UK
47
OPERATION WITH DIFFERENT TYPES OF GAS
M
MAINTENANCE
M
CONVERSION FROM NATURAL GAS TO B/P
A specific burner is not previewed. Should you wish to adapt a natural gas burner for combu-
stion of other gases observe the following instructions.
GAS DELIVERY
As far as the gas delivery is concerned, considering that in general it is not possible to carry
out a direct check up (meter) it is possible to proceed empirically using the values of the boi-
ler fume temperature.
PRESSURE CURVES - B/P GAS DELIVERY
Pressure loss (mbar)
Thermal output
Skilled staff has to perform yearly the following ope-
rations:
- Check the valve inside tightness.
- Filter cleaning.
- Fan and head cleaning.
- Check the position of the ignition electrode tips as
well as the control electrode.
- Calibrate the air and gas pressure switches.
- Check the combustion by means of CO
2
-CO-FU-
MES TEMPERATURE bearings.
- Check all the gaskets and seal tight-
ness.
To gain access to the main components,
remove the cover.
Legend
Pi
Inlet pressure
(combustion head + gas train)
Pt
Pressure at combustion head
Summary of Contents for EM 35-E
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