Wiring for Whisperflo Dual Speed

230 VAC Wiring
As you know in a 230 VAC configuration there is no "Neutral" or sometimes called a "Common" wire. Both of the "Supply" or "Source" wires carry voltage. Actually 115 VAC each, Hence 230 VAC. But remember that the two 115 VAC wires are 180 degrees "Out of Phase". Also explained in "The Manual"

One of the supply wires is connected to the L2 connection of the pump. The other supply wire is toggled between the low and high speed connection on the Pump to change speeds and is controlled by whatever, IntelliTouch, Intermatic.................In fact you could accomplish this with two toggle switches, or two relays :)

115 VAC wiring
Every thing is the same EXCEPT, The second supply wire is the "Neutral" or "Common" wire. We only have one 115 VAC supply wire.