A clamp meter is a great tool for troubleshooting electrical motor and compressor problems. Meters designed to accurately measure both AC voltage and AC current are especially useful.

In this troubleshooting situation you have responded to a complaint that a 4-ton package unit air conditioner is not cooling.

Replacing the A/C compressor clutch and bearing is essential for restoring proper cooling in a vehicle. This step-by-step ...

A compressor takes cool low-pressure refrigerant and compresses it into a high-pressure, high-temperature gas. This gas passes through the air conditioner condenser mounted in front of the ...