VPRS-4175E OPERATION MANUAL
Issue : 2009.03
ED : 1
VPRS-4175E OPERATION MANUAL 19 /31
Figure 2. VPRS-4175E Block Diagram
3 Initialization & Check Points
3.1 Installation Check List
To check installation of the system, take the following procedure:
1) Check if the Shelf has been fixed to the floor.
2) Check if the battery charge temperature compensation probe has been fixed.
3) Check if NFB has been installed in the DC distribution frame.
4) Check if the battery has been correctly connected.
If the battery polarity is reversed, relay will not work when power is fed.
5) Check if the battery C/B is in the ON Position.
6) Check if the Shelf frame ground has been connected to the main ground
busbar.
7) Check if the AC input ground has been connected to the main ground busbar.
8) Check if the I/O cable has been correctly connected.
9) Check if the rectifier modules have been fully inserted.
Once all of the cabling and installation procedures are finished, initialize the system
and carry out the function test in the following order.
1) Check if all of the power switches have been turned off, and check polarity and
cable connection status of batteries using DVM.
2) Check if the input power has been correctly connected and check the input
voltage using DVM.
3) Check if the output cables have been correctly connected, and check polarity.
4) Turn on the AC power switch at the right side of each shelf.
5) Check if the STB LED at the rectifier module is turned to yellow. Then, turn on
the module switch.
