
186
20.3 Piping Length Correction Factor
The characteristic of the unit has to be corrected in accordance with the piping length.
20.3.1 CS-Z20VKR CU-Z20VKR CS-Z25VKR CU-Z25VKR CS-Z35VKR CU-Z35VKR
Cooling Capacity
Correction Factor
Pipe Length (m)
0.88
0.90
0.92
0.94
0.96
0.98
1.00
1.02
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21
Cooling Capacity
3 1.0119
5 1.0000
7 0.9792
10 0.9550
20 0.9085
Heating Capacity
Correction Factor
Pipe Length (m)
0.90
0.92
0.94
0.96
0.98
1.00
1.02
1.04
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21
Heating Capacity
3 1.0261
5 1.0000
7 0.9687
10 0.9465
20 0.9023
Note: The graphs show the factor after added right amount of additional refrigerant.