Technical information
35
settings - adjustment - problem identication menus
menu
sub-menu
parameter
description value
default setting
2 4 BOILER PARAMETER PART 2
2 4 0 NOT PRESENT
2 4 1 NOT PRESENT
2 4 2 NOT PRESENT
2 4 3 Post-ventilation after heating request 0 = OFF
1 = ON
0
2 4 4 Time delay after heating temperature increase from 0 to 60 minutes 16 activated only with thermostat On/O and
hea
ting control activated (parameter 421 or 521
= 01
This parameter allows the time delay to be set before automatic increase of the ow temperature calculated in increments of 4°C (max 12°C). If this
parameter retains the value 00, this function is not active.
2 4 5 NOT PRESENT
2 4 6 NOT PRESENT
2 4 7 Device indicator for heating circuit pressure 0 = temperature sensor only
1 = pressure switch at mini-
mum
2
= pressure sensor
1 RESERVED FOR TECHNICAL ASSISTANCE Only if the
PCB is changed
2 4 8 NOT PRESENT
2 5 D
OMESTIC HOT WATER PARAMETER
2 5 0 COMFORT function 0 = deactivated
1 = timed
2
= always on
0 Timer = activated for 30 minutes after domestic
hot water draw-o
The appliance allows the hot water heating comfort to be increased via the “COMFORT” function.
This function keeps the secondary exchanger temperature stable when the boiler is not in use. When the function is active,
the display shows COMFORT
Note: this function can be activated and deactivated by pressing the COMFORT button
2 5 2 Hot water ow delay from 5 to 200 (0.5 to 20
seconds)
5 Anti "water hammering"
2 5 3 Extinction of the burner in domestic hot water 0 = anti-scale (stop at > 67°C)
1 = + 4°C /setting
0
2 5 4 Post-circulation and post-ventilation after a
domestic hot water draw-o
0 = OFF
1 = ON
0
OFF = 3 minutes post-circulation and post-ventilation after
domestic hot water
draw-o
if the boiler temperature measured requires it.
ON =
always on
for 3 minutes post-circulation and post-ventilation after
domestic
hot water draw-o
.
2 5 5 Domestic hot water timer from 0 to 60 minutes 0
2 9 RESET MENU 2
2 9 0 Automatically resetting to the default setting in
menu
2
Reset
OK = yes
ESC = no
To reset all default parameter settings, press the
MENU button