3.2.3 Connection of the pump motor
Either mono-phase or three-phase motors may be connected according to the connection diagram
shown below.
Connection of a 3-phase Motor :
Mains connection
Pump1
Protective conductors
Connection of a single-phase Motor with internal capacitor :
For 230V pumps, a bridge between N-L2 is required in the mains connection.
Mains connection
Pump1
Net
Protective conductors
13