15
Low voltage max
. 12VAC/DC connection in
the left-hand terminal compartment!
Terminal: Connection
for:
S1 (2x)
Sensor 1 collector
S2 (2x)
Sensor 2 storage low
S3 (2x)
Sensor 3 storage top
The polarity of the sensors is freely
selectable.
Mains voltages 230VAC 50-60Hz
Connection in the right-hand terminal com-
partment!
Terminal: Connection
for:
R2
Pump cooler L
N
Pump cooler N
L
Mains phase conductor L
N
Mains neutral conductor N
R1
Pump phase conductor L
N
Pump neutral conductor N
The PE protective conductor must be
connected to the PE metal terminal block!
Installation
Sensor side
max. 12V
Caution
Mains side
230VAC
Low voltage max
. 12VAC/DC connection in
the left-hand terminal compartment!
Terminal: Connection
for:
S1 (2x)
Sensor 1 collektor
S2 (2x)
Sensor 2 storage low
S3 (2x)
Sensor 2 storage top
The polarity of the sensors is freely
selectable.
Mains voltages 230VAC 50-60Hz
Connection in the right-hand terminal com-
partment!
Terminal: Connection
for:
R2 Thermostat
L
N Thermostat
N
L
Mains phase conductor L
N
Mains neutral conductor N
R1
Pump phase conductor L
N
Pump neutral conductor N
The PE protective conductor must be
connected to the PE metal terminal block!
Danger
Sensor side
max. 12V
Caution
Mains side
230VAC
Danger
D.9
Solar + Thermostat
D.10
Solar + cooler
Explanation of cooling function see 6.4.1