60 Initial Operation
CFPP Process Analyzer CFPP-4.2 03/2016
8.5 Connecting the Analyzer to Instrument Air Supply
The analyzer requires instrument air for the analysis process and for the pressurized
enclosure of the control box and the measuring cell housing. To connect the analyzer to
the instrument air supply, proceed as follows:
• Make sure that the instrument air corresponds to the specifications (see technical
data).
• Open the shut-off valve of the instrument air line.
• Open the measuring unit enclosure.
Fig. 8.3: Open measuring unit enclosure
2 Pressure gauge for backflow
detection
3 Air service unit for injector and
4 Air service unit for pressurized
housings
5 Metering valve measuring cell
6 Vacuum pressure controller
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