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6 - USE
6.1 - Important information
WARNING! We would remind you that the
assembly, adjustment and maintenance of the electrical
and hydraulic connections of your unit can only be
carried out by a professionally qualified engineer.
In the event of a breakdown or poor operation,
disconnect the unit and do not attempt any repair or
direct intervention. Contact a professionally qualified
engineer.
To ensure the efficiency of the unit and its correct
operation, periodic maintenance must be carried out be a
professionally qualified engineer.
The engineer will explain the operation and use of the
unit to the user.
The user must know how to fill and empty the system.
6.2 - Troubleshooting
Water leaks
Close the house’s main cold water cock;
Call a professionally qualified engineer.
6.3 - Operations prior to
commissioning the system
6.3.1 - Cock opening check
Any valves on the hot and cold water must be open.
6.4 - Control panel
The storage tank does not have a control panel, for any
adjustment follow the directions in the installation, use and
maintenance manual of the hot water heater/boiler it is used
with.
6.5 - Switch-on procedure
See the directions given in the installation, use and
maintenance manual of the hot water heater/boiler it is used
with.
6.6 - Switch-off procedure
If the storage tank is not to be used for a relatively short time
(a few weeks and when there is no risk of frost), just turn off
the hot water heater/boiler as described in its installation, use
and maintenance manual. If there is a risk of frost during the
time the storage tank is not being used, the system must be
emptied, proceeding as follows:
Follow the procedure to empty the domestic hot water
circuit described in section 7.1.2;
6.7 - Anti-frost precautions
WARNING! The anti-frost protection service
offered by the unit connected to the storage tank
cannot guarantee anti-frost protection to the storage
tank, central heating system, DHW system, or the
building served or parts of it.
If you are not using the storage tank for a long period (more
than a year), we recommend you empty it following the
procedure described in section 7.1.2.
6.8 - Anomalies during
operation
If no DHW is produced, check that:
The hot water heater/boiler is not paused;
WARNING! If after these checks the DHW is
still cold, do not try to solve the problem yourself, but
call a professionally qualified engineer.
6.9 - Anti-Legionella
For the preparation of DHW the storage tank must be
connected to a special device thanks to which a cycle of
disinfection against the Legionella bacterium is offered.
This cycle takes the storage tank up to a temperature of
60°C (temperature at which the Legionella bacterium dies)
after two hours of electric power supply and at least once a
week. For this reason the water (at some times) may reach
users at a higher temperature than that set with the relevant
command.
WARNING! For information relating to the anti-
Legionella disinfection cycle, read the instructions
given in the hot water heater manual.
WARNING! A domestic hot water temperature of
greater than 51°C can cause injury or damage, even of
a permanent nature, to people, animals and things.
In particular, children, the elderly and the disabled must
be protected against any possible risks of scalds, by
inserting devices that limit the temperature of use of
the DHW to users.
