30
In the event of temporary absenc-
es(weekends, short trips, etc.) set the
mode selector to
(off/reset). The
digital display shows “--”.
Set the system's main switch to "off"
Close the fuel and water taps of the
heating and domestic hot water sys-
tem.
In this case, the anti-freeze and
anti-blocking systems are deac-
tivated. Drain the heating and
domestic water system if there is
any risk of freezing.
The Riello Technical Assistance
Centre is at your disposal if you
have any problems carrying out
this procedure.
While the electrical supply and the fuel
supply remain active, the boiler is pro-
tected by the systems:
Antifreeze:
-
heating: the function is activat-
ed if the temperature measured
by the outlet probe drops below 6°
C. A heat request is generated in
this phase with the ignition of the
burner at minimum output, which
is maintained until the water tem-
perature reaches 35° C
- domestic hot water: the function is
activated if the temperature meas-
ured by the domestic water probe
drops below 4° C. A heat request is
generated in this phase with the
ignition of the burner at minimum
output, which is maintained until
the water temperature reaches 55° C.
During the anti-freeze phase the
flashing letters AF are shown on the
display.
Circulator antiblocking:
The circula-
tor activates every 24 hours of stop
for 30 seconds.
Temporary switch-off
Switching off for an extended
period of time
If the boiler is not used for a long time,
the following operations must be car-
ried out:
Set the mode selector to
(off/
reset)
Operation
Summary of Contents for Residence Condens i
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