
5
Installation Recommendations
Preliminary design
Normal precautions and safeties
A. Safety involves three aspects: human safety, safe
operation of the generator set itself (and its
accessories) and reliable operation of the system.
Reliable operation of the system is related to safety
because equipment affecting life and health is often
dependent on the generator set e.g. hospital life–
support systems, building ventilators, elevators, fire
pumps, security etc.
B. Ensure that equipment is correctly and safely installed,
fully complies with all central, state and local codes
and any person operating this equipment has been
properly trained.
C. The fire protection system must comply with the
requirements of the authority.
D. Hot exhaust gasses must never be directed toward
anything that may catch fire or explode.
E. Never operate the generator unless all guards, covers,
shields and other safety items are properly installed.
F. Never operate the engine when the air cleaner is
removed. An engine backfire can cause serious burns.
G. Never “jump start” a generator to start the engine.
If the battery charge is insufficient to start the engine,
charge or replace the battery and try to restart. Jump
starting a battery can cause the battery to explode.
H. Unauthorized modification of a generator set may
make the unit unsafe for operation or may impair the
operation of the unit. Never start a generator set that
has been modified or tampered with. Be sure that all
covers and guards are properly installed and that the
unit is safe before starting the engine.
I. Keep generator away from flammable or hazardous
materials (trash, rags, lubricants, explosives, paints
etc.) and grass or leaf build up.
J. Operator should use safety glasses with side shields
and hearing protection.
K. Disconnect all connections to the control system on
engine / genset before doing any welding work.
L. Do not tamper control system in case of any problem.
There are no user serviceable parts inside the various
controls supplied along with Cummins engine / genset.
Call the nearest Cummins office / dealer for help.
M. Disconnect the battery’s ground terminal before
working in the vicinity of the battery or battery wires
during installation and maintenance.
N. Be sure all wiring / cabling complies with the all
regional and local codes / regulations / standards.
O. Be sure the system is properly grounded before
applying power.
P. Physically separate the generator feeders from the
normal wiring feeders to prevent possible
simultaneous destruction as a result of a localized
catastrophe such as a fire, flooding, or shear force.
Bypass–isolation transfer switch equipment so that
transfer switches can be maintained or repaired
without disruption of critical load equipment.
Q. Large stiff cables may not provide sufficient ability
to bend even though they are considered flexible.
This is also true of some conduit types. Failure to
allow sufficient flexibility will result in damage to
enclosures, leads, cables, insulation, or connection
points.
R. Seismic Areas: In seismic risk areas, special electrical
installation practices are required, including seismic
mounting of equipment – contact concerned
consultant/s.
Preliminary design
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