Makina oziziritsira madzi m'mafakitale ndi mtundu wa zida zoziziritsira madzi zomwe zimatha kupereka kutentha kosalekeza, pompopompo, komanso kuthamanga kosalekeza. Mfundo yake ndi kubaya madzi enaake mu thanki ndi kuziziritsa madzi kudzera mu firiji dongosolo la chiller, ndiye mpope madzi kusamutsa otsika madzi ozizira ku zipangizo kuti utakhazikika, ndipo madzi adzachotsa kutentha mu zipangizo, ndi kubwerera ku thanki madzi kuziziritsa kachiwiri. Kutentha kwa madzi ozizira kumatha kusinthidwa momwe kumafunikira