7
6 System diagram
1 collector, 1 storage tank
230V connections
L
Mains phase
N
Neutral conductor - mains and outputs
A1
Solar circuit pump (switching output 1)
Sensor connections
S1
Collector sensor
S2
Lower storage tank
Switch positions:
Temp. diff. controller: all=off
Heating: 1=on
Cooling: 1 and 3=on
Anti-freeze: 2=on
RPM-control: 4=on
