11
2.0
Operation
To power up the UPS, commissioning to make sure batteries are fully charged and line power is qualified.
Switch on UPS in Line mode
1.
Switch on battery circuit breaker. All LEDs will be on and LCD will display Startup page, and fan will
be on.
2.
Switch on AC input breaker. After line power is qualified, the LCD will display
normal
,
buck
or
boost
according to line voltage range and line threshold setting.
Note:
AVR function default setting is disabled. You may activate it via LCD panel or USB/RS232/SNMP
communication.
Switch the UPS from line mode to battery mode
UPS will operate in battery mode if manually switch the input circuit breaker OFF. The LCD will display
“
Battery
”
and output LED will flash to show the UPS is running on backup battery power.
Switch from battery mode to line mode
After switching on the input circuit breaker, if line input is qualified, UPS will transfer to line mode with output LED
on to show UPS is running from utility power.
Note:
If UPS keeps switching between inverter and line mode because of a noisy line, the setting of
“
UPS Sense
type
”
should be changed from Normal to Generator.
Switch off procedure
For any reason you need to switch off UPS, please follow below procedure.
1.
Switch off output circuit breaker.
2.
Switch off input circuit breaker.
3.
Switch off battery circuit breaker. The output LED will turn off and LCD display will shut off.
Operation the Control panel
The control panel includes four-line LCD display, three indicators, three function keys, input contacts and six sets
of dry contacts. It can be rotated 90 degree for vertical installation.
Figure 8: Control Panel
LED Indicator
LED Indicator
Messages
Output
Green
Solid On
Output is available in line mode
Flashing
Output is available in battery mode
Off
Output is not available
Alarm
Yellow
Solid On
Alarms occur in the system, indicating a condition not
serious enough to stop it from providing output power.
Fault
Red
Solid On
Faults occur in the system, indicating a condition where
backup power is not available.
