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The KARI Float Switch is mounted
to hang from its own cable. The float
switch floats on the surface of the liquid
and follows the movement of the liquid’s
surface. Functions are controlled in
the various tilt angles of the float. The
switching distance differential is adjusted
by moving the weight along the cable.
Cable
length
(m)
Installation considerations
• The height at which the float hangs
and the distance of the cable weight
from the float can be adjusted. The
differential between the start and stop
levels is at its lowest when the cable
weight is about
1
0 cm from the tip of
the float’s strain-relief (see page 7).
• If the viscosity of the liquid is high
or floating to the sides needs to be
restricted, we recommend a heavier
weight of cable, which we supply as
required. The weights are fixed to the
cable with a clamp wedge (see Image
1
).
• It is important to keep the junction
box in a dry environment. If this is not
possible, the ends of float switch cables
must be covered with, for example,
protective grease (see Images 2 and 3).
An IP68 junction box is also available.
• The float switch needs a cable weight
or other anchor point to operate.
• The installation site must be selected
such that the float cannot become
caught under or stay on top of any
surface or get entangled in other
structures (see Image 4).
• When the float switch is tested without
being floated, its correct orientation
must be considered: the ‘UP’ mark on
the side of the bottom portion must
face upward. For example, when placed
on the floor on its side, the float switch
settles into this position because of its
internal keel weight (see Image 5).
• Tying the float switch from its cable
near the float to, for example, the
ascension pipe of the pump decreases
the useful life of the cable; the float
switch should hang freely from its cable
(as shown in Image 6).
Image
1
. Cable weights and the hanging loop are
fixed to the cable with a clamp wedge (A–B).
Image 2. Avoid extending or
connecting the cable in humid
conditions.
Image 3.
Image 4. Take care to ensure
the free movement of the
float.
Image 6. Avoid fixing the float such that
a sharp corner can cause kinks or wear to the cable.
Image 5. Note the correct
orientation of the float.
A)
B)
INSTALLATION AND
ADJUSTMENT
Up!
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