Fujitsu AOU18RLXFWH, Design & Technical Manual

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6. Capacity compensation rate for pipe length and height
difference
Height difference H
Indoor unit is higher than outdoor unit
*
1
Indoor unit is lower than outdoor unit
*
2
Indoor unit
Indoor unit
Connection pipe
Outdoor unit
Outdoor unit
Connection pipe
H H
6-1. Models: AOU18RLXFWH and AOU24RLXFWH
NOTE: Values mentioned in the table are calculated based on the maximum capacity.
COOLING
Pipe length
m
5 7.5 10 20 30 40 50
ft 16 24 32 65 98 131 164
Height difference H
Indoor unit is higher than
outdoor unit *1
30 98 - - - - 0.932 0.929 0.924
20 65 - - - 0.945 0.947 0.945 0.940
10 32 - - 0.984 0.961 0.963 0.960 0.956
7.5 24 - 0.988 0.988 0.965 0.967 0.964 0.959
5 16 0.992 0.992 0.992 0.968 0.971 0.968 0.963
0 0 0.998 1.000 1.000 0.976 0.979 0.976 0.971
Indoor unit is lower than outdoor
unit *2
-5 -16 0.998 1.000 1.000 0.976 0.979 0.976 0.971
-7.5 -24 - 1.000 1.000 0.976 0.979 0.976 0.971
-10 -32 - - 1.000 0.976 0.979 0.976 0.971
-20 -65 - - - 0.976 0.979 0.976 0.971
-30 -98 - - - - 0.979 0.976 0.971
HEATING
Pipe length
m 5 7.5 10 20 30 40 50
ft 16 24 32 65 98 131 164
Height difference H
Indoor unit is higher than
outdoor unit *1
30 98 - - - - 0.816 0.756 0.686
20 65 - - - 0.872 0.816 0.756 0.686
10 32 - - 0.991 0.872 0.816 0.756 0.686
7.5 24 - 1.000 0.991 0.872 0.816 0.756 0.686
5 16 0.986 1.000 0.991 0.872 0.816 0.756 0.686
0 0 0.986 1.000 0.991 0.872 0.816 0.756 0.686
Indoor unit is lower than outdoor
unit *2
-5 -16 0.981 0.995 0.986 0.868 0.812 0.752 0.683
-7.5 -24 - 0.993 0.983 0.866 0.810 0.750 0.681
-10 -32 - - 0.981 0.864 0.808 0.748 0.679
-20 -65 - - - 0.855 0.799 0.740 0.672
-30 -98 - - - - 0.791 0.733 0.665
DESIGN & TECHNICAL MANUAL
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OUTDOOR UNIT AOU18, 24RLXFWH