Table of Contents
Advertisement
Table 17: R-410A Minimum Capacity for Discharge Riser (Tons)
Saturated
Discharge
Suction
Temp
Temp
1/2
(°F)
(°F)
0 .146
80
140
0.33
100
160
0.34
120
180
0.35
ASHRAE Handbook Refrigeration, Chapter 2, 2006.
© American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.,
Refrigeration capacity in tons based on saturated suction temperature of 40°F with 15°F superheat at indicated saturated
condensing temperature with 15°F sub-cooling. For other saturated suction temperatures with 15°F superheat, use correction
factors in the following table. (Table data based on line size pressure drop formula shown on page 2.17 of ASHRAE Handbook
Refrigeration 2006.)
Saturated Suction Temperature (°F)
0
20
0.90
0.94
Table 18: R-407C Minimum Capacity for Discharge Riser (Tons)
Saturated
Discharge
Suction
Temp
Temp
1/2
(°F)
(°F)
0 .146
80
140
0.29
100
160
0.30
120
180
0.31
Refrigeration capacity in tons based on saturated suction temperature of 40°F with 30°F superheat at indicated saturated
condensing temperature with 10°F subcooling. For other saturated suction temperatures with 30°F superheat, use correction
factors in the following table. (Table data based on line size pressure drop formula shown on page 2.17 of ASHRAE Handbook
Refrigeration 2006.)
Saturated Suction Temperature (°F)
0
20
0.96
0.98
www.DaikinApplied.com
5/8
3/4
7/8
0 .233
0 .348
0 .484
0.610
1.060
1.590
0.628
1.092
1.638
0.647
1.125
1.687
40
60
1.00
1.06
5/8
3/4
7/8
0 .233
0 .348
0 .484
0.530
0.913
1.390
0.546
0.940
1.432
0.562
0.969
1.475
40
60
1.00
1.02
Pipe O .D . (inches)
1-1/8
1-3/8
1-5/8
Area (in
)
2
0 .83
1 .26
1 .78
3 .094
3.19
5.54
8.75
13.80
3.29
5.71
9.01
14.21
3.38
5.88
9.28
14.64
www.ashrae.org
Pipe O .D . (inches)
1-1/8
1-3/8
1-5/8
2-1/8
Area (in
2
)
0 .83
1 .26
1 .78
3 .094
2.79
4.85
7.67
12.10
2.87
5.00
7.90
12.46
2.96
5.15
8.14
12.84
49
AG 31-011 • REFRIGERANT PIPING DESIGN
2-1/8
2-5/8
3-1/8
3-5/8
4 .770
6 .812
9 .213
24.40
38.90
57.80
25.13
40.07
59.53
25.89
41.27
61.32
2-5/8
3-1/8
3-5/8
4 .770
6 .812
9 .213
21.30
33.99
50.70
21.94
35.01
52.22
22.60
36.06
53.79
4-1/8
11 .97
81.70
84.15
86.68
4-1/8
11 .97
71.40
73.54
75.75
Hide quick links:
Advertisement
Table of Contents
