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7. Electrical installation
AllelectricalconnectionsmustbeperformedbyAUTHORIZEDANDQUALIFIEDpersonnelonly.
Beforetoproceed,please,verifythefollowingsteps:
-verifythatpump’slabelvaluesarecompatiblewithmainpowersupply.
-pumpmustbeconnectedtoaplantwithadifferentialswitch(0,03A
sensitivity)ifthereisn’tagoodground.
-toavoiddamagestothepumpdonotinstallitinparallelwithheavy
inductanceload(forexample:engines).Arelayswitchmustbeused.See
belowpicture.
P - Dosing Pump
R - Relay
I- Switch or safety device
E - Electrovalve or inductance load
A - Main Power
-Onpump’smotherboardthereisafurtherprotectionagainstovervoltages
(275V-150V)anddistributionlinenoises(4KVformax50µsec)asshown: