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Table of the maximum lengths for refrigerant connections
The tables below show the permitted lengths for the pipers and the corresponding maximum height difference.
The values in the tables show the reduction in cooling capacity as compared to the nominal capacity as a percentage.
X 5 + CL2 28 / 3/8" liquid line, 5/8" gas line
X 8 + CL2 28 / 3/8" liquid line, 5/8" gas line
Total length (m)
Height difference (m)
6
20
30
Total length (m)
Height difference (m)
6
20
30
40
50
0
0
-6
-9
0
0
-3
-5
-7
-9
5
0
-6
-9
10
-
-3
-5
-7
-9
10
-
-6
-
20
-
-3
-5
-7
-9
30
-
-
-5
-7
-9
X 10 + CL35 / 3/8" liquid line, 3/4" gas line
Total length (m)
Height difference (m)
6
20
30
40
50
0
0
-2
-4
-6
-8
10
-
-2
-4
-6
-8
20
-
-2
-4
-6
-8
30
-
-
-4
-6
-8
X 12 + CL2 35 / 3/8" liquid line, 3/4" gas line
X 15 + CL2 50 / 3/8" liquid line, 3/4" gas line
Total length (m)
Height difference (m)
6
20
30
40
50
Total length (m)
Height difference (m)
6
20
30
40
50
0
0
-2
-4
-6
-8
0
0
-2
-4
-6
-8
10
-
-2
-4
-6
-8
10
-
-2
-4
-6
-8
20
-
-2
-4
-6
-8
20
-
-2
-4
-6
-8
30
-
-
-4
-6
-8
30
-
-
-4
-6
-8
X 19 + CL2 65 / 3/8" liquid line, 7/8" gas line
X 24 + CL2 75 / 1/2" liquid line, 7/8" gas line
Total length (m)
Height difference (m)
6
20
30
40
50
Total length (m)
Height difference (m)
6
20
30
40
50
0
0
-4
-5
-6
-7
0
0
-2
-3
-4
-5
5
0
-4
-5
-6
-7
10
-
-2
-3
-4
-5
10
-
-4
-5
-6
-
20
-
-2
-3
-4
-5
20
-
-4
-5
-
-
30
-
-
-3
-4
-5
X 31 + 2 x CL50 / 2 x 3/8" liquid line, 2 x 3/4" gas line
X 36 + 2 x CL65 / 2 x 3/8" liquid line, 2 x 7/8" gas line
Total length (m)
Height difference (m)
6
20
30
40
50
Total length (m)
Height difference (m)
6
20
30
40
50
0
0
-5
-7
-8
-9
0
0
-4
-5
-6
-7
10
-
-5
-7
-8
-9
10
-
-4
-5
-6
-7
20
-
-5
-7
-8
-9
20
-
-4
-5
-
-
25
-
-
-7
-8
-
X 38 + 2 x CL2 65 / 2 x 3/8" liquid line, 2 x 7/8" gas line
X 48 + 2 x CL2 75 / 2 x 1/2" liquid line, 2 x 7/8" gas line
Total length (m)
Height difference (m)
6
20
30
40
Total length (m)
Height difference (m)
6
20
30
40
50
0
0
-4
-5
-6
0
0
-5
-7
-8
-9
10
-
-4
-5
-6
10
-
-5
-7
-8
-9
20
-
-4
-5
-
20
-
-5
-7
-8
-9
30
-
-
-7
-8
-
6 - CONNECTIONS
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