NINFA 24 MCS
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
Two sampling points have been provided at the top of the boiler, one for fumes and the other for air.
A
AIR sampling point
B
FUME sampling point
To take samples:
1. Insert the probes up to the stop.
2. Open a hot water tap.
3. Adjust the domestic hot water temperature to maximum.
4. Wait 10-15 minutes for the boiler to stabilise.
5. Take the measurement.
Analyses made with an unstabilised boiler can cause measurement errors.
A
GB
A
fig. 26
A
B
fig. 27 - Combustion analysis
cod. 3540F611 - 05/2007 (Rev. 00)
B
A
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