The Frigidaire FS4BI is an iQ Drive central air conditioner which features an inverter-driven rotary compressor that provides fully variable speed operation. The inverter system allows the unit to run at 118% capacity to provide rapid cooling. The FS4BI has an efficiency rating of up to 25.5 SEER, while a compressor sound blanket and swept-wing fan blade help provide operating sound levels as low as 59 decibels. The unit also features a maintenance free, permanently lubricated motor and a field-installed liquid line filter drier. The galvanized steel cabinet has a polyester urethane coat finish and is rated to withstand a 950 hour salt spray test. The unit’s iQ Drive controller allows the user complete control of the system, with features including system monitoring, maintenance reminders and programmable comfort schedule.
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