6
Make sure that the selector is
positioned on ( )
Position the domestic hot water
temperature knob on the de-
sired temperature.
- completely to the left = 35°C
- completely to the right = 57°C
By adjusting the temperature of the domestic hot
water at a temperature very close to that actually
used,you will avoid mixing hotwater with cold
water,withmanagementsavingsandsignicantly
reducing the formation of limescale.
By opening a hot water tap, the
appliance is automatically activat-
ed and delivers water at the set
temperature.
Duringthesamplingstage,thedis-
play shows the temperature of the
domestic hot water and the symbol
(
) stays lit up.
Antifreeze protection
The boiler is equipped with an antifreeze protection system.
To activate the antifreeze function, position the
The antifreeze protection inter-
venes only if the boiler is powered
electrically and if the gas valve is
open.
If for some reason there is a power
or gas failure, the antifreeze protec-
tion described above is not active.
discharge
For operation in heating mode the
knob must be positioned in the
eldshowninthegure,
- In correspondence of MIN
the temperature is minimum = 45°C.
- completely to the right = 78°C
If the heating system is equipped
with a modulating room thermostat
(TA mod), put the knob in cen-
tral position.
Duringtheheatingstage,thedis-
play shows the water temperature
and the symbol (
) stays lit up
Complete decommissioning
To decommission the system,
disconnect the boiler from the
power supply by acting on the main
switch.
In the event of complete decom-
missioning, the heating and hot
water production modes as well
as the antifreeze protection are
completely disabled.
If idle for long periods, close the
gas shut-off valve and cold water
cock, if present
.
MAX
M
I
N
MAX
M
I
N
MAX
M
I
N
MAX
MIN
MAX
MIN
MAX
M
I
N
MAX
M
I
N
TA
mod.
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