4
of 12
6c
7a
Actuator
Flowmeter
Terminal block
Plug 3+4
:
Return temperature
sensor connection
Earthing connection
housing
Plug 1+2:
Room temperature controller connection
230 V ~ 50 Hz
PE
N
L
Return temperature sensor
2-pin connector for
connecting protective earth
Caution:
Maximum length of removed
cable insulation 8 mm.
The plastic tab must be in place to provide insulati-
on between the terminals/wires and the mounting
screw.
6c
Eletcric Connection
Remove the splash guard for connecting terminal in
the box.
7a
Caution:
Disconnect electric circuit from supply.
Connecting according to wiring diagram.
For solid and flexible wires 1 - 2.5 mm
2
.
The return temperature sensor (plug 3 and 4 on the
regulation box) can be connected by using a 2-lead
cable suitable for 230 V up to 50 m. Avoid laying
sensor cable alongside power cables, for example
inside a conduit.
The protective earth is pre-wired on the housing and
can be connected to the terminal box using the
prepared 2-pin terminal connector.
Caution:
The sensor is at mains voltage.
Wiring Diagram
