Ariston G.C.N.:47-116-65 (24 kW) Installation And Servicing Instructions page 42

settings - adjustment - problem identifi cation menus
Description
2 4 BOILER PARAMETER - PART 2
2 4 3 Post-ventilation after heating request
2 4 4 Time delay after heating temperature
increase
This parameter allows the time delay to be set before automatic increase of the fl 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 Available>
2 4 6 <Not Available>
2 4 7 Device indicator for heating circuit pressure 0 = temperature sensor only
2 4 8 <Not Available>
2 4 9 External temperatura correction
2 5 DOMESTIC HOT WATER PARAMETER
2 5 0 COMFORT function
CLAS HE EVO
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 1 Comfort Anti-cycling Time
CLAS HE EVO
2 5 2 Hot water fl ow delay
CLAS HE EVO
2 5 3 Extinction of the burner in D. H. W.
CLAS HE EVO
2 5 4 Post-circulation and post-ventilation after a
domestic hot water draw-off
OFF = 3 minutes post-circulation and post-ventilation after domestic hot water draw-off
if the boiler temperature measured requires it.
ON = always on for 3 minutes post-circulation and post-ventilation after domestic hot
water draw-off .
2 5 5 Domestic hot water timer
2 5 7 <Not Available>
2 5 8 <Not Available>
2 6 BOILER MANUAL SETTINGS
2 6 0 Manual mode activation
2 6 1 Boiler pump control
2 6 2 Fan control
2 6 3 3 way valve control
2 6 4 <Not Available>
42
value
0 = OFF
1 = ON
from 0 to 60
(minutes)
1 = pressure switch at minimum
2 = pressure sensor
from -3 to +3 (°C)
0 = deactivated
1 = timed
2 = always on
from 0 to 120 (minutes)
from 5 to 200 (0.5 to 20 seconds)
0 = anti-scale (stop at > 67°C)
1 = + 4°C /setting
0 = OFF
1 = ON
from 0 to 30 (minutes)
0 = OFF
1 = ON
0 = OFF
1 = ON
0 = OFF
1 = ON
0 = Sanitary
1 = Heating
0
16 Activated only with thermostat On/
Off and heating control activated
(parameter 421 - 521 - 621 = 01)
1 RESERVED FOR TECHNICAL
ASSISTANCE
Only if the PCB is changed
0 Only active with external sensor
connected
0 Timer = activated for 30 minutes
after domestic hot water draw-off
0
5 Anti "water hammering"
0
0
0
Only to test components
0
0 Set parameter 260=1
0 Set parameter 260=1
0 Set parameter 260=1