Using The Generator; Ac Usage - Buffalo GENTRi9K Instruction Manual

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
Surge Wattage
(Surge Watts / Running Watts may be reduced by 10% when using propane fuel vs. using gasoline. Surge Watts / Running Watts may be reduced
by 20% when using natural gas vs. using gasoline. )
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, i.e., no more than 8000 for this 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
air compressor (1 HP)
air compressor (1 - 1/2 HP)
airless sprayer (1/3 HP)
box fan
clock radio AM/FM
coffee maker
computer w/17 inch monitor
deep freezer
electric drill (1/2 HP)
DVD/CD player or VCR
furnace fan blower (1/2 HP)
garage door opener (1/2 HP)
hot plate
light bulb (75 watt)
microwave oven (1000 watt)
quartz halogen work light
refrigerator/freezer (18 Cu. Ft.)
saw - circular (7 1/4 inch)
saw - miter (10 inch)
saw - reciprocating
security system
electric stove - single element
sump pump
television (27 inch color)
electric water heater (40 gallon)
window air conditioner (10000 BTU)
window fan
Figure 7 - Estimated wattage requirements for common electrical devices.
GENTRi9K 9000 Surge Watt / 8000 Running Watt Portable Tri Fuel Liquid Propane Gas & Gasoline & Natural Gas Electric Start Generator Manual
8000
9000
Rated (Running) Watts Additional Surge Watts
1500
2500
600
300
300
1500
800
500
1000
100
800
480
2500
75
1000
1000
800
1500
1800
960
180
1500
800
500
4000
1200
300
3000
2500
1200
600
0
0
0
500
1000
0
1300
520
0
0
0
0
1600
1500
1800
1040
0
0
1200
0
0
1800
600
15