Samson TROVIS 5573 - 16.2 Functions of the heating circuit

16-2 EB 5573 EN
Appendix A (conguration instructions)
Primary and secondary systems
Different hydraulic schematics are available.
The systems can be designed as primary or secondary systems. The main hydraulic differenc-
esbetweentheprimaryandsecondsystemsareshowninFig.16-2.
1. Amixingvalvereplacestheheatexchangerintheheatingcircuit/DHWcircuit.
2. Astoragetankchargingpumpreplacesthesolenoidvalve/thermoelectricvalveinthe
primary system.
Do not change the controller settings.
BE
BA
AE
RK
BE
BA
AE
RK
RüF1 VF1UP1RK1 RF1
RK1 RüF1
VF1UP1 RF1
Primary system
Secondary system
1.
BE
BA
AE
RK
WW
KW
SF1SLP
BE
BA
AE
RK
WW
KW
SF1SLP
Primary system
Secondary system
2.
Fig.16-2: Differences between primary and second systems