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(©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.