Emerson MPR15 Series, MPR25 Procedure 23 - Adjustment and verification, Open, Closed, Step

108 Appendix B: NT5C10CO shelf

OPEN

6

5

4

3

2

1

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

1Release the clamping bar of the power shelf by loosening the two retaining screws.

2Remove the right blank panel by removing the screw, pushing it up and pulling it out.

3Locate the timer SW1 switch on the circuit pack, then set the switches as follows (see the following illustration).

4Turn “ON” the DC and AC breakers of both rectifiers.

5Verify that the rectifiers, float and equalize voltage levels are correct. If necessary, adjust them to the battery manufacturer’s specifications.

continued

UM5C06B / C ( 169-2071-500 ) P0711722 Standard 10.00 May 2001