Manual PRO v.3
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In single-phase configuration, the three phase strips must be connected
together by means of a connection bar (see the following picture
marked with a red circle
):
Figura 3.1: Single-phase connection
-
Connect the earth cable to the corresponding strip.
-
Connect the flow switch to the position shown at 3.3 figure.
Connection to the three-phase line:
-
Ensure the line supply has all the protections and the correct cable size
according with the current consumption (see table on page 32)
-
Remove the upper cover of the unit to be able to see the terminal strips.
-
Connect the cables to the three-phase line (380V).
The three-phase
line has to have neutral and earth connection.
-
The connection will be done according with the labels on the strips. The
neutral cable will be connected to the blue strip, while the three phases
must be connected to the L1-L2-L3 inputs.
-
Check that the connection bar shown in the 3.2 figure is
removed
(see
the red circle).