ENS 3000 Page9
Status 21.08.2015 HYDAC ELECTRONIC GMBH Part No. 669850
4.3 IMPORTANT SAFETY NOTES
Additional installation suggestions which, from experience, reduce the effect of
electromagnetic interference:
• Make line connections as short as possible
• Use shielded lines
• The cable shielding must be fitted by qualified personnel, subject to the ambient
conditions and with the aim of suppressing interference.
• Keep the unit well away from the electrical supply lines of power equipment, as well as
from any electrical or electronic equipment causing interference.
• Always connect the earthing screw of the ENS 3000 to the earthing rail (e.g. in the
control cabinet). We recommend using a 16 AWG cable and as short a line length as
possible.
The level switch ENS 3000 must be installed in the tank as near to vertically as possible. If
the ENS 3000 is not mounted vertically, then the accuracy of the ENS deteriorates with
increasing angle of incline. (Additional inaccuracy if ENS is at an angle of 5°: approx.
±0.5% ; additional inaccuracy if at an angle of 10°: approx. ±1.5%).
CAUTION:
The electronic level switch ENS 3000 must not be used at positive pressure. Short-
term pressure of up to 40 psi for no longer than 1 minute is possible without
causing damage.
Earth contact M3
(earthing screw M3 and toothed
washer M3 included)
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