Moeller - Fully automatic pump control - With pressure switch for air tank and domestic water supply without water failure (run dry) safety device

With pressure switch for air tank and domestic water supply without water failure (run dry) safety device

With 3-pole pressure switch MCSN (main circuit)


	F1: Fuses (if required) Q1: Motor-protective switch, manual (z. B. PKZ) F7: Pressure switch MCSN, 3-pole M1: Pump motor Air or pressure tank Non-return valve Pressure pipe Centrifugal (or reciprocating) pump Suction pipe with filter Well

With single-pole pressure switch MCS (control circuit)


	F1: Fuses Q11: Contactor or automatic star-delta starter F2: Overload relay with reclosing lockout F7: Pressure switch MCS, 1-pole M1: Pump motor Air or pressure tank Non-return valve Centrifugal (or reciprocating) pump Pressure pipe Suction pipe with filter Well

With 3-pole float switch SW (main circuit)


	F1: Fuses (if required) Q1: Motor-protective circuit-breakers, manual (z. B. PKZ) F7: Float switch 3-pole (circuit: pump full) M1: Pump motor HW: Highest level NW: Lowest value Cable with float, counterweight, pulleys and clamps Storage tank Pressure pipe Centrifugal (or reciprocating) pump Outlet Suction pipe with filter Well

With 1-pole float switch SW (control circuit)


	F1: Fuses Q11: Contactor or automatic star-delta starter F2: Overload relay with reclosing lockout F8: Float switch 1-pole (circuit: pump full) S1: Changeover switch MANUAL-OFF-AUTO F9: Float switch 1-pole (circuit: pump full) M1: Pump motor Cable with float, counterweight, pulleys and clamps Storage tank Pressure pipe Centrifugal (or reciprocating) pump Outlet Suction pipe with filter Water-failure monitoring by means of a float switch Well