In this month’s troubleshooting situation, our problem involves a 4-pin compressor that uses both an internal and external overload protector. Two other factors in regard to this particular piece of ...

Acceptable ohm reading for a good current relay. One type of starting relay used on fractional-horsepower compressors is the current relay. This type of starting relay uses the initial high inrush ...

A very simple audio compressor built with SSM2165 IC. There is no much explication about this compressor circuit schematic, just pay attention at capacitors voltage. The C8 value depends of your ...

Motors used for refrigeration equipment (including air conditioning systems) are hermetic. When we say “hermetic,” what do we mean? It’s a motor that’s sealed from the outside. In the case of ...