Panasonic CS-E18SD3UAW service manual - Page 116

Piping Length Correction Factor

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18.3 Piping Length Correction Factor The characteristic of the unit has to be corrected in accordance with the piping length. 18.3.1 Cooling Capacity 18.3.1.1 CS-E9SD3UAW CU-E9SD3UA CS-12SD3UAW CU-12SD3UA Capacity Correction Factor 1.04 1.03 1.02 1.01 1.00 0.99 0.98 0.97 0.96 0.95 0 2 4 6 8 10 12 14 16 (6.6) (13.1) (19.7) (26.2) (32.8) (39.4) (45.9) (52.5) 3 (9.8) 5 (16.4) 7.5 (24.6) 10 (32.8) 15 (49.2) Pipe Length (m/ft) 18.3.1.2 CS-E18SD3UAW CU-E18SD3UA Capacity Correction Factor 1.02 1.01 1.00 0.99 0.98 0.97 0.96 0.95 0.94 0 5 10 15 20 25 (16.4) (32.8) (49.2) (65.6) (82.0) Pipe Length (m/ft) 30 35 (98.4) (114.8) 3 (9.8) 5 (16.4) 7.5 (24.6) 10 (32.8) 15 (49.2) 20 (65.6) 30 (98.4) Note: The graphs show the factor after added right amount of additional refrigerant. 1.0334 1.0212 1.0000 0.9855 0.9629 1.0159 1.0076 1.0000 0.9889 0.9800 0.9746 0.9516 116

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116
18.3 Piping Length Correction Factor
The characteristic of the unit has to be corrected in accordance with the piping length.
18.3.1
Cooling Capacity
18.3.1.1
CS-E9SD3UAW CU-E9SD3UA
CS-12SD3UAW CU-12SD3UA
0.95
0.96
0.97
0.98
0.99
1.00
1.01
1.02
1.03
1.04
0
2
(6.6)
(13.1)
(19.7)
(26.2)
(32.8)
(39.4)
(45.9)
(52.5)
4
6
8
10
12
14
16
Capacity Correction Factor
Pipe Length (m/ft)
3 (9.8)
1.0334
5 (16.4)
1.0212
7.5 (24.6)
1.0000
10 (32.8)
0.9855
15 (49.2)
0.9629
18.3.1.2
CS-E18SD3UAW CU-E18SD3UA
0.94
0.95
0.96
0.97
0.98
0.99
1.00
1.01
1.02
Capacity Correction Factor
0
5
(16.4)
(32.8)
(49.2)
(65.6)
(82.0)
(98.4)
(114.8)
10
15
20
25
25
35
30
Pipe Length (m/ft)
3 (9.8)
1.0159
5 (16.4)
1.0076
7.5 (24.6)
1.0000
10 (32.8)
0.9889
15 (49.2)
0.9800
20 (65.6)
0.9746
30 (98.4)
0.9516
Note: The graphs show the factor after added right amount of additional refrigerant.