Which of the following is considered retrofitting?

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Prepare for the SkillCat EPA Type 2 Test with interactive flashcards and multiple-choice questions. Each question is accompanied by hints and explanations. Get ready to pass your exam!

Multiple Choice

Which of the following is considered retrofitting?

Explanation:
Retrofitting is making changes to an existing system so it can operate with a refrigerant different from what it was originally designed for. This often means modifying components to be compatible with the new refrigerant and its oil, such as adjusting or replacing the metering device, seals, or even the lubricant and possibly the compressor. The option that involves altering components to use a new refrigerant fits this idea exactly. Replacing the entire system is just installing a new system, not retrofitting. Cleaning the coils and testing for leaks are maintenance tasks, not changes to enable a different refrigerant.

Retrofitting is making changes to an existing system so it can operate with a refrigerant different from what it was originally designed for. This often means modifying components to be compatible with the new refrigerant and its oil, such as adjusting or replacing the metering device, seals, or even the lubricant and possibly the compressor. The option that involves altering components to use a new refrigerant fits this idea exactly. Replacing the entire system is just installing a new system, not retrofitting. Cleaning the coils and testing for leaks are maintenance tasks, not changes to enable a different refrigerant.

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