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page 39
1.5.1 Water supply characteristics
The machine water supply must be potable, in compliance with Directive 98/83/EC.
The inlet water must also meet the parameters given in the table 2.
1
Out of range values might lead to corrosion and jeopardize the life of the machine.
2
Should the water hardness is higher it is compulsory to install a water softner and check periodically its operation.
3
Out of range values might lead scaling and sediments with a consequent lower performance, functionality, and expected
life of the machine.
4
Desired value: Out of range values might lead stainless steel blackening/tarnishing.
5
For machines equipped with Heat Recovery System.
It is recommended a water test once a year.
1.6 Electrical connection
Only qualifi ed and properly trained personnel can operate on the electric board and connections.
Before the installation:
Make sure that the voltage is the same as reported on the data-plate.
Make
sure the line voltage matches the machine power and voltage indicated on the machine data-plate (as shown on par. 1.1).
Electrical connection must be carried out in compliance with the current local standards.
Use the data reported on the data-plate to check dimensions and electrical connections.
****The water supply temperature shall never exceed 150°F - 65°C.
Connect
the machine draining hose to the connection located low on the side (see pict. 3), making sure that the water fl ows
freely (giving, therefore, minimum slope).
Should not be possible to drain the water at a level lower than
the appliance outlet (see pict. 4), it's advisable to choose a
machine provided with a drain pump.
The drain tube shall always be connected to a siphon in order to prevent the release of odors.
Maximum drain height = 31 inches (0,80 mt - see pict. 4).
31 inches
pict. 4
pict. 3
Water parameters table Min Max
Chlorine
1
2mg/l
pH 6,5
1
8,5
3
Water hardness 8°f
2-3
Iron
3
0,2 mg/l
Manganese
4
0,05 mg/l
Conductivity
5
200μS/cm
Table 2
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