Hydraulic Connection - ASBER EASY-500 Serie Manual De Instrucciones

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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 fH (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
PRES-
SURE
If the water pressure is higher than the recommended pressure, a pressure regulator must be
mounted at the main water output (see figure 4). If the mains water pressure is lower than the recom-
mended pressure, a pressure pump should be mounted at the mains water supply outlet (see figure
5).
Figure 4. Direct connection of water input hose.
S
Shut-off cock
F
Filter
H
Water hose
E
Electrovalve
B
Electric pressure pump
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
Kg/cm
2
200
2.03
5 - 10 fH (French degrees)
7 - 14 eH (English degrees)
9 - 18 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 C
2
PSI
BAR
29
3.5
Figure 5. Pressure pump connection
ENGLISH
Maximum
2
KPa
Kg/cm
PSI
350
3.56
50.76

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