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This sensor is activated when connected independently
from the typology or availability of used thermostat,
the relation between output temperature and outside
temperature is defined according to curves given in the
graphic below based on position of button located on the
combi boiler panel.
After connecting the Outside Sensor, adjustment is made
according to average external weather temperature of
your province with P04 parameter. Our authorized service
will make this adjustment during installation.
(P21) Low temperature region selection.
This parameter should be adjusted as 1 for ground heating
or heating systems operating with low temperature. 0
(zero) value is selected for radiator systems to operate at
high temperatures as standard.
(P24) Child Protection
This parameter is not active as standard, please consult
our Authorized Service for activating the parameter
(Protection lock is activated when parameter is adjusted
as 1). Buttons are locked after 2 minutes following use of
buttons when the function is active. Keylock is opened
when the MODE button is hold until cycle is completed
for getting off the child protection. Your combi boiler is
under control against setting changes upon activation of
this feature.
(P40) CH ignition delay period.
Combi boiler is equipped with an electronic timer for
preventing frequent ignition. This period is adjusted as
2 minutes as standard and can be increased up to 10
minutes.
(P42) Ready Hot Water (Pre-Heating passive/
active).
In order to rapidly prepare DHW faster and reducing
the cold water consumption during waiting, grid water
is heated in the plate exchanger and ready hot water is
stored.
Activation of this function is performed with parametric
adjustment by our Authorized Service depending on your
request.
Air Deareation Function
The boiler has to be switched to OFF mode first. It is
possible to activate deaeration function pressing RESET
and ”-“ for circle time.
“Air” will be displayed on the screen. Boiler will
start the Deareation function.
During this function pump and 3-way valve are activated/
deactivated in order to have deaeration of the hydraulic
plant.
This function ends pushing again RESET and ”-“ for circle
time or at the end of deaeration time: 12 minutes.
Figure 49
Combi boiler controlled by Outside Sensor
Figure 50
Outside weather temperature sensor
operation curves
Figure 51
Ending the deairation function
Boiler Se
tpoin
t
°C
Outside Temperature
°C
3.4. CUSTOMIZING COMBI BOILER
FEATURES
As your combi boiler has an advanced electronic card,
operation conditions and certain parameters related with
your preferences may be changed by our Authorized
Service. Please consult our authorized service when any
changes requested in below given parameters.
(P07) Controlled Power Increase Period.
When combi boiler starts, it uses a controlled period
defined for reaching the adjusted maximum heating
power. This period is adjusted as 10 minutes as standard
and can be increased up to 10 minutes.
(P08) Radiator (Heating) Power.
The combi boiler automatically operates with variable gas
flow rates depending on heat load of installation between
the minimum and maximum power.
