3Model number nomenclatureARI* capacities COOLING CAPACITIES AND EFFICIENCIES50JZ 024Model No.50JZ – Single Package........ . Heat PumpNominal Cooling Capacity (Tons)024 – 2030 – 2-1/2036 – 3042 – 3-1/2048 – 4060 – 5UNIT50JZNOMINALTONSSTANDARDCFMNET COOLINGCAPACITIES(Btuh)SEER†SOUNDRATINGS‡(dB)024 2 800 24,000 12.0 72030 2-1/2 1000 29,000 12.0 72036 3 1200 36,000 12.0 77042 3-1/2 1400 41,000 12.0 73048 4 1600 47,500 12.0 79060 5 1750 58,000 12.0 79HEATING CAPACITIES AND EFFICIENCIESUNIT50JZHIGH HEAT CAPACITY(BTUH) @ 47°FHIGH HEAT COP@ 47°F‡LOW HEAT CAPACITY(BTUH) @ 17°F‡LOW HEAT COP@ 17°F‡ HSPF024 23,800 3.0 13,000 2.0 7.0030 28,200 3.0 15,600 2.0 7.1036 34,400 3.0 18,000 2.0 7.2042 40,000 3.0 22,000 2.0 7.2048 44,000 3.0 23,600 2.0 7.2060 55,000 3.0 31,000 2.0 7.23 0 1 BTOptions(None) – Wire GrilleAD – Louvered GrilleBT – Wire Grille and Vinyl-Coated CondenserCoil FinXT – Louvered Grille and Vinyl-Coated Con-denser Coil FinCC – Wire Grille, AL Evaporator and CU/CUCondenser CoilAC – Louvered Grille, AL Evaporator and CU/CU condenser CoilAU – Louvered Grille, CU/CU Evaporator andCondenser CoilsPackagingSeriesV-Ph-Hz3 – 208/230-1-605 – 208/230-3-606 – 460-3-60TTOptions- - – Louvered GrilleBT – Louvered Grille, AL indoorand vinyl-coated outdoor coil finCC – Louvered Grille, AL indoor andCU/CU outdoor coil.CU – Louvered Grille, CU/CU indoor andoutdoor coil.AL — AluminumCU — CopperLEGENDdB — Sound Levels (decibels)db — Dry BulbSEER — Seasonal Energy Efficiency Ratiowb — Wet BulbCOP — Coefficient of PerformanceHSPF — Heating Season Performance Factor* Air Conditioning & Refrigeration Institute.† Rated in accordance with U.S. Government DOE (Department ofEnergy) test procedures and/or ARI Standard 210/240-94.‡ Tested in accordance with ARI Standard 270-95 (not listed in ARI).NOTES:1. Ratings are net values, reflecting the effects of circulating fan heat.Ratings are based on:Cooling Standard: 80°F db, 67°F wb indoor entering-air tempera-ture and 95°F db outdoor entering-air temperature.2. Before purchasing this appliance, read important energy cost andefficiency information available from your retailer.