Poulan 420077 owner manual Electrical, Dont Overload Generator

Models: 420077

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ELECTRICAL

ELECTRICAL

DON'T OVERLOAD GENERATOR

CAPACITY

Make sure the 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 the generator must produce to keep the items running. See the wattage reference chart at the 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:

Tool or Appliance

Rated (Running)

 

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

 

 

 

 

 

 

 

 

 

Maximum

Total Rated (Running Watts)

= 3075

Allowed

5800

Highest Additional Surge Watts

= 1800

 

Total Generator Output Required

= 4875

6200

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 the 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 earlier 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.

WARNING:

Do not overload generator's capacity. Exceeding generator's wattage/amperage capacity can damage generator and/or electrical devices connected to it.

 

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

100

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

 

 

 

PersonalComputerw/17"monitor

800

 

 

 

Other

 

 

 

 

 

Security System

180

AM/FM Clock Radio

300

Garage Door Opener - 1/2 HP

480

520

 

 

 

Electric Water Heater - 40 Gal.

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

Planer/Jointer - 6"

1800

1800

 

 

 

Table Saw/Radial Arm Saw - 10"

200

2000

 

 

 

Air Compressor - 1-1/2 HP

2500

2500

 

 

 

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

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Poulan 420077 owner manual Electrical, Dont Overload Generator