18
3. Operation
• During operation, the battery is charged automatically.
Status indicator
Beep
Power supply output receptacles
None
Outputs power (connected devices are powered)
●
When the power switch is OFF and the AC input plug is connected to a
commercial power supply :
• The status indicator displays " ".
• Power output is stopped.
• The battery automatically starts recharging.
●
Start procedure
Operation
Turn on the power switch of the UPS.
• Output begins in Bypass Mode about 10 seconds after the switch is activated. (Status indicator “ “).
However, “ ” is displayed at cold start, and output begins in Battery Mode.
• The beeper sounds and the current setting is displayed on the status indicator.
Cold start ON/OFF setting
➛
Output voltage setting.(See item 6 on page 33.)
• The status indicator displays “
”, and the self-diagnostic test is performed in Battery Mode for
about 10 seconds. (If the battery voltage is low, the self-diagnostic test is not performed. It is auto-
matically executed after the battery is charged.)
*1 When the self-diagnostic test finishes successfully, switching to AC output from commercial
power is performed and normal operation starts.
*2 Self-diagnostic test is not performed at cold start.
• When the self-diagnosis test fi nishes normally, the unit switches to AC output from commercial power
and enters normal operation through inverter mode. .
3-2
Start and stop procedures and basic operation
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Commercial Power
Battery
Bypass
Inverter
Commercial Power
Battery
D-1
<Note>
D-1 : The most recently displayed error code (refer to item 4 on page 21)
(If no errors have occurred, " " is displayed.)
Commercial
operation
AC input
7 seg.
Power supply SW
Power supply
output lamp
Bypass operation
lamp
Operating mode
Operating mode
Output
Startup
preparation
about
10 sec.
about
10 sec.
about
2 to 3 sec.
Bypass
mode
Self-diagnostic
test
1 sec.
Cold start ON/OFF setting
➛
See page 13.
See also
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