Chapter 4 - INSTALLATION AND TESTING INFORMATION
RC GROUP S.p.A I_TRP_0909_GB
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4.9 CLEANING AND FILLING THE HYDRAULIC CIRCUITS
Before starting the machine, wash the hydraulic circuits’ piping
thoroughly, so as to remove any residues and dirt.
For Domestic water plant realization please consult the current norms
relative to” Drinkable water supply and distribution”.
WARNING - CAUTION
It’s absolutely imperative that this operation is carried out, so as to
prevent any damage to the machine’s components.
After the wash, make sure that the hydraulic circuits are not leaking.
To do so, fill the circuits at a pressure higher than the atmospheric
pressure, making sure that there are no pressure drops over the time.
IMPORTANT
The piping thermal insulation must be carried out only after
making sure that there are no leaks.
Check that the gauze filter has been fit in the water supply line (see
diagrams § 4.6 - 4.7 – 4.8).
Fill hydraulic circuits with the type of liquid specified during the design
stage (pure water or mixtures of water and ethylene or propylene
glycol).
4.10 ELECTRICAL CONNECTION
DANGER – FOR YOUR SAFETY
The electrical connection must be designed and carried out only
by operators who have specific technical expertise or particular
skills in this sector. Before proceeding with it, these operators
must disconnect the electricity supply, making sure that nobody
connects it again.
Check that the mains voltage is included between +/-10% of the
nominal voltage of the machine.
The plant power factor (cosφ) must be compatible with the one
suggested by the principals constructors of electric motor for
compressors (included between 0,9 and 0,93). It is necessary to avoid
over compensations.
The electrical connection to the machine is shown, in general, in the
diagram. For further information, consult the chapter “Wiring diagram”.
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General