Application Guide

Installation Instructions Section 5876
Spec. No. 582140000 (Models 802
NLDB, 802NLEB and 802NL-B) Issue AT, April 26, 2013
Chapter 5. Installing the Rectifiers and Initially Starting the System Page 5-35
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9) “ARE YOU SURE?” is displayed. Press and release the FUNCTION SET YES
(+) key.
a) Requirement: MCA "MINOR" indicator goes red.
b) Requirement: MCA displays DISTRIBUTION GROUP B LOAD ALARM.
c) Requirement: External alarms activate (if configured).
10) With DISTRIBUTION GROUP B = aaaaaA being displayed in the ALARM
ADJUSTMENT MENU, press and release the ALARM CUTOFF and FUNCTION
SET ENTER keys simultaneously.
11) Press the FUNCTION SET YES (+) key until the value displayed is increased to
the value recorded in step 5) or to the required value for your site, then release
the key.
12) Press and release the FUNCTION SET ENTER key.
13) “ARE YOU SURE?” is displayed. Press and release the FUNCTION SET YES
(+) key.
a) Requirement: MCA "MINOR" indicator goes out.
b) Requirement: External alarms reset (if configured).
14) Press and release the FUNCTION SET YES (+) and NO (-) keys simultaneously,
to return to the beginning of the MCA menu tree.
Checking Fuse Alarm/Circuit Breaker Alarm
Procedure
1) Ensure that all circuit breakers are in the ON position.
2) Remove an alarm-type fuse from a distribution fuse module, and replace with a
known open fuse.
a) Requirement: The bay's "Bay Alarm" indicator goes red.
b) Requirement: The distribution panel's "CBA/FA" indicator goes red.
c) Requirement: MCA “MAJOR” indicator flashes red.
d) Requirement: MCA displays 1 SYSTEM BREAKER OR FUSE ALARM.
e) Requirement: External alarms activate (if configured).
3) Replace the open fuse with a known good fuse.
a) Requirement: The bay's "Bay Alarm" indicator goes out.
b) Requirement: The distribution panel's "CBA/FA" indicator goes out.
c) Requirement: MCA “MAJOR” indicator goes out.
d) Requirement: MCA displays SYSTEM OK message.
e) Requirement: External alarms reset (if configured).
4) Perform steps 2) and 3) for each remaining distribution fuse module located in
the system.
Note: The following procedure is to be used only with circuit breakers that provide
an alarm indication when manually placed to the OFF (open) position.
Electrical trip alarm circuit breakers cannot be easily tested in the field.
5) Place a distribution circuit breaker to the OFF position.