CSZ MicroClimate Series - Page 77

MAINTENANCE WITH Q&A
Page 5-7
SATURATED TEMPERATURE/PRESSURE CHART
TEMP. GAUGE PRESSURE (P.S.I.G.)
ºF R-404A R-508B
-130
-125
-120
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
-60
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
28.0*
27.5*
27.0*
26.1*
25.5*
24.6*
23.5*
22.3*
20.9*
19.2*
17.5*
15.2*
12.8*
10.1*
7.0*
3.6*
0.2
2.2
4.5
7.0
9.8
12.9
16.2
19.9
23.8
28.1
32.8
37.8
43.3
49.1
55.4
62.2
69.4
77.2
85.5
94.3
113.7
115.7
124.3
135.6
147.5
160.1
173.5
187.6
202.4
218.1
234.6
252.0
270.3
289.5
309.6
330.8
352.9
376.1
400.5
3.8*
0.4
2.9
5.9
9.2
12.8
16.8
21.4
26.3
31.8
37.8
44.3
51.5
59.3
67.7
76.9
86.8
97.5
109.0
121.3
134.6
148.8
164.0
180.2
197.5
215.8
235.3
256.0
277.9
301.2
325.7
351.6
378.9
407.7
438.0
469.9
503.5
538.7
Critical
Pressure
*Inches of mercury below one atmosphere