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ITEM # GEN9000DF 9000 Surge Watt / 8000 Running Watt Portable Dual Fuel LPG & Gasoline Electric Start Generator Manual
15
USING THE GENERATOR
After the engine has been running for several minutes, electrical devices may be connected to this generator.
AC Usage
Electrical devices running on AC current may be connected according to their wattage requirements. The rated (running) and surge wattage:
Rated (Running) Wattage
8000
Surge Wattage
9000
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.
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.
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 following chart (see Figure 7). The chart provides only estimates and it is better
to know the exact wattage of each electrical device to be powered by this generator.
Electrical Device
Rated (Running) Watts
Additional Surge Watts
air compressor (1 HP)
1500
3000
air compressor (1 - 1/2 HP)
2500
2500
airless sprayer (1/3 HP)
600
1200
box fan
300
600
clock radio AM/FM
300
0
coffee maker
1500
0
computer w/17 inch monitor
800
0
deep freezer
500
500
electric drill (1/2 HP)
1000
1000
DVD/CD player or VCR
100
0
furnace fan blower (1/2 HP)
800
1300
garage door opener (1/2 HP)
480
520
hot plate
2500
0
light bulb (75 watt)
75
0
microwave oven (1000 watt)
1000
0
quartz halogen work light
1000
0
refrigerator/freezer (18 Cu. Ft.)
800
1600
saw - circular (7 1/4 inch)
1500
1500
saw - miter (10 inch)
1800
1800
saw - reciprocating
960
1040
security system
180
0
electric stove - single element
1500
0
sump pump
800
1200
television (27 inch color)
500
0
electric water heater (40 gallon)
4000
0
window air conditioner (10000 BTU)
1200
1800
window fan
300
600
Figure 7 - Estimated wattage requirements for common electrical devices.
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