Manual PRO v.3
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4)
Carefully wash the header with tap water, and fill it again with new
electrolyte. In case of the header needs to be replaced, discard the used
an install a new one.
5)
Remove the silicone ring, uncovering the small hole.
6)
Completely screw the header, cleaning the excess of electrolyte, and
place again the silicone ring to its place.
7)
Install the probe with the probe holder. Calibrate it after 2-3 hours
working.
3.3- ELECTRICAL CONNECTION DIAGRAM
3.3.1- PRO250/500/750/1000 units
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All the PRO series units can be configured to work with single or three-
phase supply, depending on the installation needs.
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instalación.
Single-phase connection
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Ensure the line supply has all the protections and the correct cable size
according with the current consumption (see table on page 32)
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Remove the upper cover of the unit to be able to see the terminal strips.
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Connect the single-phase cables (230V) to the input strips. The neutral
must be connected to the blue strip while the phase must be connected
to one of the three strips marked as (L1-L2-L3).