Bitzer K573HB water-cooled condensing unit Kompresor ÿ ÿ Weight 63 kg 139 lb Total width 1213 mm 47, 8' Total height 377 mm 14, 8' Jacket tube diameter 216 mm 8, 5' Refrigerant inlet 35 mm - 1 3/ 8' 35 mm - 1 3/ 8' Refrigerant outlet 28 mm - 1 1/ 8' 28 mm - 1 1/ 8' Alternative refrigerant outlet 1 3/ 4' - 12 UNF 1 3/ 4' - 12 UNF Coolant inlet ( 2 passes) 2' 2' Coolant outlet ( 2 passes) 2' 2' Coolant inlet ( 4 passes) 1 1/ 4' 1 1/ 4' Coolant outlet ( 4 passes) 1 1/ 4' 1 1/ 4' Receiver volume refrigerant 29, 4 dm3 1034, 7 fl.oz. Max. refrigerant charge 90% at 20° C R22 32, 0 kg 70, 5 lb R134a 32, 4 kg 71, 4 lb R407C 30, 7 kg 67, 7 lb R404A / / R507A 28, 3 kg 62, 4 lb Larger inlet connection -- -- Larger outlet connection 35 mm - 1 3/ 8' 35 mm - 1 3/ 8' Adapter for pressure relief valve Option Option 2 fixing rails ( above) Option Option 2 fixing rails ( below) Standard Standard