ISO 9459-1:1993, Solar heating -- Domestic water heating systems -- Part 1 : Performance rating procedure using indoor test methods

Establishes a uniform indoor test method for rating solar domestic water heating systems for thermal performance. Applies only to solar water heating systems designed solely to heat potable water to be supplied for domestic water usage. The test procedures described are applicable to systems of solar storage capacity of 0,6 m^3 or less.