WIKA NS 160 Betriebsanleitung Seite 25

6. Commissioning, operation
WARNING!
Physical injuries and damage to property and the
environment caused by the back blowing out in the
event of a failure
Due to the high energy in the back, if it is blown out in the
event of a failure, there is a risk of physical injuries or damage
to property through the ejected back and the media that
would then escape.
▶
It must be ensured that at no time can personnel or objects
be at the rear of the instrument.
6.3 Installation
Depending on the application, the instrument should be filled with the
„
medium before screwing in, in order to ensure it functions properly.
Nominal position per EN 837-1 / 9.6.7 figure 9: 90° (
„
wise specified in the order documentation.
„
Process connection lower mount or back mount
„
After installation, open the vent valve (if available) or set from CLOSE
to OPEN. The version of the vent valve depends on
the model and can deviate from the illustration!
„
For outdoor applications, the selected installation
location has to be suitable for the specified ingress protection, so
that the pressure gauge is not exposed to impermissible weather
conditions.
„
In order to avoid any additional heating, the instruments must not be
exposed to direct solar irradiation while in operation!
„
To ensure that the pressure can be safely vented in the case of
failure, instruments with blow-out device or blow-out back must keep
a minimum distance of 20 mm from each object.
WIKA operating instructions pressure gauge, model 2 per ATEX
⊥
), unless other-
25
EN