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6
−
39
T
−
318
−
6
−
4
−
2
0
2
4
6
8
10
12
14
60
70
80
90
100
110
120
Ambient Air Temperature
psig
(Bar)
(.97)
(.83)
(.69)
(.55)
(.41)
(.28)
(.14)
(0)
(-.14)
(-.28)
(-.41)
0
°
F (-17.8
°
C) Box
(48.9)
(43.3)
(37.8)
(32.2)
(26.7)
(21.1)
(15.6)
35
°
F (1.7
°
C) Box
Compressor Suction Pressure Versus Ambient Air Temperature at Stable Box Temperature
8
9
10
11
12
13
14
15
16
17
60
70
80
90
100
110
120
Ambient Air Temperature
Compressor-Motor Current Versus Ambient Air Temperature At Stable Box Temperature
35
°
F (1.7
°
C) Box
0
°
F (-17.8
°
C) Box
(48.9)
(43.3)
(37.8)
(32.2)
(26.7)
(21.1)
(15.6)
(
°
C)
(
°
F)
(
°
C)
(
°
F)
Figure 6-37 R-134a Compressor Pressure and Motor Current Curves Versus Ambient Temperature
(Sheet 2 of 2)