Siemens SITRANS P500 Kompaktbetriebsanleitung Seite 22

WARNING
Hot mediums
In the case of hot mediums, the individual operational steps should be carried out one after the other. Otherwise, it could
lead to excessive heating, thus causing damage to the valves and the transmitter.
5.3.2 Commissioning in gaseous environments
Usual arrangement
① Pressure transmitter
②
Stabilizing valve
③ ④ Differential pressure valves
,
⑤
Differential pressure lines
Transmitter above the differential pressure
transducer
Condition
All shut-off valves are closed.
Procedure
To commission the transmitter for gases, proceed as follows:
1. Open both the shut-off valves
2. Open the stabilizing valve
20
Special arrangement
⑥
⑦
⑧
⑨
Transmitter below the
differential pressure transducer
⑥
at the pressure tapping point.
②
.
Shut-off valves
Drain valves
Condensate vessels (optional)
Differential pressure transducer
SITRANS P500 with HART
A5E02344532-03, 04/2013