Liebert 130 kVA - Manual (Page 88)

User Manual
Hipulse - Single Phase ‘1+N’ UPS System 130 kVA - 110V
68
3. Close the Rectifier input power switch Q1 and
UPS output power switch Q4.
After approximately 20 seconds the Module Mimic
led’s will change so that the Load on inverter will
light (5-steady green) and the Load on bypass (6)
will extinguish. The display window will show:
4. Before closing the battery circuit breaker check
the d.c. bus-bar voltage. From the above window
press the ENTER key. The Main menu will display:
Select MEASUREMENT and press ENTER key
Select BATTERY and the d.c. busbar voltage will
be displayed.
If the voltage indicated is satisfactory (432V d.c. for
380V a.c. system, 446V d.c. for 400V a.c. system,
and 459V d.c. for a 415V a.c. system ) press the
escape key repeatedly until the display returns to
the original window.
5. Manually close the battery circuit breaker.
The Module Mimic inidicator (3) Battery unavailable
should extinguish. Several led’s on the Battery
state of charge bargraph (17) will illuminate
showing battery state of charge.
When the battery circuit breaker has been closed
and the inverter has stabilized the screen will
change to the default window.
Default window:
The message shown below, will be seen on the
default screen whenever the UPS is operating
normally.
The top lines display the UPS operational status
and indicates alarm conditions when they occur;
and the bottom line shows the time and day.
The UPS is operating normally with its inverter
supplying the load.
Follow the foregoing procedure for the other UPS.
For a system configured in the “1+N system”, the
‘N’ UPS modules will simultaneously change from
“load on bypass” to “load on inverter” provided that
a sufficient number of modules are running, and
on-line, to satisfy the power load requirements.
BATTERY C.B. OPEN
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BATTERY C.B. OPEN
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>MEASUREMENT <
FUNCTION
MAINTENANCE
SETUP
>MEASUREMENT <
FUNCTION
MAINTENANCE
SETUP
OUTPUT
INPUT
>BATTERY <
TEMPERATURE
OUTPUT
INPUT
>BATTERY <
TEMPERATURE
BATTERY
VOLTAGE 446 [V]
CURRENT 001 [A]
CHARGE 000 [%] BATTERY
VOLTAGE 446 [V]
CURRENT 001 [A]
CHARGE 000 [%]
NORMAL OPERATION
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NORMAL OPERATION
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