18
D.15 Solar + cooling 2
D.16 Solar + cooling 3
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 low
S3 (2x) Sensor 3 storage tank top
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, prim. L (speed)
N Pump, primary N (speed)
R2 Pump cooler L
N Pump cooler 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
S3 (2x) Sensor 3 optional
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 (speed)
R2 Pump cooler L
N Pump cooler N
The PE protective conductor must be
connected to the PE metal terminal block!
Sensor side
max. 12V
Sensor side
max. 12V
Caution
Caution
Mains side
230VAC
Danger
Caution
Relay R1: For speed control of
standard pumps, minimum load
20VA
Relay R1: For speed control of
standard pumps, minimum load
20VA
Description of cooling function see 6.4.1
Description of cooling function see 6.4.1