Firiji compressor unit ili ndi zigawo zinayi zazikulu: refrigeration compressor, condenser, cooler ndi solenoid valve, komanso olekanitsa mafuta, mbiya yosungiramo madzi, galasi loyang'ana, valavu yamanja ya diaphragm, fyuluta yobwerera ndi zina.
Timayang'ana kwambiri mapangidwe, chitukuko, kupanga,
kugulitsa ndi kukonza zida zosiyanasiyana zozizira mwachangu komanso zida zopangira chakudya.