Opening the casing
To open the boiler casing:
1 Unscrew the four screws A
2 Lower the inspection door
3 Raise and remove the casing 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 included at the top
of the boiler, one for fumes and the other for air.
To take the samples:
1) Insert the probes as far as the stop;
2) Open a hot water tap;
3) Adjust the hot water temperature to maximum.
4) Wait 10-15 minutes for the boiler to stabilize*
5) Take the measurement.
Analyses made with an unstabilized boiler can
cause measurement errors.
34
A
Fig. 4
Air
Cod. 3540D961 - 06/2007 (Rev. 00)
CIPREA 20 S
B
A
Fumes
Fig. 5