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2.3 Earthing
The dishwasher must be connected to the earthing system of the building or to another tested and
approved system in compliance with the safety regulations.
ATTENTION!
It must however be understood that an efficient earthing system is not enough on its own to
ensure safe conditions. It will therefore be necessary to install suitable safety devices capable
of interrupting the mains power supply with intervention times in compliance with the IEC 64-8
Regulations or with the other equivalent European Standard referring to electrical systems in
public buildings.
2.4 Water supply
Connect the load pipe supplied with the dishwasher to a ¾" water intake, using it to replace any
existing pipes.
The highest water supply temperature is 55°C.
The water supply pressure must respect the limits indicated in the technical data (200/350kPa).
Further indications:
• It is advisable to use the pressure regulators if hydraulic supply takes place through autoclave
at a pressure greater than that of normal operation of the water mains.
• If the water pressure available is less than 1.5 bar, to ensure rinsing it is necessary to install an
external pump to increase pressure.
• If the water has a hardness above 14°f, a water softener should be used to prevent external
lime deposits and unsatisfactory washing results.
• If water hardness is higher than 14°f, limestone forms.
If water hardness is lower than 8°f, the dishes will not be rinsed properly.
The connection to the water supply is to be carried out by means of a normal screw-on attachment
to a water valve fitted with a handle or hand wheel (fig. 8).
It is advisable to place a suitable gasket in the connection between the supply hose and the tap
(fig. 8).
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