Nor-Lake 10X19X8-7 Fast-Trak Indoor Walk-In Box Only Box Only

Split pak manual - Page 20

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6/21 57-02611 / 101628 ©2021, Refrigerated Solutions Group. All rights reserved. 20
Table 8. Recommended Line Sizes for R-407*
Capacity
BTUH
Suction Line Size
Liquid Line Size
Suction Temperature
Receiver to Expansion
Valve Equivalent Lengths
+40˚F
Equivalent Lengths
+20˚F
Equivalent Lengths
+10˚F
Equivalent Lengths
25'
50'
75'
100'
150'
200'
25'
50'
75'
100'
150'
200'
25'
50'
75'
100'
150'
200'
25'
50'
75'
100'
150'
200'
1,000
3/8
3/8
3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8 3/8
3/8
3/8
3/8
3,000
3/8
3/8
3/8 3/8 1/2 1/2 3/8 3/8 3/8 1/2 1/2 1/2 3/8 3/8 1/2 1/2 1/2 1/2 3/8 3/8 3/8
3/8
3/8
3/8
4,000
3/8
3/8
1/2 1/2 1/2 1/2 3/8 1/2 1/2 1/2 5/8 5/8 3/8 1/2 1/2 5/8 5/8 5/8 3/8 3/8 3/8
3/8
3/8
3/8
6,000
3/8
1/2
1/2 1/2 5/8 5/8 1/2 1/2 1/2 5/8 5/8 5/8 1/2 1/2 5/8 5/8 5/8 5/8 3/8 3/8 3/8
3/8
3/8
3/8
9,000
1/2
1/2
5/8 5/8 5/8 5/8 1/2 5/8 5/8 7/8 7/8 7/8 1/2 5/8 5/8 7/8 7/8 7/8 3/8 3/8 3/8
3/8
3/8
3/8
12,000
1/2
5/8
5/8 7/8 7/8 7/8 5/8 5/8 7/8 7/8 7/8 7/8 5/8 7/8 7/8 7/8 7/8 7/8 3/8 3/8 3/8
3/8
3/8
3/8
15,000
5/8
5/8
7/8 7/8 7/8 7/8 5/8 7/8 7/8 7/8 7/8 7/8 5/8 7/8 7/8 7/8 7/8 7/8 3/8 3/8 3/8
3/8
3/8
3/8
18,000
5/8
7/8
7/8 7/8 7/8 7/8 5/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8
1
1/8
1
1/8
3/8 3/8 3/8
3/8
1/2
1/2
24,000
5/8
7/8
7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8
1
1/8
1
1/8
7/8 7/8 7/8
1
1/8
1
1/8
1
1/8
3/8 3/8 3/8
1/2
1/2
1/2
30,000
7/8
7/8
7/8 7/8
1
1/8
1
1/8
7/8 7/8 7/8
1
1/8
1
1/8
1
1/8
7/8 7/8
1
1/8
1
1/8
1
1/8
1
1/8
3/8 1/2 1/2
1/2
1/2
5/8
36,000
7/8
7/8
7/8
1
1/8
1
1/8
1
1/8
7/8 7/8
1
1/8
1
1/8
1
1/8
1
1/8
7/8
1
1/8
1
1/8
1
1/8
1
1/8
1
3/8
3/8 1/2 1/2
1/2
5/8
5/8
42,000
7/8
7/8
1
1/8
1
1/8
1
1/8
1
1/8
7/8 7/8
1
1/8
1
1/8
1
1/8
1
1/8
7/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
3/8 1/2 1/2
1/2
5/8
5/8
48,000
7/8
7/8
1
1/8
1
1/8
1
1/8
1
1/8
7/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
7/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1/2 1/2 1/2
5/8
5/8
5/8
54,000
7/8
1
1/8
1
1/8
1
1/8
1
1/8
1
3/8
7/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
1/2 1/2 1/2
5/8
5/8
5/8
60,000
7/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
1/2 1/2 5/8
5/8
5/8
5/8
66,000
7/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
1
5/8
1/2 1/2 5/8
5/8
5/8
7/8
72,000
7/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
