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Action, Verification, Installing the rectifier – Emerson NT5C06D User Manual

Page 28: Factory setting, Table 7 - rectifier settings, Procedure 2 - verification, Procedure 3 - rectifier installation procedure

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28 Installation and start-up

UM5C06D ( 169-2071-504 ) P0831010 Standard 7.00 May 2001

Verification

After completing the wiring of the power shelf perform the following:

Procedure 2 - Verification

Step Action

1

Verify that the power shelf has been mechanically secured.

2

Verify that all the wiring performed is correct by using a voltmeter.

3

Verify that all connections are mechanically correct (that is, tight, correct
connector, correct marking etc.)

4

Reinstall the AC and DC junction box cover on the left and right sides.

end

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Installing the rectifier

The NT5C06D rectifier is a plug-in unit intended for use in the MPS75

power shelf.

Procedure 3 - Rectifier installation procedure

Step Action

1

Release the clamping bar by loosening the two captive screws

2

Remove the blank panel for the rectifier to be installed (place a finger in the
hole, lift up, pull forward, then lower to disengage upper tabs from the shelf
top). Store the panel at the bottom of the shelf, under the rectifier.

3

Ensure that both AC and DC circuit breakers are in the OFF position.

4

Use a voltmeter to verify that the AC supply at the input of the shelf is 208
/ 240 V AC nominal.

5

Carefully slide the rectifier in position on top of the stored blank panel.

6

Insure that the rectifier is firmly slid and seated into position.

7

Reinstall the clamping bar by securing the two captive screws.

end

Factory setting

The rectifier is factory set as indicated in Table 7.

Table 7 - Rectifier settings

Load

Sharing

Slope load sharing method

Rectifier Output Voltage (FLOAT)

54.5 V DC ± 0.1 V

Rectifier Output Voltage (EQUALIZE)

55.2 V DC ± 0.1 V

Rectifier High Voltage Shutdown (HVSD) 59.0 V DC ± 0.1 V
Rectifier Output Current Limit

30 A

± 0.5 A