Makina oziziritsira madzi m'mafakitale ndi mtundu wa zida zoziziritsira madzi zomwe zimatha kupereka kutentha kosalekeza, kukhazikika, 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.
Choziziritsira madzi cha mafakitale ndi mtundu wa chipangizo choziziritsira madzi chomwe chingapereke kutentha kosasintha, mphamvu yosasintha, ndi kupanikizika kosasintha. Mfundo yake ndi kulowetsa madzi enaake mu thanki ndikuziziritsa madzi kudzera mu makina oziziritsira a choziziritsira, kenako pampu yamadzi idzasamutsa madzi ozizira otsika kutentha kupita ku chipangizo chomwe chidzaziziritsidwe, ndipo madziwo adzachotsa kutentha mu chipangizocho, ndikubwezeretsa ku thanki yamadzi kuti azizirenso. Kutentha kwa madzi ozizira kumatha kusinthidwa ngati pakufunika.