Level Switch Installation; General Installation Instructions - SIKA VH Notice D'utilisation

Level switch installation

4 Level switch installation

4.1 General installation instructions

 When choosing the installation site, ensure that the specified limit values are not ex-
ceeded ( § 9 "Technical data").
 Suitable measures should be taken to prevent the medium from freezing.
If the level switch is to be used in ambient temperatures of <4 °C, do not carry out any
operation beforehand with pure water, e.g. a test run. Residual water in the level switch
can result in frost damage.
 Install the level switch as shown in Fig. 3.
 Installation height (centre axis) of the level
switch has to be at the exact height of the
medium which is to be monitored (does not
apply for V_ _03M0...).
 Make sure that the rocker bar with the float
can move freely.
 Check whether the level switch has been
installed vertically. If adjustment of the level
switch is necessary, loosen the union nut (size 32 or knurled), align the level switch and
retighten the nut.
 Tighten the brass or stainless steel union nut ¾" (VH..
version) with a tightening torque of 25...30 Nm.
 Tighten the plastic union nut (VK.. version) with a tight-
ening torque of 7...8 Nm.
 Make sure that there are no external magnetic fields in
the immediate vicinity of the flow switch, since these
can impair device functioning ( Fig. 4).
Additional information for the VH...X level switch
 Please observe the specified limit values when choos-
ing the installation site ( § 9 "Technical data").
 The brass and stainless steel union nut ¾" is factory
set with a tightening torque of 30 Nm.
 When installing and before starting-up, it is to be guar-
anteed that the mechanical process connections are
technically tight.
 Always consider the sealing of the screwing elements
for the zone allocation. Depending on the operating
conditions, it may be necessary to regularly check the sealing of the screwing elements.
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Level switch
liquid
A/F 32
Fig. 3
Fig. 4
© SIKA • Ea1300_LevelSwitch • 04/2016
VH... / VK...
Level switch
A/F 32
N
S