Panels on unit are removable, allowing easy access to components for service. Parts list with exploded diagram clearly identifies components. ECM [electronically commutated motor] blower motor runs at low speed most of the time to maintain a consistent temperature, and the low fan speed delivers airflow at an exceptionally quiet level. The fan is designed so that even when it ramps up to medium or high speeds to meet load demands, operation remains remarkably quiet. Sleek unit mounts on interior wall as the only components on exterior of building are air intake, exhaust, and condensate drain. No refrigerant lines, charging, or brazing required. Two electric heaters built in for 16,100 Btuh integrated heat.
Source: ACHR News (a part of news report)