LG Multi V water mini Series Installation Operation & Maintenance page 28

REFRIGERANT PIPING DESIGN
System Engineering
Figure 20: Coiled Expansion Loops and Offsets.
L
L
R
Large Tubing U-bend (>3/4 in.)
Table 14: Radii of Coiled Expansion Loops and Developed Lengths of Expansion Offsets.
Anticipated Linear
Expansion (LE) (in)
R
1
1/2
L
2
R
1
1
L
2
R
1
1-1/2
L
2
R
1
2
L
2
R
1
2-1/2
L
2
R
1
3
L
2
R
1
3-1/2
L
2
R
1
4
L
2
R = Centerline Length of Pipe.
1
L = Centerline Minimum Radius (inches).
2
28
L
L L
R
R
R
1/4 3/8
6 7
38 44
9 10
54 63
11 12
66 77
12 14
77 89
14 16
86 99
15 17
94 109
16 19
102 117
17 20
109 126
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
L
R
R
L
Loop
Nominal Tube Size (OD) inches
1/2 3/4
8 9
50 59
11 13
70 83
14 16
86 101
16 19
99 117
18 21
111 131
19 23
122 143
21 25
131 155
22 26
140 166
L
L
Small Tubing U-bend (<3/4 in.)
1 1-1/4
11 12
67 74
15 17
94 104
18 20
115 127
21 23
133 147
24 26
149 165
26 29
163 180
28 31
176 195
30 33
188 208
1-1/2
13
80
18
113
22
138
25
160
29
179
31
196
34
212
36
226