Akwai abubuwa guda biyu a cikin akwatin kafewar mota, daya shine tankin dumin iska, daya na'urar sanyaya iska, ruwan da ke cikin tankin ruwan mota yana da zafi, kwarara cikin tankin dumin iska, iskan da fanka ke kadawa shine dumi. iska, da kuma lokacin da ka bude refrigeration, da dumi iska tanki zai dakatar da ruwa, da kwandishan ya fara aiki, da compressor matsa lamba refrigerant cikin iska kwandishan, hurawa daga cikin yanayi sanyi iska.
Akwatin evaporation na mota injin mota ne da na'urar kwandishan mota. Aikin kwandon kwandishan na kwandishan mota shine don canza refrigerant daga ruwa zuwa iskar gas (watau evaporation), shafe zafi mai yawa a kusa da shi, sa'an nan kuma ƙananan zafin jiki da ƙananan tururi na refrigerant a cikin kwampreso, da sake zagayowar tsarin don cimma manufar ƙananan zafin jiki. A lokacin rani don samar da yanayi mai kyau na hawa ga mazauna, rage ƙarfin gajiyar direba, inganta amincin tuki.
