Frigidaire FT4BE Series, R-410A High Efficiency Heat Pump, 14 SEER. FT4BE Series now offers the choice of a heat pump that uses a more efficient and environmentally friendly refrigerant designated R-410A. The FT4BE Series of heat pumps offers exceptional performance. The unit, when combined with our engineered coils or air handlers, offers a full line of quality, split system cooling equipment. R-410A Refrigerant - Earth friendly non-ozone depleting refrigerant. Designed using galvanized steel - With a polyester urethane coat finish. The 950 hour salt spray finish resists corrosion 50% better than comparable units. Copper Tube / Aluminum Fin Coils - Both indoor and outdoor coils are designed to optimize heat transfer, minimize size and cost, and increase durability and reliability. Permanently Lubricated Motor - A heavy duty PSC motor for long lasting reliability and quiet operation. Requires no maintenance and is completely protected from rain and snow. Louvered Condenser Guard - Durable metal guard protects the coil from yard hazards and extreme weather. Removable Top Grille Assembly - Allows ease of service from the top without disconnecting fan motor leads. Swept-Wing Fan Blade - Designed to significantly reduce unwanted noise. High Pressure Switch - Protects against abnormally high system pressures. Auto-reset feature prevents nuisance service visits. Low Pressure Switch - Loss charge protection ensures long compressor life. Auto-reset feature prevents nuisance service trips. Liquid Line Filter Drier - Included with unit, field installed. One Piece Top/Orifice - Designed for maximum airflow and quiet operation. Five Minute Restart Time Delay - When the unit shuts down, a five minute delay keeps the unit from restarting, eliminating the highest cause for compressor failure. Easy Compressor and Control Access - Designed to make servicing easier for the contractor, access panels are provided to all controls and the compressor from the side of the unit. Composite Base Pan - Absorbs sound and is corrosion resistant. Composite is also stronger and lighter than steel.