Bitzer K073HB water-cooled condensing unit Kompresor ÿ ÿ SI IP Weight 11, 5 kg 25 lb Total width 622 mm 24, 5' Total height 184 mm 7, 2' Jacket tube diameter 108 mm 4, 3' Refrigerant inlet 12 mm - 1/ 2' 12 mm - 1/ 2' Refrigerant outlet 10 mm - 3/ 8' 10 mm - 3/ 8' Alternative refrigerant outlet -- -- Coolant inlet ( 2 passes) 2 x 1/ 2' 3 x 1/ 2' Coolant outlet ( 2 passes) 3/ 4' 3/ 4' Coolant inlet ( 4 passes) 1/ 2' 1/ 2' Coolant outlet ( 4 passes) 1/ 2' 1/ 2' Receiver volume refrigerant 3, 4 dm3 119, 7 fl.oz. Max. refrigerant charge 90% at 20° C R22 3, 7 kg 8, 2 lb R134a 3, 8 kg 8, 4 lb R407C 3, 5 kg 7, 7 lb R404A / / R507A 3, 3 kg 7, 3 lb Larger inlet connection 16 mm - 5/ 8' 16 mm - 5/ 8' Larger outlet connection -- -- Adapter for pressure relief valve -- -- 2 fixing rails ( above) Option Option 2 fixing rails ( below) Standard Standard