1
5/8
1/2 5/8 5/8
5/8
5/8
7/8
78,000
7/8
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1
5/8
1
1/8
1
1/8
1
3/8
1
3/8
1
5/8
1
5/8
1/2 5/8 5/8
5/8
7/8
7/8
84,000
1
1/8
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
1
1/8
1
1/8
1
3/8
1
3/8
1
5/8
1
5/8
1
1/8
1
3/8
1
3/8
1
3/8
1
5/8
1
5/8
1/2 5/8 5/8
5/8
7/8
7/8
90,000
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
1
5/8
1
1/8
1
3/8
1
3/8
1
5/8
1
5/8
1
5/8
1
1/8
1
3/8
1
3/8
1
5/8
1
5/8
1
5/8
1/2 5/8 5/8
7/8
7/8
7/8
120,000
1
1/8
1
3/8
1
3/8
1
5/8
1
5/8
1
5/8
1
3/8
1
3/8
1
5/8
1
5/8
1
5/8
2
1/8
1
3/8
1
5/8
1
5/8
1
5/8
2
1/8
2
1/8
5/8 5/8 7/8
7/8
7/8
7/8
150,000
1
3/8
1
3/8
1
5/8
1
5/8
1
5/8
2
1/8
1
3/8
1
5/8
1
5/8
1
5/8
2
1/8
2
1/8
1
3/8
1
5/8
1
5/8
2
1/8
2
1/8
2
1/8
5/8 7/8 7/8
7/8
7/8
7/8
180,000
1
3/8
1
3/8
1
5/8
1
5/8
2
1/8
2
1/8
1
3/8
1
5/8
1
5/8
2
1/8
2
1/8
2
1/8
1
5/8
2
1/8
2
1/8
2
1/8
2
1/8
2
1/8
7/8 7/8 7/8
7/8
1
1/8
1
1/8
210,000
1
3/8
1
5/8
1
5/8
2
1/8
2
1/8
2
1/8
1
5/8
1
5/8
2
1/8
2
1/8
2
1/8
2
1/8
1
5/8
2
1/8
2
1/8
2
1/8
2
1/8
2
5/8
7/8 7/8 7/8
7/8
1
1/8
1
1/8
240,000
1
5/8
1
5/8
2
1/8
2
1/8
2
1/8
2
1/8
1
5/8
2
1/8
2
1/8
2
1/8
2
1/8
2
5/8
1
5/8
2
1/8
2
1/8
2
1/8
2
5/8
2
5/8
7/8 7/8 7/8
1
1/8
1
1/8
1
1/8
300,000
1
5/8
2
1/8
2
1/8
2
1/8
2
1/8
2
5/8
1
5/8
2
1/8
2
1/8
2
1/8
2
5/8
2
5/8
2
1/8
2
1/8
2
1/8
2
5/8
2
5/8
2
5/8
7/8 7/8 7/8
1
1/8
1
1/8
1
1/8
360,000
1
5/8
2
1/8
2
1/8
2
1/8
2
5/8
2
5/8
2
1/8
2
1/8
2
1/8
2
5/8
2
5/8
2
5/8
2
1/8
2
1/8
2
5/8
2
5/8
2
5/8
2
5/8
7/8
1
1/8
1
1/8
1
1/8
1
1/8
1
3/8
480,000
2
1/8
2
1/8
2
1/8
2
5/8
2
5/8
2
5/8
2
1/8
2
5/8
2
5/8
2
5/8
3
1/8
3
1/8
2
1/8
2
5/8
2
5/8
3
1/8
3
1/8
3
1/8
7/8
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
600,000
2
1/8
2
5/8
2
5/8
2
5/8
3
1/8
3
1/8
2
5/8
2
5/8
2
5/8
3
1/8
3
1/8
3
1/8
2
1/8
2
5/8
3
1/8
3
1/8
3
1/8
3
5/8
1
1/8
1
1/8
1
3/8
1
3/8
1
3/8
1
3/8
*
NOTES:
1.
Sizes that are highlighted indicate maximum suction line sizes that should be used for risers. Riser size should not exceed
horizontal size. Properly placed suction traps must also be used for adequate oil return.
2.
All sizes shown are for O.D. Type L copper tubing.
3.
Suction line sizes selected at pressure drop equivalent to F. Reduce estimate of system capacity accordingly.
4.
Recommended liquid line size may increase with reverse cycle hot gas systems.
5.
If system load drops below 40% of design, consideration to installing double suction risers should be made.
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