Outdoor air system

Finalist in HVAC/R in Consulting-Specifying Engineer's 2011 Product of the Year competition

By Edited by Gust Gianos, Consulting-Specifying Engineer May 13, 2011

The City Multi VRF dedicated outdoor air system (DOAS) by Mitsubishi Electric supplies outdoor ventilation air to a building independent of the HVAC air distribution or conditioning system. The DOAS preconditions outside air for introduction into downstream HVAC units, lessening the load on HVAC systems; and accepts 100% outside air at temperatures ranging from -4 F to 109 F wet-bulb temperature, preconditioning up to 1,200 cfm of air for introduction into downstream HVAC units. The DOAS has line lengths of up to 541 ft one way, and can be connected to Mitsubishi Electric VRF outdoor units.


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