Ariston microSYSTEM 21 RFFI Посібник користувача - Сторінка 14
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the correct level the boiler will ignite
automatically. If there are frequent drops in
pressure within the system, have a plumber
check the heating system for possible water
leaks.
T emporary shutdown due to
defective discharge of exhaust
fumes
The boiler is fitted with safety devices,
which in the event of a defective discharge
of exhaust fumes, automatically interrupts
the gas supply, thereby shutting off the
boiler.
The shut-off of the boiler is temporary for a
period of about 15 minutes.
Once this time period has passed and the
discharge state of exhaust fumes has
returned to normal, the boiler automatically
turns back on.
Important!
If this situation occurs frequently, contact an
Authorised Service Centre. so that they
may check that the exhaust fumes are
being expelled correctly and that the area
is ventilated properly.
Frost protection
The boiler is fitted with a thermostat which,
in the event that the water temperature
goes below 6° C, the burner turns on at
minimum power until the water in the boiler
has reached a temperature of about 20° C.
This device is only activated when the
boiler is operating perfectly and:
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