16
Low voltage max. 12VAC/DC connection
Terminal: Connection for:
S1 (2x) Sensor 1 storage
S2 (2x) Sensor 2 (optional)
S3 (2x) Sensor 3 (optional)
The polarity of the sensors S1-S3 is freely selectable.
V1 / - 0-10V or PWM +/- (STDC Version 3+4)
Mains voltages 230 VAC 50-60Hz
Terminal: Connection for:
L Mains phase conductor L
N Mains neutral conductor N
R Pump phase conductor L
N Pump neutral conductor N
R
Break contact (STDC Version 1+3)
The PE protective conductor must be connected to
the PE metal terminal block!
When S2 is installed = S1
is switch-on sensor and S2
switch-off sensor.
Installation
Low voltage max. 12VAC/DC connection
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 S1-S3 is freely selectable.
V1 / - 0-10V or PWM +/- (STDC Version 3+4)
Mains voltages 230 VAC 50-60Hz
Terminal: Connection for:
L Mains phase conductor L
N Mains neutral conductor N
R Valve phase conductor L
N Valve neutral conductor N
R
Break contact (STDC Version 1+3)
The PE protective conductor must be connected to
the PE metal terminal block!
D.5 Raising of heat circuit
D.6 Thermostat
Sensor side
max. 12V
Caution
Mains side
230 AC
Danger
Sensor side
max. 12V
Caution
Mains side
230 AC
Danger
Caution
Actuating direction of valve:
R1 on/valve on = direction
through the storage tank