Assembling The Female Connector; Ensuring The Equipotentiality Of The Installation - Burkert 8220 Manuel D'utilisation

Installationandwiring
Cable technical data
Number of wires
Cross section of the wires
7.3.3

Assembling the female connector

→
Loosen the nut [1] of the cable gland.
2
→
Remove the terminal block [3] from the housing [2].
→
Insert the cable in the nut [1], in the seal [4], in
3
the cable gland and in the housing [2].
→
Connect the 4 conductors to the terminal block [3].
→
4
Position the terminal block [3] in steps of 90°
then put it back in the housing [2], pulling gently
1
on the cable so that the wires do not clutter the
housing.
→
Tighten the nut [1] of the cable gland.
→
Put the seal [5] between the connector and the
fixed connector on the device and then plug the
2508 connector into the fixed connector.
5
→
Insert and then tighten the screw [6] to ensure
tightness and correct electrical contact.
6
Fig. 6: Assembling the female connector type 2508 (supplied)
Type 8220
Recommended
4
0,25 to 1,5 mm2
7.3.4 ensuring the equipotentiality of the
installation
To ensure the equipotentiality of the installation (power supply -
device - fluid):
→
Connect the different earth points to one another of the instal-
lation to eliminate the potential differences that may occur
between themselves.
→
Connect the negative terminal of the power supply to the earth
to eliminate the common mode currents. If direct earthing is not
possible insert a 100 nF / 50 V-capacitor between the negative
terminal and the earth.
→
When the device is installed on plastic pipes, connect to the
same earth the different metal instruments such as a valve or a
pump that are the closest possible to the device.
→
If no such instrument is near the device, insert metal earthing
rings inside the plastic pipes upstream and downstream the
device and connect them to the same earth.
→
Put the earthing rings in contact with the fluid.
English
15