AO2000 CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B 97
Fidas24: Connecting the gas lines
CAUTION
The relevant safety regulations for working with flammable gases must
be complied with.
The fittings of the gas paths in the gas analyzer may not be opened. The
gas paths can become leaky as a result.
However, if the fittings of the gas paths in the gas analyzer have been
opened (only by trained personnel), a seal integrity test with a leak de-
tector (thermal conductivity) must always be carried out after they have
been sealed again.
The seal integrity of the combustion gas supply line outside the gas ana-
lyzer must be checked regularly.
Combustion gas which escapes through leak points in the gas paths in
the instrument can cause fires and explosions, also outside the gas ana-
lyzer.
The lines and fittings must be clean and free of any residues (e.g. particles
left over from manufacturing). Contaminants can enter the analyzer and
damage it or lead to false measurement results!
NOTES
The installation of gas connections is described in section "Installing the gas
connections" (see page 78).
Follow the manufacturer's installation instructions for the fittings! In partic-
ular, hold the male fittings (gas connections) in place when connecting the
gas lines.
Follow the manufacturer’s instructions when laying and connecting the gas
lines.
If gas lines made of stainless steel are connected to the analyzer modules,
the lines must be connected to the building-side equipotential bonding.
Never connect more than three analyzer modules in series!
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