1 Indoor unit is upper than outdoor unit.
2 Indoor unit is under than outdoor unit.
Outdoor unit
Outdoor unit
Connection pipe
Indoor unit
Indoor unit
Connection pipe
HEATING
Pipe length (m)
5 7. 5 10 20 30 40 50
Height
difference H
(m)
Û
1
Indoor unit is
upper than
outdoor unit.
30 - - - - 0.978 0.968 0.958
20 - - - 0.988 0.978 0.968 0.958
10 - - 0.998 0.988 0.978 0.968 0.958
7.5 - 1.000 0.998 0.988 0.978 0.968 0.958
5 1.000 1.000 0.998 0.988 0.978 0.968 0.958
0 1.000 1.000 0.998 0.988 0.978 0.968 0.958
Û
2
Indoor unit is
under than
outdoor unit.
-5 0.998 0.995 0.993 0.983 0.973 0.963 0.953
-7.5 - 0.993 0.991 0.981 0.971 0.961 0.951
-10 - - 0.988 0.978 0.968 0.958 0.948
-20 - - - 0.968 0.958 0.949 0.939
-30 - - - - 0.949 0.939 0.929
COOLING
Pipe length (m)
5 7. 5 10 20 30 40 50
Height
difference H
(m)
Û
1
Indoor unit is
upper than
outdoor unit.
30 - - - - 0.871 0.837 0.803
20 - - - 0.921 0.886 0.851 0.816
10 - - 0.971 0.936 0.900 0.865 0.830
7.5 - 0.988 0.975 0.940 0.904 0.868 0.833
5 0.992 0.992 0.979 0.943 0.908 0.872 0.836
0 1.000 1.000 0.987 0.951 0.915 0.879 0.843
Û
2
Indoor unit is
under than
outdoor unit.
-5 1.000 1.000 0.987 0.951 0.915 0.879 0.843
-7.5 - 1.000 0.987 0.951 0.915 0.879 0.843
-10 - - 0.987 0.951 0.915 0.879 0.843
-20 - - - 0.951 0.915 0.879 0.843
-30 - - - - 0.915 0.879 0.843