9
• The appliance is designed for connection to the cold or hot water supply (max. 50 55°C)
at a mains pressure with the valve open as shown in Table 2-1 and a minimum output of
10 litres/min. If pressure exceeds the maximum, fit a pressure reducer. If pressure is
lower than the minimum, fit a pressure booster pump of max. 0.5 HP, with an output of
20 litres/min. and a head of 15÷20 metres. Pressure must be measured at the solenoid
valve inlet (see fig. 2-4). The water pipes must have an internal diameter of at least
16/18 mm (see fig. 2-5). Connect the appliance water supply pipe to a cut-out tap (B),
preferably placed close to the appliance, fitting the special filter provided (B1)
(see fig. 2-2). We recommend fitting a water softener (C) (not provided) upstream from
the machine solenoid valve (see fig.2-3).
Tab. 2-1
Temperature Pressure
max 50-55 °C 1.5 - 3 bar
Fig. 2-2
Fig. 2-3
INLET WATER PRESSURE
1.5 - 2 bar 2 - 2.5 bar 2.5 - 3 bar
minimum good very good
2.2 CONNECTION TO WATER SUPPLY
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