Vega VEGADIF 65 Operating Instructions Manual page 68

8 Setup
Measurement setup for
closed vessels with
steam overlay
Prepare the adjustment
68
+
III
Fig. 49: Preferred measurement setup for closed vessels with steam overlay
VEGADIF 65
I
II Three-fold valve block
III Precipitator
IV Condensate vessel
1, 5 Drain valves
2, 4 Inlet valves
3
Breather valve
6, 7 Vent valves on VEGADIF 65
A, B Blocking valves
Proceed as follows:
1
Fill the vessel to just above the lower tap
2
Fill measuring system with medium
Open valve A and B: Open block valves
Fill the minus effective pressure line on the height of the
condensation pot
3
Remove air from instrument:
Open valve 2 and 4: Discharge medium
Open valve 3: Equalisation plus and minus side
Briefly open valve 6 and 7, then close again: Fill the measuring
instrument completely with the medium and remove air
4
Put measurement loop into operation:
Close valve 3: Separate plus and minus side
Open valve 4: Connect minus side
A
6 7
I
+
–
II
3
2 4
1
VEGADIF 65 • Foundation Fieldbus
IV
B
III
5