Those aren’t supposed to be round on top.

  • Lemmyoutofhere@lemmy.ca
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    2 months ago

    They are to help start the compressor, not the fan. Anything with a compressor will have one, like your fridge.

    • doc@fedia.io
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      2 months ago

      Ah, you’re right. Got it mixed up with furnace fans which have smaller caps.

    • Canonical_Warlock@lemmy.dbzer0.com
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      2 months ago

      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.