Portable Generator

DON'T OVERLOAD GENERATOR

Capacity

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 described above.

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.This is the amount of power your generator must produce to keep your items running. 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 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:

Tool or Appliance

Rated (Running)

 

Additional Surge

Watts

 

 

(Starting) Watts

 

 

 

Window Air

 

1200

 

 

1800

Conditioner

 

 

 

 

 

Refrigerator

 

800

 

 

1600

Deep Freezer

 

500

 

 

500

Television

 

500

 

 

-

Light (75 Watts)

 

75

 

 

-

 

3075 Total

 

1800 Highest

 

Running Watts

 

Surge Watts

Total Rated (Running) Watts

 

= 3075

 

Highest Additional Surge Watts

= 1800

 

Total Generator Output Required

= 4875

 

Power Management

To prolong the life of your generator and attached devices, it is important to take care when adding electrical loads to your generator.There should be nothing connected to the generator outlets before starting it's 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 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.

Figure 6 - Wattage Reference Chart

 

Rated*

Additional

 

Surge

Tool or Appliance

(Running)

(Starting)

 

Watts

 

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 AC - 10,000 BTU

1200

1800

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

 

 

DVD/CD Player

100

-

VCR

100

-

Stereo Receiver

450

-

Color Television - 27”

500

-

Personal Computer w/17” monitor

800

-

Other

 

 

Security System

180

-

AM/FM Clock Radio

300

-

Garage Door Opener - 1/2 HP

480

520

Electric Water Heater - 40 Gallon

4000

-

DIY/Job Site

 

 

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 Planer - 6”

1800

1800

Table Saw/Radial Arm Saw - 10”

2000

2000

Air Compressor - 1-1/2 HP

2500

2500

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

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Briggs & Stratton 01971, 01970 owner manual Dont Overload Generator, Capacity, Power Management

01970, 01971 specifications

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