manufacturer for the application and the installation shall be complete
including piping and power requirements.
2.2.5
Starting Battery System
**************************************************************************
NOTE: Starting battery system shall be 24-volt dc
for engine-generator sets greater than 100 kW and
12-volt dc for engine-generator sets rated 100 kW
and less.
**************************************************************************
Provide a[ 24][ 12]-volt dc starting battery installation for starting of
each engine-generator set utilizing an electric cranking system.
2.2.5.1
Engine Starting Battery
**************************************************************************
NOTE: The ambient temperature selected shall be the
lowest temperature at which the engine might be
cranked. Battery configuration shall be two
parallel sets of two 12-volt batteries for
engine-generator sets rated 750 kW and above.
**************************************************************************
Provide maintenance free, sealed, lead-acid, SAE Type D diesel engine
starting batteries.[ Battery configuration shall be two parallel sets of
two 12-volt batteries.] Batteries shall have sufficient capacity to
provide 60 seconds of continuous cranking of the engine in an ambient
temperature of [_____] degrees C [_____] degrees F.
2.2.5.2
Starting Battery Charger
UL 1236. Provide[ 120][ ____] volt ac, enclosed, automatic equalizing,
dual-rate, solid-state, constant voltage type battery charger with
automatic ac line compensation. Dc output shall be voltage regulated and
current limited. Charger shall have two ranges, float and equalize, and
shall provide continuous taper charging. The charger shall have a
continuous output rating of not less than 10 amperes and shall be sized to
recharge the engine starting batteries in a minimum of 8 hours while
providing the control power needs of the engine-generator set. Enclosure
shall be NEMA ICS 6, Type[ 1][ _____]. The following accessories shall be
included:
a.
Dc ammeter
b.
Dc voltmeter
c.
Equalize light
d.
Ac on light
e.
Low voltage light
f.
High voltage light
g.
Equalize test button/switch
h.
SECTION 16237N
Page 32
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