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11
Low voltage max
. 12VAC/DC connection in
the left-hand terminal compartment!
Terminal: Connection
for:
S1
Sensor 1 Collector
S2
Sensor 2 Storage
S3
Sensor 3 thermostat
S4
Sensor 4 circulation
S5
Sensor 5 (optional:
switch off sensor circulation)
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.
Caution
Danger
Mains side
230VAC
Mains voltages
230VAC 50-60Hz Connec-
tion in the right-hand terminal compartment!
Terminal: Connection
for:
R1
pump L (speed control)
N pump
N
L
Mains phase conductor L
N
Mains neutral conductor N
R2
pump L (no speed control)
N pump
N
R3 thermostat
L
N thermostat
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
Tset S3 (6.10) switches the additional heat-
ing at relay R3
Tset S4 (6.11) switches the circulation pump
at relayR2.
Relay R1: For speed control of standard pumps, minimum load 20VA
Caution
Sensor side
max. 12V
Installation
D
Terminal connection diagrams
D.1
Solar + circulation