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OPERATION
Standby Power
Improper connection to a building electrical system
can allow current from the generator to back feed into
the utility lines. Such back feed may electrocute
utility company workers or others who contact the
lines during a power outage. Additionally, the
generator may explode, burn, or cause fires when
utility power is restored. Consult the utility company
or a qualified electrician prior to making any power
connections.
Connections to a Building Electrical System
Connections for standby power to a building's electrical
system must be made by a qualified electrician and must
comply with all applicable laws and electrical codes.
Improper connections can allow electrical current from
the generator to back feed into the utility lines. Such back
feed may electrocute utility company workers or others
who contact the lines during a power outage; when utility
power is restored, the generator may explode, burn, or
cause fires in the building's electrical system. Do not
connect this generator to an automatic transfer switch.
Serious damage to the engine and inverter module may
result.
In some areas, generators are lawfully required to be
registered with local utility companies. Check local
regulations for proper registration and usage procedures.
System Ground
To prevent electrical shock from faulty appliances, the
generator should be grounded. Connect a length of heavy
cable between the generator's ground terminal and an
external ground source.
System Requirements
There may be federal or state Occupational Safety and
Health Administration (OSHA) regulations, local codes,
or ordinances that apply to the intended use of the
generator. Please consult a qualified electrician,
electrical inspector, or the local agency having
jurisdiction.
If the generator is used at a construction site, there may
be additional regulatory requirements.
High Altitude Use
Carburetor Modification
When carburetor has been modified for high altitude
operation, the air-fuel mixture will be too lean for low
altitude use and may cause engine damage.
At high altitude, the standard carburetor air-fuel mixture
will be excessively rich. Performance will decrease and
fuel consumption will increase. A very rich mixture will
also foul the spark plug and cause hard starting. Opera-
tion at an altitude different than that which this engine was
certified, for extended periods of time, may increase
emissions.
High altitude operation can be improved by specific
modifications to the carburetor. If always operating the
generator at altitudes above 5000 feet (1500 meters),
have an authorized Polaris servicing dealer perform the
carburetor modification. The engine will meet each
emission standard throughout its life when operated at
high altitude with the carburetor modifications for high
altitude operation.
With the carburetor modification, engine horsepower will
decrease by about 3.5% for every 1000 feet (300 meters)
increase in altitude. The effect of altitude on horsepower
will be greater if no carburetor modification is made.
Operation of the generator at an altitude lower than the
carburetor is jetted for may result in reduced perfor-
mance, overheating, and serious engine damage caused
by an excessively lean air/fuel mixture. Be sure to have
any modification reversed at lower altitudes.
Emission Control System Information
Source of Emissions
Exhaust gas contains carbon monoxide, nitrous oxide
(NOx), and hydrocarbons. It is very important to control
the emissions of NOx and hydrocarbons as they are a
major contributor to air pollution. Carbon monoxide is a
poisonous gas. The emission of fuel vapors is a source of
pollution as well. The generator engine utilizes a precise
air-fuel ratio and emission control system to reduce the
emissions of carbon monoxide, NOx, hydrocarbons, and
evaporative fuel emissions.
Polaris utilizes appropriate air-fuel ratios and other
emissions control systems to reduce the emissions of
carbon monoxide, oxides of nitrogen, and hydrocarbons.
In addition, Polaris fuel systems utilize components and
control technologies to reduce evaporative emissions.
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