MP 1, SQE-NE, SPA-NE, SP-NE - SCL Water

Technical dataSubmersible pumpsSQE-NEWiring diagramsMains connection of pump via pressure switchThe motor incorporates a starter device and maytherefore be connected directly to the mains supply.The pump will typically be started and stopped via apressure switch.Note: The pressure switch must be sized for themaximum current of the specific pump type.NLPTM01 1480 4697BYARIFig. 28 Wiring diagramElectrical connection of CU 300PE12PE POWERPOWERPEPE1 23 4PUMP5 6 7NCCOMNONCCOMNOALARMRELAY8910AUXRELAY111213 141516171819+24VDCINGNDDIGIN3 4PUMP+24VDCINGND+24VDCINGNDSENSOR SENSOR1 2RS485DTRRXDGNDTXDRS232Alarm relay:Potential-free changeover contact.Maximum contact load: AC 250 V. Maximum current 1 A.Minimum contact load: DC 5 V, 10 mA.Auxiliary relay:Potential-free changeover contact.Maximum contact load: Safety extra-low voltage to be used only.Maximum current 1 A.Minimum contact load: DC 5 V, 10 mA.Digital input:External potential-free contact.Logic "0": U in > 3.2 V.Logic "1": U in < 0.9 V.Sensor 1:Voltage signal: DC 0-10 V/2-10 V, R i = 11 kΩ.Tolerance: ±3 % at maximum voltage signal.Screened cable recommended, maximum length of cable: 500 m.Current signal: DC 0-20 mA/4 - 20 mA, R i = 500 Ω.Tolerance: ±3 % at maximum current signal.Screened cable recommended, maximum length of cable: 500 m.Sensor 2:Potentiometer: DC 0-24 V, 10 kΩ (via internal voltage supply).Screened cable is recommended, maximum length of cable: 100 m.Voltage signal: DC 0-10 V/2-10 V, R i = 11 kΩ.Tolerance: ±3 % at maximum voltage signal.Screened cable recommended, maximum length of cable: 500 m.Current signal: DC 0-20 mA/4-20 mA, R i = 500 Ω.Tolerance: ±3 % at maximum current signal.Screened cable recommended, maximum length of cable: 500 m.5678 9 1011 12 1314 15 1617 18 19NCCOMNONCCOMNO+24VDCINGND+24VDCINGND+24VDCINGNDALARMRELAYAUXRELAYDIGINSENSOR1SENSOR2TM01 3008 2898Fig. 29 Electrical connection of CU 30040