New N-Generation high performance outdoor units

Date: 19 January 2019
New N-Generation high performance outdoor units
Mitsubishi Electric Trane HVAC US LLC (METUS), a supplier of Zoned Comfort Solutions and Variable Refrigerant Flow (VRF) heating and cooling systems, introduces CITY MULTI N-Generation outdoor units, a big advancement in VRF systems in a smaller package.

The new N-Generation high performance outdoor units deliver better energy efficiency and personalized comfort control to commercial building applications. The N-Generation features a footprint up to 30 percent smaller than previous models and offers more design flexibility due to improvements in vertical piping limits. The units include a four-sided heat exchanger delivering increased heating capacity within the reduced footprint. Quieter than ever before, the units feature an improved compressor and fan design with five airflow settings that vary the unit’s noise output.

N-Generation offers expanded system design options with vertical piping limits increased from 164 feet to 295 feet, and units available in 6- to 32-ton capacities. N-Generation heat recovery systems also feature new Branch Circuit (BC) controllers that allow connection of up to 11 sub-BC controllers connected to one main BC controller, greatly increasing system design possibilities. The new BC controllers also feature a height reduction and the incorporation of service access from the bottom.

“The N-Generation was developed to be a more effective and efficient heating and cooling solution for virtually any commercial application,” says Kevin Miskewicz, director, commercial product planning, Mitsubishi Electric Trane HVAC US. “With its operational and design flexibility improvements, building owners, facility managers and commercial specifiers will be pleased with the occupant comfort and energy efficiency achieved by incorporating CITY MULTI into HVAC designs.

N-Generation offers significant efficiency improvements. The combination of the new heat exchanger, compressor and fan design improve both nominal and seasonal efficiency levels by up to 27 percent over prior generations, even at part-load conditions. The unique flat tube aluminum heat exchanger ensures maximum heat transfer.

Flash injection compressor technology is now standard in N-Generation high efficiency models, offering up to 78 percent of rated heating capacity down to -13 degrees Fahrenheit outdoor ambient temperature.

Plus, the N-Generation offers simplified and faster troubleshooting and maintenance for HVAC contractors with built-in data storage, accessible via USB and easily downloaded onto Maintenance Tool, that stores up to five days of operational data.
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