Crankcase heaters have an important job: they keep refrigerant from migrating to the compressor during the off cycle. As such, we need to take a thoughtful approach to wiring them depending on what we have available, whether that's a single-pole contactor, a double-pole contactor, or a White-Rodgers SureSwitch. Our latest video covers some tips for crankcase heaters and refrigerant charging. You can watch it on our website at: https://buff.ly/lfaBshd | HVAC School
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Crankcase heaters have an important job: they keep refrigera…
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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
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A quick visual explained why the fuses were blowing... Crankcase h…
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HVAC TIP: Check Your Crankcase Heater | HVAC Know It All
HVAC TIP: Check Your Crankcase Heater | HVAC Know It All
Apr 13, 2018
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when the compressor is running, the crank case heater should be off, a...
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when the compressor is running, the crank case heater should be of…
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