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Nivocompact FTC 731
Tools Required for Installation
Preparation
Screwing In
Fig. 8
A torque of approx. 80 Nm when screwing in
means that:
If you weigh approx. 80 kg, you can support
your total body weight holding the spanner
(60 AF) approx. 10 cm from the centre of
rotation.
10
Mounting
• Open-end spanner 60 AF
• Screwdriver, blade width 5...6 mm or
Phillips screwdriver PZD 2
Compare the order code on the nameplate of your instrument with the order
specification key to ensure that the correct instrument is being installed.
The probe rod must not be shortened.
FTC 731 capacitive level limit switch with rod probe
Threaded boss with rod probe
Housing
A Aluminium housing, IP 55
B Aluminium housing, IP 66
R Aluminium housing, coated, IP 66
K PBTP synthetic housing, IP 66
Y Check special version
Electronic Insert (mounted in housing)
1 21 V...250 V, 50/60 Hz (EC 30)
Two-wire AC connection
2 PNP 10 V...55 V= (EC 32)
Three-wire DC connection
3 NPN 10 V...55 V= (EC 33)
Three-wire DC connection
4 Relay, 21...250 V AC/200 V= (EC 34)
AC or DC connection
with relay output (change-over contact)
9 Check special version
Order code on nameplate
FTC 731
• Place the elastomer/fibre gasket supplied against the sealing surface of
the Nivocompact (Do not wind sealing material around the thread!).
• When screwing the Nivocompact into the threaded socket, turn the
instrument by the 60 AF hex nut only!
• If the instrument does not screw in easily, then only cut into the thread of
the threaded socket with care.
• A torque of 80 to 100 Nm is sufficient for a reliable seal up to 6 bar;
see Fig. 8.
A torque greater than 120 Nm destroys the plastic thread.
Installation
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