ASHRAE Standard 15-1994 mandates refrigerant sensors for which safety group classification?

Prepare for the Type III Low Pressure Equipment Certification. Master essential concepts with practice questions and detailed explanations. Ensure success on your exam day!

ASHRAE Standard 15-1994 addresses the safety requirements for refrigeration systems to protect the health and safety of people in and around refrigeration equipment. One of the key provisions of this standard is the requirement for refrigerant sensors, which are crucial for detecting harmful refrigerant leaks in occupied spaces.

The correct answer reflects that the standard mandates refrigerant sensors for all refrigerant safety groups. This includes not only Group A refrigerants, which are considered non-toxic and of lower flammability, but also Group B, which encompasses higher toxicity refrigerants, and Group C refrigerants, which are known for their flammability. The overarching concern is the protection of human health in environments where refrigeration systems are in use. The presence of any refrigerant poses potential hazards, and therefore, the requirement for leak detection through sensors applies across all safety groups.

Understanding this standard is essential for compliance and safety in the refrigeration industry, ensuring proactive measures are taken to mitigate risks associated with different types of refrigerants.

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