2.1 Kw Suntech 175 mono, Classic 200, Trace SW 4024 ( 15 years old but brand new out of sealed factory box Jan. 2015), Bogart Tri-metric, 700 ah @24 volt AGM battery bank. Plenty of Baja Sea of Cortez sunshine.
Without any information on what is actually powering the refrigerator, be it an inverter powered by a battery or whatever , it would be irreponsible to answer such an open ended question, without knowing the details, location ambient temperatures etcetra, these are factors which will determine sizing of array. . Only my opinion, FWIW