packo ice water system

Hello all,
I have packo ice bank( Evaporator) without condensing unit (cooling unit) and no nameplate on this evaporator, i like to fixed Bitzer condensing unit what shall i do?
ice bank measuring (L*W*H)(mm) 216*168.5*114
please see attached picture

Regards&Thanks

Check capacity of Thermostatic expansion valve or valves, and work back from there. Refrigerant and capacity.