VEGA VEGABAR 53 4 … 20 mA_HART - Manual (Page 14)

14
4 Mounting
VEGABAR 53 • 4 … 20 mA/HART
36722-EN-130321
Instruments in the version "Oil and grease free for oxygen" should
be unpacked just before mounting. After the protective cover of the
process fitting has been removed, the label "O
2
" on the process fitting
is visible.
Danger:
Avoid oil, grease or contamination. Explosion danger!
4.2 Instructions for installation
Please check the diaphragm visually for damage and leaking fluid
before mounting and setting up the instrument. Make sure that the
diaphragm doesn't get damaged during installation.
Caution:
The instrument may only be used if it is in a technically flawless condi-
tion and has an undamaged diaphragm.
VEGABAR 53 functions in any installation position. It is mounted ac-
cording to the same directives as a manometer (DIN EN 839-2).
Information:
We recommend using lock fittings, measuring instrument holders and
siphons from our line of accessories.
4.3 Mounting steps
For mounting VEGABAR 53, a welded socket is required. You can find
these components in the supplementary instructions manual "Welded
socket and seals".
Use the seal corresponding to the instrument:
•
Process fitting GV, GF, GC: seal in front of the thread
- or -
Seal the thread with resistant seal material:
•
Process fitting GN
→
Screw VEGABAR 53 into the welded socket. Tighten the hexagon
on the process fitting with a suitable wrench. Wrench size, see
chapter "Dimensions".
Warning:
The housing must not be used to screw the instrument in! Applying
tightening force can damage internal parts of the housing.
Use the seal suitable for the respective process fitting. You can find
the components in the supplementary instructions manual "Welded
socket and seals".
4.4 Mounting steps, external housing
1. Mark the holes according to the following drilling template
2. Depending on the mounting surface, fasten the wall mounting
plate with 4 screws
Oxygen applications
Checking the diaphragm
Installation position
Welding the socket
Sealing/Screwing in
Sealing/Screwing in
hygienic fittings
Wall mounting