14 SEER Horizontal Discharge Heat Pump For Use With Ducted Indoor Unit - Environmentally Sound R410a Refrigerant1 1/2 - 5 Tons, 208/230 Volt, 1-Phase3 - 5 Tons, 208/230 Volt, 3-Phase3 - 5 Tons, 460 Volt, 3-PhaseREFRIGERATION CIRCUIT 14 - 16 SEER/11 - 13 EER/ 8.2 - 9.0 HSPF Scroll compressor Factory-supplied filter-drier High and Low pressure switches Line lengths up to 250 feet (76.2m) Accumulator EASY TO INSTALL AND SERVICE Small footprint Easy access service valves on all models Factory charged with R-410A refrigerant BUILT TO LAST Low ambient operation (down to -0-¦F/-17.8-¦C) Ball-Bearing Fan Motor