11
OPM-133/E
CONNECTING THE LOADS
The engine-generator covered in this manual was designed
for portable use. Do NOT operate indoors. The unit should
be stored in a warm, dry location. Move the unit outdoors
to a flat, dry location for use.
WARNING: PERSONAL DANGER:
Operating any engine driven generator without
proper air flow can result in personal injury or death.
DO NOT operate this unit inside a home or garage,
near vents or windows, or anywhere carbon monoxide
gas could accumulate.
APPLYING THE LOADS
Allow the engine to warm up for two or three minutes
before applying any load. This will allow the engine to
reach normal operating temperature and oil to circulate
throughout the engine. A short warm-up time will permit
the engine to work more efficiently when the load is
applied and will reduce the wear in the engine, extending
its life. Receptacles have been provided to allow loads to be
connected to the generator.
The loads should be added one at a time. If a large motor
is being started: or multiple motors are being started, they
should be started individually and the largest should be
started first.
CAUTION: EQUIPMENT OVERLOAD
Keep the generator load within in the generator and
receptacle nameplate rating. Overloading may cause
damage to the generator and/or the loads.
Most electric tools and appliances will have the voltage and
amperage requirements on their individual nameplates.
When in doubt, consult the manufacturer or a local
electrician. The nameplate amperage rating for electric
motors can be misleading. See “Starting Electric Motors” in
the Unit Capabilities.
These engine-generator sets are inherently self regulating
based on engine speed. The engine governor will
automatically adjust itself to the load. No harm to the
generator will result if it is operated with no load connected.
CAUTION: EQUIPMENT DAMAGE
Diesel engines should never be run for an extended
period of time with a very light load or no load on
them, it may do permanent damage to the engine if
run under these conditions.
Proper utilization of the receptacles located on the control
panel is necessary to prevent damage to either the
receptacles or the generator. The generator is a limited
source of electrical power, therefore, pay special attention
to the receptacle and generator ratings. The nameplate
rating can be obtained through a single receptacle as long
as the receptacles amperage rating is not exceeded.
GROUNDING
Proper grounding of your generator is application
dependent. Carefully evaluate your planned use of your
generator to understand which grounding you require.
If you are not sure what to do, contact a competent
professional to assist you. The NFPA 70 250:34-35 are good
technical references.
STANDARD PORTABLE GENERATOR
Your WINCO portable generator ships with a bonded
neutral. You can safely use this generator without external
grounding as long as all loads are powered through the
receptacle panel.
VEHICLE-MOUNTED GENERATOR
Your WINCO portable generator ships with a bonded
neutral. When mounted to a vehicle to safely distribute
power it is necessary that the generator frame is bonded
to the vehicle frame. The generator should only supply
equipment that is cord and plug connected through
receptacles mounted on the generator or the vehicle.
PERMANENTLY INSTALLED GENERATORS
This WINCO portable generator ships with a bonded
neutral and overcurrent protection. NFPA 70 refers to this
as a “separately derived system.” When connecting it to a
building a transfer switch specifically designed for GFCI and
bonded neutral generators is required.
WIRING
Plug your tools such as drills, saws, blowers, sump pump,
and other items to be powered directly into the generator
receptacles. Before plugging in all the tools and cord
sets, recheck the rating of the generator set. Be sure it
can handle the intended load and is compatible with the
voltage, phase, and current ratings. ‘Hard wiring’ this unit
directly into a temporary construction site electrical system
is NOT A SIMPLE DO-IT-YOURSELF JOB. For your safety, all
wiring must be done by a qualified electrician and conform
to the National Electric Code and comply with all state/local
codes and regulations. Check with local authorities before
proceeding.
WARNING: PERSONAL DANGER
A fully isolated, double pole double throw manual
transfer switch must be installed any time a generator
is being connected to an existing distribution system.
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