Airwell YEVFD Series, Service Manual

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(1) Correction factor for pipe length and drop.
In cooling
Drop
(m)
Single pipe length from the farthest outdoor unit to the farthest indoor unit(m)
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 175
50.0 0 0 0 0 0 0.902 0.881 0.86 0.838 0.815 0.792 0.77 0.748 0.726 0.719 0.698 0.669 0.650
40.0 0 0 0 0 0.93 0.902 0.881 0.86 0.838 0.815 0.792 0.77 0.748 0.726 0.719 0.698 0.669 0.650
30.0 0 0 0 0.95 0.93 0.902 0.881 0.86 0.838 0.815 0.792 0.77 0.748 0.726 0.719 0.698 0.669 0.650
20.0 0 0 0.97 0.95 0.93 0.902 0.881 0.86 0.838 0.815 0.792 0.77 0.748 0.726 0.719 0.698 0.669 0.650
10.0 0 0.99 0.97 0.95 0.93 0.902 0.881 0.86 0.838 0.815 0.792 0.77 0.748 0.726 0.719 0.698 0.669 0.650
0.0 1 0.99 0.97 0.95 0.93 0.902 0.881 0.86 0.838 0.815 0.792 0.77 0.748 0.726 0.704 0.682 0.660 0.650
-10.0 0 0.982 0.965 0.942 0.921 0.898 0.875 0.852 0.832 0.81 0.788 0.768 0.748 0.728 0.703 0.678 0.652 0.638
-20.0 0 0 0.96 0.938 0.915 0.892 0.871 0.85 0.828 0.806 0.782 0.76 0.738 0.716 0.701 0.675 0.644 0.625
-30.0 0 0 0 0.931 0.907 0.887 0.866 0.844 0.823 0.801 0.777 0.756 0.735 0.713 0.700 0.671 0.635 0.613
-40.0 0 0 0 0 0.900 0.882 0.861 0.839 0.818 0.797 0.772 0.751 0.730 0.708 0.698 0.668 0.627 0.600
In heating
Drop
(m)
Single pipe length from the farthest outdoor unit to the farthest indoor unit(m)
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 175
50.0 0 0 0 0 0 0.900 0.883 0.867 0.846 0.824 0.803 0.782 0.761 0.740 0.718 0.696 0.673 0.651
40.0 0 0 0 0 0.914 0.906 0.890 0.873 0.853 0.833 0.813 0.792 0.772 0.752 0.733 0.712 0.690 0.669
30.0 0 0 0 0.929 0.921 0.911 0.896 0.880 0.861 0.841 0.822 0.803 0.783 0.764 0.748 0.728 0.706 0.687
20.0 0 0 0.943 0.938 0.929 0.917 0.902 0.887 0.868 0.850 0.831 0.813 0.794 0.776 0.764 0.745 0.722 0.704
10.0 0 0.957 0.957 0.948 0.936 0.923 0.908 0.893 0.876 0.858 0.841 0.823 0.806 0.788 0.779 0.761 0.739 0.722
0.0 1 0.986 0.971 0.957 0.943 0.929 0.914 0.900 0.883 0.867 0.850 0.833 0.817 0.800 0.794 0.778 0.755 0.740
-10.0 0 0.986 0.971 0.957 0.943 0.929 0.914 0.900 0.883 0.867 0.850 0.833 0.817 0.800 0.794 0.778 0.755 0.740
-20.0 0 0 0.971 0.957 0.943 0.929 0.914 0.900 0.883 0.867 0.850 0.833 0.817 0.800 0.794 0.778 0.755 0.740
-30.0 0 0 0 0.957 0.943 0.929 0.914 0.900 0.883 0.867 0.850 0.833 0.817 0.800 0.794 0.778 0.755 0.740
-40.0 0 0 0 0 0.943 0.929 0.914 0.900 0.883 0.867 0.850 0.833 0.817 0.800 0.794 0.778 0.755 0.740
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