PAD4 Series E and WPA4 Series B 14 SEER Single Package Air Conditioner System with R-410A Refrigerant Single Phase 2-5 Nominal Tons and Three Phase 3-5 Tons (Sizes 36-60) Installation Instructions PAD4 Series E and WPA4 Series B 14 SEER Single Package Air Conditioner System with R-410A Refrigerant Single Phase 2-5 Nominal Tons and Three Phase 3-5 Tons (Sizes 36-60) Installation Instructions