User Manual Advanced Power Systems MPR25, MPR15 Series

108 Appendix B: NT5C10CO shelf
UM5C06B / C ( 169-2071-500 ) P0711722 Standard 10.00 May 2001
6
5
4
3
2
1
OPEN
CLOSED
The above settings will provide a delay of approximately 24 hours, which is
sufficient to charge the batteries with a reserve of 80 to 120AH, and at the
same time supply power to a 10 A load. When the load is 6 A, or less on a
battery reserve of less than 80AH, open the SW1-4 and close the SW1-3 for a
delay of 12 hours.
Adjustment and verification
The following steps are required to verify the system’s operation.
CAUTION
The power system batteries must be fully charged to their
nominal voltage before proceeding with the following steps.
Procedure 23 - Adjustment and verification
Step Action
1 Release the clamping bar of the power shelf by loosening the two
retaining screws.
2 Remove the right blank panel by removing the screw, pushing it up and
pulling it out.
3 Locate the timer SW1 switch on the circuit pack, then set the switches
as follows (see the following illustration).
4 Turn “ON” the DC and AC breakers of both rectifiers.
5
Verify that the rectifiers, float and equalize voltage levels are correct. If
necessary, adjust them to the battery manufacturer’s specifications.
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