6. CAPACITY COMPENSATION COEFFICIENT
COMPENSATION COEFFICIENT OF PIPE LENGTH
The tables give the compensation coecient of pipe length owing to installation position (pipe
length, height dierence). Pipe length and height dierence are the length and the height
dierence between outdoor unit and indoor unit.
z
Cooling
Pipe length
[ft. (m)]
17
(5)
25
(7.5)
66
(20)
98
(30)
131
(40)
164
(50)
197
(60)
230
(70)
262
(80)
295
(90)
328
(100)
361
(110)
394
(120)
Height
dierence
H
[ft. (m)]
outdoor
unit is
upper
than
Indoor
unit.
164
(50) - - - - - 0.888 0.866 0.842 0.820 0.805 0.783 0.761 0.739
131
(40) - - - - 0.916 0.894 0.872 0.849 0.827 0.809 0.787 0.765 0.743
98
(30) - - - 0.942 0.921 0.899 0.877 0.855 0.833 0.812 0.790 0.768 0.746
66
(20) - - 0.969 0.947 0.925 0.903 0.881 0.860 0.838 0.816 0.794 0.772 0.750
25
(7.5) - 0.998 0.972 0.950 0.928 0.906 0.884 0.862 0.840 0.818 0.796 0.774 0.752
17
(5) 0.999 0.999 0.973 0.951 0.929 0.907 0.885 0.863 0.841 0.819 0.797 0.775 0.753
0
(0) 1.000 1.000 0.974 0.952 0.930 0.908 0.886 0.864 0.842 0.820 0.798 0.776 0.754
outdoor
unit is
under
than
Indoor
unit
-17
(-5) 1.000 1.000 0.974 0.952 0.930 0.908 0.886 0.864 0.842 0.820 0.798 0.776 0.754
-25
(-7.5) - 1.000 0.974 0.952 0.930 0.908 0.886 0.864 0.842 0.820 0.798 0.776 0.754
-66
(-20) - - 0.974 0.952 0.930 0.908 0.886 0.864 0.842 0.820 0.798 0.776 0.754
-98
(-30) - - - 0.952 0.930 0.908 0.886 0.864 0.842 0.820 0.798 0.776 0.754
-131
(-40) - - - - 0.930 0.908 0.886 0.864 0.842 0.820 0.798 0.776 0.754
z
Heating
Pipe length
[ft. (m)]
17
(5)
25
(7.5)
66
(20)
98
(30)
131
(40)
164
(50)
197
(60)
230
(70)
262
(80)
295
(90)
328
(100)
361
(110)
394
(120)
Height
dierence
H
[ft. (m)]
outdoor
unit is
upper
than
Indoor
unit.
164
(50) - - - - - 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
131
(40) - - - - 0.991 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
98
(30) - - - 0.994 0.991 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
66
(20) - - 0.997 0.994 0.991 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
25
(7.5) - 1.000 0.997 0.994 0.991 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
17
(5) 1.000 1.000 0.997 0.994 0.991 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
0
(0) 1.000 1.000 0.997 0.994 0.991 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
outdoor
unit is
under
than
Indoor
unit
-17
(-5) 1.000 1.000 0.997 0.994 0.991 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
-25
(-7.5) - 1.000 0.997 0.994 0.991 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
-66
(-20) - - 0.997 0.994 0.991 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
-98
(-30) - - - 0.994 0.991 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
-131
(-40) - - - - 0.991 0.989 0.987 0.984 0.981 0.978 0.975 0.972 0.970
- (02 - 27) -
MODEL
SELECTION
MODEL
SELECTION