Proline Promass 83E/F/O Operation Manual - FMC Technologies

Proline Promass 83Wiring4.3 Degree of protectionThe measuring device fulfill all the requirements for IP 67.Compliance with the following points is mandatory following installation in the field or servicing,in order to ensure that IP 67 protection is maintained:• The housing seals must be clean and undamaged when inserted into their grooves. The seals must be dried, cleaned or replaced if necessary.• The threaded fasteners and screw covers must be firmly tightened.• The cables used for connection must be of the specified outside diameter ä 107, cable entries.• The cable entries must be firmly tighten (point a å 27).• The cable must loop down in front of the cable entry ("water trap") (point b å 27). This arrangement prevents moisture penetrating the entry.! Note!The cable entries may not be point up.abFig. 27:Installation instructions, cable entriesa0001914"Caution!• Remove all unused cable entries and insert plugs instead.• Do not remove the grommet from the cable entry.Do not loosen the screws of the sensor housing, as otherwise the degree of protection guaranteedby no longer applies.Issue/Rev. 0.2 (12/12) MN0M022 • Page 31