Chifukwa chiyani ma chiller amafakitale sagwiritsa ntchito mavavu opukutira pamanja? Kodi nchiyani chabwino pa valavu yowonjezera yowonjezera?

Buku valavu fulumizitsa, pano iotentha otentha, palibe ntchito yamagetsi yamagetsi. Buku lamagetsi lamagetsi limafunikira kugwira ntchito pamanja. Itha kugwiritsidwa ntchito pama evaporator onyowa komanso owuma. Bungweli liyenera kukhazikitsa woyang’anira wodzipereka kuti asinthe mayendedwe molingana ndi momwe amasinthira. Iyi ndiyo njira yogwiritsira ntchito yotchedwa valve valve. Chifukwa chake, sioyenera makina azizilala amakono omwe amafunika kuti azizungulira. Ma valve okulitsa amagwiritsidwa ntchito kwambiri m’mafiller amakono amakono.

Amagwiritsidwa ntchito makamaka m’ma fluorine monga R12, R22 ndi R134a. Ndi chida choyenera kwambiri chosunthira mufiriji momwe Freon imagwiritsidwira ntchito ngati firiji. Kodi valavu yowonjezera yowonjezera ikutanthauza chiyani? Monga dzinalo limatanthawuzira, valavu yowonjezera yowonjezera imayang’anira kutsegula ndi kutseka kwa valavu yowonjezera kudzera kutentha. Gawo lowonera kutentha kwakukula kwamatenthedwe limayikidwa pambuyo pa evaporator, kuti kutentha kwa mpweya wamafriji wopangidwa kuchokera ku evaporator kudutsike, kenako Sankhani mtundu wotseguka ndi wotseka gawo lomwe likugwedezeka liyenera kukhala nalo.

M’malo mwake, vavu wokulitsa wamafuta ndiye mtundu wamagwiritsidwe wokulirapo, ndipo ndi mtundu wa vavu wokulitsa wokhala bata. Kugwiritsa ntchito kwake kulinso kotsika kwambiri. Komabe, mavavu owonjezera amadzimadzi amagawidwanso m’magulu osiyanasiyana, kuphatikiza mawonekedwe amkati. Ndi mitundu ina, momwe ntchito imagwiritsidwira ntchito ndiyosiyana. Kwa ma chiller ang’onoang’ono, kugwiritsa ntchito valavu yowonjezera yowonjezera matenthedwe imatha kukwaniritsa zofunikira za evaporator ndi chiller chonse, ndipo imapulumutsanso kupanga. Kuphatikiza pa mtengo wopangira, mtengo ndi mtengo wamagetsi wokulirapo wamafuta wokulirapo ndi wotsika.