Ariston CLAS HE R 12 Installation And Servicing Instructions

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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 NOT PRESENT
2 4 6 NOT PRESENT
2 4 7 Device indicator for heating
circuit pressure
0 = temperature sensor only
1 = pressure switch at minimum
2 = pressure sensor
0 RESERVED FOR TECHNICAL
ASSISTANCE Only if the PCB is
changed
2 4 8 NOT PRESENT
2 5 DOMESTIC HOT WATER PARAMETER
2 5 0 NOT PRESENT
2 5 1 NOT PRESENT
2 5 2 NOT PRESENT
2 5 3 NOT PRESENT
2 5 4 NOT PRESENT
2 5 5 NOT PRESENT
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

Ariston CLAS HE R 12 Specifications

General

Brand	Ariston
Model	CLAS HE R 12
Category	Boiler
Language	English