Opening the casing
To open the boiler casing:
1
Undo the four screws A
2
Lower the door
3
Lift and remove the casing B
B
Before carrying out any operation inside the boiler, disconnect the electrical power supply and close the gas
cock upstream.
Combustion analysis
To analyse the combustion:
1
Insert the probe in the flue;
2
Open a hot water tap;
3
Adjust the DHW temperature to maximum;
4
Wait 10-15 minutes for the boiler to stabilise;
5
Take the measurement.
A
Analyses made with an unstabilised boiler can cause measurement errors.
46
A
fig. 23
cod. 3540G380 - 02/2007 (Rev. 00)
NINFA 32 MC
B
A
GB