Automotive Service Excellence (ASE) Air Conditioner Certification Practice Exam 2025 – Your All-in-One Guide to Exam Success!

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Why must recovery/recycling equipment have shutoff valves located within 12 inches of the service hoses?

To allow oil to be added to the refrigerant.

To isolate the unit from the refrigerant source.

To change the filter without disconnecting hoses.

To minimize refrigerant discharge to the atmosphere.

The requirement for recovery/recycling equipment to have shutoff valves located within 12 inches of the service hoses is primarily to minimize refrigerant discharge to the atmosphere. When servicing air conditioning systems, it is important to ensure that refrigerants, which can be harmful to the environment, are contained and not released into the atmosphere during the recovery or recycling process. The shutoff valves serve as a critical safety feature, allowing technicians to control and contain the refrigerant quickly and effectively. By having these valves positioned close to the hoses, it ensures immediate access to prevent any accidental release as the hoses are connected or disconnected. This design helps support compliance with environmental regulations and promotes responsible refrigerant management in HVAC practices.

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