10 Operation
10.3 During operation
Observe the permissible operational limits of the pump station and the pumps when setting the
supplied mass flow and its temperature,
Ä
Technical data, Page 9 and associated operating in-
structions of the pumps.
10.3 During operation
10.3.1
Checking the operating pressure
Personnel qualification:
o
Trained personnel
bar
bar
Fig. 17: Manometerabsperrventil geschlossen/offen - Prinzipbild
ATTENTION
Leak in the pressure gauge through permanently opened pressure gauge shut-off valve.
► Close the pressure gauge shut-off valve immediately after completing reading.
1.
Open the pressure gauge shut-off valve.
2.
Read the operating pressure and close the pressure gauge shut-off valve.
10.3.2
Setting the pressure maintaining valve (optional)
Personnel qualification:
o
Trained personnel
Aids:
o
Hexagon key
1
Fig. 18: Einstellung Druckhalteventil intern
1
Fig. 19: Einstellung Druckhalteventil extern
1.
Remove the screw plug of the pressure maintaining valve.
2.
Use the Allen key
1
to change the set pressure.
Turning clockwise: Increase the set pressure
Turning counter-clockwise: Decrease the set pressure
3.
Tighten the screw plug of the pressure maintaining valve again.
4.
Monitor the set pressure of the installed pressure gauge.
34
OID 02en-GB Edition 2019-11
Operating instructions
