MGE UPS Systems Galaxy 3000, Installation And User Manual

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Glossary G — 3
86-172010-00 C05
NFPA National Fire Protection Association.
PN Part number.
On-line mode Inverter output power is the primary energy source to load.
Off-line mode Inverter output is off, and the load connected at the inverter output receives power
from utility line via a static transfer switch or maintenance bypass relay.
OSHA Occupational Safety and Health Agency.
PCA Printed circuit assembly.
PCB Printed circuit board.
PWM Pulse Width Modulation.
Q1 UPS input isolation switch.
Q3BP Optional maintenance switch.
Q4S Control or bypass switch.
Q5N UPS isolation circuit breaker or switch.
Remote Emergency A switch used for shutting down electrical equipment from a location away from the
equipment.
Power Off
REPO Remote Emergency Power Off.
SCR Silicon controlled rectifier.
Shipping damage Any damage done to an article while it is in transit.
SCR Silicon controlled rectifier.
Shipping Pallet A platform on which articles are fixed for shipping.
Static Transfer An solid state switching mechanism electronically controlled to pass AC power
directly from the utility to an output load.
Technician Refers to an electronic technician qualified to maintain and repair electronic
equipment. Not necessarily qualified to install electrical wiring.
Test connector DB-9 type connector on the LCD panel allowing MGE UPS SYSTEMS Customer
Support Service technician to access programmable and diagnostic features of the
system.
UL Underwriter’s Laboratories, Inc.
V Volts
VA Volt-amperes, unit for apparent power measurement, equal V x I.
Vac Voltage of AC type.
Vdc Voltage of DC type.
Installation and User Manual