Caution
The pressure limiter device (safety valve or safety
unit) must be regularly operated in order to remove
limescale deposits and ensure that it is not blocked.
A pressure limiter device must be fitted to a dis
charge pipe.
As water may flow out of the discharge pipe on the
pressure limiter device, the pipe must be kept open
to the air, in a frost-free environment, and at a con
tinuous downward gradient.
To ascertain the type, specifications and connection of
the pressure limiter device, refer to the chapter Con
necting the Domestic Hot Water Tank to the Drinking
Water Mains in the Installation and Service Manual.
Caution
A pressure reducer (not provided) is required when
the supply pressure exceeds 80% of the safety valve
or safety unit calibration and must be located up
stream of the appliance.
Caution
There must be no cut-off devices between the safety
valve or unit and the domestic hot water tank.
Electrical safety
Caution
A disconnection method must be allowed in the fixed
pipes in accordance with the rules on installation in
force in the country.
Caution
If a power cord comes with the appliance and it turns
out to be damaged, it must be replaced by the manu
facturer, its after sales service or persons with similar
qualifications in order to obviate any danger.
Caution
Install the appliance in accordance with national rules
on electrical installation.
Caution
If the appliance is not wired in the factory, carry out
the wiring according to the wiring schematics descri
bed in the chapter Electrical Connections in the appli
ance's instructions manual.
1 Safety
6
EL 110 SL
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