JOHNSON CONTROLS
122
FORM 161.01-OM1
ISSUE DATE: 6/8/2018
SECTION 5 - MAINTENANCE
TABLE 14 -
SYSTEM PRESSURES
*GAUGE
ABSOLUTE
BOILING
TEMPERATURES
OF WATER °F
INCHES OF MERCURY
(HG) BELOW ONE
STANDARD
ATMOSPHERE
PSIA
MILLIMETERS
OF MERCURY
(HG)
MICRONS
0"
14.6960
760.00
760,000
212
10.240"
9.6290
500.00
500,000
192
22.050"
3.8650
200.00
200,000
151
25.980"
1.9350
100.00
100,000
124
27.950"
0.9680
50.00
50,000
101
28.940"
0.4810
25.00
25,000
78
29.530"
0.1920
10.00
10,000
52
29.670"
0.1220
6.30
6,300
40
29.720"
0.0990
5.00
5,000
35
29.842"
0.0390
2.00
2,000
15
29.882"
0.0190
1.00
1,000
1
29.901"
0.0100
0.50
500
–11
29.917"
0.0020
0.10
100
–38
29.919"
0.0010
0.05
50
–50
29.9206"
0.0002
0.01
10
–70
29.921"
0
0
0
*One standard atmosphere
= 14.696 PSIA
= 760 mm Hg. absolute pressure at 32°F
= 29.921 inches Hg. absolute at 32°F
NOTES: PSIG = Lbs. per sq. in. gauge pressure
= Pressure above atmosphere
PSIA = Lbs. per sq. in. absolute pressure
= Sum of gauge plus atmospheric
pressure
Water
Freezes
LD26725
VACUUM PUMP
STOP VALVE
WET BUBL TEMPERATURE
INDICATOR OR
VACUUM GAUGE
CHARGING VALVE
FIGURE 48 -
EVACUATION OF CHILLER
Содержание YZ MODEL A
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