12/348
Siemens Building Technologies
Basic Documentation RVP540 / RVP550
CE1P2488en
HVAC Products
Contents
18.10.2002
Functions ...............................................................................................................237
4.223
Reduced setpoint of d.h.w. temperature TBWR ....................................237
4.224
Release of d.h.w. heating.......................................................................238
4.224.1
24-hour operation
Setting 0
...................................................................238
4.224.2
Operation according to the heating program with forward shift,
Setting 1
238
4.224.3
Operation according to the d.h.w. time switch program
Setting 2
........239
4.225
Program selection circulating pump.......................................................239
4.226
Assignment of d.h.w. heating .................................................................240
4.227
Number of d.h.w. charging cycles..........................................................241
4.227.1
Once per day with a forward shift of 2.5 hours
Setting 0
......................241
4.227.2
Several times per day with a forward shift of 1 hour
Setting 1
..............241
4.228
Type of d.h.w. demand...........................................................................242
4.229
Boost of the flow temperature setpoint for d.h.w....................................243
4.230
D.h.w. priority .........................................................................................244
4.230.1
Shifting priority........................................................................................244
4.231
D.h.w. priority when charging with the buffer storage tank ....................246
4.232
Automatic d.h.w. push............................................................................247
4.233
D.h.w. charging time limitation ...............................................................248
4.234
Changeover to d.h.w. heating with electric immersion heater ...............248
Legionella function.................................................................................................249
4.235
Periodicity of the legionella function.......................................................249
4.236
Legionella function strategy ...................................................................250
4.237
Setpoint of the legionella function ..........................................................251
4.238
Time for the legionella function ..............................................................251
4.239
Dwelling time at legionella function setpoint ..........................................251
4.240
Circulating pump operation during the legionella function .....................252
General functions ..................................................................................................253
4.241
Effect of the green button.......................................................................253
4.242
Frost protection for the plant with the system pump ..............................253
4.243
Central setpoint compensation...............................................................254
LPB / system..........................................................................................................255
4.244
LPB device address ...............................................................................255
4.245
LPB segment address............................................................................256
4.246
LPB power supply ..................................................................................256
4.247
Display of LPB power supply .................................................................257
4.248
Range of action of central changeover ..................................................257
4.249
Automatic summer / winter changeover.................................................258
4.250
Central standby switch ...........................................................................258
4.251
Outside temperature source...................................................................259
Clock 260
4.252
Clock mode ............................................................................................260
4.253
Winter- / summertime changeover.........................................................261