18
Installation
Low voltage max
. 12VAC/DC connection in
the left-hand terminal compartment!
Terminal: Connection
for:
S1
Sensor 1 collector
S2
Sensor 2 store 1
S3
Sensor 3 return lift
S4
Sensor 4 store 2 bottom
S5
Sensor 5 store 2 top
S6
Sensor 6 (AntiLegionella,
see
7.7)
+ Not
used
- Jumper
terminal
block-
Connection of sensor earths (S1-S6) via
terminal block sensor-
The polarity of the sensors is freely se-
lectable.
Mains voltages
230VAC 50-60Hz Connec-
tion in the right-hand terminal compartment!
Terminal: Connection
for:
R1
pump 1 L (speed control)
N
pump 1 N
L
Mains phase conductor L
N
Mains neutral conductor N
R2
pump 2 L
N
pump 2 N
R3
valve return lift L
N
valve return lift N
The PE protective conductor must be con-
nected to the PE metal terminal block!
Brief description:
∆
T R1 (6.7) switches the pump at relay R1.
∆
T R2 (6.8) switches the pump at relay R2.
∆
T R3 (6.9) switches the return lift at relay
R3.
Relay R1: For speed control of standard pumps, minimum load 20VA
Caution
D.8
Solar + 2 storage tanks + 2 pumps + return lift
Caution
Danger
Mains side
230VAC
Sensor side
max. 12V