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Siemens Building Technologies
Basic Documentation RVD230
CE1P2383de
HVAC Products
Index
27.05.2004
load management, M-bus ......................................... 90
locking functions level ............................................... 95
locking on the hardware side .................................. 103
locking on the software side.................................... 103
locking signals........................................................... 83
locking the settings ................................................... 95
low-voltage.............................................................. 113
LPB parameters ........................................................ 81
M
mains voltage.......................................................... 112
manual d.h.w. charging............................................. 66
manual operation .............................................. 23, 108
manual storage tank charging................................... 67
master clock.............................................................. 81
maximum limitation of flow temperature, heat
converter............................................................... 57
maximum limitation of rate of flow temperature
increase ................................................................ 52
maximum limitation of room temperature.................. 49
maximum limitation of secondary return
temperature .......................................................... 97
maximum limitation of setpoint rise........................... 52
maximum limitation of the flow temperature
heating circuit........................................................ 60
maximum limitation of the primary return
temperature .......................................................... 95
maximum limitation of the primary return
temperature, d.h.w. heating mode........................ 97
maximum limitation of the primary return
temperature, heating circuit .................................. 96
maximum limitation of the rate of setpoint
increase ................................................................ 52
maximum limitation of the temperature
differential ............................................................. 98
maximum setpoint of d.h.w. temperature.................. 78
m-bus parameters..................................................... 89
mechanical design .................................................. 116
mechanical design of controller .............................. 116
minimum and maximum pump speed ....................... 38
minimum limitation of the flow temperature
heating circuit........................................................ 61
minimum limitation of the flow temperature,
heat converter....................................................... 58
mode of operation of ECO function........................... 48
mode of operation of frost protection for the
building ................................................................. 52
mounting choices .................................................... 116
N
no priority (d.h.w. heating) ........................................ 65
nominal d.h.w. temperature setpoint......................... 32
Nominal setpoint ....................................................... 29
nonoccupancy time ................................................... 51
O
occupancy time .........................................................51
operating elements..........................................109, 116
operating line principle ............................................110
operating lines.........................................................112
operating lines, QAW70 ..........................................106
operating modes .......................................................23
operation locking functions......................................103
optimization ...............................................................49
optimum shutdown ..............................................49, 51
optimum start control...........................................49, 51
optimum stop control...........................................49, 51
outside sensor...........................................................24
outside temperature reset ...................................33, 41
outside temperature source ......................................82
overlapping heating periods ......................................30
overlapping holiday periods ......................................34
overriding the operating mode, QAW50..................104
overriding the operating mode, QAW70..................106
overrun, d.h.w circuit .................................................65
overrun, heating circuit..............................................48
overrun, pump and mixing circuit ..............................54
overtemperature supervision.....................................87
P
parallel operation (d.h.w. heating).............................65
plant type...................................................................36
plant types.................................................................17
plants with coil type storage tanks ............................67
plants with stratification storage tanks ......................67
power section ..........................................................116
PPS .........................................................................112
PPS parameters........................................................91
precontrol ..................................................................54
primary return temperature sensor............................27
priority of d.h.w. heating ............................................63
protection adainst overtemperatures, storage
tank charging ........................................................68
protection against cooling down................................70
protection against discharging ..................................68
protection against overtemperatures ..........................53
protective extra low-voltage ....................................112
pulse lock ..................................................................85
pulse-width modulated output ...................................37
pump kick ..................................................................53
pump overrun, d.h.w. circuit ......................................65
pump overrun, heating circuit....................................48
pump overrun, pump and mixing circuit ....................54
PWM output ......................................................37, 114
Q
QAW70 operating lines ...........................................106
quick setback ......................................................49, 51
