Siemens RVD240 Basic Documentation page 115

District heating and domestic hot water controller
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Index
A
absolute priority......................................................... 60
access rights ........................................................... 106
acquisition of measured values................................. 24
actual outside temperature ................................. 40, 46
addressing the devices ............................................. 76
addressing, M-bus .................................................... 84
adjustment to the time of year................................... 73
analog operating elements...................................... 105
assignment of d.h.w. heating .................................... 75
attenuated outside temperature ................................ 40
automatic 24-hour heating limit................................. 47
automatic ECO function ............................................ 46
automatic heating operation...................................... 22
automatic mode ............................................ 22, 23, 62
automatic summer / winter changeover .................... 47
auxiliary functions ..................................................... 16
B
base ................................................................ 107, 112
baud rate, M-bus....................................................... 84
block skip function................................................... 105
building time constant ............................................... 40
bus power supply, LPB ............................................. 77
buttons .................................................................... 105
C
cable entry .............................................................. 112
cable lengths........................................................... 108
central power supply, LPB ........................................ 77
charging boost .......................................................... 73
child-proofing ............................................................ 74
circulating pump.................................................. 36, 59
circulating pump (legionella function)........................ 70
circulating pump, switching program......................... 59
closing time ............................................................... 96
combination with PPS devices.................................. 99
commissioning ........................................................ 107
compensating variables ............................................ 40
compensating variables and auxiliary variables,
ECO function ........................................................ 46
compensation of heat losses through control,
direct d.h.w. heating.............................................. 67
composite outside temperature................................. 40
configuration of plant................................................. 35
connection diagrams............................................... 111
connection terminals ....................................... 109, 112
contact H5................................................................. 36
continuous operation................................................. 22
control of the circulating pump ................................... 59
Siemens Building Technologies
HVAC Products
Basic documentation RVD240
Index
control of the intermediate circuit pump ....................39
control of variable speed pump .................................36
control outputs in manual operation ........................103
control process, d.h.w. circuit ....................................72
control process, heat converter .................................54
control process, heating circuit..................................56
controller in unoperated state..................................106
controller insert........................................................112
controller-internal uncritical locking signals ...............79
cover .......................................................................112
critical locking signals................................................78
D
d.h.w. flow sensor .....................................................25
d.h.w. functions .........................................................16
d.h.w. heating ......................................................58, 65
d.h.w. heating (operating mode) ...............................23
d.h.w. heating program ..............................................31
d.h.w. heating with storage tanks..............................63
d.h.w. heating with stratification storage tank ...........64
d.h.w. priority .............................................................59
d.h.w. storage tank sensor ........................................26
d.h.w. temperature setpoint.......................................29
derivative action time ................................................72
deviation in the room.................................................45
digital operating elements .......................................105
dimensions ..............................................................112
direct d.h.w. heating via heat exchanger...................65
display .......................................................................87
display d.h.w. temperature ........................................32
display flow temperature heating circuit ....................32
display limitations ......................................................89
display of digital inputs ..............................................88
display of pump speed ..............................................88
display of setpoint .....................................................43
display outside temperature ......................................32
district heat network parameters ...............................91
documentation...........................................................14
DRT ...........................................................................94
DRT and maximum limitation of the return
temperature...........................................................91
duration of d.h.w. heating ..........................................63
dwelling time (legionella function) .............................69
E
electric immersion heater ..........................................64
electronics ...............................................................112
energy / volumetric flow pulses .................................95
engineering .............................................................109
entries for LPB ..........................................................76
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CE1P2384en
27.05.2004

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