15
Installation
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 tank 1
S3 (2x) Sensor 3 storage tank 2
The polarity of the sensors is freely se-
lectable.
Mains voltages 230VAC 50-60Hz Con-
nection in the right-hand terminal com-
partment!
Terminal: Connection for:
L Mains phase conductor L
N Mains neutral conductor N
R1 Pump (St.1) L (speed)
N Pump (storage tank 1) N
R2 Pump (storage tank 2) L
N Pump (storage tank 2) 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 collector
S2 (2x) Sensor 2 storage tank 1
S3 (2x) Sensor 3 storage tank 2
The polarity of the sensors is freely se-
lectable.
Mains voltages 230VAC 50-60Hz Con-
nection in the right-hand terminal com-
partment!
Terminal: Connection for:
L Mains phase conductor L
N Mains neutral conductor N
R1 Pump L (speed)
N Pump N
R2 Change-over valve L
N Change-over valve N
The PE protective conductor must be
connected to the PE metal terminal block!
D.9 Solar 2 Storage tank/valve
Sensor side
max. 12V
Sensor side
max. 12V
Caution
Caution
Mains side
230VAC
Danger
D.10 Solar 2 storage tank/2 pu.
Caution
Relay R1: For speed control of
standard pumps, minimum load
20VA
Relay R1: For speed control of
standard pumps, minimum load
20VA
Actuating direction of valve:
R2 on/valve on = charge to sensor 3
(storage tank 2)