Table 8. Configuration settings (continued)
Description
Available settings
Default setting
Overload alarm level
[10%] [20%] [30%]...[100%]
If 100%, the UPS issues an Output Overload alarm at load >
100%.
Note:
Output Overload Level 1 by default is set to 100% and is
configurable from 10% to 100% in 10% increments through the
LCD setting
menu. This enables you to be alerted before the
UPS has reached its rated capacity limits.
100%
Automatic start delay
[Off] [0s] [1s] [2s]...[32767s]
See “Configuring load segments” on page 27.
0s for Load Segment 1
1s for Load Segment 2
Automatic on battery
shutdown
[Off] [0s] [1s] [2s]...[32767s]
See “Configuring load segments” on page 27.
Off
Site wiring fault alarm
[Enabled] [Disabled]
Disabled
Bypass voltage low
limit
[-6%] [-7%]...[-20%] of nominal
The Bypass operation is disabled if the measured bypass voltage
level is below the nominal output voltage (-15%).
Note:
The Qualify Bypass setting might overrule the Bypass
Voltage Low Limit setting.
-15% of nominal
Bypass voltage high
limit
[+6%] [+7%]...[+20%] of nominal
The Bypass operation is disabled if the measured bypass voltage
level is above the nominal output voltage (+10%).
Note:
The Qualify Bypass setting might overrule the Bypass
Voltage High Limit setting.
+10% of nominal
Qualify bypass
[Always] [Never] [Bypass Disabled]
If Always, Bypass operation is allowed when:
v
Bypass voltages > the value set for Bypass Voltage Low Limit
v
Bypass voltages < the value set for Bypass Voltage High Limit
v
Bypass frequency > (nominal frequency -3 Hz)
v
Bypass frequency < (nominal fre3 Hz)
v
Inverter is synchronized with Bypass when unsynchronized
transfers are disabled by the value set for Unsynchronized
Transfers
If Never, Bypass operation is always allowed, if the utility is within
the UPS operating limits; voltage and frequency limits are not in
use. If Bypass Disabled, Bypass operation is prohibited.
Always
Extended battery
modules (EBMs)
[0] [1]
See “Configuring the UPS for an extended battery module” on
page 29.
0
Battery low alarm
[Immediate] [2 min] [3 min] [5 min]
If you select a value, the battery low alarm is triggered when the
set amount of backup time (approximately) remains in the
batteries.
3 minutes
Automatic battery tests [Enabled] [Disabled]
See “Running automatic battery tests” on page 30.
Enabled
Clear alarm history
The number after “Total events” shows how many events are
currently stored in the log. Press the OK button for 1 second to
reset the event count to zero and clear the log.
Not applicable
Chapter 3. Operating the uninterruptible power supply
25
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