Modes Of Operation; Normal Mode; Buck/Boost Mode - PD Technology 350 Instruction Manual

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MODES OF OPERATION

Normal Mode

During normal mode operation, the PDT Power Series supplies conditioned power, to the
connected equipment: mains power passes through the TVSS circuitry and the EMI/RFI filters
and then through the Bi-Directional Converter to connected equipment.
When the unit is in Normal mode, the Mains Indicator illuminates green.
The PDT Power Series continuously monitors the batteries to maintain them in a fully charged
state. The battery charger operates whenever AC power is present, even if the unit is
switched off. By default, the unit is set to perform an automatic battery test after it has been
operating continuously for two weeks.

Buck/Boost Mode

The Automatic Voltage Regulator (AVR) circuitry compensates for fluctuations in mains
power, such as voltage surges and sags.
abnormality, it raises the under voltage (boost) or lowers the over voltage (buck) as needed.
The AVR operates automatically and maintains the output voltage to the connected critical
equipment, without utilizing the batteries.
When the unit is in Buck/Boost mode, the Mains Indicator illuminates amber.
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Mains
Indicator
(Green)
When the PDT Power Series detects an
Mains
Indicator
(Amber)
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