1. Cov ntu thiab ntu ntawm cov evaporator yuav tsum sib sau ua ke kom raug, thiab yuav tsum tsis txhob muaj lub xoob, deformation thiab lwm yam tsis xws uas cuam tshuam rau kev siv.
2. Kev tiv thaiv txheej txheem thov rau qhov chaw thiab cov khoom siv ntawm cov evaporator yuav tsum ruaj, teeb tsa zoo nkauj, du, thiab tsis muaj qhov tsis xws luag xws li qeeb thiab xeb.
3. Lub tshuab evaporator thiab lub teeb tsa yuav tsum yooj yim rau nruab, thiab lub tshuab evaporator yuav tsis tuaj yeem cuam tshuam vim muaj kev cuam tshuam ntawm cov cua hauv kev siv ib txwm.
4. Cov Khoom Siv: ntsuas lub khob uas muaj nplai, dej thaiv dej, thaiv tus ncej, thaiv hlau npog npog (tiv thaiv noog cov dej haus, cov neeg siv tau xaiv)
