Wolf SM2 Installation And Operating Instructions Manual page 17

System configuration 2:
Mains
Diverter valve
230 V
AC
Solar circuit
pump SKP1
Heating
return
to the boiler
3062438_0309
Electrical connection
Single circuit system with return temperature raising for
central heating backup
3WUV
DHW
circulation
pump ZKP
(option)
Return
heating
circuits
Solar Return
sensor sensor
DHW
cylinder
SFS1
Solar
sensor
collector
SFK1
Solar cylinder
RLF
Buffer
sensor
PF
Collector
17