Height difference H
1 Indoor unit is higher than outdoor unit.
2 Indoor unit is lower than outdoor unit.
Indoor unit
Indoor unit
Connection pipe
Outdoor unit
Outdoor unit
Connection pipe
HEATING
Pipe length (m)
5 7.5 10 15 20 25
Height
difference H
(m)
1
Indoor unit is
higher than
outdoor unit.
15 - - - 0.972 0.945 0.919
10 - - 0.992 0.972 0.945 0.919
7.5 - 1.000 0.992 0.972 0.945 0.919
5 1.000 1.000 0.992 0.972 0.945 0.919
0 1.000 1.000 0.992 0.972 0.945 0.919
2
Indoor unit
is lower than
outdoor unit
-5 0.995 0.995 0.987 0.967 0.940 0.914
-7. 5 - 0.993 0.985 0.965 0.938 0.912
-10 - - 0.982 0.962 0.935 0.910
-15 - - - 0.957 0.930 0.905
COOLING
Pipe length (m)
5 7. 5 10 15 20 25
Height
difference H
(m)
1
Indoor unit is
higher than
outdoor unit.
15 - - - 0.955 0.937 0.922
10 - - 0.974 0.962 0.945 0.930
7.5 - 0.988 0.978 0.966 0.948 0.934
5 0.992 0.992 0.982 0.970 0.952 0.937
0 1.000 1.000 0.990 0.978 0.960 0.945
2
Indoor unit
is lower than
outdoor unit
-5 1.000 1.000 0.990 0.978 0.960 0.945
-7. 5 - 1.000 0.990 0.978 0.960 0.945
-10 - - 0.990 0.978 0.960 0.945
-15 - - - 0.978 0.960 0.945