Segment usage: Refrigeration LT; Refrigeration MT, Refrigerants: R744, Compressor power supply [V]: 400/3/50, Mandatory accessory: Module controller assembly (118U5498) is not included with the unit and must be ordered separately.Oil tank (LCA006A008) upon oil charge calculation method given inside application; Note that the use of AK-CC55 single coil and AKVP pulsating expansion valve are mandatories