Unit name Number kW/each Brine pump 1 ~ 0.4 Compressor 1 (rfg) 1 ~ 5.5 Compressor 2 (rfg) 1 ~ 5.5 Compressor (frz) 1 ~ 1 Display case lighting 8 0.072 Room lighting 15 0.07 Rail heating   10 ~0.15 Fans (display cases) 23 0.038 Fans (rooms) 8 0.125 Defrosting 12 ~0.9 Fans (condenser) 3 0.125 Electronics 11 0,01 Table 8: Refrigeration/freezing system (kW/unit).