EPA 608 Type III case studies
EPA 608 Type III · Put your knowledge to work in context.
Section 608 Type III is one of the equipment-specific technician certifications issued under EPA regulations at 40 CFR Part 82, Subpart F, which implement Section 608 of the Clean Air Act. Under those rules, technicians who maintain, service, repair, or dispose of equipment that could release ozone-depleting refrigerants into the atmosphere must be certified, and since January 1, 2018 that requirement also reaches appliances containing most substitute refrigerants, including HFCs. The EPA 608 Type III case studies are 5 cases and about 2,314 words.
1R-123 Chiller Annual Leak Rate and Repair Deadline
A 400-ton R-123 centrifugal chiller provides comfort cooling for a 12-story office building. The appliance nameplate charge is 550 lb.
443 words, about 2 min2Disposal of a 750-lb R-11 Chiller
A hospital is decommissioning a 30-year-old R-11 centrifugal chiller with a nameplate charge of 750 lb. The chiller has been offline for three weeks, and the machine room is at 80°F.
486 words, about 2 min3Low-Pressure Chiller with Air Ingress and Frequent Purge Cycling
A 250-ton R-123 chiller serves a data center (comfort cooling). The charge is 400 lb.
462 words, about 2 min4Recordkeeping for Multiple Low-Pressure Appliances and Reclamation
A university central plant operates three low-pressure chillers: Chiller A uses R-11 (500 lb charge), Chiller B uses R-123 (350 lb), and Chiller C uses R-500 (200 lb). Over the past year, the technician recovered 45 lb of R-11 from Chiller A during a motor replacement, 30 lb of R-123 from Chiller B during a gasket repair, and 20 lb of mixed refrigerant from a damaged recovery cylinder.
439 words, about 2 min5Rupture Disc Release on an R-123 Chiller
A 400-ton R-123 low-pressure chiller (400 lb charge) has a rupture disc that burst, releasing refrigerant into the machine room. The room's refrigerant monitor alarms at 50 ppm.
484 words, about 2 min