Pump Solutions Group Neptune GLYCOL FEED SYSTEM G-100-1A, G-100-2A - Manual (Page 15)

MODEL L30N LIQUID LEVEL SWITCH
INSTALLATION AND OPERATING INSTRUCTIONS
5). Apply slip on terminals to appropriate contacts of micro switch. Slide cover down
cable and fasten to body of switch with four screws provided. Slide grommet down cable
until outer jacket is level with small end of grommet per illustration page 2. Push
grommet into tapered end of cover. Hold cable jacket to prevent rotation and thread
gland nut firmly on to cover.
Fig. 1: Wiring schematic for power applied to load when liquid level is less than set point
(power to load interrupted when level increases to above set point).
Fig. 2: Wiring schematic for power applied to load when liquid level is greater than set
point (power to load interrupted when level decreases to below set point).
Microswitch actuation point may be monitored by an audible click or with an OHM meter
before connecting line power to the terminal strip or by monitoring the voltage supplied to
the load through the microswitch.
Figure 1 Figure 2