•All 1HP and 1 1/4HP units are factory wired for 208-230 VAC. They can be rewired for 115 VAC.

•Supply Line Voltage is always present on one side of the Contactor contacts.

•Line Voltage is also being supplied to the 240 / 24 VAC transformer energizing it.

•The Transformer supplies 24 VAC to the On/Off switch (Control Panel) on the wall and to one side of the 24 VAC Contactor Coil.

Single Motor Units

•When the On/Off switch is pushed to the on position the Contactor Coil is energized closing the contacts.

Twin Motor Units

•When the control panel On/Off switch is pushed, and the On/Off switches on the vacuum are in the On position, the contactor coils are energized closing the contacts. Line voltage is then supplied to the motor.

•All 2 HP units are factory wired for 208-230 VAC.

•Supply Line Voltage is always present on one side of the Contactor contacts.

• Line Voltage is also being supplied to the 240 / 24 VAC transformer energizing it.

•The Transformer supplies 24 VAC to the On/Off switch (Control Panel) on the wall and to one side of the 24 VAC Contactor Coil.

Single Motor Units

•When the On/Off switch is pushed to the on position the Contactor Coil is energized closing the contacts.

Twin Motor Units

•When the control panel On/Off switch is pushed, and the On/Off switches on the vacuum are in the On position, the contactor coils are energized closing the contacts. Line voltage is then supplied to the motor.