1) Mgbanwe mgbanwe ugboro na-emepụta ihe - ntụgharị ugboro ugboro DC nwere nnukwu usoro iwu ibu, nke nwere ike rụọ ọrụ nke ọma na ngwa ngwa mee ka ụlọ ahụ rute ọnọdụ okpomọkụ.Ngalaba ahụ nwere ike gbanwee ọsọ ọsọ nke compressor na moto na-akpaghị aka dịka mgbanwe dị na gburugburu ebe obibi iji gboo mkpa nke ụlọ dị iche iche.
2) nwere ọgụgụ isi mgbochi kefriza - na ndabere nke abụọ mgbochi kefriza na oyi, na ọgụgụ isi ọrụ ikpe na-agbakwunyere, na unit na-agbakwụnye na ọgụgụ isi mgbochi-na-echetara ọrụ ncheta, nke nwere ike n'ụzọ dị irè na-egbochi waterway si kefriza n'oge oyi.
3) Defrost nwere ọgụgụ isi - Ọ ga-eji amamihe kpee oge kacha mma iji defrost dị ka ezigbo oge n'èzí okpomọkụ, suction okpomọkụ, evaporative mgbali sensọ, ọ nwere ike ibelata oge defrost site 30%, na ịgbatị oge etiti site 6 awa, otú dị ka ịghọta ike ịzọpụta na oru oma kpo oku ala.
4) Teknụzụ njikwa okpomọkụ nke mmiri nwere ọgụgụ isi - Mgbe ejikọtara ya na thermostat nwere ọgụgụ isi, ngalaba ahụ nwere ike gbanwee ikuku mmiri na-akpaghị aka dabere na ọnọdụ okpomọkụ edobere n'ime ụlọ ahụ.Mgbe ọtụtụ ọnụ ụlọ na-edozi ọnọdụ okpomọkụ dị iche iche, enwere ike gbanwee okpomọkụ mmiri nke unit ahụ na-akpaghị aka ka ọ dị mkpa iji zere ibu akụkụ.Nke ahụ na-arụ ọrụ site na oriri ume dị elu, ịzọpụta ume na ịdị na-enwekwu gburugburu ebe obibi.