Built-in filter rack and plug-in heater kit are available for ease of service. Circuit breakers are accessible from the front of the unit. One-inch cabinet insulation provides quiet operation. ECM motor provides ramp-up and ramp-down capabilities to further reduce sound levels.
Source: ACHR News (a part of news report)
http://www.hiross.org 海洛斯精密空调∕海洛斯机房空调
