Overload protector

Overload protector. This is overheat/overload protection for the compressor in the form of a bimetal, reusable safety fuse. If, for any reason, the temperature of the compressor motor goes too high, the bimetal strip within the overload protector will shut off the power to the compressor until it cools sufficiently for safe operation. It is installed under the compressor terminal cover. (See figs. 12, and 55.)

Under this cover, there are three compressor terminals: a run winding terminal marked R, a start winding terminal marked S, and a common terminal marked C. The overload protector is connected in series with the common terminal of the compressor.

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