Hais txog qhov tsis txaus ntawm cov cua txias tsis txaus ntawm kev tawg-pov thawj cua txias yuav tsum muaj kev tshuaj xyuas zoo txog qhov ua rau thiab kev txhim kho cov tswv yim rau kev daws teeb meem. Cov cua txias uas tawg-pov thawj siv ntau txoj kev ua kom txias, nrog vapor compression tub yees yog qhov nrov tshaj plaws. Txoj kev no, uas ua kom txias los ntawm cov kua evaporation, tso siab rau plaub yam tseem ceeb: ib compressor, condenser, throttling ntaus ntawv, thiab evaporator.
Cov kws kho mob feem ntau kuaj xyuas ntau yam kev ua txhaum hauv cov tshuab cua tawg-pov thawj raws li lawv qhov kev paub dhau los. Txawm li cas los, ntau qhov teeb meem tuaj yeem ua rau txias tsis txaus, xav tau kev txheeb xyuas cov hauv paus ntsiab lus rau kev daws teeb meem zoo.
Lub voj voog lub tub yees txoj kev ua tau zoo hinges ntawm lub xeev tub yees hloov pauv hauv qhov kaw kaw suav nrog compression, condensation, throttling, thiab cov txheej txheem evaporation. Kev txheeb xyuas qhov hloov pauv hauv lub xeev tub yees yog qhov tseem ceeb rau kev txheeb xyuas lub hauv paus ntawm kev ua kom txias tsis muaj peev xwm thiab tsim kom muaj kev daws teeb meem txhim khu kev qha.
Cov cua txias tsis zoo tuaj yeem tshwm sim los ntawm ntau yam, feem ntau categorized rau sab hauv thiab sab nraud. Sab nraud yam encompass ib puag ncig tej yam kev mob thiab cov machinery, thaum lub hauv paus tseem ceeb muaj feem xyuam nrog cov tub yees. Comprehensive diagnostics, suav nrog saib xyuas cov xwm txheej ua haujlwm, suab, kub, thiab hluav taws xob tam sim no, yog qhov tseem ceeb rau kev saib xyuas kom zoo. Saib xyuas condensation, frosting, thiab kev tso tawm ntawm cov dej condensed muab kev nkag siab rau hauv lub tub yees qhov txaus, qhia txog kev daws teeb meem thiab kho cov tswv yim raws li vapor cycle refrigeration cov hauv paus ntsiab lus thiab cov kev hloov hauv lub xeev cov tub yees.