649HeatingIndoor temperature(°C, DB)16 18 20 21 22 24outdoortemperatureTC PI TC PI TC PI TC PI TC PI TC PIC, DB C,WB kW kW kW kW kW kW kW kW kW kW kW kW-14.7 -15 11.79 4.10 11.79 4.20 11.73 4.30 11.73 4.39 11.73 4.49 11.67 4.59-12.6 -13 12.02 4.10 12.02 4.21 11.96 4.33 11.96 4.40 11.96 4.53 11.90 4.65-10.5 -11 12.15 4.11 12.15 4.22 12.07 4.34 12.07 4.43 12.07 4.55 12.04 4.68-9.5 -10 12.49 4.17 12.49 4.24 12.45 4.35 12.45 4.45 12.45 4.56 12.39 4.74-8.5 -9.1 12.82 4.24 12.82 4.26 12.79 4.38 12.79 4.47 12.79 4.60 12.74 4.76-7 -7.6 13.35 4.32 13.35 4.34 13.31 4.42 13.31 4.49 13.31 4.61 13.23 4.81-5 -5.6 14.06 4.43 14.06 4.46 14.01 4.47 14.01 4.53 14.01 4.70 14.01 4.82-3 -3.7 14.73 4.52 14.73 4.55 14.67 4.56 14.67 4.58 14.67 4.74 14.61 4.850 -0.7 15.82 4.61 15.82 4.63 15.80 4.65 15.80 4.66 15.80 4.85 15.32 4.853 2.2 16.82 4.75 16.82 4.78 16.78 4.79 16.78 4.92 16.73 4.78 15.32 4.525 4.1 17.52 4.82 17.52 4.85 17.48 4.86 17.42 4.92 16.78 4.68 15.32 4.407 6 18.26 4.89 18.20 4.95 18.20 4.87 17.42 4.86 16.78 4.57 15.32 4.299 7.9 18.92 4.94 18.88 4.94 18.20 4.80 17.42 4.73 16.78 4.45 15.32 4.1711 9.8 19.58 5.00 19.52 4.86 18.20 4.64 17.42 4.57 16.78 4.30 15.32 4.0313 11.8 20.29 4.99 19.62 4.82 18.20 4.48 17.42 4.42 16.78 4.15 15.32 3.9415 13.7 20.90 4.98 19.62 4.72 18.20 4.42 17.42 4.28 16.78 4.18 15.32 3.87