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 - - - 0.964 0.939 0.913
10 - - 0.988 0.964 0.939 0.913
7.5 - 1.000 0.988 0.964 0.939 0.913
5 1.000 1.000 0.988 0.964 0.939 0.913
0 1.000 1.000 0.988 0.964 0.939 0.913
2
Indoor unit
is lower than
outdoor unit
-5 0.995 0.995 0.983 0.959 0.934 0.908
-7. 5 - 0.993 0.981 0.957 0.932 0.907
-10 - - 0.978 0.954 0.930 0.904
-15 - - - 0.950 0.925 0.899
COOLING
Pipe length (m)
5 7. 5 10 15 20 25
Height
difference H
(m)
1
Indoor unit is
higher than
outdoor unit.
15 - - - 0.977 0.968 0.953
10 - - 0.986 0.985 0.976 0.960
7.5 - 0.988 0.990 0.989 0.980 0.964
5 0.992 0.992 0.994 0.993 0.984 0.968
0 1.000 1.000 1.002 1.002 0.992 0.976
2
Indoor unit
is lower than
outdoor unit
-5 1.000 1.000 1.002 1.002 0.992 0.976
-7. 5 - 1.000 1.002 1.002 0.992 0.976
-10 - - 1.002 1.002 0.992 0.976
-15 - - - 1.002 0.992 0.976