Igwe oyi na-ekpo ọkụ{{0} ngwa ngwa bụ ngwaọrụ nrụpụta nke na-eweda ọnọdụ okpomọkụ nke nri ngwa ngwa ka ọ ghara ịdị oyi, na-eme ka ọ gafee mpaghara nhazi kristal kachasị na obere oge, si otú a na-echekwa ogo nri. Ụkpụrụ ọrụ ya bụ isi na-adabere na nchịkwa okpomọkụ na nnyefe okpomọkụ convection. Nke mbụ, a na-edobe nri ahụ n'elu eriri ebu ma banye na gburugburu -okpomọkụ nke igwe na-ekpo ọkụ ngwa ngwa-. N'ime igwe, igwe refrigeration (na-ejikarị amonia ma ọ bụ Freon dị ka refrigerant) na-emepụta ikuku oyi. A na-amanye ikuku oyi a ka ọ na-ekesa site na onye fan, na-agbanwe okpomọkụ na elu nri ma wepụ okpomọkụ ngwa ngwa.
A na-achịkwa okpomọkụ nke igwe na-ajụ oyi ngwa ngwa{0} n'etiti - ogo 30 na -120 degrees , dabere n'ụdị nri yana ngwa ngwa {{9}friza chọrọ. Oge oyi{11} ngwa ngwa na-abụkarị nkeji 10{12}}25, na-ahụ na okpomọkụ nke nri na-agbada ngwa ngwa n'okpuru -18 ogo, na-egbochi ọrụ microbial nke ọma na ịgbatị ndụ shelf. Ihe ndị dị mkpa nke igwe na-ekpo ọkụ- na-agụnye ngwa nju oyi, evaporator, condenser, fan, na sistem njikwa. The evaporator na-amịkọrọ okpomọkụ site na nri, refrigeration compressor compresses obere{15}}okpomọkụ, obere{16}nrụgide refrigerant gas n'ime elu{17}}okpomọkụ, elu-nrụgide gas, na condenser na-ajụkwa elu okpomọkụ, elu-nrụgide gas n'ime a elu-nrụgide mmiri mmiri, compleger.
