Bedienungsanleitung Black Decker BDV066 (Seite 3 von 68) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Schwedisch, Norwegisch, Finnisch)

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Principle of operation

The power inverter converts power in two stages. The first

stage is a dc-to-dc conversion process that raises the low

voltage dc at the inverter input to 145 Vdc. The second stage

is the actual inverter stage that converts the high voltage dc

into 230 Vac, 50 Hz.

The dc-to-dc converter stage uses modern high-frequency

power conversion techniques that have replaced the bulky

transformers found in less technologically advanced models.

The inverter stage uses advanced power MOSFET transistors

in a full bridge configuration. This ensures excellent overload

capability and the ability to operate reactive loads like small

induction motors.

The power inverter output waveform

The ac output waveform of the power inverter is known as a

"modified sine wave".

This type of waveform is suitable for most ac loads, including

linear and switching power supplies used in electronic

equipment, transformers and motors.

Operating instructions

Power source requirements

The power source must provide 12.5 Vdc and must be able to

supply the necessary current to operate the load.

Warning! The power inverter must be connected only to

batteries with a nominal output voltage of 12 volts. The

appliance will not operate from a 6 volt battery and will sustain

permanent damage if connected to a 24 volt battery.

Connection to a power source

The power inverter comes equipped with a 12 Vdc accessory

plug (4) and battery clamps (5) for connection to a dc power

source.

Connecting to a power source using the 12 Vdc

accessory plug

The 12 Vdc accessory plug (4) is suitable for operating the

power inverter at power outputs up to 100 Watts. The tip of

the plug is positive (+) and the side contact is negative (-).

Warning! Connect the ring terminals to the terminals (7) of the

power inverter before connecting the accessory plug to the

accessory outlet. Make sure that the On/Off switch (3) is turned

off (O) and that no flammable fumes are present in the

installation area.

X Connect the ring terminal of the red cable to the red

terminal (7) marked (+) on the back of the power inverter.

X Connect the ring terminal of the black cable to the black

terminal (7) marked (-) on the back of the power inverter.

X Connect the power inverter to the power source by

inserting the 12 Vdc accessory plug (4) firmly into the

accessory outlet of a vehicle or other dc power source.

Warning! You must connect directly to the power source when

operating above 100 watts.

Warning! Do not use with positive ground electrical systems,

(i.e. older vehicles).

Warning! A reverse polarity connection will result in a blown

fuse and may cause permanent damage to the power inverter.

Run times

With a typical vehicle battery, a minimum operating time of

2 to 3 hours can be expected. In most instances, 5 to 10 hours

of operating time is achievable. However, the manufacturer

recommends that the operator start the vehicle every half

hour to recharge the battery system. This will guard against

any unexpected shut-down of the equipment and will ensure

that there is always sufficient battery capacity to start the

vehicle's engine.

The power inverter may be used whether or not the vehicle's

engine is running. However, the power inverter may not

operate while the engine is starting because the battery

voltage can drop substantially during cranking.

The power inverter draws less than 0.7 amperes from the

battery when it is not supplying power to a load and the On/

Off switch (3) is on (I). In most instances, the power inverter

can be left connected to the battery when not in use since it

draws very little current. However, if the vehicle is to remain

unused for several days, disconnect the power inverter from

the battery.

Rated versus actual power requirements of equipment

Most electrical tools, appliances and audio/video equipment

have labels that indicate the power consumption in amps or

watts. Be sure that the power consumption of the item you

wish to operate is rated at 400 watts or less.

The power inverter is fitted with overload protection and will

shutdown if a load in excess of 400 W is applied.

Resistive loads (i.e incandescent lights) are the easiest for

the power inverter to run.

Larger resistive loads, such as electric stoves or heaters,

usually require more wattage than the appliance can deliver

on a continuous basis.

Inductive loads, such as TV's and stereos, require more

current to operate than do resistive loads of the same

wattage rating. Induction motors, as well as some

televisions, may require 2 to 6 times their wattage rating to

start up.

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