Carrier K WPG4 Series Installation Instructions Manual page 29
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)
Superheat charging table is derived from optimum performance point. (95°F [35°C] outdoor ambient and (80°F [27°C] dry bulb; 67°F [19°C] wet bulb indoor condition.) Where a dash (-) appears do not attempt to check charge
or charge unit under these conditions using the superheat method. (Weigh in method should be used.)
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)