Operating Modes; Normal Mode - Avaya 1 Series Site Preparation, Installation And Operator's Manual

UPS Operation

Operating Modes

Input Plug
Input
EMI/RFI
Circuit
Filter
Breaker
Optional Optional
Battery Module/ Battery Module
EBC
44
After you install and apply power to the UPS, the UPS filters and
regulates incoming AC power, eliminating noise and voltage spikes, and
provides consistent power to your equipment (see Figure 16). While
power is applied to the UPS, the maintenance-free battery is
automatically kept in a fully-charged condition.
Bypass
Rectifier
Battery
Circuit
Breaker
Battery Module
Figure 16. UPS Block Diagram

Normal Mode

During Normal mode, the
displays the percentage of UPS load capacity being used by the protected
equipment (see Figure 17).
OVERLOAD
I1
I2
I3
OUTPUT ON
LOAD ON
APPROX.
81-100%
LOAD
Figure 17. Normal Operation Indicators
Avaya Model 3000 UPS Operator's Manual
Load
Relay
Inverter
UPS
Load
Battery
Charger
µ
i ndicator illuminates and the front panel
LOAD ON LOAD ON LOAD ON
APPROX. APPROX. APPROX.
61-80% 41-60% 0-40%
LOAD LOAD LOAD
S
AC Input
to BDM
BDM
LOAD OFF
NORMAL
UTILITY
167-405-119 Issue 6 Uncontrolled Copy
UPS Load