What size starting capacitor do I need?
| Small Motor Capacitor “Ballpark” Sizes Based on Motor Type | |
|---|---|
| Motor Type 1 | Start Capacitor uF / Voltage 1 |
| Pool Pump motor | 50-400 µF / 120 / 250 VAC |
| Table saw motor 1 – 1.5 HP | 160-200 µF / 120 / 250 VAC to 300 µF / 110-125 VAC |
| Well pump motor 1/2-3/4 | 60-70 µF / 220VAC |
How do you connect a start and run capacitor?
Push the wire terminal on the start capacitor’s second wire onto the run capacitor’s common terminal, often labeled “C,” “COM.” The wire connected to the motor’s run terminal, marked as “R” on the motor’s wiring chart, and the wire going to the hot terminal on the load side of the contactor also connects to this run …
How do I choose a starting capacitor?
Select a capacitor with a voltage rating at or above the original capacitor. If you’re using a 370 volt capacitor, a 370 or 440 volt one will work. The 440 volt unit will actually last longer. A capacitor will have a marked voltage indicating the accpetable peak voltage, not operational voltage.
Can I use a bigger start capacitor?
Much the same way, a motor will not run properly with a weak capacitor. This is not to imply bigger is better, because a capacitor that is too large can cause energy consumption to rise. In both instances, be it too large or too small, the life of the motor will be shortened due to overheated motor windings.
How do you know if a capacitor is bad on a motor?
If your electrical meter displays a microfarad value that is too high or too low, this is a sign that your capacitor is bad. Before testing your capacitor, be sure to short across the terminals with an insulated handle screwdriver. This will help you remove any stored power.
Can I replace a start capacitor with a run capacitor?
The capacitance and voltage ratings would have to match the original start capacitor specification. A start capacitor can never be used as a run capacitor, because it cannot not handle current continuously.
Which wire goes to Herm on capacitor?
Connect the EasyStart ORANGE wire to the HERM terminal. Follow the wire that connects the C terminal on the run capacitor to the contactor.