Instructions for use and maintenance
This manual is owned by GEA Niro Soavi Any reproduction, even partial, is prohibited.
04C100-4C0
GEA Niro Soavi
73
4.5 Hookup and cabling
4.5.1 Hookup
The machine is normally connected to the product line with fittings of the type, size and position
specified on the drawing of the enclosed Technical Specifications Dossier.
There are also:
- water connection for lubrication of packings and cooling (max hardness 8 °dH / 15 °fH;
recommended chlorides < 25 mg/litre, max 200 mg/litre);
- water drain;
- compressed air connection (when needed);
- steam connection (when needed);
- condensate drain from lubrication circuit (inside the machine – lubrication circuit);
- cooling air outlet/grille.
For the needs of each machine, the type of connections and the characteristics of the mediums
please refer to the technical information sheet and the installation drawing in the enclosed Technical
Specifications Dossier.
As regards the service fittings, we recommend providing upstream solenoid valves for the user
machine (if not already provided on the machine itself) which open at startup.
In particular, the manual water circuit cocks must always be open, at a setting which provides
sufficient water flow for lubrication or condensation production (aseptic version).
Note that excessive lubrication water flow will flood the machine's water sump, which risks water
entering the transmission section and contaminating the lubrication oil; the condensation or water in
the lubrication circuit must therefore be drained regularly, as described in Chapter 7 “MAINTENANCE”.
CAUTION:
Comply with local legislation in relation to the treatment of waste and cooling water. The
waste water may contain traces of lubrication oil and product.
The cooling air is discharged through grilles located on the side of the machine.
CAUTION:
Do not install anything that can close the delivery pipe partly or wholly, as this can lead to
dangerous overpressure.
The machine is rated for outlet backpressures no greater than those given in Chapter 2 of this manual,
but since it is a volumetric pump, it can create hazardous overpressures due to backpressure in the
downstream lines when they are closed.
CAUTION:
For reasons of safety, it is ALWAYS best to install a safety valve downstream of the machine
to protect the line and user equipment. It is also essential that all downstream valves are of
the NORMALLY OPEN type, to prevent them closing when the machine stops unintentionally
or in case of power failure. The machine has a certain operational inertia, so that it continues
pumping even when the main motor has been shut down.
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