Ariston GENUS PREMIUM EVO 24

Training manual ALTEAS & GENUS ONE
Page. 20 of 88 Version 2V2.
The burner output is modulated varying the
VENTILATOR rpm between the minimum to the
maximum speed.
The burner runs until the scale prevention
temperature is reached. The temperature is
checked by the sanitary probe NTC return.
Performed from the flow and return NTC. If the
temperature rise 102°C a lock out occurs,
indicated on the display with 1 01.
To reduce the formation of scale in the secondary
exchanger.
During the D.H.W. mode the switch off and switch
on of the burner depends on the following values of
temperature:
T set
Antilime
temp.
limit
RE-
START
NTC1
(delivery
probe)
No
influent
85°C
81°C
NTC2
(return
probe)
> 52°C
65°C
64°C
<52°C
62°C
61°C
NORMAL BOILER OPERATION
N.B.: The sanitary switch-off logic could be changed by the parameter 2 53:
– 0 : Anti-scale (62 or 65°C)  default
– 1 : Set-point + 4°C