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Don't overload generator, Capacity, Power management – Briggs & Stratton 030213 User Manual

Page 11: Operating the generator

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OPERATING THE GENERATOR

11

DON'T OVERLOAD

GENERATOR

Capacity

You must make sure your generator can supply enough
rated (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 rated (running) watts of these items. See
Figure 6.

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.Total surge watts is estimated by adding
only the one item with the highest additional surge
watts to the total rated watts from step 2.

For Example:

Total Rated (Running) Watts

= 1875

Highest Additional Surge Watts

= 1600

Total Generator Output Required = 3475

Power Management

It is important to take care when adding electrical loads
to your generator.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 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 generator capacity.Take
special care to consider surge loads in generator capacity,
as described above.

*Wattages listed are approximate only. Check tool or
appliance for actual wattage.

Tool or Appliance

Rated*

(Running)

Watts

Additional

Surge

(Starting)

Watts

Essentials

Light Bulb - 75 watt

75

-

Deep Freezer

500

500

Sump Pump

800

1200

Refrigerator/Freezer - 18 Cu. Ft.

800

1600

Water Well Pump - 1/3 HP

1000

2000

Heating/Cooling

Window Fan

300

600

Furnace Fan Blower - 1/2 HP

800

1300

Kitchen

Microwave Oven - 1000 Watt

1000

-

Coffee Maker

1500

-

Electric Stove - Single Element

1500

-

Hot Plate

2500

-

Family Room

Stereo Receiver

450

-

Television - 27”

500

-

Personal Computer w/17” monitor

800

-

Other

AM/FM Clock Radio

300

-

Electric Water Heater - 40 Gallon

4000

-

Quartz Halogen Work Light

1000

-

Airless Sprayer - 1/3 HP

600

1200

Reciprocating Saw

960

960

Electric Drill - 1/2 HP

1000

1000

Circular Saw - 7 1/4”

1500

1500

Miter Saw - 10”

1800

1800

Table Saw/Radial Arm Saw - 10”

2000

2000

Air Compressor - 1-1/2 HP

2500

2500

Figure 6 - Wattage Reference Chart

Tool or Appliance

Rated (Running)
Watts

Additional Surge
(Starting) Watts

Refrigerator

800

1600

Deep Freezer

500

500

Television

500

-

Light (75 Watts)

75

-

1875 Total Running
Watts

1600 Highest Surge
Watts