TBG R1234ze refrigerant Description Oil-free air/water chiller for outdoor installation. Suitable for air-conditioning for large-sized services in residential, commercial and industrial buildings. Cooling capacity: 200,00 ÷ 1 166,00 kW Outdoor installation Cooling only Centrifugal compressor Axial fan Shell and tube exchanger Lownoise version (Option) Network operation (Option) Compatible with ModBus protocol (Option) For two pipes plants