EVR yakananga kana servo inoshanda solenoid valve yemvura, yekusveta, uye inopisa gasi mitsetse ine fluorinated refrigerants.
EVR mavharuvhu anopiwa akakwana kana sezvikamu zvakasiyana, kureva muviri wevharuvhu, coil uye flanges, kana zvichidikanwa, zvinogona kuodha zvakasiyana.