
160
80
-20
Condensing temperature (F)
Evaporating temperature (F)
-10
0
10
20
30
40
50
60
70
150
140
130
120
110
100
90
S.H. = 54F
S.H. = 20F
160
90
-10
Condensing temperature (F)
Evaporating temperature (F)
100
110
120
130
140
150
0
10
20
30
40
50
60
70
S.H. = 54F
S.H. = 20F
170
90
0
Condensing temperature (F)
Evaporating temperature (F)
10
20
30
40
50
60
70
S.H. = 54F
S.H. = 20F
160
150
140
130
120
110
100
150
80
-30
Condensing temperature (F)
Evaporating temperature (F)
90
100
110
120
130
140
-20
-10
0
10
20
30
40
50
60
S.H. = 54F
S.H. = 20F
OPERATING ENVELOPES
MT
R-22
MTZ
R-407C at DEW point
MTZ
R-134a
MTZ
R-404A/R-507A