General - Mitsubishi Electric 9900B Series Owner Technical Manual

MITSUBISHI
ELECTRIC

1.2 GENERAL

The Mitsubishi 9900B SERIES UPS is designed to provide continuous and clean electrical
power to a critical load. Additionally, the UPS monitors power conditions affecting the load. In
the event of an input power failure, the UPS will supply power to the critical load for the
specified battery time.
If the input power is not restored promptly, backup power from the UPS battery permits the
orderly shutdown of equipment supported by the UPS. The UPS is simple to startup, operate
and maintain.
The 9900B SERIES UPS is available in 300, 500 and 750kVA. These specifications are shown
in Section 1.5. The principles of operation described herein are applicable to all models.
This manual provides an overview of the 9900B SERIES components and their functions. The
appearance and purpose of operator controls and indicators are described with procedures for
operation, startup, shutdown and basic maintenance.
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
MITSUBISHI ELECTRIC 9900B SERIES UPS
Page Number:
1-6