NINFA N 24 MCA
36
EN
cod. 3540P001 - 10/2008 (Rev. 00)
System water pressure adjustment
The filling pressure with system cold, read on the boiler water gauge, must be approx. 1.0 bar. If the system pressure
falls to values below minimum, the boiler card will activate fault F37 (fig. 15).
fig. 15 - Low system pressure fault
Operate the filling cock (detail 1 - fig. 16) and bring the system pressure to a value above 1.0 bar.
fig. 16 - Filling cock
A
Once the system pressure is restored, the boiler will activate the 120-second air venting cycle indicated on the
display by FH.
At the end of the operation always close the filling cock (detail 1 - fig. 16)
Summary of Contents for NINFA N 24 MCA
Page 84: ...NINFA N 24 MCA 84 RU cod 3540P001 10 2008 Rev 00 1 3 5 120 FH 5 FH 6 1 5 6 1 6 5 7 B sez 2 3...
Page 88: ...NINFA N 24 MCA 88 RU cod 3540P001 10 2008 Rev 00 1 0 F37 15 15 1 16 1 0 16 A 120 FH 1 16...
Page 91: ...NINFA N 24 MCA 91 RU cod 3540P001 10 2008 Rev 00 B 230 25 18 2 6 0 5...
Page 96: ...NINFA N 24 MCA 96 RU cod 3540P001 10 2008 Rev 00 3 2 B sez 4 4 sez 1 3 CO 2 sez 4 4 3 3 1 A...
Page 97: ...NINFA N 24 MCA 97 RU cod 3540P001 10 2008 Rev 00 21 1 1 2 2 3 3 21 1 2 3 TEST 4 10 5 1 1 2 3...
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