North Carolina Home Inspector Practice Exam

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In a split system A/C unit, how level must the outside compressor be?

Within 10 degrees
Within 15 degrees
Within 20 degrees
Within 25 degrees

The correct answer is: Within 15 degrees

In a split system air conditioning unit, the positioning of the outside compressor plays a crucial role in the overall efficiency and operation of the system. The correct requirement for the level of the outside compressor is within 15 degrees. This level of precision is important as being slightly out of level can affect the oil return to the compressor, potentially leading to inadequate lubrication and, in some cases, compressor damage or failure over time. Additionally, an out-of-level compressor may cause improper drainage of condensation, leading to moisture issues and reduced efficiency of the system. While some degree of tolerance exists in how level the unit can be, maintaining it within 15 degrees ensures optimal performance and longevity of the equipment, making it a standard practice in installation and maintenance.