Key Functions; Moni; Out - Toshiba 4200FA XT Installation And Operation Manual

6.14 Key Functions

6.14.1 MONI

Upon completion of a successful UPS startup, the system will be in the AC Input mode of
operation. The LCD display will show the main MONI (monitor) function. If the MONI key is
pressed at this time the display output will not change. The MONI function monitors the entire
UPS system. The LCD display will switch off after a period of keypad inactivity and switch on
if any key is pressed. It will switch on if the battery discharge reaches a critical level or if an
abnormality develops in the system (see Section 6.15.3 — Settings for LCD Display
Duration). All system line messages will be displayed from the MONI mode when system
problems are detected. If the AC input power is available and no abnormal operating
conditions are present the following system message is displayed:
If an AC input power failure occurs and no abnormal operating conditions are present, the
UPS switches to standard Battery Backup mode. The following system message is displayed:
6.14.2 IN
Pressing the IN key during normal AC Input mode of operation displays input voltage
information. The following system message is displayed:
The bypass input voltage, frequency / Sync Mode, and converter current may be monitored
by pressing the DOWN/UP keys.

6.14.3 OUT

Pressing the OUT key during normal AC Input mode of operation displays output voltage,
current, and frequency information. The following system message is displayed:
The Output Line Voltages (phase-neutral, and phase to phase),
Frequencies / Sync Mode, Inverter Output Power, and Power Factor may be monitored by
pressing the DOWN/UP keys.
4200FA XT 80kVA Installation and Operation Manual
- UPS ON-LINE -
OUTPUT VOLTAGE= 208V
CURRENT=100/100/100%
DATE (DAY) TIME
- BATTERY BACKUP -
OUTPUT VOLTAGE= 208V
CURRENT=100/100/100%
DATE (DAY) TIME
- UPS ON-LINE -
INPUT Vab= 100%
VOLTAGE Vbc= 100%
Vca= 100%
- UPS ON-LINE -
OUTPUT Ia =100%
CURRENT Ib= 100%
Ic= 100%
Note: Actual numerical values may differ
from these examples. If output current
drops below 15%, display reads:
OUTPUT CURRENT=LOW.
Note: If output current drops below
15% display reads: CURR=LOW.
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