10
R2K 34 RAIN - RAD - ING - Man.Ut. - 1901.1_firm.L224C_AHS
3 Ac
censione_Modalità
di funzionamento_Antigel
o_MIAH4_MIAH6_EN
3. USE
USER
1.1.5. START-UP
Before starting the boiler make sure that it is
powered and that the gas tap below the boiler is
open.
To start the boiler press the function key ‘
’ and
select the desired operating mode. If the symbol
is displayed fixed, it means that the function was
activated.
1.1.6. OPERATING MODE
SUMMER MODE
In this mode the boiler meets only the demands of
domestic hot water.
To switch the boiler to SUMMER operating mode,
press the function key ‘
’, the symbol ‘
’
will appear fixed on the display, indicating that the
function is enabled.
Whenever hot domestic water is needed the
automatic start-up system will start the burner;
this is indicated by displaying the symbol ‘
’
blinking.
ONLY HEATING MODE
In this mode the boiler meets only the demands of
heating.
To switch the boiler to ONLY HEATING operating
mode, press the function key ‘
’, the symbol ‘
’ will appear fixed on the display, indicating that
the function is enabled.
Whenever heating energy is needed to heat the
rooms the automatic start-up system will start the
burner; this is indicated by displaying the symbol ‘
’ blinking.
WINTER MODE
In this mode the boiler meets the demands of
heating and of domestic hot water.
To switch the boiler to WINTER operating mode,
press the function key ‘
’, the symbols ‘
and
’ will appear fixed on the display, indicating
that the function is enabled.
Whenever heating energy and domestic hot water
are needed the automatic start-up system will
start the burner; this is indicated by displaying the
symbol ‘
and
’ blinking.
ADJUSTING THE HEATING TEMPERATURE
You can adjust the temperature using keys ‘
’ and
‘
’ of the heating circuit
:
· press key ‘
’ to decrease the temperature.
· press key ‘
’ to increase the temperature.
The heating temperature adjustment field ranges
from 30 °C to 80 °C (25 °C – 45 °C for floor systems).
DOMESTIC HOT WATER TEMPERATURE
ADJUSTMENT
You can adjust the temperature using keys ‘
’ and
‘
’ of the domestic circuit
:
· press key ‘
’ to decrease the temperature.
· press key ‘
’ to increase the temperature.
The hot domestic water temperature adjustment
field ranges from 35 °C to 60 °C.
OFF MODE
In this mode the boiler no longer meets the heating
and domestic hot water demands, the anti-freeze,
