TM 9-4120-357-14
TABLE 5-1.
TROUBLESHOOTING (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PRESSURE-TEMPERATURE RELATIONSHIP TABLE
50
76
100
125
AMBIENT-DEGREE F
10
21
38
52
AMBIENT-DEGREE C
90 (320C) DRY-BULB
F
RETURN AIR TO UNIT
Suction line (psig)
58-65
58-70
60-75
75-90
(kg/cm2)
4.08-4.57
4.08-4.92
4.22-5.27
5.27-6.33
Discharge line (psig)
120-160
175-210
255-295
370-410
(kg/cm2)
8.43-11.25
12.3-14.76
17.92-20.74
26.01-28.82
80 (26.7 ) DRY-BULB
F
C
RETURN AIR TO UNIT
Suction line (psig)
58-65
58-70
60-75
65-75
(kg/cm2)
4.08-4.57
4.08-4.92
4.22-5.27
4.57-5.27
Discharge line (psig)
120-155
170-205
250-290
370-410
(kg/cm2)
8.43-10.9
11.95-14.41
17.58-20.39
26.01-28.82
NOTE: Dry-bulb temperatures are measured with an ordinary thermometer.
5-4