A small household refrigerator contains less than 5 pounds of refrigerant. Which certification type covers recovering refrigerant from this small appliance?
a.Type I
b.Type III
c.Type II
d.No certification is required
解析
Type I certification covers servicing and disposing of small appliances, defined as products manufactured, charged, and hermetically sealed in a factory with 5 pounds or less of refrigerant. Type II covers high-pressure systems and Type III covers low-pressure systems, and certification is always required to recover refrigerant. A Universal certification would also qualify because it includes Type I.
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