120 Volt Ac Power Outlets; Rated Versus Actual Current Draw Of Equipment; Power Inverter Output Waveform; Protective Features - DeWalt DXAEPS2 Instruction Manual

120 Volt AC Power Outlets

RATED VERSUS ACTUAL CURRENT DRAW OF EQUIPMENT

Most electrical tools, appliances, electronic devices and audio/visual
equipment have labels that indicate the power consumption in amps or
watts. Be sure that the power consumption of the item to be operated
is below 1000 watts. If the power consumption is rated in amps AC,
simply multiply by the AC volts (120) to determine the wattage.
Resistive loads are the easiest for this unit to run; however, it will not
run larger resistive loads (such as electric stoves and heaters), which
require far more wattage than the unit can deliver on a continuous
basis. Inductive loads (such as TVs and stereos) require more current
to operate than do resistive loads of the same wattage rating.

POWER INVERTER OUTPUT WAVEFORM

The AC output waveform of this unit is known as a modified sine wave.
It is a stepped waveform that has characteristics similar to the sine wave
shape of utility power. This type of waveform is suitable for most AC
loads, including linear and switching power supplies used in electronic
equipment, transformers, and small motors.

PROTECTIVE FEATURES

The unit monitors the following conditions:
Low internal battery voltage: The unit will automatically shut down
when the battery voltage drops too low, as this can harm the battery.
High internal battery voltage: The unit will automatically shut down
when the battery voltage is too high, as this can harm the unit.
Thermal shutdown protection: The unit will automatically shut down
when the unit becomes overheated.
Overload/short circuit protection: The unit will automatically shut
down when an overload or short circuit occurs.
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Important Notes Concerning the AC Power Outlets
1. The two AC Power Outlets provide a combined total power draw
of 1000W.
2. When the AC Power Outlets are in use, the unit will monitor for
the following fault conditions: thermal fault, low and high battery
voltage fault, overload and short circuit (refer to the "Protective
Features" section). If a fault condition exists in either of the AC
Power Outlets, AC Power Outlets will shut down automatically
and the backlit LCD screen will continuously display the following:
The Battery Status Icon lights solid and the Digital Display will show
"0"; the Wattage Indicator and Fault Icon on the LCD Screen will
flash. Should this occur:
a. Disconnect all appliances from the unit.
b. Press the AC Power Button to turn the AC Power Outlets off.
c. Make sure the unit does not need to be recharged.
d. Allow the unit to cool down for several minutes.
e. Make sure the combined rating of all appliances plugged into
the unit is 1000 watts or lower and that appliance cord(s) and
plug(s) are not damaged.
f. Assure there is adequate ventilation around the unit before
proceeding.
USING THE DUAL 120 VOLT AC OUTLETS
The two 120 Volt AC Outlets are located on the front of the unit (refer
to Fig. 2 to locate). The two outlets support a combined maximum
power draw of 1000 watts.
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