Burkert Type 8076 - Manual (Page 22)

22
Installation and wiring
Type 8026- 8036- 8076
7.3.3. equipotentiality of the installation
To ensure the equipotentiality of the installation (power supply -
device - fluid):
→
Connect together the various earth spots in the installation to
eliminate the potential differences that may occur between dif-
ferent earthes.
→
Observe faultless grounding of the shield of the power supply
cable.
→
Special attention has to be paid if the device is installed on
plastic pipes because there is no direct earthing possible.
Proper earthing is performed by earthing together the metallic
devices such as pumps or valves, that are as close as possible
to the device.
Power
supply
12-36 V DC
+
-
Fig. 17: Equipotentiality skeleton diagram with pipes in metal
Power supply
1)
12-36 V DC
+
-
Devices such as valves, pumps,...
Fig. 18: Equipotentiality skeleton diagram with pipes in plastic
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