Ferroli MACH Instrucciones De Uso página 307

MACH
System water pressure adjustment
The filling pressure with the system cold must be
approx. 1.0 bar. If the system pressure falls to values
below minimum, the boiler card will activate fault 37
and the number of the module (fig. 33).
Once the system pressure is restored, the
A
boiler will activate the 300-second air venting
cycle indicated on the display by FH.
EN
fig. 33- Module 1 insufficient system pressure fault
cod. 3541V120 - Rev 00 - 09/2021
Nr:37
Src:1
307