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| DETERMINING
ELECTRICAL LOAD FOR GENERATOR You must decide what electrical load your generator can power. Do this before using generator. Use the following four-step method. It will help you select a load that is not too large. Make sure total wattage of all electrical loads does not exceed rated wattage of generator. For rated wattage of your generator, see Specifications. Electric motors present a special problem when figuring load. Read Step 3 carefully. |
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| 1. Make two lists of items you want
powered by generator. List all motors and motor powered appliances in
one. List all lights, small appliances, etc. in the other. For
standby service to home or building, only include items you must power. 2. Enter running watts of each item except motors. The light bulb or appliance nameplate lists its wattage. Remember, 1KW = 1000 watts. NOTE: The nameplate may not list wattage. It may only list volts and amps. The formula for finding wattage is: Volts x Amps = Watts. For example: An appliance nameplate states 3 amps at 120 volts. 3 amps x 120 volts = 360 watts.
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3. Electric motors present a special
problem. They require up to three-times their rated wattage to start.
Chart 2, below, shows starting watts for different size motors. For
example: an electric motor nameplate states 5 amps at 120 volts.
5 amps x 120 volts = 600 watts running. Multiply this figure by 3.
This will show the starting watts needed. 600 watts x 3 = 1800 watts
to start. When figuring the generator load for motors, you must use
the starting watts figure. Do not use the running watts figure.
NOTE: Some motors require nearly the same wattage to run as to start.
These items include saws, drills, hair dryers and food mixers. See
Chart 1 for typical appliance wattage examples. 4. Add watts and starting watts of all items. This total must not be larger than the rated wattage of your generator. It is a good idea to have up to 25% extra capacity for future needs or extra equipment. |
Generator Design & Part Number Subject to change without notice.
| Chart 1 TYPICAL ELECTRIC APPLIANCE WATTAGES | |||||
| Equipment | Running Watts | Starting Watts |
Equipment
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Running Watts | Starting Watts |
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Light bulb (100 W) |
100 | 100 | 1.2" Drill | 1000 | 1250 |
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Radio |
150 | 150 | Toaster | 1200 | 1200 |
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Fan |
200 | 600 | Coffee maker | 1200 | 1200 |
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Television |
400 | 400 | Skillet | 1200 | 1500 |
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14" Chain Saw | 1200 | 1500 | ||
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Furnace fan (1/3 hp) with blower |
600 | 1800 | Water well pump (1/2 hp) | 1000 | 3000 |
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Vacuum Cleaner |
600 | 750 | |||
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Sump pump (1/3 hp) |
700 | 2100 | Hot plate/range (per burner) | 1500 | 1500 |
| Refrigerator/freezer | 800 | 2400 | |||
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6" Circular saw |
800 | 1000 | 10" table saw | 2000 | 6000 |
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Flood light |
1000 | 1000 | Water heater (storage-type) | 5000 | 5000 |
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CHART 2 APPROXIMATE STARTING WATTS* |
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| Motor HP Rating | Approximate Running Watts | Universal Motors (small appliances) | Repulsion Induction Motors | Capacitor Motors | Split Phase Motors |
| 1/8 | 275 | 400 | 600 | 850 | 1200 |
| 1/4 | 400 | 500 | 850 | 1050 | 1700 |
| 1/3 | 450 | 600 | 975 | 1350 | 1950 |
| 1/2 | 600 | 750 | 1300 | 1800 | 2600 |
| 3/4 | 850 | 1000 | 1900 | 2600 | x |
| 1 | 1000 | 1250 | 2300 | 3000 | x |
| 1 1/2 | 1600 | 1750 | 3200 | 4200 | x |
| 2 | 2000 | 2350 | 3900 | 5100 | x |
| 3 | 3000 | x | 5200 | 6800 | x |
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* - Always use starting watts, not running watts, when figuring correct electric load. |
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x - Motors of higher horsepower are not generally used. |
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MASTER PORTABLE GENERATORS HONDA GASOLINE ENGINES CONTROL PANELS (4 TO 10 KW MODELS) |
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ALTERNATORS
YANMAR DIESEL ENGINES
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ROLL CAGES
ACCESSORIES - PA2020 HEAVY DUTY WHEEL KIT
PA2010 AUTO-IDLEŽ KIT
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Generator Design & Part Number Subject to change without notice.
| 2 YEAR LIMITED WARRANTY The rotor, stator, and other electrical components are covered by a 2 year limited warranty against defects in material and workmanship from date of purchase from a DESA distributor. The limited warranty on the engine is covered separately by the engine manufacturer. See owner's manual for further details. |
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EXTENSION CORDS Only use grounded extension cords. Be sure to use extension cord with proper wire gauge size. See chart below. |
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Recommended Minimum Wire Gauges (AWG) for Extension Cords |
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| Ampere Load | AWG for Length of Cord in Feet |
| 50' | 100' | 150' | |
| 2 | 18 | 18 | 18 |
| 3 | 18 | 18 | 18 |
| 4 | 16 | 16 | 16 |
| 5 | 16 | 16 | 16 |
| 6 | 16 | 16 | 14 |
| 8 | 16 | 14 | 12 |
| 10 | 16 | 14 | 12 |
| 12 | 14 | 14 | 12 |
| 14 | 14 | 12 | 10 |
| 16 | 12 | 12 | 10 |
| 20 | 10 | 10 | 8 |
Generator Design & Part Number Subject to change without notice.
| COMPARISON OF NOISE LEVELS IN DECIBELS | |
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110 |
Rock Music Concert |
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100 |
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90 |
Lawn Mower MASTER GENERATOR WITH HONDAŽ ENGINE |
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80 |
Standard Vacuum Alarm Clock |
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70 |
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| Normal Conversation | |
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60 |
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50 |
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| Hospital | |
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40 |
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Generator Design & Part Number Subject to change without notice.
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FEATURES 4000 to 10000 WATT UNITS
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QUALITY BUILT, DEPENDABLE, DURABLE GENERATORS |
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CALL US TOLL FREE: 1-800-843-6036
Prices Subject to Change Without Notice.
Product Design and Specifications Subject to Change Without Notice.
