shut down, energize alarms, and light labeled red lights.
b.
Alarm only requirements shall not cause the controlled compressor
to shut down, but shall sound the same alarms and light labeled
amber lights.
c.
Light only requirements shall not cause the controlled compressor
to shut down, but shall light labeled amber lights.
d.
The individual monitor and safety controls shall be as shown on
Table 2.
TABLE 2 - MONITOR AND SAFETY CONTROL SCHEDULE
Light
and
Indicating
Item
Shutdown
Alarm
Light Only
1.
High Discharge Air Temperature
Yes
Yes
-
135 degrees C 275 degrees F
2.
High Intercooler Discharge Water
No
Yes
-
Temperature, Each Intercooler
3.
High Aftercooler Discharge Water Temperature No
Yes
-
4.
High Cooling Water Supply Temperature
No
Yes
-
5.
High Lube Oil Temperature
Yes
Yes
-
6.
Low Lube Oil Pressure
Yes
Yes
-
7.
Low Cooling Water Flow
No
Yes
-
8.
Low Oil Reservoir Level
No
Yes
-
9.
High Condensate Level Intercoolers
No
No
Yes
(wired to one light)
10. High Bleed-Off Air Pressure
Yes
Yes
-
11. High Motor Stator Temperature
Yes
Yes
-
12. High Condensate Level Aftercooler
No
No
Yes
13. High Inlet Pressure Drop Across Inlet
No
Yes
-
Air Filters (combined, 3 stage)
14. High CO Level
Yes
Yes
-
2.3.5.4
Monitoring Instruments
Provide the following monitoring instruments in addition to the monitor and
safety controls. Pressure gages shall conform to ASME B40.1, 114 mm 4 1/2
inch diameter, red marking pointer, single bourdon tube, brass case, black
enamel finish. Provide pressure gages with a pressure snubber and a
stainless steel barstock needle isolation valve. Thermometers shall be
extended stainless steel sheathed bimetallic stem, 90 mm 3 1/2 inch dial,
and separable 100 mm 4 inchstainless steel wells. Temperature measurements
SECTION 15215N
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