Pentair's McLean brand Spectracool Indoor and Outdoor Air Conditioners feature a filterless, energy-efficient design

Pentair Technical Products McLean brand Spectracool Indoor and Outdoor Air Conditioners are engineered to deliver cooling to electronics within enclosures. The air conditioners feature a dust-resistant treated coil, which is designed to support filterless operation in most environments. Spectracool Air Conditioners provide 4,000, 6,000, 8,000, 12,000 and 20,000 BTUs/Hr. (1,172, 1,758, 2,300, 3,500 and 5,900 Watts) of cooling and operate on 115, 230 or 400/460 three-phase AC volt power input.

The filterless option is engineered to reduce clogging. Spectracool Air Conditioners also feature rotary compressors, which are designed to be more energy efficient than reciprocating compressors and re-start under pressure without causing damage. Plus, the air conditioners use R134A earth-friendly refrigerant.

Dual impellers — which pull air into the front of the unit and direct the air upwards in a 90° angle for the most direct air path — are engineered to provide redundancy on the condenser side. An integrated active condensate evaporator provides a method of removing condensation without the need for a drain tube, and a thermal expansion valve can increase or decrease the refrigerant flow according to load changes on the evaporator.

An outdoor package enclosure heater option provides the ability to operate in temperatures as low as -40° C, and a mechanical thermostat on the enclosure side features a digital display for visual performance monitoring.

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