Carrier K WPG4 Series Installation Instructions Manual page 6
13.4 seer2 single-packaged air conditioner and gas furnace system with r-410a refrigerant single phase 2-5 nominal tons (sizes 24-60) three phase 3-5 nominal tons (sizes 36-60)
15.2+ seer2 2-stage packaged air conditioner and gas furnace system with r-410a refrigerant single and three phase 2-5 nominal tons sizes 24-60 (61 pages)
