What is the maximum allowable factory charge of refrigerant for Type 1 appliances?

The maximum allowable factory charge of refrigerant for Type 1 appliances is indeed 5 pounds. Type 1 appliances include small appliances that are typically designed to use less refrigerant, and regulations are in place to ensure safe handling and management of refrigerants. The limit of 5 pounds ensures that the system remains manageable and poses a lower risk in terms of leaks and environmental impact.

This regulation helps distinguish Type 1 appliances from larger systems, where different rules and guidelines apply, reflecting the need for a more stringent approach to larger quantities of refrigerants in more complex systems. It's vital for those working with refrigeration systems to be aware of these classifications and limitations to comply with safety and environmental standards.