Performance of Heat Pump Air Conditioning with R1234ze (HFO) as a Refrigerant

Figure 9

log (p)-h diagrams of R1233zd (E) and R1336mzz (Z) at 130°C condensation and 60°C evaporation temperature for internal heat exchanger (IHX), where I = 5 K at compressor input and outlet) and 70 K lift are used to simulate the operation of a heat pump system [18].