Shutdown Procedure - Toshiba 4200FA Installation And Operation Manual

The UPS battery charging circuit is now activated. Move the "STOP/RUN" key switch to the
"RUN" position. The inverter will then start and the UPS will transfer to the Normal
Operating Mode. Both the AC IN and the INV lamp will be "on." The following system
message is an example of the main MONI (monitor) screen for standard operation:
If a fault occurs during start-up, the red FAULT lamp will be "on" and the LCD screen will
display a FAULT(s) DETECTED at start-up message such as the following:
Refer to the "Line-2 System Fault Messages" section for details.
6.16

Shutdown Procedure

When turning off the UPS, the following shutdown procedure should be used:
Move the "STOP/RUN" key switch, located on the front panel, to "STOP." Operation of the
inverter halts. Output power is now provided to the load through the unit's Bypass circuit.
While in this state of operation; if a power failure occurs in the commercial power
source, the UPS will lose power. Power to the critical load device will be interrupted.
The battery charging circuit and chopper circuit remains active.
DANGER
The green AC IN lamp is "on" and the green BYP lamp is "on." The LCD screen shows the
following message:
Move the Circuit Breaker to the "off" position. Power is removed from the UPS and to
any attached loads. All lamps are "off" and the LCD screen shows the following message
as long as sufficient power remains to display it:
When the EPO (Emergency Power Off) switch, located on the front panel (or from a remote
located EPO switch) is pushed, the Circuit Breaker is tripped and power is removed from
54
- UPS ON-LINE -
OUTPUT VOLTAGE=208 V
>CURRENT 100/80/90%
DATE (DAY) TIME
UPS FAULT (BYPASS ON)
(DESCRIPTION)
PRESS DOWN TO DETAIL
> ENTER FOR DETAILS
Do not touch the UPS terminals even though the operation switch has
been moved to the STOP position. The UPS may be supplying power
through the Bypass circuit.
- BYPASS OPERATION
OUTPUT VOLTAGE=208
V
>CURRENT 100/100/100%
DATE (DAY) TIME
- OUTPUT SHUT DOWN -
OUTPUT VOLTAGE= 0 V
CURRENT=LOW/LOW/LOW%
4200FA Installation and Operation Manual