12
D.3
Solid fuel with storage tank
D.4
Raising of heat circuit
Low voltage
max. 12VAC/DC connection in
the left-hand terminal compartment!
Terminal: Connection
for:
S1 (2x)
Sensor 1 Solid fuel boiler
S2 (2x)
Sensor 2 Storage
S3 (2x)
Sensor 3 (optional)
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 not
used
N not
used
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!
Low voltage
max. 12VAC/DC connection in
the left-hand terminal compartment!
Terminal: Connection
for:
S1 (2x)
Sensor 1 storage
S2 (2x)
Sensor 2 backward fl ow
S3 (2x)
Sensor 3 (optional)
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 not
used
N not
used
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!
Caution
Actuating direction of valve:
R1 on/valve on = direction
through the storage tank
Installation
Sensor side
max. 12V
Mains side
230VAC
Danger!
Caution!
Sensor side
max. 12V
Mains side
230VAC
Danger!
Caution!