****AC FIRE**** Fires caused by air conditioner units most often happen at the cord. The reason is that the cords overheat due to unit drawing too much current. High current draw is most often caused by a dirty condenser (outdoor coils) As dirt is blown through the coils with the air that cools them it slowly builds up on the coils. Eventually the build up clogs the coils more and more. When this happens the pressure inside the system rises causing the compressor to work harder to do its job. In working harder the current draw increases until it exceeds the current rating for the cord being used. The copper wire will then act like a heating element getting hotter and hotter. The easiest way to tell if this is happening is to feel the cord. If it feels warm unplug and inspect the prongs. If the insulation around the prongs look burned then discontinue using it until you get the condenser cleaned and have the cord replaced. Most of the newer window units today come with breakers built into the cords. If you have one and it is tripping then check to see if the ac needs cleaning.
Posted on: Thu, 06 Jun 2013 14:05:05 +0000
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