
Installation
VA 520 EN V1.21
page
10
o
45
6.3
Installation of VA 520
The sensor VA 520 is pre-supplied with the measuring section.
An installation at customer site is only allowed in the unpressurized state of the
system
The connecting nut is tightened to a torque of 25 -30 Nm.
Tightness of the connection must be checked and ensured.
6.4
Displayhead Position
Fastening screws
The Position of the Displayhead is twistable by 180 e.g. in
case of reverse flow direction.
For this purpose the 6 fastening screws are to be released
and the displayhead rotated 180°.
Caution:
It must be ensured that the connection plugs are still plugged
and the gasket is installed correctly.