Pepperl+Fuchs LAL-SRW-08 Manual page 18

ALARM SYSTEM
Installation
Overflow sensor
The lower edge of the sensor is usually a few centimeters above the normal fluid level,
positioned close enough for the switch point is covered by liquid if there is an overflow of the
EN
contaminated coalescence, or the float shut-off valve is defective, or there is another situation
that can lead to an overflow or contamination. The switch point is at the same level of the 5 mm
hole on the side of the sensor.
Zone 0
Figure 3.2: Mounting of overflow sensor NVF-104/34-PF
16 - EN