SITRANS P, DS III series (7MF4.33.. 7MF4.34.. 7MF4.35..)
26
A5E03434645-01, 08/2011
4.
If the start of scale value differs from the value desired, correct it.
5.
Close the shut-off valve for the test connection
④
.
6.
Open the shut-off valve
⑥
at the pressure tapping point.
7.
Open the shut-off valve for the process
③
.
Commissioning with steam or liquid
①
Pressure transmitter
②
Shut-off fitting
③
Shut-off valve to process
④
Shut-off valve for test connection or for bleed screw
⑤
Pressure line
⑥
Shut-off valve
⑦
Blow-out valve
⑧
Compensation vessel (steam only)
Figure 7
Measuring steam
Requirement
All valves are closed.
Procedure
To commission the transmitter for steam or liquid, proceed as follows:
1.
Open the shut-off valve for the test connection
④
.
2.
Via the test connection of the shut-off module
②
, apply the pressure corresponding to the start of scale value to the
pressure transmitter
①
.
3.
Check the start of scale value.
4.
If the start of scale value differs from the value desired, correct it.
5.
Close the shut-off valve for the test connection
④
.
6.
Open the shut-off valve
⑥
at the pressure tapping point.
7.
Open the shut-off valve for the process
③
.