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ELECTRICAL
GENERATOR CAPACITY
Make sure the generator can supply enough continuous
(running) and surge (starting) watts for the items you will power
at the same time. Follow these simple steps.
1. Select the items you will power at the same time.
2. Total the continuous (running) watts of these items. This
is the amount of power the generator must produce to
keep the items running. See the wattage reference chart
at right.
3. Estimate how many surge (starting) watts you will need.
Surge wattage is the short burst of power needed to
start electric motor-driven tools or appliances such as a
circular saw or refrigerator. Because not all motors start
at the same time, total surge watts can be estimated by
adding only the item(s) with the highest additional surge
watts to the total rated watts from step 2.
Example:
Continuous
Tool or Appliance
(Running) Watts
CD Player
Space Heater
Drill
Light (75 Watts)
2475 Total
Running Watts
Total Continuous (Running) Watts
Plus Highest Additional Surge Watts
Equals Total Generator Output Required
POWER MANAGEMENT
To prolong the life of the generator and attached devices, it
is important to take care when adding electrical loads to the
generator. There should be nothing connected to the generator
outlets before starting its engine. The correct and safe way to
manage generator power is to sequentially add loads as follows:
1. With nothing connected to the generator, start the engine
as described later in this manual.
2. Plug in and turn on the first load, preferably the largest
load you have.
3. Permit the generator output to stabilize (engine runs
smoothly and attached device operates properly).
4. Plug in and turn on the next load.
5. Again, permit the generator to stabilize.
6. Repeat steps 4 and 5 for each additional load.
Never add more loads than the generator capacity. Take
special care to consider surge loads in generator capacity as
previously described.
Surge
(Starting) Watts
100
0
1800
0
500
0
75
75
75 Highest Surge
Watts
2475
+ 75
2550
English
CAUTION:
Do not overload the generator's capacity. Exceeding the
generator's wattage/amperage capacity can damage the
generator and/or electrical devices connected to it.
Tool or Appliance
Essentials
Light Bulb − 75 Watt
Refrigerator/Freezer
Sump Pump − 1/2 HP
Water Well Pump − 1/3 HP
Electric Water Heater
Heating/Cooling
Furnace Fan − 1/2 HP
Window AC − 10,000 BTU
Space Heater
Kitchen
Microwave Oven − 1000 Watt
Coffee Maker
Electric Stove − Single Element
Toaster Oven
Family Room
VCR
CD/DVD Player
Stereo Receiver
Color Television − 27 in.
Other
Security System
Curling Iron
Garage Door Opener − 1/2 HP
Hair Dryer − 1/2 HP
DIY/Job Site
Quartz Halogen Work Light
Airless Sprayer − 1/3 HP
Reciprocating Saw
Electric Drill − 1/2 HP
Circular Saw − 7-1/4 in.
Miter Saw − 10 in.
Planer/Jointer − 6 in.
Table Saw/Radial Arm Saw − 10 in.
Air Compressor − 1 HP
*Wattages listed are approximate. Check tool or appliance for actual wattage.
6
Typical
Continu-
Typical Surge
ous*
( Starting)
( Running)
Watts
Watts
75
75
700
2200
1050
2200
1000
1500
0
4000
800
2350
1200
1800
0
1800
0
1000
0
1000
2100
0
0
1200
100
0
100
0
450
0
500
0
500
0
0
1500
875
2350
1250
0
0
1000
600
1200
960
0
600
900
1400
2300
1800
1800
1800
1800
2000
2000
1600
4500
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