Installation
38
INSTALLATION, MAINTENANCE AND USER' MANUAL
549263_D_PUB_DATE_7_JUL_2014.DOC
Water connections
The appliance has been designed with a build-in “AB” airgap system according EN1717. Nevertheless,
when potable water will be connected to the appliance an approved double check valve or some other no
less effective device providing backflow prevention protection to at least fluid category three shall be fitted
at the point of connections between the water supply and the appliance.
All intake connections to the machine are to be fitted with manual shut-off valves and filters, to facilitate
installation and servicing.
Water pipes and hoses should be flushed clean before installation. After installation hoses should hang
in gentle arcs.
All connectors present on the machine must be connected up.
The table 23 shows the possible
connection options, which will depend on the water types to be connected to the machine. Check the
machine plates too.
All water connectors must be connected up,
otherwise the wash program will not function correctly.
Hoses are to be of an approved type and grade and comply with IEC 61770.
Machines shall be connected with new water hoses. Re-used water hoses must not be used.
The water pressure data: see - Technical data - Connections
WARNING!
IF THE WATER PRESSURE IS BELOW THE MIN. VALUE, THE WASH RESULT CAN NOT BE
GUARANTEED FOR CERTAIN PROGRAM.
Water type
Water connection
1
2
3
cold and hot
cold
-
hot
cold soft and cold hard
and hot
cold soft
cold hard
hot
Table 23
2 waters
3 waters
Figure 18
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