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Rooftop Units Electric Heating/Electric Cooling Model Capacity (Tons) Efficiency 551B 3 - 12.5 551A 12, 15 551A 18 - 25 558F 15 - 25 558F 3 - 12.5* 558F 3 - 12.5 Standard 559F 15 - 25 Standard * Sizes 073, 091, 121 Rooftop Units Gas Heating/Electric Cooling Model Capacity (Tons) Efficiency 581B 3 - 12.5 581A 12, 15 581A 18 - 25 580F 15 - 25 580F 3 - 12.5 Standard 579F 12 - 25 Standard Rooftop Heat Pump Units Model Capacity (Tons) Efficiency 549B 3 - 10 542J 12.5, 15 548F 3 - 10 Standard Split System Condensing Units Model Capacity (Tons) ASHRAE 90.1 Compliant Description 569D 6 - 10 Yes Single Circuit, Hermetic Scrolls 576C 7.5 - 10 Yes Single Circuit, Semi-Hermetic 566D 12.5 - 20 - Single Circuit, Semi-Hermetic 576B 20 - 30 - single Circuit, Semi-Hermetic 576H 20 - 30 - Dual Circuit, Semi-Hermetic Split System Heat Pump Units Model Capacity (Tons) ASHRAE 90.1 Compliant Description 575B 6 Yes Single Circuit, Hermetic Scrolls 575C 7.5 - 10 Yes Single Circuit, Scroll Compressor 541A 15 - Single Circuit, Semi-Hermetic Split System Packaged Air Handlers Model Airflow (Cfm) Description Condensing Units 524A-B 2,400 - 12,000 DX Cooling Coil with TXVs 569D, 576C, 566D, 576H, 576B 524A-C 2,400 - 12,000 DX High-Capacity 4-Row Cooling Coil with TXVs 569D, 576C, 566D, 576H, 576B 524A-H 2,400 - 12,000 DX Cooling/Heat Pump Coil with TXVs and Check Valves 575B, 575C, 541A Indoor Packaged Products Model Capacity (Tons) Description 502A 2 - 5 Horizontal Packaged Indoor Electric Cooling/Electric Heating Unit
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