2.3.8
Control Panel
Control unit panel shall conform to NEMA ICS 6, floor or frame mounted,
factory designed, and assembled, and shall be provided complete. The panel
shall be fabricated of formed stretcher leveled sheet steel, reinforced,
and assembled into a rigid unit. Gasketed access doors shall be provided
as required. Panel shall be factory finish painted. The panel shall meet
NEMA 12 requirements.
a.
Panel shall contain electric and safety control work required,
including either alarm annunciator or individual labeled pilot
lights arranged in a group. Panel shall contain alarm device with
light and silencing. Generalized arrangement in accordance with
drawings.
b.
Panel shall contain start and stop buttons (the latter with
lockout feature), discharge air pressure gage, control test switch
and lights, reset button, green unit running light, and control
selector switch.
c.
Oil pressure gages shall be mounted separately from panel.
2.3.9
Accessories
Required accessories include:
2.3.9.1
Compressor Air Inlet
**************************************************************************
NOTE: Change air compressor inlet description to
suit project if required.
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Compressor air inlet shall be piped to the outside of the building and
consist of the following:
a.
Intake weather hood with rain hood and bird screen. Material
shall be galvanized steel or aluminum alloy, minimum 20 gage.
b.
Intake pipe, ASTM A 36/A 36M steel, ASTM A 123/A 123M or ASTM A
153/A 153M galvanized, 12 gage or Schedule 5 minimum, from intake
weather hood to filter housing flange, welded construction.
c.
Filter housing by filter manufacturer to include filter frames,
access door(s). Material for housing shall be 1.65 mm 0.065 inch
thick Class 5000 aluminum alloy. Unit shall be rigid and free
from distress with all seams sealed.
d.
Intake pipe from filter enclosure to compressor: Steel pipe, ASTM
A 53, seamless or welded, 6.35 mm 0.250 inchminimum wall
thickness. Fittings butt welding, ASME B16.9, 6.35 mm 0.250 inch
minimum wall thickness. Flanges: ASME B16.5, Class 150, welding
neck or slip-on, flat-faced.
2.3.9.2
Compressor Air Outlet
Compressor air outlet flexible connection of stainless steel bellows with
braided steel cover jacket, with stainless steel liner sleeve, 460 mm 18
inch nominal length bellows, flanged ends, Class 150.
SECTION 15214N
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