12
Installation
D. - Terminal connection diagrams
Danger
Mains side
230VAC
Sensor side
max. 12V
Caution
Mains voltages 230VAC 50-60Hz
Connection in the right-hand terminal
compartment!
Terminal: Connection for:
L
Mains phase conductor L
N
Mains neutral conductor N
R
Relay (normally open)
N
Mains neutral conductor N
R
Relay (normally closed)
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
Circulation (opt.)
S2
Storage (opt.)
V1
0-10V/PWM signal primary pump
-
0-10V/PWM signal
The polarity of the sensors is freely selectable.
Relay connection changes depending on the additional functions selected.
VFS sensor has to be connected to the socket on the circuit board.
*Bridge of the sensor mass to PE protective conductor required (PELV connection).
Caution
* PELV connection
