Ariston CLAS EVO SYSTEM 24 CF - Air Purge Function; Self Adaptive Heating Restart Delay

Training manual CLAS X
Pag. 22 di 69
3.5 “AIR PURGE” Function
This function can be activated by the installer by the parameter 271 (premendo il tasto “Menù/OK”) or
pressing of the key Winter/Summer (mode) for 5 sec (continues till to the finish (about 6’) or pressing of
the key Winter/Summer).
Its aim is to help to purge the residual air inside the primary circuit after a filling cycle. At the activation
the following cycle is begun:
This cycle can be repeated several times, till the boiler and the heating system are completely purged
from air.
3.6 “SELF ADAPTIVE HEATING RESTART DELAY”
With the parameter 2 35 it is possible chose the heating restart delay type:
 0: manual;
 1: automatic.
MANUAL: with the parameter 2 36 it is possible set the heating restart delay between 0 and 7 min.
AUTOMATIC: the heating restart delay is calculated in base of the heating set-point temperature, see table
below:
Set-point
riscaldamento
< 50°C
51-60°C
61-70°C
71-80°C
> 80°C
Ritardo alla
riaccensione
(minuti)
5
4
3
2
1
3 way valve in heating
Pump on 60 sec.
Pump off 30 sec.
3 way valve in sanitary
Pump on 60 sec.
Pump on 60 sec.
3 way valve in heating
Pump on 60 sec.
Pump off 30 sec.
Pump on 60 sec.