Ensuring The Degree Of Protection; Post-Connection Check - Endress+Hauser Oxymax COS22 Kurzanleitung

Electrical connection
9.3

Ensuring the degree of protection

Only the mechanical and electrical connections which are described in these instructions and
which are necessary for the required, designated use, may be carried out on the device
delivered.
‣
Exercise care when carrying out the work.
Otherwise, the individual types of protection (Ingress Protection (IP), electrical safety, EMC
interference immunity) agreed for this product can no longer be guaranteed due, for example,
to covers being left off or cable (ends) which are loose or insufficiently secured.
9.4

Post-connection check

Device condition and specifications
Are the outside of the sensor, assembly, junction box, cable
undamaged?
Electrical connection
Are the installed cables strain-relieved and not twisted?
Is a sufficient length of the cable cores stripped, and is it positioned
in the terminal correctly?
Are all the screws terminals properly tightened?
Are all the cable entries installed, tightened and sealed?
Are all cable entries facing downwards or mounted laterally?
26
Notes
Visual inspection
Notes
Check the fit (by pulling gently)
Tighten
In the case of lateral cable entries: Cable loops
facing downwards to allow water to drip off.
Oxymax COS22/22D