Abortion of DHW charging........................................................................... 161
Charging control .......................................................................................... 161
Overtemperature protection......................................................................... 162
Recooling..................................................................................................... 163
electric immersion heater ............................................................................ 163
Excess heat draw ........................................................................................ 164
Plant hydraulics ........................................................................................... 165
Speed-controlled pump ............................................................................... 165
Transfer ....................................................................................................... 167
6.19
Instantaneous DHW heater (only RVS61.843)............................................ 167
Overview...................................................................................................... 167
Configuration ............................................................................................... 168
Setpoints...................................................................................................... 168
Speed-controlled pump ............................................................................... 168
Mixing valve control ..................................................................................... 168
6.20
Configuration ............................................................................................... 168
Procedure .................................................................................................... 168
Preselection of plant diagram ..................................................................... 169
Manual setting / adjustment of partial diagrams ......................................... 169
Heating/cooling circuit 1 .............................................................................. 169
Heating circuit 2........................................................................................... 170
DHW controlling element Q3 ....................................................................... 171
Separate DHW circuit .................................................................................. 171
Heat pump ................................................................................................... 172
Solar ............................................................................................................ 173
Buffer storage tank ...................................................................................... 174
Output relay QX........................................................................................... 174
Function output QX4-Mod ........................................................................... 179
Sensor input BX1, BX2, BX3, BX4, BX5 ..................................................... 179
Input H1, H3 ................................................................................................ 180
Input EX1, EX2, EX3, EX4, EX5, EX6, EX7................................................ 186
Mixing group ................................................................................................ 188
Extension module ........................................................................................ 189
Frost protection on the extension module ................................................... 189
QX extension module .................................................................................. 190
BX extension module................................................................................... 191
H2 extension module................................................................................... 191
10V output UX ............................................................................................. 192
Types of sensor / readjustment ................................................................... 193
Building and room model............................................................................. 193
Frost protection for the plant........................................................................ 194
Air dehumidifier............................................................................................ 194
Sensors ....................................................................................................... 195
Parameters .................................................................................................. 195
Plant diagram .............................................................................................. 195
Device data.................................................................................................. 198
6.21
LPB.............................................................................................................. 198
Address / power supply ............................................................................... 198
Central functions.......................................................................................... 199
Clock............................................................................................................ 201
6.22
Errors........................................................................................................... 201
Reset ........................................................................................................... 201
Error message functions.............................................................................. 202
Error history ................................................................................................. 202
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Siemens Switzerland Ltd
User manual RVS61.843, RVS41.813
CE1U2355en_02
HVAC Products
Contents
28. September 2009