13
2 SHUTDOWN
2.1
Temporary shutdown
If the user wishes to interrupt boiler operation temporarily:
– turn the
encoder to select the
“Mode”
(Mode) function
– press the
click
encoder to go to the screen to select the
“
Function mode”
. Turn the
encoder to select
“OFF”
– press the
click
encoder to switch the boiler off.
Summer
Winter
Off
DHW
MAN
40
°C
Heating
AUTO
20
°C
Holiday function
OFF
Esc
Fig. 25
f
ELECTRICAL HAZARD
The boiler will still be powered.
If the user is away temporarily, for a weekend, short trip etc and
if the outside temperature is at ZERO:
– set the main system switch to "OFF"
– close the gas valve.
OFF
Fig. 26
2.2
Shutting down for long periods
If the boiler is to be left unused for a long period, the following
operations need to be carried out:
– switch off the boiler as specified in the “
– set the main system switch to "OFF"
OFF
Fig. 27
– close the gas valve
– close the heating and domestic hot water isolation valves
– drain the heating and domestic hot water system if there is
the risk of freezing.
m
CAUTION
Contact the Qualified Technical Personnel if the pro-
cedure described above cannot be easily carried out.