Lub tshuab cua sov defrost yog ib qho tseem ceeb hauv lub voj voog defrost ntawm lub tub yees. Nws pab kom yaj tawm cov dej khov uas tuaj yeem ua rau ntawm cov evaporator coils hauv lub freezer seem ntawm koj lub tub yees. Yog tias tsis muaj cov cua sov defrost, cov dej khov tuaj yeem sib sau ua ke mus rau qhov chaw uas nws cuam tshuam rau kev ua haujlwm ntawm koj lub tub yees, ua rau cov khoom noj khoom haus tsis zoo thiab kev kho mob kim heev.
Defrost heaters ua haujlwm los ntawm kev siv hluav taws xob tiv thaiv hluav taws xob uas ua kom sov kom yaj cov dej khov. Nws feem ntau yog nyob ncaj qha rau hauv cov evaporator coils kom cov cua sov siv tau ncaj qha rau cov dej khov thiab cia cov dej ntws mus rau hauv lub lauj kaub ntws.
Muaj ob hom defrost heaters uas feem ntau pom nyob rau hauv lub tub yees: lub radiant rhaub thiab lub coil rhaub. Lub tshuab hluav taws xob radiant yog lub tiaj tiaj hlau uas muab tso rau hauv lub freezer compartment thiab feem ntau yog nyob rau hauv qab ntawm lub freezer seem. Lub tshuab rhaub coil, ntawm qhov tod tes, muaj ib lub kauj uas qhwv ib ncig ntawm cov evaporator coils thiab txuas ncaj qha mus rau lub ntsuas sov defrost.
Lub defrost thermostat ua haujlwm ua ke nrog lub tshuab cua sov kom tswj tau qhov kub thiab txias hauv lub freezer compartment. Thaum qhov kub thiab txias hauv lub tub yees txias poob qis dua ib theem, lub ntsuas cua sov defrost ua rau lub voj voog defrost, pib lub tshuab cua sov kom sov. Tom qab ntawd, cov dej khov uas tau tsim ntawm cov evaporator coils pib yaj, thiab cov dej ntws mus rau hauv lub lauj kaub ntws.
Nws yog ib qho tseem ceeb kom nco ntsoov tias tsis yog txhua lub tub yees muaj cov cua sov defrost. Compact tub yees, piv txwv li, tsis tas yuav muaj lawv. Tsis tas li ntawd, qee lub tub yees tshiab siv lwm txoj hauv kev ntawm defrosting, xws li kev hloov kho defrost systems, uas ua haujlwm los ntawm kev saib xyuas cov Frost buildup ntawm cov evaporator coils thiab defrosting raws li.
Hauv kev xaus, defrost heaters yog ib qho tseem ceeb hauv kev ua haujlwm zoo ntawm lub tub yees. Lawv ua haujlwm los ntawm melting cov dej khov rau ntawm cov evaporator coils, tiv thaiv cov khoom noj khoom haus tsis zoo, thiab zam kev kho nqi kim. Txawm hais tias tsis yog txhua lub tub yees muaj lawv, feem ntau ntawm lawv ua, thiab tsis muaj lawv, kev ua haujlwm zoo ntawm lub tub yees yog qhov txaus ntshai. Yog li, yog tias koj pom muaj teeb meem nrog koj lub fridge lub voj voog defrost, nws yog ib qho tseem ceeb uas yuav tsum tau kuaj xyuas los ntawm tus kws tshaj lij kom paub meej tias koj lub tshuab cua sov defrost ua haujlwm zoo.
