General Information On Commissioning; Checking For Leaks - Siemens 6 Series Compact Operating Instructions

WARNING
Commissioning and operation with pending error
If an error message appears, correct operation in the process is no longer guaranteed.
Check the gravity of the error.
•
Correct the error.
•
If the error still exists:
•
– Take the device out of operation.
– Prevent renewed commissioning.
NOTICE
Danger for persons and material
If sample gas occurs uncontrolled due to leakage, this may put personnel and material in the environment of the analyzer
at risk.
You should therefore always check the sample gas path for leaks before each commissioning.
•
Only commission analyzers with a perfect sample gas path.
•
5.2

General information on commissioning

Commissioning can only be performed properly when the person doing the commissioning is familiar with the contents of the
respective manuals and operating instructions. The safety and warning information included there must be observed in
particular.
5.3

Checking for leaks

Checking the sample gas path for leaks
Carry out a leak test prior to commissioning or following each maintenance measure which affects the sensor or the gas
path. This is carried out as follows:
1. Connect the sample gas outlet to a relative pressure manometer (e.g. U-tube manometer with measuring range 0 to
150 hPa, resolution 0.1 hPa).
2. Apply air to the sample gas inlet.
As soon as an overpressure of approx. 100 hPa has been reached (measure using manometer at sample gas outlet),
block the sample gas inlet.
3. Wait approx. one minute until the enclosed air has become adapted to its environmental conditions. Then record the
pressure.
4. Wait for a while and read the pressure once again. The gas path is sufficiently tight when the pressure drop does not
exceed a maximum value.
Different criteria are in effect for the parameters (wait time and pressure drop) listed in item 4 due to the different designs of
the analyzers. You can find the relevant values for each analyzer in the operating instructions of the respective unit.
Note
It must be guaranteed during this measurement that the temperature of the gas path and sensor remains constant.
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Compact Operating Instructions in accordance with EN 61010-1 and EN 60079-0
A5E45779144002-01, 09/2018