It’s a large capacitor. They are used in those big outdoor AC units to kick start the fan compressor. Being outdoors and subject to large temperature changes and vibrations for years they inevitably fail.
The fan motors will often also have them. It just depends on the size and type of motor. Most big AC motors use them unless you’re dealing with 3 phase power.
It’s a large capacitor. They are used in those big outdoor AC units to kick start the
fancompressor. Being outdoors and subject to large temperature changes and vibrations for years they inevitably fail.https://static.homeguide.com/assets/images/content/homeguide-technician-replacing-ac-capacitor.jpg
They are to help start the compressor, not the fan. Anything with a compressor will have one, like your fridge.
The fan motors will often also have them. It just depends on the size and type of motor. Most big AC motors use them unless you’re dealing with 3 phase power.
They are used for the evap coils fan as well.
Ah, you’re right. Got it mixed up with furnace fans which have smaller caps.