Samsung AM AXV Series Installation Manual page 20

Refrigerant pipe installation
H/R
When all the following conditions are met, install the main liquid pipe that is one step smaller to reduce piping load and the amount of
refrigerant.
Note that the refrigerant for the main liquid pipe must be added by the specified amount upon reduction.
Condition 1: In case the length for vertical piping is less than 40 m
Condition 2: Max. length A ≥ Max. pipping length/{1 - (vertical piping length * 0,015)}
※ Max. piping length: Piping length between the outdoor unit and the farthest indoor unit (m)
• Length allowed to reduce the diameter of liquid pipe, A (equivalent length)
• When piping is installed with reduction of the diameter of liquid pipe, Please set option 'reduction of the diameter of liquid pipe' .
Below 90 m
Capacity
(HP) Pipe
diameter
8 This capacity is not supported.
10 This capacity is not supported.
9.52
12
9.52
14
9.52
16
18 12.7
20 12.7
22 12.7
24 12.7
26 15.88
28 15.88
30 15.88
32 15.88
34 15.88
36 15.88
38 15.88
40 15.88
42 15.88
44 15.88
46 15.88
48 15.88
50 15.88
52 15.88
e.g. In case of the site for 20HP, Max. piping length of 140 m (Horizontal piping length of 120 m & Vertical piping length of 20 m):
Max. length A ≥ Max. piping length/{1 - (Vertical piping length * 0.015)}
200 m ≥ 140 m/{1 - (20 * 0.015)} = 140 m/0.7 = 200 m
Thus, the Max. piping length of 140 m (Horizontal piping length of 120 m & Vertical piping length of 20 m) can be allowed.
Accordingly, horizontal piping of 120 m + vertical piping of 20 m (140 m in total) can be installed.
20
English
Over 90m
Max. Pipe Max.
length (m) diameter length (m)
50 12.7 200
190
40 12.7
30 12.7 150
90
15.88 200
90
15.88 200
80 15.88 200
70 15.88 200
90 19.05
200
90 19.05
200
90 19.05
200
90 19.05
200
90 19.05
200
90 19.05
200
90 19.05
200
19.05
80 200
19.05
70 200
19.05
70 200
19.05
60 180
19.05
60 170
19.05
50 150
19.05
50 140
Below 90 m
Capacity
(HP) Pipe Max.
diameter length (m)
54 15.88 40
56 15.88 40
58 15.88 40
60 15.88 40
19.05 90
62
19.05 90
64
19.05 90
66
19.05 90
68
19.05
70 80
19.05
72 80
19.05
74 70
19.05
76 70
19.05
78 70
19.05
80 60
19.05
82 60
19.05
84 60
19.05
86 50
19.05
88 50
90 19.05
50
92
This capacity is not supported.
94
This capacity is not supported.
96
This capacity is not supported.
98
This capacity is not supported.
Over 90m
Pipe Max.
diameter length (m)
19.05
130
19.05
120
19.05
120
19.05
110
22.22 200
22.22 200
22.22 200
22.22 200
190
22.22
22.22 180
22.22 170
22.22 160
22.22 150
22.22 150
22.22 140
22.22 130
22.22 130
22.22 120
22.22 120