All condenser fan motors have inherent protection with an automatic reset. The scroll compressor is internally protected against power surges/over current and excessive temperature. Units are protected by both high and low pressure controls to ensure system running at normal working pressure. Equipped with single-phase protection (Phase Failure). With a IRT system, maintenance and service of each unit can be performed without shutdown of all units The Evaporator Units are available in ten nominal capacities (applications). It is possible to install on the floor or suspend from the ceiling and can be configured to fit almost any space and meet almost any duct requirement providing clean air to conditioned space low noise centrifugal fan and insulated gauge sheet metal ensures low-noise operation.