Application Guide

Section 5876 Installation Instructions
Issue AT, April 26, 2013 Spec. No. 582140000 (Models 802
NLDB, 802NLEB and 802NL-B)
Page 4-20 Chapter 4. Making Electrical Connections
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MCA Relay
Function
Channel #
Alarm
Name
Alarm
Configuration
Assigned to
Relay #…
installed in
Slot #…
of any Bay
25
Defines which conditions
show up in the MCA Main
Alarm Menu (and scroll on
Line 1 of the MCA Display).
These conditions also
activate the Audible Alarm.
Emergency Stop Input Active,
Remote High Voltage
Shutdown Input Active,
System Voltage is Very Low,
System Battery On
Discharge, System High
Voltage #1 Alarm, System
High Voltage #2 Alarm, 1
System CB/Fuse Alarm, 2+
System CB/Fuse Alarm, 1
PCU Failure 'any' Type, 2+
PCU Failures 'any' Type, No
PCU in Inventory (installed),
1 Dist. Panel Failure, 2+ Dist.
Panels Failures, No Dist.
Panel in Inventory (Installed),
1 Router Failure, 2+ Router
Failures, No Router in
Inventory (installed), 1 Relay
Board Failure, 2+ Relay
Board Failures, No Relay
Board in Inventory (installed),
High Temp #1 Alarm, High
Temp #2 Alarm, Low Temp
#1 Alarm, Low Temp #2
Alarm, Temperature Sensor
No Signal, Controller (MCA)
Failure, Controller Initializing,
Total Distribution Load Alarm,
Distribution Group A Load
Alarm, Distribution Group B
Load Alarm, Monitoring Does
Not Respond, Display Does
Not Respond, All LMS LED
Channels, All PCU's AC Fail
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Table 4-1A (cont'd from previous page)
Default MCA Relay Function Channel Configurations and
Default MCA Customer Alarm Relay Assignments