New Y-Series is Latest Addition to CITY MULTI®

Wednesday, November 10, 2004

Lawrenceville, Ga. - The latest addition to the CITY MULTI® line of Variable Refrigerant Flow Zoning (VRFZ) systems from Mitusbishi Electric HVAC, Lawrenceville, Ga., is the new Y-Series. This energy effective heat pump adds flexibility to and provides zoning options for CITY MULTI systems, according to Paul Doppel, brand manager.

"We had a very successful launch in 2003 with our R2-series, CITY MULTI's simultaneous VRFZ system. The Y-Series compliments that unit in being able to provide effective heating and cooling in areas that share the same needs or for applications that call for cooling only," says Doppel.

Using the Mitsubishi Electric Scroll Compressor with Inverter Technology, the Y-Series offers variable output, which is integral to keeping buildings at a comfortable tempurature for all occupants. The Y-Series shares the same variable capacity indoor units and simple DDC controls as the R2-Series, which includes the proprietary CITY MULTI Controls Network (CMCN).

The CMCN consists of consists of remote controllers, timers, system controllers, centralized controllers, Building Management System (BMS) interfaces and integrated software. The CMCN provides advanced, user-friendly control for each zone of a building with options for individual or centrallized temperature control.

As the Y-Series requires no ductwork, this makes for easier and faster installation, thus lowering installation costs, adds Little. Also, he says, because the system has the capacity to deliver the right amount of refrigerant to various areas of a building, the Y-Series is quite energy-efficient. The Y-Series also uses T-joints, manifolds and headers to distribute the refrigerant for synchronized cooling or heating.

The PUHY-80 model can be connected to up to 13 indoor units while the PUHY-100 model can be connected to up to 16 indoor units. Also, the Y-Series can distribute the capacity of the outdoor unit up to 130 percent and can be used as a supplement to the R2 Series. Both versions can be tied together using the exclusive G50 controller and monitored through the CITY MULTI Control Network (CMCN).

For more information about CITY MULTI and other Mitsubishi Electric HVAC products, please visit or call 800/687-1966.

About Mitsubishi Electric HVAC Advanced Products Division

With headquarters in Lawrenceville, Ga., Mitsubishi Electric HVAC Advanced Products Division is a leading marketer of intelligent air conditioning and heating technology, manufactured by its parent corporation, Mitsubishi Electric. The division was established in 1980 by Mitsubishi Electric & Electronics USA, Inc. to market Mr. Slim split-ductless air conditioning and heating systems in North America. Since then, the division has expanded its market distribution to include Latin America and the Caribbean.

The company's product line has also recently expanded to include CITY MULTI, compressors, PlasmaPure room air purification systems and a full line of accessories for the Mr. Slim line, including Line-Hide lineset covers. For more information on Diamond Alliance, CITY MULTI, Mr. Slim and the Mitsubishi Electric HVAC Advanced Products Division, call 800/687-1966 or visit or

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