531 M1 02 A
16-07-2010
3
Caution:
The sensor may be not subject to move due to turbulences. Do not knock the probe during mounting
and maintenance operation.
2 SENSORS MOUNTING
The alarm device NivOil must be mounted out of the Ex area. Cables from safe area and Ex
area must pass through pressure glands or wall-ducts IP67 protection according to the standard
EN 60529.
Hydrocarbon fluid layer thickness sensor:
Fit the sensor such as the sensor tip corresponds
to the bottom of the greater layer thickness to detect. The graduated stem (5, 10 and 15 cm marks)
makes the adjustment easier.
Overfilling sensor:
Fit the sensor such as the ends of U probe are 2 cm under the alarming
level.
Sludge layer sensor:
Fit the sensor such as the ends of U probe are 2 cm under the alarming
level.
3 CONFIGURATION AND ELECTRICAL CONNECTIONS
1°)
Open the cabinet
and
carefully disconnect the ribbon cable.
Conform to the standard rules concening
Ex area.
Electrical circuit with intrinsic safety
components may not be connected to
the ground.
!
