Adjustments - Ferroli OPERA 70 Instructions For Use, Installation And Maintenance

Boiler shutdown
From the main screen/Home, press the contextual bu-
tton and confirm with the button
When the boiler is turned off, the PCB is still powered.
Domestic hot water (with optional hot water tank insta-
lled) and heating operation are disabled. The frost pro-
tection system remains on.
To relight the boiler, press the contextual button again
.
The boiler will be immediately ready to operate whe-
never domestic hot water is drawn (with optional hot
water tank installed) or in case of a room thermostat
request.
To completely disconnect the unit from the power su-
pply, press the button detail 14 fig. 1.
B
The frost protection system does not work when the power and/or gas to the unit
are turned off. To avoid damage caused by freezing during long shutdowns in win-
ter, it is advisable to drain all water from the boiler, the DHW circuit and the heating
system water; or drain just the DHW circuit and add a suitable antifreeze to the
heating system, as prescribed in sec. 2.3.

1.4 Adjustments

Summer/Winter Switchover
Press the button
The display activates the Summer symbol. The hea-
ting function is deactivated while possible DHW pro-
duction remains active (with optional external hot
water tank). The frost protection system remains on.
To deactivate Summer mode, press the button
(detail 9 - fig. 1) again for 1 second.
Heating temperature adjustment
Access the "Adjustment Temp" menu to vary the
temperature from a minimum of Tmin to a maximum
of TMax. Confirm with the OK button.
B
The boiler comes with the time
program not activated. Therefore,
if requested, this is the setpoint
value.
142
.
fig. 11- Turning the boiler off
(detail 9 - fig. 1) for 1 second.
fig. 12- Summer
cod. 3541R964 - Rev. 00 - 10/2021
Thursday 9 Jan. 2014 00:15:60
Thursday 9 Jan. 2014 11:33:03
CH setpoint
80
to confirm
fig. 13
OPERA
23°C 32°C
EN