Magnesium Anodes; Emptying The Boiler; Troubleshooting - Ferroli AQUA1 PLUS 160 HT Installation Et Maintenance

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Installation and maintenance manual
6.2

Magnesium anodes

The
magnesium
anode
"sacrificial" anode, avoids any parasitic currents
that are generated inside the boiler that can
trigger corrosion processes on the device surface.
In fact, magnesium is a metal with a lower
electrochemical potential when compared to the
material that lines the inside of the boiler, therefore
it first attracts the negative charges that form with
the heating of the water and that cause it to
corrode. Therefore, the anode "sacrifices" itself by
corroding instead of the tank. The boiler has two
anodes, one that has been mounted in the lower
part and another in the upper part of the tank (the
area that is most subject to corrosion).
The integrity of the magnesium anodes must be
checked at least every two years (even better if
checked on an annual basis). The operation must
be carried out by qualified personnel.
Before performing the inspection, it is necessary to:
Close the cold water input supply;
Empty
the
water
paragraph 8.5);
Unscrew the upper anode and check its state
of corrosion, if more than 2/3 of the anode
surface is corroded then it is necessary to
replace it;
Carry out the same operation for the lower
anode.
The anodes have appropriate sealing gaskets, in
order
to
avoid
causing
recommended to use anaerobic sealant for
threads compatible for use on sanitary and
heating systems. The gaskets must be substituted
both in case of inspection as well as the
replacement of anodes with new gaskets.
6.3

Emptying the boiler

It is advisable to drain the water from inside the
boiler if the boiler is idle for a certain period of time,
especially in low temperatures.
As for the equipment in question, it is sufficient to
disconnect the water supply input connection (see
paragraph 4.4).
Alternatively, during the system installation stage, it
is advisable to install a drain tapwith a hose-
holding connection.
N.B.: It is important to empty the system
in case of low temperatures in order to
avoid the water freezing.
(Mg),
also
called
from
the
boiler
(see
water
leaks,
it
7

TROUBLESHOOTING

In case of problems of equipment performance,
without the occurrence of any of the alarms or
errors described in the relative paragraphs, it is
advisable to check to see if the problem can be
easily solved by checking the possible solutions
specified in the table below prior to seeking
technical assistance.
Problem
The heat pump does
not work
The compressor and/or
the fan do not work
The
heat
continuously
itself on and off
The heat pump remains
continuously
on and does not switch
off
The
electric
element
does
switch on
is
WARNING!
operator does not succeed in solving
the problem, switch off the equipment
and
specifying
purchased.
Possible causes
There is no electricity;
The plug is not correctly
inserted in the socket.
The set safety period of
time has not finished;
The
temperature has been
reached.
pump
Wrong programming of
switches
the
parameters/setpoint
and/or
values.
Wrong programming of
switched
the
parameters/set
point and/or hysteresis
values.
heating
Your intervention is not
not
required
In
the
event
seek
technical
the
device
scheduled
hysteresis
that
the
assistance
model
pag. 23 / 23

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Aqua1 plus 200 htAqua1 plus 260 ht

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