C = common
L = low
H = high
Green or green/yellow stripe always goes to ground.
If using 2 wires and the switch mounted on the back of the motor then one wire goes to C and one wire goes to your switch. Then the 2 wires from the switch go to H and L.
If using 3 wires the high speed wire goes to H, low speed to L, and the remaining wire to C.
Make sure the ground is connected to the ground and make sure the pump is properly bonded with #8 bond wire.
SOURCE: I am Replacing a pump motor and I'm not sure of the connections
high speed phase neutral should go to High speed {phase} neutral low speed {phase} should go to neutral .....Low speed and high speed {phase} need not be connected
SOURCE: Low/High Switch wiring for Hayward Superpump
I do not read anywhere that you have a 230V DPDT switch which you will need in order to select the high or low speed. You will have 6 terminalas on the switch. Line connections usually go to the middle set. Put put sides of one pole to the common terminal and put one of the other posts to the hi and the other to the low terminal. I prefer to use am on-off-on switch so the switch in the middle turns off the pump. Flip it one way for hi and the other for low. If you post your stock number from the two-speed motor I could give you a more accurate diagram if you need it. Generally, 1 is common, 2 hi and 3/4 low.
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