Vertiv
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NetSure 502NGFB Installation Manual (Section 6009)
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Rev. Z
72
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
Over Voltage 1 Critical” is displayed.
d)
Requirement
: External “DC Over Voltage 1” (Relay 3) and “Critical” (Relay 1) alarms activate.
8.
Without readjusting the “Over Voltage 1” setpoint, press the ESC key repeatedly to return to the Main
Menu. Then navigate as follows: Settings (ENT) / “Power System” (ENT) / “General” (ENT) / Over
Voltage 2. Record the displayed voltage setpoint.
9.
Press the Enter (ENT) key; then use the UP or DOWN keys to adjust the “Over Voltage 2” value below
the system voltage recorded in step 3. Press ENT.
a)
Requirement
: An audible alarm sounds. Alarm will be silenced in Requirement d.
b)
Requirement
: ACU+ “Critical/Major” alarm indicator stays 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 two critical alarms. Press ENT. “Power System
Over Voltage 2 Critical” is displayed. Use arrow keys to scroll through the list of alarms. “Power
System Over Voltage 1 Critical” is displayed.
d)
Requirement
: External “DC Over Voltage 1” (Relay 3) alarm and “Critical” (Relay 1) alarm remain
active.
10.
Press ESC repeatedly to return to the Main Menu. Navigate to “Settings” (ENT) / ““Power System”
(ENT) / “General” (ENT) / “Over Voltage 2”.
11.
Press ENT; then use the UP or DOWN keys to adjust the “Over Voltage 2” setting to the value recorded
in step 8. Press ENT.
NOTE!
Over Voltage 2 alarm will retire. The audible alarm will be silenced in the next step.
12.
Use the UP or DOWN keys to scroll up to “Over Voltage 1”.
13.
Press ENT; then use the UP or DOWN keys to adjust the “Over Voltage 1” setting to the value recorded
in step 6. Press ENT.
a)
Requirement
: ACU+ “Critical/Major” alarm indicator goes from red to off.
b)
Requirement
: Press ESC repeatedly to return to the Main screen. ACU+ displays “No Alm”.
c)
Requirement
: All external alarms deactivate.
