Cincinnati Sub-Zero ZP Series - Page 88

MAINTENANCE WITH Q & A
76
SATURATED TEMPERATURE/PRESSURE CHART
TEMP.
GAUGE PRESSURE (P.S.I.G.)
°C
HFC
HFC
HFC
HFC/PFC
R-404A
R-410A
R-23
R-508B
-90.0
-
-
11.5*
3.9*
-87.2
-
-
8.0*
0.0
-84.4
-
-
4.0*
0.2
-81.7
-
-
0.0
0.4
-78.9
-
-
0.2
0.6
-76.1
-
-
0.4
0.9
-73.3
-
-
0.6
1.1
-70.6
-
-
0.9
1.5
-67.8
-
-
1.2
1.8
-65.0
-
-
1.5
2.2
-62.2
16.9*
13.2*
1.8
2.6
-59.4
14.8*
10.4*
2.2
3.0
-56.7
12.3*
7.2*
2.6
3.5
-53.9
9.5*
3.5*
3.1
4.1
-51.1
6.4*
0.0
3.6
4.6
-48.3
2.9*
0.2
4.1
5.3
-45.6
0.0
0.3
4.7
6.0
-42.8
0.2
0.5
5.4
6.7
-40.0
0.3
0.7
6.1
7.5
-37.2
0.5
1.0
6.8
8.4
-34.4
0.7
1.2
7.6
9.3
-31.7
0.9
1.5
8.5
10.3
-28.9
1.2
1.8
9.4
11.3
-26.1
1.4
2.2
10.5
12.5
-23.3
1.7
2.5
11.5
13.7
-20.6
2.0
2.9
12.7
14.9
-17.8
2.3
3.3
13.9
16.3
-15.0
2.7
3.8
15.3
17.8
-12.2
3.1
4.3
16.7
19.3
-9.4
3.5
4.8
18.2
20.9
-6.7
3.9
5.4
19.7
22.7
-3.9
4.4
6.0
21.4
24.5
-1.1
4.9
6.7
23.2
26.5
1.7
5.4
7.4
25.1
28.5
4.4
6.0
8.2
27.1
30.7
7.2
6.6
9.0
29.2
33.1
10.0
7.3
9.9
31.4
35.6
12.8
8.0
10.8
33.8
36.7
15.6
8.7
11.8
36.3
Critical
18.3
9.5
12.8
38.9
Pressure
21.1
10.3
13.9
41.7
23.9
11.2
15.1
44.7
26.7
12.1
16.3
Critical
29.4
13.1
17.6
Pressure
32.2
14.1
19.0
35.0
15.2
20.4
37.8
16.3
22.0
40.6
17.5
23.6
43.3
18.8
25.3
46.1
20.1
27.1
48.9
21.5
28.9
51.7
23.0
30.9
54.4
24.5
33.0
57.2
26.1
35.1
60.0
27.8
37.4
*inches of mercury below one atmosphere