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MITSUBISHI
ELECTRIC
9700 SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
1-2
MITSUBISHI ELECTRIC 9700 SERIES UPS
1.1 Definitions
UNINTERRUPTIBLE POWER SUPPLY SYSTEM (UPS) - All components within the UPS
Module Cabinet includes the batteries which function as a system to provide continuous,
conditioned AC power to a load. This is sometimes referred to as the "System".
UPS MODULE CABINET - The metal enclosure which contains the Converter / Charger,
the Inverter, the Static Transfer Switch, the Internal Bypass line, the operator controls, and
the internal control system required to provide specified AC
power to a load.
UPS MODULE - The Converter / Charger and Inverter assemblies which, under the
direction of the internal control system and operator controls, provide specified AC power
to a load.
CONVERTER / CHARGER - The UPS components which contain the equipment and
controls necessary to convert input AC power to regulated DC power required for battery
charging and for supplying power to the Inverter.
INVERTER - The UPS components which contain the equipment and controls necessary
to convert DC power from the Converter / Charger, or the battery, to AC power required by
the critical load.
STATIC TRANSFER SWITCH - The device which connects the critical load to the bypass
line when the UPS module cannot supply continuous power.
BYPASS LINE - The line which conducts electricity directly from the input power source to the
critical load during Maintenance or whenever the UPS is not completely operational.
INPUT POWER - Power provided by the electrical utility company, or auxiliary generator,
which is connected to the UPS for supplying the critical load.