Diagram 5
• All maintenance operation must
be carried out by a qualified per-
sonnel.
• Before contacting the customer
Service, make sure the suspec-
ted failure is not caused by a
temporary lack of water.
MAINTENANCE
06
• To discharge the water com-
pletely from the tank, remove
the safety valve from the water
heater. Before removing the val-
ve, the power of the heater need
to be switched off for the tank
to cool down (outlet connection
must also be disconnected)