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Location of overvoltage protection

Had a lightning storm in the area yesterday and now the fan and a/c unit do not run at all. thermostat appears to be fine. I need to replace the overvoltage fuse, but do not know where it is located.

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Go outside to the condensor, its unlikely that the fuses are there unless it is an older unit. Turn off the power and open the power disconnect box. That is one place the fuses or breaker could be.

In the house you should have an electrical panel usually grey in color. Open the service panel as it should be hinged. Most of the time the fuse or breaker is labeled AC Unit andThe rating should be
anywhere between 25amps-60amps.

Posted on Jul 21, 2010


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