Vega VEGADIF 65, Руководство по эксплуатации

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A B
+
1 5
6 7
+ –
2 4
3
II
I
III III
F ig .
46
: P referred measurement setup for liquids
I VEGADIF
65
II T hree - fold valve block
III P recipitator
1
.
5
D rain valves
2
.
4
I nlet valves
3
B reather valve
6
.
7
V
ent valves on
VEGADIF
65
A , B B locking valves
P roceed as follows :
1
C lose valve
3
2
F
ill measuring system with medium
.
O pen valves A , B ,
2
,
4
: M edium fl ows in
I f necessary , clean the di ff erential pressure lines : - with gases by
blowing out with compressed air - with liquids by rinsing . 3
)
F or this purpose close valve
2
and
4
, i . e . block the instrument .
T
hen open valve
1
and
5
so that the e ff ective pressure lines blow
out / rinse .
A fter cleaning , close valves
1
and
5
3
R emove air from instrument :
O pen valves
2
and
4
: M edium fl ows in
C lose valve
4
: M inus side will be closed
O pen valve
3
: E qualisation plus and minus side
B rie fl y open valve
6
and
7
, then close again : F ill the measuring
instrument completely with the medium and remove air
3
) A rrangement with
5
valves .
M easurement setup for
liquids
P repare the adjustment
64
VEGADIF
65
• F oundation F ieldbus
8
S etup
36130
-
EN
-
110510