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Tuesday, July 3, 2012

Contactor On External unit or compressor unit

A magnetic starter (also known as a heater) is a coil setup to provide an amp "kick" for the capactitor(s) upon startup for high torque applications such as compressors. The "reset button" is similar to a circuit breaker but is hyper sensitive to what the maximum amps are dialed into the magnetic starter coil(s). They are made in various configurations to suit individual units requirements. If your motor has a 36.5 amp rating and lacks internal thermal protection anything much over that 36.5 amp draw could end up cooking the motor field/armature/brush windings and destroying it. The contactor is normally black in color and is seen as a form of HUB for most cables to interconnect at. Each cable will have their specific location on the contactor. Further, the contactor is essential to ensuring a certain level of voltage is reaching each cable line.When weak voltage is present, you will need to either refer to replacement of start capacitor or loose connect on or within the contactor. Email any questions you may have.

ELECTRICAL CONTACTOR ON OUTSIDE UNIT FOR AIR CONDITIONER

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