8 refrigerant characteristics, 2 saturated refrigerant pressure tables, R-22 refrigerant – ATS CyberChiller Series User Manual
Page 25: R-407c refrigerant, 1 pressure/temperature settings, October, 2006), Temp. pressure
(©October, 2006)
CyberChiller Series Installation, Operation & Maintenance Manual
2.8.2
Saturated Refrigerant Pressure Tables
The following refrigerant vapor pressure tables are
provided for reference.
(Saturated
Vapor)
(Saturated
Liquid)
R-22 Refrigerant
Temp. Pressure
(°F)
(psig)
20
43.2
22
45.5
24
47.8
26
50.2
28
52.6
30
55.1
32
57.7
34
60.4
36
63.1
38
65.9
40
68.7
42
71.7
44
74.7
46
77.8
48
81.0
50
84.2
55
92.7
60
102
65
111
70
122
75
132
80
144
85
156
90
168
95
182
100
196
105
210
110
226
115
242
120
260
125
278
130
296
135
316
140
337
R-407C Refrigerant
Temp. Pressure
(°F)
(psig)
Superheat
20
37.0
22
39.1
24
41.3
26
43.6
28
46.0
30
48.4
32
50.9
34
53.5
36
56.2
38
58.9
40
61.7
42
64.6
44
67.6
46
70.7
48
73.8
50
77.1
Sub-cooling
95
206
100
222
105
239
110
257
115
275
120
294
125
315
130
336
135
358
140
381
Bubble
Point
Dew
Point
Pressure/Temperature Settings For R-22 & R407C
Normal Min.
Max.
Sub-cooling°F
10
5
20
Superheat°F
15
10
20
Condensing Temperature Air-Cooled°F
125
105
140
Condensing Temperature Water-Cooled°F
105
105
140
Condensing Temperature Glycol-Cooled°F
130
105
140
Suction Pressure (psig)
70
58
84
Opens
Closes
Low Pressure Switch (psig)
10
32
High Pressure Switch (psig)
410
Manual Reset
2-14
2.8
Refrigerant Characteristics
2.8.1
Pressure/Temperature Settings
The following chart is provided to assist with the
normal settings of the system for R-22 and R407C
refrigerant. Where applicable, minimum and maximum
settings are given along with normal operating pres-
sures.