13 seer single-packaged air conditioner and gas furnace system with puron (r-410a) refrigerant single and three phase 2-5 nominal tons (sizes 24-60) (60 pages)
Preferred 14 seer single--packaged air conditionerand gas furnace system with puron (r--410a) refrigerant single and three phase 1-1/2-5 nominal tons (sizes 018--060) (36 pages)