Installation
SS-SVX004C-EN 19
Refrigerant Characteristics
Pressure/Temperature Settings
Tables below are provided to assist with the normal
settings of the system for R407C refrigerant. Where
applicable, minimum and maximum settings are given
along with normal operating pressures.
Table 7. Pressure/Temperature settings for R407C
Pressure/Temperature Settings For R407C
Normal Min. Max.
Sub-cooling °F 10 5 20
Superheat °F 15 10 20
Design Condensing Temp. @ 95°F 125 105 140
Suction Pressure (psig)- R407C 70 55 85
Switch State Opens Closes
Low Pressure Switch (psig)- R407C 10 32
High Pressure Switch (psig)- R407C 410 Manual Reset
Saturated Refrigerant Pressure Table
The refrigerant vapor pressure tables below are provided
for reference for R407C refrigerant.
Table 8. Refrigerant vapor tables
R407C Refrigerant
Temp. (°F) Pressure (psig)
Saturated Evaporating Temperature
20 37.9
Dew
Point
S
aturated
Vapor
22 40.1
24 42.3
26 44.7
28 47.1
30 49.6
32 52.1
34 54.8
36 57.5
38 60.3
40 63.2
42 66.1
44 69.2
46 72.3
48 75.5
50 78.8
Saturated Evaporating Temperature
95 209
Bubble
Point
S
aturated
Vapor
100 225
105 242
110 260
115 279
120 298
125 319
130 341
135 363
140 387
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