User`s manual

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9
PRODUCT FEATURES
The following describes the major sub-systems within the DEFENDER HE DE1.
INPUT POWER FACTOR CORRECTION - The DEFENDER HE DE1 system includes
state - of – the – art input power factor correction. This greatly reduces the amount of
current demanded from your building wiring system, yielding a highly efficient “Building
Friendly” DE1 System.
RECTIFIER/INVERTER
The Rectifier-Inverter system provides controlled sine wave power to the output. The
output voltage and frequency are monitored by the microprocessor and controlled to
provide precision power with changing inputs and outputs to the DE1 system.
MICROPROCESSOR, Display
The microprocessor monitors the input and the output to the DE1 system and corrects
for any abnormal condition that may occur. This is displayed on the LCD for operator
information.
DIAGNOSTIC TESTS
When you start the DE1, a diagnostic test is automatically executed that checks the
electronics, batteries, and reports and problems on the display.