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NetSure™ 2100 Series -48 VDC Power System Installation Manual (IM582138000)
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Rev. C
81
a)
Requirement:
An audible alarm sounds. The alarm will cancel in Requirement c.
b)
Requirement:
Mini Control Unit “Critical/Major” alarm indicator stays red.
c)
Requirement:
Press ESC repeatedly to return to the Main screen. Mini Control Unit displays
“Alarm”.
To see the specific alarm(s), navigate to the Alarm Menu and press
ENT
. The Active Alarm screen
lists one critical and two major alarms. “
Rect Group Multi-Rect Fail Critical
” is displayed. Use
arrow keys to scroll through the list of alarms. “
Rect ### Comm Fail Majo
r” is displayed for each
removed rectifier.
d)
Requirement:
External “Rectifier” (Relay 8) and “Major” (Relay 2) alarms remain in alarm state and
“Critical” (Relay 1) alarm activates.
5.
Reinstall the rectifier module(s).
a)
Requirement:
“Power” indicator on subject rectifier(s) goes from off to green.
b)
Requirement:
Mini Control Unit “Critical/Major” alarm indicator goes from red to off.
c)
Requirement:
Press ESC repeatedly to return to the Main screen. Mini Control Unit displays “No
Alarm”.
d)
Requirement:
All external alarms deactivate.
Checking System Over Voltage Alarm 1 and Over Voltage Alarm 2
1.
Verify system is operating and no alarms are present.
2.
Verify the Mini Control Unit displays the Main Menu. If not, press ESC repeatedly to return to the Main
Menu.
3.
Record the system voltage displayed on the Mini Control Unit Main screen.
4.
Navigate to the Settings Menu.
5.
With the Settings menu screen displayed, navigate to “Over Voltage 1”. Main Menu / Settings Icon /
Other Settings / Over Voltage 1. Record the displayed voltage setpoint.
6.
Press the Enter (ENT) key; then use the UP or DOWN keys to adjust the “Over Voltage 1” value to below
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:
Mini Control Unit “Critical/Major” alarm indicator goes from off to red.
c)
Requirement:
Press ESC repeatedly to return to the Main Menu. Mini Control Unit displays “Alarm”.
To see the specific alarm(s), navigate to the Alarm Menu and press
ENT
. The Active Alarm screen
lists one critical alarm. “
Power System Over Voltage 1 Critical
” is displayed.
d)
Requirement:
External “DC Over Voltage 1” (Relay 3) and “Critical” (Relay 1) alarms activate.
7.
Without readjusting the “Over Voltage 1” setpoint, navigate to “
Over Voltage 2
”. Main Menu / Settings
Icon / Other Settings / Over Voltage 2. Record the displayed voltage setpoint.