Ukwehluleka kweyunithi yangaphandle ye-air conditioner engaqhumi ukuncibilika kungase kubangelwe izici ezimbalwa.: inzwa yokuncibilika engaphandle engasebenzi kahle, i-jam yangaphakathi ku-valve yezindlela ezine ezihlehlisayo, noma izinga lokushisa alikakafinyeleli embundwini odingekayo wokuncibilika.