NINFA 24 MCS
49
GB
cod. 3540F611 - 05/2007 (Rev. 00)
Burner pressure adjustment
Since this unit has flame modulation, there are two fixed pressure values: the 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.
•
Disconnect the pressure compensation tube “H”.
•
Remove the protection cap “D”.
•
Operate the boiler in TEST mode, turning the selector to TEST.
•
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.
•
Refit the faston connector removed from the modureg on the gas valve.
•
Make sure the maximum pressure has not changed.
•
Reconnect the pressure compensation tube “H”.
•
Refit the protection cap “D”.
•
To end TEST mode, turn the selector to a different position from TEST or wait 15 minutes.
A
After checking or adjusting the pressure, make sure to seal the adjustment screw with paint or a spe-
cific seal.
fig. 25 - Gas valve
B
Pressure point downstream
E
Minimum pressure adjustment
H
Compensation tube
C
Modureg cable
G
Maximum pressure adjustment
D
Safety cap
Heating power adjustment
Refer to the Service Menu section.
Lighting power adjustment
Refer to the Service Menu section.
Summary of Contents for NINFA 24 MCS
Page 155: ...NINFA 24 MCS 155 EL cod 3540F611 05 2007 Rev 00 5 1 9 1 2 6 1 9 1 3 Comfort Comfort 6 1 9 1 4...
Page 157: ...NINFA 24 MCS 157 EL cod 3540F611 05 2007 Rev 00 3 1 8 1 4 3 1 9 3 1 1 1 30 C 85 C 45 C 10...
Page 172: ...NINFA 24 MCS 172 EL cod 3540F611 05 2007 Rev 00 3 2 B sez 4 4 sez 1 3 sez 4 4 3 3 1 bar A...
Page 175: ...NINFA 24 MCS 175 EL cod 3540F611 05 2007 Rev 00 F37 F39 A41 F42 F43 H2O F50...
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