Ariston CLAS NET One Installation And Servicing Manual

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SETTINGS - ADJUSTMENT - PROBLEM IDENTIFICATION MENUS
menu sub-menu Parameter Description value default setting
2 4 BOILER PARAMETER - PART 2
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/Off 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.
2 4 5 Circulation pump MAX speed from 75 to 100
2 4 6 Circulation pump MIN speed from 40 to 100
2 4 7 Device 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
2 4 8 <Not Available>
2 4 9 External temperatura correction from -3 to +3 (°C) 0 Only active with external sensor
connected
2 5 DOMESTIC HOT WATER PARAMETER
2 5 0 COMFORT function
CLAS ONE - CLAS NET ONE
0 = deactivated
1 = timed
2 = always on
0 Timer = activated for 30 minutes
after domestic hot water draw-
off
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 ONE - CLAS NET ONE
from 0 to 120 (minutes) 0
2 5 2 Hot water ow delay
CLAS ONE - CLAS NET ONE
from 5 to 200 (0.5 to 20 secon-
ds)
5 Anti “water hammering”
2 5 3 Extinction of the burner in D. H. W.
CLAS ONE - CLAS NET ONE
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-off
0 = OFF
1 = ON
0
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 from 0 to 30 (minutes) 0
2 5 7 <Not Available>
2 5 8 <Not Available>
2 6 BOILER MANUAL SETTINGS Only to test components
2 6 0 Manual mode activation 0 = OFF
1 = ON
0
2 6 1 Boiler pump control 0 = OFF
1 = ON
0 Set parameter 260=1
2 6 2 Fan control 0 = OFF
1 = ON
0 Set parameter 260=1
2 6 3 3 way valve control 0 = Sanitary
1 = Heating
0 Set parameter 260=1
2 6 4 <Not Available>
2 7 TEST & UTILITIES
2 7 0 Test mode TEST+
= Max Heating power
TEST+ = Max DHW power
TEST+
= Minimum power.
activation can also be obtained
by pressing the Reset button
for 10 seconds. The function is
deactivated after 30 minutes or
by pressing Reset

Ariston CLAS NET One Specifications

General

Brand	Ariston
Model	CLAS NET One
Category	Boiler
Language	English