Ariston CLAS HE SYSTEM 24 User Manual

37
settings - adjustment - problem identication 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
heating 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 Heat control with timer authorisation 0 = OFF
1 = ON
0 If active, deactivate the Auto function
If active, set parameter 246
2 4 6 Setting ow ∆T between day and night from 0 to 10 °C 0 Displayed only if heating control with timer
activated - parameter 246
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 DOMESTIC 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 AUTOMATICALLY RESETTING TO THE DEFAULT
SETTINGS IN MENU 2
Reset
OK = yes
ESC = no
To reset all default parameter settings, press the
MENU button

Ariston CLAS HE SYSTEM 24 Specifications

General

Brand	Ariston
Model	CLAS HE SYSTEM 24
Category	Boiler
Language	English