User's Manual

Table Of Contents
Section 5877 User Instructions
Issue AQ, January 15, 2013 Spec. No. 582140000 (Models 802NLDB, 802NLEB and 802NL-B)
Page 3-8 Chapter 3. System Operating Procedures
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Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
EXTERNAL ALARMS
MCA Customer Alarm Relay circuit cards may be installed. These alarm relays are
mapped to the MCA alarms per the MCA configuration. See the table in Section 5876
(Installation Instructions) for the MCA default configuration. Another table is provided in
Section 5876 (Installation Instructions) to document a custom configuration.
STARTING AND STOPPING SYSTEM OPERATION
Rectifier Normal Starting Procedure
Place the Rectifier Standby/Operate switch in the I "operate" position.
Rectifier Stopping Procedure (Local)
Complete Shutdown
1) Place the Rectifier Standby/Operate switch in the "standby" position.
Local TR Shutdown
Note: When a Rectifier is shut down via the Local TR Shutdown feature, it must be
manually restarted. The Local TR Shutdown feature DOES NOT
automatically restart Rectifiers to deliver current in any operational or alarm
state of the DC plant. The Rectifier must be manually restarted by
navigating the MCA and selecting to turn the Rectifier back ON as detailed
in the following procedure.
1) With SYSTEM OK being displayed on the MCA Interface Pad, press and release
the FUNCTION SET ENTER key. The FUNCTION MENU is displayed.
or
In the MAIN ALARM MENU, repeatedly press and release the FUNCTION
SELECT DOWN arrow key until "GO TO FUNCTION MENU" is displayed. Press
and release the FUNCTION SET ENTER key. The FUNCTION MENU is
displayed.
2) Repeatedly press and release the FUNCTION SELECT DOWN arrow key until
"TURN PCU ON OR OFF" is displayed. Press and release the FUNCTION SET
ENTER key.
3) Repeatedly press and release the FUNCTION SELECT UP or DOWN arrow key
until the Rectifier to be stopped using the local TR feature is displayed.
4) With this Rectifier being displayed, press and release the ALARM CUTOFF and
FUNCTION SET ENTER keys simultaneously.
5) "ARE YOU SURE?" is displayed. Press and release the FUNCTION SET YES
(+) key.
6) Press and release the FUNCTION SET YES (+) and NO (-) keys simultaneously,
to return to the beginning of the MCA menu tree.
7) Repeat this procedure to restart the Rectifier.
Rectifier Stopping Procedure (Remote) (if optional LMS installed)
Refer to the LMS User Instructions (Section 5847). Section 5847 can be accessed via
the CD (Electronic Documentation Package) furnished with your system.