Which condition could lead to compressor burnout?

Compressor burnout can occur due to various factors that place excessive stress or strain on the compressor, ultimately leading to its failure. Each of the conditions mentioned contributes to this risk in specific ways.

Low suction pressure can lead to inadequate refrigerant flow through the compressor. When the suction pressure drops, the compressor struggles to maintain efficient operation, which can lead to overheating and eventual burnout due to insufficient cooling and excessive load.

Using an improper refrigerant type may also contribute to compressor burnout. Different refrigerants have specific properties that affect the operation of the compressor. If a refrigerant with inappropriate characteristics is used, it can cause the compressor to operate inefficiently or even result in chemical damage, leading to immediate failure.

Overvoltage to the compressor is another critical condition that can lead to burnout. If the compressor receives voltage that exceeds its rated capacity, it can cause excessive current to flow through the motor windings. This situation results in overheating, leading to insulation breakdown and ultimately, compressor failure.

Considering all these factors, the correct answer encompasses that all these conditions—low suction pressure, improper refrigerant type, and overvoltage—can independently contribute to compressor burnout.