Ariston CLAS HE EVO Посібник користувача - Сторінка 8
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user's manual
Appliance shut-off conditions
The boiler is protected from malfunctions by means of internal
checks performed by the electronic P.C.B., which stops the boiler
from operating if necessary. In the event of the boiler being shut off
in this manner, a code appears on the control panel display which
refers to the type of shut-off and the reason behind it.
Two types of shut-off may occur:
Safety shut-off
This type of error is "volatile", which
means that the boiler starts up
again automatically as soon as the
problem which caused the shut-off
is removed.
The display will fl ash "Err" and the
error code.
In fact, as soon as the cause of the
shut-off disappears, the boiler starts
up again and continues to operate normally.
While the boiler is shut off for safety reasons, it is possible to
attempt to restore normal operation by switching the appliance off
and on again using the ON/OFF button on the control panel.
If the boiler still indicates a safety shut-off , switch it off . Make sure
the external electric switch is in the OFF position, close the gas tap
and contact a qualifi ed technician.
Safety shut-off due to insuffi cient water pressure
If the water pressure inside the
heating circuit is insuffi cient, the
boiler will perform a safety shut-off .
(See table).
To re-pressurise the boiler, it will
be necessary to connect the silver
fl exible hose supplied to the two
isolating points underneath the
boiler, once the hose is connected,
open up both of the black quarter
(see p.5) turn handles, once the pressure reads 1.5 bar on the
display, close both handles and disconnect the hose .
If the pressure drops very frequently, there may be a water leak
at some point in the system. If this is the case please contact your
installer and ask them to check it.
Operation shutdown
This type of error is "non volatile", which means that it is not
removed automatically. The display will fl ash Err and the error
code.
In this case the boiler does not restart automatically, but it may
be reset by pressing the
itself again after several attempts to reset the appliance, contact a
qualifi ed technician.
IMPORTANT
IF THIS SHUTDOWN OCCURS FREQUENTLY, CONTACT AN
AUTHORISED SERVICE CENTRE FOR ASSISTANCE. FOR SAFETY
REASONS, THE BOILER WILL ALLOW A MAXIMUM OF 5 RESET
OPERATIONS TO TAKE PLACE IN 15 MINUTES (INDIVIDUAL
PRESSES OF THE
BUTTON).
8
button. If the problem manifests
Operation shutdown error table
Display
Description
1 01
Overheating
5 01
No fl ame detection
1 03
1 04
1 05
Insuffi cient circulation
1 06
1 07
1 08
Insuffi cient water (request fi lling)
3 05
P.C.B error
3 06
P.C.B error
3 07
P.C.B error
Anti-frost Device.
The anti-frost function acts on the central heating fl ow temperature
probe, independently from other settings, when the electrical
supply is turned on.
If the primary circuit temperature falls below 8°C the pump will run
for 2 minutes.
After the two minutes of circulation (fi xed) the boiler will check the
following:
a) if the central heating fl ow temperature is > 8°C, the pump stops;
b) if the central heating fl ow temperature is between 4 and 8°C,
the pump will run for another two minutes;
c) if the central heating fl ow temperature is < 4°C, the burner will
fi re (heating position) at minimum power until the temperature
reaches 33°C, the burner will go off and the pump will continue
to run for two minutes.
The anti-frost device activates only when (with the boiler operating
correctly):
- the system pressure is correct,
- the boiler is electrically powered,
- there is a supply of gas.
Change of gas type
Our boilers are designed to function either with Natural Gas
(methane) or L.P.G. gas. If you need to change from one gas to the
other, one of our Authorised Service Centres must be contacted to
convert the appliance.
Maintenance
Schedule an annual maintenance check-up for the boiler with a
competent person.
Correct maintenance always results in savings in the cost of
running the system.
Failure to arrange an annual service for the appliance will invalidate
the second year and subsequent years of the manufacturers
guarantee.