................64
attenuated outside temperature ................................37
automatic mode.........................................................23
automatic mode.........................................................23
automatic operation...................................................23
auxiliary terminals....................................................105
B
backup of time switch ..............................................108
bar .............................................................................44
base.........................................................................107
basic heating curve setting........................................44
basic settings d.h.w. ..................................................64
block skip function ...................................................102
boiler operating mode................................................51
boiler temperature .....................................................26
boost heating.............................................................42
boost of the d.h.w. charging temperature..................74
bridging terminals H3
−
M ...........................................95
building time constant................................................37
burner cycling protection ...........................................52
burner running time ...................................................52
bus loading number...................................................94
bus power supply ......................................................93
buttons for selecting the heating circuit’s
operating mode .......................................................101
C
CE conformity..........................................................108
central unit OZW30 ...................................................98
circulating pump ........................................................64
combination with room units......................................96
combinations .............................................................16
commissioning.........................................................103
commissioning aids ...................................................86
communication ..........................................................98
compensating variables and auxiliary variables ....... 37
composite outside temperature ................................ 37
connection diagrams .............................................. 106
connection terminals............................................... 105
contact H1 ................................................................ 90
control with a 2-stage burner .................................... 53
control with a single-stage burner............................. 52
controller insert ....................................................... 107
critical locking signals ............................................... 91
D
d.h.w temperature control ......................................... 77
d.h.w. button ........................................................... 101
d.h.w. charging ......................................................... 72
d.h.w. circuit type 0................................................... 19
d.h.w. flow temperature ............................................ 28
d.h.w. operating modes ............................................ 23
d.h.w. plant type 0 .................................................... 19
d.h.w. plant type 1 – d.h.w. storage tank with
charging pump.......................................................... 19
d.h.w. plant type 2 – d.h.w. storage tank with
mixing valve.............................................................. 19
d.h.w. plant type 3 – storage tank with diverting
valve ......................................................................... 20
d.h.w. plant type 4 – instantaneous d.h.w. heating
via heat exchanger ................................................... 20
d.h.w. plant type 5 – only electric immersion heater. 20
d.h.w. storage tank thermostat ................................. 73
deflection heating curve............................................ 45
deflection of heating curve........................................ 45
derivative action time................................................ 78
differential primary / secondary return temperature.. 60
digital operating elements....................................... 102
dimensions ............................................................. 107
direct burner control.................................................. 51
display .................................................................... 101
display .................................................................... 101
display functions ....................................................... 84
display of current setpoints (heating curve).............. 46
display of positioning commands............................ 102
diverting valve........................................................... 75
documentation .......................................................... 12
DRT limitation ........................................................... 60
E
ECO function ............................................................ 37
ECO heating limits.................................................... 38
economy button .................................................. 96, 97
electric immersion heater ......................................... 72
electronics .............................................................. 107
engineering............................................................. 105
entries for LPB.......................................................... 92
ERROR..................................................................... 34
Error messages ........................................................ 34
