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21.3 Piping Length Correction Factor
The characteristic of the unit has to be corrected in accordance with the piping length.
21.3.1 CS-Z20VKEW CU-Z20VKE CS-Z25VKEW CU-Z25VKE CS-Z35VKEW CU-Z35VKE
CS-Z42VKEW CU-Z42VKE CS-XZ20VKEW CU-Z20VKE CS-XZ25VKEW CU-Z25VKE
CS-XZ35VKEW CU-Z35VKE
Cooling Capacity
Correction Factor
Pipe Length (m)
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
Heating Capacity
Correction Factor
Pipe Length (m)
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
0.90
0.92
0.94
0.96
0.98
1.00
1.02
1.04
Note: The graphs show the factor after added right amount of additional refrigerant.
Cooling Capacity
3
1.0119
5
1.0000
7
0.9792
10
0.9650
15
0.9429
Heating Capacity
3
1.0261
5
1.0000
7
0.9687
10
0.9465
15
0.9237
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