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PAGE 26 — DCA70SSJU4i
LOAD APPLICATION
Always be sure to check the nameplate on the generator
and equipment to insure the wattage, amperage, frequency,
and voltage requirements are satisfactorily supplied by the
generator for operating the equipment.
Generally, the wattage listed on the nameplate of the
equipment is its rated output. Equipment may require
130—150% more wattage than the rating on the nameplate,
as the wattage is influenced by the efficiency, power factor
and starting system of the equipment.
WATTS = VOLTAGE x AMPERAGE
The power factor of this generator is 0.8. See Table 7 below
when connecting loads.
Current
in
Amperes
At 200
2.5 300 600 1000 ft. 600 ft. 375 ft. 250 ft.
5 600 1200 500 ft. 300 ft. 200 ft. 125 ft.
7.5 900 1800 350 ft. 200 ft. 125 ft. 100 ft.
10 1200 2400 250 ft. 150 ft. 100 ft.
15 1800 3600 150 ft. 100 ft. 65 ft.
20 2400 4800 125 ft. 75 ft. 50 ft.
CAUTION: Equipment damage can result from low voltage
NOTICE
If wattage is not given on the equipment’s nameplate,
approximate wattage may be determined by multiplying
nameplate voltage by the nameplate amperage.
Power Factor
Single-phase induction motors 0.4-0.75
Electric heaters, incandescent lamps 1.0
Fluorescent lamps, mercury lamps 0.4-0.9
Electronic devices, communication
equipment
1.0
Common power tools 0.8
When calculating the power requirements for 3-phase
power use the following equation:
An inadequate size connecting cable which cannot carry the
required load can cause a voltage drop which can burn out
the appliance or tool and overheat the cable. See Table 6.
When connecting a resistance load such as an
incandescent lamp or electric heater, a capacity of up
to the generating set’s rated output (kW) can be used.
When connecting a fluorescent or mercury lamp, a
capacity of up to the generating set’s rated output (kW)
multiplied by 0.6 can be used.
When connecting an electric drill or other power tools,
pay close attention to the required starting current
capacity.
When connecting ordinary power tools, a capacity of up to
the generating set’s rated output (kW) multiplied by 0.8 can
be used.
NOTICE
If 3Ø load (kVA) is not given on the equipment
nameplate, approximate 3Ø load may be determined
by multiplying voltage by amperage by 1.732
NOTICE
Motors and motor-driven equipment draw much greater
current for starting than during operation.
DANGER
Before connecting this generator to any building’s
electrical system, a licensed electrician must install
an . Serious damage to
the building’s electrical system may occur without this
transfer switch.