SITRANS P300 (7MF8.23.. 7MF8.24.. 7MF8.25..)
A5E03434764-01, 08/2011
21
①
Pressure transmitter
⑤
Pressure line
②
Shut-off module
⑥
Shut-off valve
③
Shut-off valve to process
⑦
Shut-off valve (optional)
⑧
Condensate vessel (optional)
④
Shut-off valve for test connection or for bleed
screw
⑨
Drain valve
Condition
All valves are closed.
Procedure
To commission the transmitter for gases, proceed as follows:
1.
Open the shut-off valve for the test connection
④
.
2.
Via the test connection of the shut-off fitting
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
.
Maintenance and service
Basic safety instructions
WARNING
Impermissible repair of explosion protected devices
Danger of explosion in areas subject to explosion hazard.
● Repair must be carried out by Siemens authorized personnel only.
WARNING
Impermissible accessories and spare parts
Danger of explosion in areas subject to explosion hazard.
● Only use original accessories or original spare parts.
● Observe all relevant installation and safety instructions described in the instructions for the device or enclosed with the
accessory or spare part.
WARNING
Maintenance during continued operation in a hazardous area
There is a danger of explosion when carrying out repairs and maintenance on the device in a hazardous area.
● Isolate the device from power.
- or -
● Ensure that the atmosphere is explosion-free (hot work permit).
