B - Heating temperature regulator
Press and hold the yellow button B and increase or decrease
the value by pressing + (PLUS) or - (MINUS).
The value is displayed on the display
Heating Set Point
FROM
30 °C
85 °C
C- Domestic Hot Water regulator (*)
Press and hold the yellow button C and increase or decrease
the value by pressing + (PLUS) or - (MINUS).
The value is displayed on the display
(*) Only for type C boilers or with ACS kit, or connected to an
external tank.
DHW Set Point
FROM
35 °C
60 °C
O - Power On indicator led
This symbol indicates the boiler is
switched ON
L - Burner On indicator led
This symbol indicates that the burner
is in operation.
The ignition of the symbol occurs
when the boiler receives a request of
CH heating or production of DHW (*).
F - Central heating mode indicator led
This symbol illuminates when a CH
request comes in to the boiler heating.
TO
DEFAULT
...°C
TO
DEFAULT
...°C
G - Domestic Hot Water mode indicator led
This symbol illuminates when a DHW
Domestic Hot Water request, comes
in to the boiler (*)
I - Lock-out indicator led
When led is illuminated it indicates
that the burner's safety
has shut-down the boiler, due to the
following causes:
- presence of air in the piping (if it is a
new system or after a long inactivity
of the boiler)
- no gas supplyIf this is the case, and
the burner fails to light, it will be ne-
cessary to check that the gas supply
cock is in the On position.
M - Fault indicator led
When the led is illuminated on the di-
splay it indicates that the boiler has
detected a failure in normal boiler
operation or is in lock-out due to a
permanent failure.
The code which
can be viewed in place of the centi-
grade temperature scale by pressing
the LIGHT BLUE (D)
D - Reset key/fault code display
By pressing the following button, you can:
1 - it will reset correct boiler operation after the
has shutdown the boiler (red "I" led indicator illuminated).
2 - display the error code if the operation of the boiler is
blocked due to a permanent fault that caused the ignition
of the symbol'' M''.
device
the cause
device
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