Abstract / scope
ISO 5151:2010 specifies the standard conditions for capacity and efficiency ratings of non-ducted air-cooled air conditioners and non-ducted air to air heat pumps. It is applicable to ducted units rated at less than 8 kW and intended to operate at an external static pressure of less than 25 Pa. ISO 5151:2010 also specifies the test methods for determining the capacity and efficiency ratings.