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6.6.7
Sizing of lines for "LC" and "LC/HP" units
The recommended diameters for equivalent lengths up to 30 m are given below.
Recommended diameters for R410A for "LC" units - The thickness of the pipe must be compatible with the refri-
gerant used and with current regulations.
Equivalent length 10 m
Model
Gas
6
12
8
12
11
16
16
16
19
16
22
18
24
18
28
18
32
18
35
18
42
22
48
22
Recommended diameters for R410A for "LC/HP" units - The thickness of the pipe must be compatible with the
refrigerant used and with current regulations.
Equivalent length 10 m
Model
Gas
6
16
8
16
11
18
16
22
19
22
22
22
24
22
28
28
32
28
35
28
42
28
48
35
The above mentioned diameters were chosen in order to optimise the performance of the units, contempo-
raneously ensuring the proper operation at the permissible conditions and to contain the refrigerant charge
within reasonable limits.
40
Translation from original instructions
Equivalent length 20 m
Liquid
Gas
10
12
10
12
10
16
12
16
12
16
16
18
16
18
16
18
16
18
16
22
16
22
16
22
Equivalent length 20 m
Liquid
Gas
10
16
10
18
10
18
12
22
12
28
16
28
16
28
16
28
16
35
16
35
16
35
16
35
Equivalent length 30 m
Liquid
Gas
10
12
12
12
12
16
16
16
16
16
16
18
16
18
16
18
18
22
18
22
18
22
22
22
Equivalent length 30 m
Liquid
Gas
10
16
12
22
12
22
16
22
16
28
16
28
16
28
16
35
18
35
18
35
18
35
22
35
We reserve the right to make changes without any prior notice.
Liquid
12
12
16
16
16
16
16
18
18
18
22
22
Liquid
12
12
16
16
16
16
16
18
18
18
22
22
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