Danfoss R22 - Page 29

Operating conditions
Dew temperature and mean
temperature for R407C
The following operating diagrams show the dierence between mean and dew temperature
application envelopes.
Dew temperature
Example for SZ 084 to 185
Mean temperature
Example for SZ 084 to 185
80
90
100
110
120
130
140
150
160
-10 0 10 20 30 40 50 60 70
S.H. = 54 °F SUPERHEAT
S.H. = 20°F
Condensing temperature (°F)
Evaporating temperature (°F)
Dew temperature conditions
80
90
100
110
120
130
140
150
160
-10 0 10 20 30 40 50 60
Condensing temperature (°F)
Evaporating temperature (°F)
Mean temperature conditions
S.H. = 20 °F
S.H. = 54 °F SUPERHEAT
pressure (log)
enthalpy
Dew
Dew
Mean
Mean
29
FRCC.PC.003.A5.22
Application guidelines