MICROSWITCH
LINE
Microswitch actuation point may be monitored by an audible click or with an OHM
meter before connecting the line power to the terminal strip or by monitoring the
voltage supplied to the load through the microswitch.
5
(HOT)
r
INCREASING
LIQUID LEVEL
ABOVE SET POINT MOVES
ACTUATOR IN DIRECTION SHOWN LOAD
(HOT)
MICROSWITCH
LINE
Figure 2: Wiring Schematic for power applied to the load when the liquid level is
greater than the set point (power to the load is interrupted when the level decreases
to below the set point).
4.
CO M
I
?
-
I
-NC
1
DECREASING
LIQUID LEVEL
BELOW SET POINT MOVES
ACTUATOR IN DIRECTION SHOWN
A
LOAD
Figure 1: Wiring Schematic for power applied to the load when the liquid
level is lessthan the set point (power to the load is interrupted when the level increases to above
the set point).