FRIZONIA REFRIGERACION-CLIMATIZACION, S.L. Has succesfully finalized the first stage of works consisting in to replace the water chiller units onboard the spanish army main vessel A/C Principe de Asturias (R11). The actual work, up to the complete replacement of the four chiller plants , has been of a great complexity because all the works has been made maintaining the operativity of the vessel. It has been necessary a complete dismounting of the units to be introduced onboard component by component and mounted again at working room.