Filter
Top Products
42
settings - adjustment - problem identi cation menus
menu
sub-menu
Parameter
Description value
default setting
2 4 BOILER PARAMETER PART 2
243Post-ventilation after heating request 0 = OFF
1 = ON
0
244Time delay after heating temperature
increase
from 0 to 60
(minutes)
16 Activated only with thermostat On/
O and heating control activated
(parameter 421 - 521 - 621 = 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.
245<Not Available>
246<Not Available>
247Device indicator for heating circuit pressure 0 = temperature sensor only
1 = pressure switch at minimum
2 = pressure sensor
1 RESERVED FOR TECHNICAL
ASSISTANCE
Only if the PCB is changed
248<Not Available>
249External temperatura correction from -3 to +3 (°C) 0 Only active with external sensor
connected
2 5 DOMESTIC HOT WATER PARAMETER
250COMFORT function
CLAS HE EVO
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
251Comfort Anti-cycling Time
CLAS HE EVO
from 0 to 120 (minutes) 0
252Hot water ow delay
CLAS HE EVO
from 5 to 200 (0.5 to 20 seconds) 5 Anti “water hammering”
253Extinction of the burner in D. H. W.
CLAS HE EVO
0 = anti-scale (stop at > 67°C)
1 = + 4°C /setting
0
254Post-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 .
255Domestic hot water timer from 0 to 30 (minutes) 0
257<Not Available>
258<Not Available>
2 6 BOILER MANUAL SETTINGS Only to test components
260Manual mode activation 0 = OFF
1 = ON
0
261Boiler pump control 0 = OFF
1 = ON
0 Set parameter 260=1
262Fan control 0 = OFF
1 = ON
0 Set parameter 260=1
2633 way valve control 0 = Sanitary
1 = Heating
0 Set parameter 260=1
264<Not Available>