Compressor crankcase heater

Old 08-22-16, 06:20 PM
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Compressor crankcase heater

Should I replace my compressor crankcase heater?

I've got a Trane XL1800 model TTZ048A100A1 air conditioner unit outside. I found it was not running the other day. On closer inspection, I found that the hard start capacitor was cracked and breaker would not stay on. I replaced the capacitor, and still the breaker still would not stay closed. After we bypassed the compressor, still the breaker would not stay closed. We bypassed the crankcase heater, and that seemed to fix the problem.

So, it would seem that the problem is the crankcase heater. My understanding is that the heater warms the oil in the compressor, which "boils" the coolant out of the oil. I live in South Texas, where it is ridiculously hot outside during the summer months. The fellow helping me with this says that the heater is not necessary down here, and that new units don't even have them.

Should I replace the crankcase heater in my unit? I'm just looking for a 2nd opinion. Thanks!
Old 08-22-16, 09:04 PM
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Welcome to the forums.

If your unit is just a standard split A/C..... you do not a crankcase heater.
If your unit is a heatpump then you could possibly need one but I doubt it.

Usually in southern, warmer climates the crankcase heater is an option that is not chosen.

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