Airwell YDAX-035H-09M25, Technical Manual

Page: 85 / 144

Specifications
 Page 85 
9. Capacity Correction Factor for Height Difference
Capacity (Btu/h)
12K
Pipe Length (m)
Cooling 5 10 20 25
Height difference
H (m)
Indoor Upper
than Outdoor
10 0.973 0.948 0.936
5 0.995 0.983 0.958 0.945
0 1.000 0.988 0.963 0.950
Outdoor Upper
than Indoor
-5 1.000 0.988 0.963 0.950
-10 0.988 0.963 0.950
Heating 5 10 20 25
Height
difference
H (m)
Indoor Upper
than Outdoor
10 0.993 0.978 0.970
5 1.000 0.993 0.978 0.970
0 1.000 0.993 0.978 0.970
Outdoor Upper
than Indoor
-5 0.992 0.985 0.970 0.962
-10 0.977 0.962 0.955
Capacity (Btu/h) 18K Pipe Length (m)
Cooling 5 10 20 30
Height difference
H (m)
Indoor Upper
than Outdoor
20 0.928 0.912
10 0.969 0.937 0.921
5 0.995 0.979 0.946 0.930
0 1.000 0.984 0.951 0.935
Outdoor Upper
than Indoor
-5 1.000 0.984 0.951 0.935
-10 0.984 0.951 0.935
-20 0.951 0.935
Heating 5 10 20 30
Height difference
H (m)
Indoor Upper
than Outdoor
20 0.982 0.976
10 0.994 0.982 0.976
5 1.000 0.994 0.982 0.976
0 1.000 0.994 0.982 0.976
Outdoor Upper
than Indoor
-5 0.992 0.986 0.974 0.968
-10 0.978 0.966 0.960
-20 0.959 0.953