Wolf SM2 Installation And Operating Instructions Manual page 19

System configuration 4.0:
Mains
Diverter valve
230 V
AC
Solar circuit
pump SKP1
Solar cylinder 1
3062438_0309
Electrical connection
Dual-circuit system with two solar cylinders with cylinder
priority control
3WUV
DHW
circulation
pump ZKP
(option)
Solar Return
sensor sensor
cylinder 1
SFS1
Solar
sensor
collector
SFK1
Collector
RLF
Flow rate
generator
DFG cylinder 2
Solar cylinder 2
Solar
sensor
SFS2
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