Danfoss R134a - Application envelopes for R404 A, R507 A, and R407 C

SZ084 to 185 & SY185
R407C
at DEW temperature
70
65
60
55
50
45
40
35
30
-25 -20 -15 -10
-5
0 5 10 15 20
Condensing temperature (°C)
Evaporating temperature (°C)
Dew temperature conditions
S.H. = 11.1 K
S.H. = 30 K
SUPERHEAT
SZ084 to 185
R404A / R507A
SZ148-185 / SY185
R513A
75
30
70
65
60
55
50
45
40
35
-25 -20 -15 -10 0 5 10 15-5
Condensing temperature (°C)
S.H. = 11.1 K
S.H. = 30 K
SUPERHEAT
Evaporating temperature (°C)
70
65
75
60
55
50
45
40
35
30
25
20
15
-25 -20 -15 -10 -5 0 5 10 15 20 25 30
SH=30K
SH=10K
Evaporating temperature (°C)
Condensing temperature (°C)
Operating conditions
28 AB237986441643en-010801
Application Guidelines