HVAC TIP: Check Your Crankcase Heater | HVAC Know It All
HVAC TIP: Check Your Crankcase Heater | HVAC Know It All
Apr 13, 2018
hvacknowitall.com
30K views · 522 reactions | A quick visual explained why the fuses were blowing... Crankcase heater also took out the relay controlling it and a portion of a compressor contactor. If they don't appear visually, a megger works great at finding them when they're intermittent. Sealed Unit Parts Co., Inc. #hvac #hvacservice #hvactroubleshooting #hvacsystem #hvacbusiness #hvacaf #realhvacreallife #hvactools | HVAC Know It All | Facebook
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30K views · 522 reactions | A quick visual explained why the fuses we…
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In an unusual design, a compressor manufacturer has two 120-V c... | Filo
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This breaker kept tripping but nobody could figure out why!
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This breaker kept tripping but nobody could figure out why!
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YouTubeThe HVAC Game
Customer stated several other companies kept resetting the breaker for the past six months but the unit would only run for a day or two and stop again. We reset the breaker but instead of leaving it there, before restoring power to the unit with the disconnect, we checked for short circuits or ground faults. And look what we found! One of the terminals on the compressor contactor read connection to ground. We traced it to the crankcase heater wiggling back and forth creating a short. Taking care
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Customer stated several other companies kept resetting the brea…
206 views3 weeks ago
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