Uninterruptible Power Supplies PowerWave 3000T, User Manual

Page: 40 / 60

4: Operation
4-10
UPS469-01-00 PowerWAVE 3000T User Manual Dated 05-04-13
Closing the Maintenance Bypass switch:
5. Close the Maintenance Bypass switch IA1.
6. Confirm that:
a) The
INVERTER
LED has turned to red.
b) The
BYPASS
LED is green.
c) The LCD displays
MANUAL BYP IS CLOSED
.
Powering down the UPS module:
When the load is connected to the Maintenance Bypass supply, as described above, the UPS module can be
powered down (for example, if required for maintenance/testing) using the following procedure:
7. On the UPS control panel simultaneously press both
ON/OFF
buttons.
a) The LCD panel will indicate:
LOAD OFF, SUPPLY FAILURE
.
8. Open the battery fuse/isolator F1.
Note: If using external batteries open the battery fuses/isolator on the associated battery cabinet/rack.
9. On the UPS module open the module’s Output Isolator (IA2).
LINE 1
LINE 2 BY PASS
INVERTER
BATTERY
LOAD
LED Colour
LINE 1 Green
LINE 2 Green
BY PASS Green
INVERTER OFF
BATTERY Green
LINE 1
LINE 2 BY PASS
INVERTER
BATTERY
LOAD
LED Colour
LINE 1 Green
LINE 2 Green
BY PASS Green
INVERTER RED
BATTERY Green
LINE 1
LINE 2 BY PASS
INVERTER
BATTERY
LOAD
LED Colour
LINE 1 Green
LINE 2 Off
BY PASS Off
INVERTER Off
BATTERY Green Flashing