Chapter
6
Introduction
to
Refrigerants
123
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R-410A HFC
zeotropic
blend
50% R-32 / 50%
R-125
CHF
2 2
+
CHFCF
2 3
–61
(–52)
54.9–55.1
psig
257.7–258.6
psig
R-22 POE Residential and
light commercial
heat pumps and air
conditioners
R-500 CFC
azeotropic
blend
73.8% R-12 /
26.2% R-152a
CClF
2 2
+
CHCHF
3 2
–28
(–33)
16.4 psig 112.9 psig R-401A,
R-409A
AB/MO Residential and
commercial air
conditioning,
domestic refrigeration,
commercial chillers
R-502 CFC
azeotropic
blend
48.8% R-22 /
51.2% R-115
CHFCl
2
+
CClFCF
2 3
–50
(–46)
35.9 psig 176.6 psig R-402A,
R-404A,
R-408A,
R-507A
AB/MO Supermarket freezers,
refrigerated cases,
frozen food processing
plants
R-507A HFC
azeotropic
blend
50% R-125 /
50% R-143a
CHFCF
2 3
+
CHCF
3 3
–52
(–47)
40.0 psig 198.3 psig R-22,
R-502
POE Commercial
refrigeration systems,
supermarket display
cases, ice machines
R-508B HFC
azeotropic
blend
46% R-23 / 54%
R-116
CHF
3
+
CFCF
3 3
–126
(–88)
256.1 psig N/A R-13,
R-503
POE Low temperature
medical freezers
and environmental
chambers
*The boiling points listed are for atmospheric pressure
**Pressures are given for a 5°evaporator temperature and an 86° condenser temperature—these are referred to as Standard Ton Conditions
***POE = Polyol ester / AB = Alkylbenzene / MO = Mineral oil / PAG = Polyalkylene glycol
Goodheart-Willcox Publisher
Figure 6-15. This chart serves as a comprehensive reference for identifying and comparing the properties and applications of some commonly used refrigerants.