Special functions menu
Balance or
start / stop values
Units
Tank temperature,
upper half
Confirm /
save icon
System error
Settings menu
Information menu
Temperature difference
Number display for
temp. or sensor errors
Collector temperature
Reset symbol
Tank temperature, lower half
Pump ON
Pump OFF
Output A1
Figure 3 Connections.
Safety fuse
T1, collector sensor
T2, tank sensor, lower half
T3, tank sensor, upper half
Mains, PE
Solar circulation pump, PE
Mains, phase (L)
Mains, neutral (N)
Solar circulation pump, phase (L1)
Solar circulation pump, zero (N1)
Mains voltage area
Safety low voltage area