ASBER EASY-H500 Manual De Instrucciones página 42

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5.1.4
Hydraulic connection.
The new hoses supplied with the appliance should be used (do not reuse old hoses). Before connect-
ing the machine to the water supply, the water quality should be tested. Please refer to table 5.
If the water hardness is more than 10 ⁰fH (French degrees), a descaler must be installed. In addition
to water quality, the pressure of the mains water supply at the installation must be considered. This is
important to ensure the machine operates correctly. (See table 6)
DYNAMIC
PRESSURE
If the water pressure is higher than the recommended pressure, a pressure regulator must be
mounted at the output (see figure 4). If the mains water pressure is lower than the recommended
pressure, a pressure pump should be mounted at the mains water supply outlet (see figure 5).
 
Figure 15. Direct connection of water input hose. 
S → Shut-off cock
F → Filter
H → Water hose
E → Electrovalve
B → Electric pressure pump
The following requirements are necessary for the correct hydraulic installation of the machine.
 
41
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Table 5. Recommended water quality: 
RECOMMENDED WATER QUALITY
Hardness
Conductivity
Water pH
Chloride concentration
Chlorine
Impurities
Water temperature
Table 6. Required water pressure 
Minimum
BAR
KPa
 
 
 
2
200
 
5 - 10⁰ fH (French degrees)
7 - 14⁰ eH (English degrees)
 
9 - 18⁰ dH (German degrees)
400 - 1000 µS/cm
6.5 – 7.5
< 150 mg/litre
0.2 – 0.5 mg/litre
< 0.08 mm
Max. 60 ⁰C
2
Kg/cm
PSI
BAR
2,03
29
3.5
Figure 16. Pressure pump connection 
 
ENGLISH
 
 
 
Maximum
 
2
KPa
Kg/cm
PSI
 
350
3.56
50.76
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