f.
One set of spare pump gaskets and "O" rings.
g.
Renewal parts for mechanical pump seal.
2.7.3
Deaerator Control
Deaerator manufacturer shall furnish completely wired control cabinet,
mounted on pump unit or free-standing. Cabinet shall have hinged door and
include the following:.
a.
Combination magnetic starters having 3 overload relays, with
b.
Auto Lead-Lag-Off-Continuous selector switches.
c.
Pilot lights indicating pump operation.
d.
Control circuit disconnect switch.
e.
Terminal block.
f.
g.
Momentary contact Test pushbuttons.
h.
Deaerator Control Panel meeting the following requirements:
1.
Construction: Deaerator control panel shall be properly sized to
contain control devices, instrument gauges and meters. Deaerator
control panel shall be unit mounted or free-standing with
face-plate of not less than 4.7 mm 3/16 inch reinforced steel
plate. Control cabinet shall be factory-assembled steel enclosure
with locking door. Panel shall be NEMA 4 construction, 12 gauge
steel all welded construction with minimum radius corners,
stiffened as required and framed with angles. The door shall be
constructed of 12 gauge steel with door clamps and continuous
hinge. Door shall be fully gasketed.
2.
Wiring:Deaerator control panel shall be wired in accordance with
NFPA 70 and shall have individual motor starter with 120 volt
holding coil and fuse protection. Individual green oil-tight pump
run lights shall be provided. Switches and light shall be NEMA 4
rated and have nameplate identification. Paralleling of
Panel shall be provided with main disconnect device, consisting of
shall be equipped with mechanical door interlock preventing door
opening the disconnect in closed position. Fusing shall be
cartridge type. Dual element, current limiting, time delay safety
switches shall be multiple horsepower rated, heavy duty type.
Magnetic motor starter for motor assembly shall be NEMA type, full
voltage, non-reversing, overload protected for each phase, with
auxiliary contacts. Overload relay shall be trip-free, thermal
bimetallic, manual reset with trip heaters based on actual full
load current of motor. Spare NO and NC auxiliary contacts wired
to the terminal block shall be provided. Control power
transformer with primary fuse disconnect and secondary fusing
shall be provided. Factory mounted and wired control shall be
SECTION 15561A
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