User guide

28
Wiring
Type 8025 / 8035
+
-
(*)
12-36 V DC
Power supply
Metal pipes
+
-
(*)
12-36 V DC
Valve, pump,... (or earth
rings, not provided,
inserted into the pipe)
Plastic pipes
Power supply
*) If a direct earth connection is not possible, fit a 100 nF / 50 V capacitor between the negative power supply terminal and the earth.
Fig. 16: 8025 in a compact version and 8035, equipotentiality skeleton diagram with metal or plastic pipes
+
-
8025
(*)
8030
Panel or wall-
mounted version
Power supply
Metal pipes
+
-
8025
(*)
8020
Plastic pipes
Power supply
Panel or wall-
mounted version
Valve, pump,... (or earth
rings, not provided,
inserted into the pipe)
*) If a direct earth connection is not possible, fit a 100 nF / 50 V capacitor between the negative power supply terminal and the earth.
Fig. 17: 8025 in a remote version and equipotentiality skeleton diagram with metal or plastic pipes
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