NINFA N LOW NOX 24 MCS
78
EN
cod. 3540R880 - 01/2009 (Rev. 00)
Opening the casing
To open the boiler casing (fig. 23):
1. Undo the screws
(1)
2. Open, turning the casing
(2)
3. Lift and remove the casing
(3)
fig. 23 - Opening the casing
Combustion analysis
Two sampling points have been provided at the top of the boiler, one for fumes and the other for air.
fig. 24 - Combustion analysis
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.
A
Analyses made with an unstabilised boiler can cause measurement errors.
1
1
2
3
A
B
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