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Buffalo GEN4065 Frequently Asked Questions Manual page 4

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- How do I plug devices into my generator?
Plug appliances into the correct outlet. Connect standard 120 Volt, single phase, 60 Hz loads to the 120 Volt outlets. Connect 12 Volt, DC loads to the 12 Volt outlet.
Even though this generator has an overall rated wattage of 4000, do not attempt to draw more than 3500 Watts from the 120 Volt outlet. Draws higher than 3500 Watts will
damage this generator and void the warranty.
This generator can run at its surge wattage capacity for only a short time. Connect electrical devices requiring a rated (running) wattage equal to or less than the rated
wattage of this generator. Never connect devices requiring a rated wattage equal to the surge wattage of a generator.
Model GEN4065 Rated (Running) Wattage: 4000 Watts
Model GEN4065 Surge Wattage: 3500 Watts
The rated (running) wattage corresponds to the maximum wattage a generator can output on a continuous basis.
The surge wattage corresponds to the maximum amount of power a generator can output for a short time. Many electrical devices, such as a refrigerator, require short
bursts of extra power for starting and stopping fan motors, etc., in addition to their listed rated wattage. Motorized devices typically require more than their rated wattage
for startup. The surge wattage ability of a generator allows for this extra power requirement.
The total running wattage requirement of the electrical devices connected to a generator should not exceed the rated wattage of the generator itself. To calculate the total
wattage requirement of the electrical devices to be connected, look up the rated (running) wattage of each device and add these numbers together to find the total wattage
that all of the devices together will draw from the generator. If the total wattage of the selected devices exceeds the rated wattage of the generator, DO NOT connect all of
the devices. Select a combination of the electrical devices that will have a total wattage less than or equal to the rated wattage for the generator.
A device's rated (running) wattage should be listed somewhere on the device itself and/or in its manual. If the wattage specification for a device is not available, the
wattage can be calculated by multiplying the Voltage requirement (120 or 240) by the Amperage drawn.
Watts = Volts x Amperes
Or, the wattage required by a device can be estimated by using the Wattage Worksheet page on this website. The Wattage Worksheet provides only estimates and it is
better to know the exact wattage of each electrical device to be powered by this generator.
To plug items into the AC outlet:>
Electrical devices running on AC current may be connected according to their wattage requirements.
Allow the engine to run for several minutes after it has been started.
Confirm that the electrical device is switched off prior to plugging it into this generator.
Turn on the connected electrical devices beginning with the device with the highest rated wattage requirement and then each additional device with the next lower rated
wattage requirement.
NOTE: Connect only electrical devices that are in good working order. Faulty devices or power cords present the risk of electrical shock. Immediately turn off and
disconnect any device that commences to operate abnormally, sluggish or abruptly stops. Determine if the problem was the device or the rated load capacity of this
generator has been exceeded.>
To plug items into the DC outlet:>
The DC outlet is only for recharging 12 Volt automotive-type batteries. Do not connect any other device to this outlet. NEVER attempt to jumpstart a car with this
generator.
NOTE: While this generator is running, power is available from either the standard 120 Volt outlet or the 12 Volt DC outlet. Both 120 Volts and 12 Volts can be
simultaneously drawn from this generator.
- Can I connect my generator to my house?
NEVER connect a building electrical system to this generator. Doing so voids your warranty. Such connections must isolate generator power from utility power and comply
with local electrical laws and codes. Failure to comply can create a back feed into utility lines creating an electrocution hazard, which may result in serious injury or death
to utility workers. Such a back feed may cause this generator to explode, burn and create fires when utility power is restored, or injure or kill utility workers working to
repair utility lines.
Use a ground fault circuit interrupter (GFCI) in highly conductive areas such as metal decking or steel work.
Do not use this generator in wet conditions (rain, snow, active sprinkler system, wet hands, etc.). Always keep this generator dry and operate it with dry hands.
- What can safely be plugged into my generator?
For more information on the wattage used by the most common household appliance and electrical devices plugged into generator power, please download the Wattage
Worksheet page HERE.
This generator is not intended to power sensitive electronic equipment such as TVs, DVD players, stereos, desktop computers or laptop computers without the use of an
appropriate line conditioner and/or surge protector (both not included). Sensitive electronic equipment should be operated on approved inverter type generators or pure
sine wave generators.
Avoid the use of extension cords if possible. If you choose to use them, be sure they are sized adequately to handle the flow of electricity. An undersized cord can
overheat, short out and cause a fire.
Too many devices may be connected to your generator, causing your generator to become overloaded. Disconnect the devices connected to your generator one by one
until you have reduced the draw on the generator to within the generator's rated wattage. For more information of the difference between running watts and surge watts
see the Surge Wattage Vs. Running page on this website. For more information on the wattage used by the most common household appliance and electrical devices
plugged into generator power, please see the Wattage Worksheet page on this website.
How do I stop my generator?
Abruptly stopping the generator could result in damage to your appliance(s) or to the generator itself. Please follow the procedure below to safely stop the running of your
generator:
Turn off all connected electrical devices and then unplug them.
Allow this generator to run for several more minutes with no electrical devices connected to help stabilize the temperature of this generator.
Set the engine switch to the "Off" position.
Turn the fuel valve to the "Off" position.
Allow the generator to cool down completely before moving. Caution! Some areas of the generator become hot during operation.
Allowing gasoline to sit in this generator's fuel tank for extended time without use can increase the difficulty in starting this generator in the future. Never store this
generator for extended time with gasoline in the fuel tank. If you plan to use your generator again within 60 days, no further action is needed. If you DO NOT plan to use
the generator again within 60 days, follow the procedures listed in "How do I prepare my generator for storage?" under the Generator Care & Maintenance section of this
guide.

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