page
Level limit switch
Series RN 4000
Technical information / Instruction manual
Mounting
Process pressure
Improper installation may result in loss of process pressure.
Chemical resistance
against the medium
Materials of construction are choosen based on their chemical compatibility (or inertness) for
general purposes. For exposure to specific environments, check with chemical compatibility
charts before installing.
Mechanical load
The torque at the fastening spot must not exceed the specified ratings. See page 7 for details.
Mounting location
Keep away from incoming material and from silo walls.
The installation has to be carried out, that the sensor elements cannot hit the wall of the silo. The
flow of the medium and fixtures in the container must be considered.
General Safety Instructions
Additional Safety Instructions for Hazardous Locations
Installation regulations
For devices to be used in Hazardous Locations the respective valid installation regulations must
be observed.
Rotatable housing
The housing can be rotated against the threaded connection after mounting.
Direction of the cable glands
When the unit is mounted from the side, ensure, that the cable glands face downwards and are
closed to avoid water penetration into the housing.
Sealing
Seal the process connection thread with PTFE sealing
tape or a flat gasket against process
pressure.
Precaution for later
dismounting
Use PTFE sealing tape to avoid seizing of aluminium process connection thread with the socket
Mounting instructions
Rotonivo
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RN 4000
gi010121
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