NINFA N 24 MCA
41
EN
cod. 3540P001 - 10/2008 (Rev. 00)
Burner pressure adjustment
Since this unit has flame modulation, there are two fixed pressure settings: minimum and maximum, which must be
those given in the technical data table according to the type of gas.
•
Connect a suitable pressure gauge to the pressure point “B” located downstream of the gas valve.
•
Remove the protection cap “D”.
•
Operate the boiler in TEST mode by pressing the heating buttons (details 3 and 4 - fig. 1) at the same time for 5
seconds.
•
Set the heating power to 100.
•
Adjust the maximum pressure with the screw "G", turning it clockwise to increase and anticlockwise to decrease the
pressure.
•
Disconnect one of the two faston connectors from the modureg "C" on the gas valve.
•
Adjust the minimum pressure with the screw "E", turning it clockwise to decrease and anticlockwise to increase the
pressure.
•
Reconnect the faston connector disconnected from the modureg on the gas valve.
•
Check that the maximum pressure has not changed.
•
Refit the protection cap “D”.
•
To end TEST mode, repeat the activation sequence or wait 15 minutes.
A
After checking or adjusting the pressure, seal the adjustment screw with paint or a specific seal.
fig. 20 - Gas valve
B
Pressure point downstream
E
Minimum pressure adjustment
C
Modureg cable
G
Maximum pressure adjustment
D
Protection cap
Heating power adjustment
To adjust the heating power, switch the boiler to TEST mode (see sec. 3.1). Press the heating buttons fig. 1 (details 3
and 4 - ) to increase or decrease the power (min. = 00 - max. = 100). Press the RESET button within 5 seconds and the
max. power will remain that just set. Exit TEST mode (see sec. 3.1).
Lighting power adjustment
To adjust the lighting power, switch the boiler to TEST mode (see sec. 3.1). Press the DHW buttons (details 1 and 2 -
fig. 1) to increase or decrease the power (min. = 00 - max. = 60). Press the RESET button within 5 seconds and the
lighting power will remain that just set. Exit TEST mode (see sec. 3.1).
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...
Page 106: ......
Page 107: ......
