UPS469-01-00 PowerWAVE 3000T User Manual Dated 05-04-13 4-11
4: Operation
10. Open the Bypass Line fuse holder FA2 and the Rectifier Line fuse holder FA1.
4.5.2 Starting the UPS system from the Maintenance Bypass mode
This procedure describes the sequence of operations necessary to power up the UPS module whilst the load
is connected to the Maintenance Bypass supply, and then transfer the load to the UPS Inverter (‘On-Line’
mode).
Powering up the UPS Module:
1. On the UPS module close the Bypass Line fuse holder FA2 and the Rectifier Line fuse holder FA1 if they
are open.
2. Close the battery fuse F1 (and the battery fuse/isolator on the external battery cabinet/rack where used).
a) The UPS mimic panel LINE 1 LED will be permanent green.
b) The BATTERY LED will be flashing green.
c) The LCD display will indicate LOAD OFF, SUPPLY FAILURE.
3. Close the Output Isolator switch (IA2).
4. On the UPS mimic panel simultaneously press both ON/OFF buttons then release them and wait for
approximately 60 seconds.
a) The UPS module will begin to power up.
b) Initially LINE 2 LED will be red, then change to green.
c) At this stage the LCD display will indicate LOAD NOT PROTECTED and the module mimic LED
indications should be as follows:
WARNING: The UPS module is still live at its input and output power terminals due to the
activation of Maintenance Bypass circuit.
WARNING: Allow 10 minutes for the internal DC capacitors to discharge before touching any
UPS internal components.
WARNING: The load is now supplied from the bypass mains and is not protected against
power failure.
WARNING: All the operations in this section must be performed by authorised and trained
personnel.
To Next Page
Loading...
Need help?
General