Emerson 581127000, Installation Instructions Manual

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Installation Instructions IM581127000
Spec. No. 581127000 (Model 710
NPBA
) Issue AB, March 22, 2012
Chapter 5. Installing the Modules and Initially Starting the System Page 103
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Note that if the system is equipped with only two
converters, “AllConvCommFail” is displayed.
d) Requirement: External
“Relay 2 Major Summary Alarm” and “Relay 10
Converter Major Alarm
” (requires EIB Interface Board to be installed in the
system) remain active. External
“Relay 1 Critical Summary Alarm” and
“Relay 9 Converter Critical Alarm” (requires EIB Interface Board to be
installed in the system) activate.
5) Reinstall the converter(s). Refer to the previous procedure Installing the
Converters .
a) Requirement:
“Power” indicator on subject converter(s) goes from off to
green.
b) Requirement:
ACU+ “Critical/Major” alarm indicator goes from red to off.
c) Requirement: Press ESC repeatedly to return to the Main screen. ACU+
displays “
No Alm
”.
d) Requirement: All external alarms deactivate.
Checking System Under Voltage Alarm 1 and Under Voltage Alarm 2 Procedure
1) Verify system is operating and no alarms are present.
2) Verify the ACU+ displays the Main screen. If not, press ESC repeatedly to return
to the Main screen.
3) Record the system voltage displayed on the ACU+ Main screen.
4) Press ENT to go to the Main Menu. Navigate to and select
“
Settings
” (ENT).
5) If a password screen opens, a password must be entered to allow the User to
make adjustments. If a password was previously entered and has not yet timed
out, skip this step and proceed to step 3). Otherwise, to enter a password, with
the cursor at the User Name field
(default is “Admin”), press the down arrow key
to move cursor down to the password line. Press ENT
. “0” is highlighted. Press
the up arrow key once to change the “0” to”1” (default password is “1”), then
press
ENT twice. ( Note: If you have been assigned a unique User Name and
password, follow this procedure to enter these.)
6)
With the Settings menu screen displayed, navigate to “
Power System
” (ENT) /
“
General
” (ENT) / “
24V Under Volt1
”. Record the displayed voltage setpoint.
7) Press ENT . Use the up or down arrow
keys to adjust the “24V Under Volt1”
value to one volt above the system voltage recorded in step 3). Press ENT .
a) Requirement: An audible alarm sounds. The alarm will be silenced in
Requirement c).
b) Requirement:
ACU+ “Critical/Major” alarm indicator goes from off to red.
c) Requirement: Press ESC repeatedly to return to the Main screen. ACU+
displays “
Alarm
”.
To see the specific alarm, press ENT to display the Main Menu.
Navigate as follows: “
Status
” (ENT) / “
Active Alarm
” (ENT).
The Active Alarm screen lists one critical alarm.
Press
ENT
. “
Power System 24V Under Volt1 Critical
” is displayed.
d) Requirement: External
“Relay 1 Critical Summary Alarm” and “Relay 4
Under Voltage 1 Alarm
” activate.