26
Table 1 - R-407C correction factors for copper tube, 30RWA
Condensing
temperature, °C
Saturated suction temperature, °C
-18
-12
-7
-1
4
10
S
Hg
l
S
Hg
l
S
Hg
l
S
Hg
l
S
Hg
l
S
Hg
l
27
2.01
1.36
1.09
1.61
1.34
1.07
1.31
1.30
1.06
1.07
1.26
1.04
0.89
1.23
1.03
0.74
1.19
1.01
32
2.11
1.27
1.08
1.69
1.23
1.06
1.37
1.19
1.04
1.12
1.16
1.03
0.93
1.12
1.01
0.77
1.09
1.00
38
2.22
1.17
1.08
1.78
1.13
1.06
1.44
1.10
1.04
1.18
1.06
1.02
0.97
1.03
1.01
0.81
1.00
0.99
43
2.34
1.09
1.08
1.88
1.06
1.06
1.52
1.02
1.04
1.24
0.99
1.02
1.03
0.96
1.00
0.85
0.93
0.99
49
2.49
1.03
1.09
1.99
0.99
1.07
1.61
0.96
1.05
1.32
0.93
1.03
1.09
0.90
1.01
0.90
0.87
0.99
54
2.66
0.97
1.12
2.13
0.94
1.10
1.72
0.90
1.07
1.40
0.87
1.05
1.16
0.85
1.03
0.96
0.82
1.01
60
2.87
0.93
1.16
2.29
0.90
1.13
1.85
0.86
1.11
1.50
0.83
1.08
1.24
0.81
1.06
1.03
0.78
1.04
66
3.13
0.91
1.21
2.49
0.87
1.18
2.01
0.84
1.15
1.63
0.81
1.12
1.34
0.78
1.10
1.11
0.75
1.08
71
3.46
0.89
1.29
2.74
0.85
1.26
2.21
0.82
1.22
1.79
0.78
1.19
1.47
0.76
1.16
1.21
0.73
1.13
legend
S Suction
HG Hot gas
L Liquid
Table 2 - Minimum capacity for oil entrainment in the discharge piping (kW) for R-407C copper tube, 30RWA
Saturated
condensing
temperature, °C
Outside pipe diameter, inch
1/2
5/8
3/4
7/8
1-1/8
1-3/8
1-5/8
2-1/8
2-5/8
3-1/8
3-5/8
4-1/8
27
0.81
1.48
2.39
3.66
7.14
12.06
18.64
37.21
63.94
99.81
145.60
201.98
32
0.84
1.51
2.46
3.76
7.28
12.34
19.06
38.09
65.42
102.13
148.94
206.66
38
0.84
1.51
2.50
3.80
7.42
12.56
19.41
38.76
66.61
103.96
151.62
210.35
43
0.88
1.55
2.53
3.87
7.53
12.73
19.66
39.25
67.42
105.23
153.48
212.92
49
0.88
1.55
2.53
3.87
7.56
12.80
19.77
39.50
67.84
105.90
154.43
214.26
54
0.88
1.55
2.53
3.87
7.56
12.80
19.77
39.46
67.81
105.86
154.40
214.19
60
0.84
1.55
2.53
3.87
7.49
12.70
19.62
39.18
67.32
105.05
153.24
212.60
66
0.84
1.51
2.46
3.80
7.39
12.45
19.27
38.44
66.08
103.12
150.42
208.66
71
0.81
1.48
2.43
3.69
7.17
12.17
18.78
37.49
64.43
100.55
146.69
203.49
Table 3 - R-407C correction factors for oil entrainment in the discharge piping
Saturated suction temperature,°C
-23
-18
-12
-7
-1
4
10
0.86
0.89
0.92
0.94
0.97
1
1.03
See chapter “Discharge pipe sizing”
Discharge piping
liquid piping
Cooling capacity (kW)
Equiv
alent length (m)
Cooling capacity (kW)
Equiv
alent length (m)
legend
1
1/2”
2
3/8”
3
3/4”
4
7/8”
5
1-1/8”
6
1-3/8”
7
1-5/8”
8
2-1/8”
legend
1
3/8”
2
1/2”
3
5/8”
4
3/4”
5
7/8”
6
1-1/8”
7
1-3/8”
10
100
1000
3
4 5
20
30 40 50
200
300 400 500
1
2
3
4
5
6
7
8
10
100
30
20
40
50
2
3
4
5
200
10
100
10
100
1000
30
20
40
50
2
3
4
5
3 4 5
20 30 40 50
200
200 300 400
1
2
3
4
5
6
7
