Low VAC Alarm
User can enable or disable this alarm by selecting the up or down arrow keys to
“On” or “Off” and then press the Enter Key. If the user enables this alarm, the
default setting is 85 percent of nominal AC line voltage but is fully adjustable. Using
the up or down key, adjust the voltage to the desired level. There are high and low
limits to this alarm and are within the range 100 percent to 60 percent respectively.
Low VAC Alarm factory default setting is off.
High VAC Alarm
This alarm works just like the Low VAC alarm so it can be enabled or disabled
and adjusted however, the default setting for this alarm is 115 percent of nominal
AC line voltage. The high and low limits are 140 percent and 100 percent
respectively. High VAC Alarm factory default setting is off.
Low Battery Alarm
Low Battery alarm is Factory Enabled and is set to 85 percent of battery nominal
DC voltage. For a 48VDC system, this translates to approximately 40.8VDC. This
alarm level can be user changed and is adjustable from Nominal to 85 percent of
nominal which translates to 40.8V for a 48VDC system.
Near Low Battery Alarm
Near Low Battery alarm is Factory Enabled and is set to 98 percent of battery
nominal. For a 48VDC system, this translates to approximately 47VDC. This alarm
level can be user changed and is adjustable from Nominal to 85 percent of nominal
which translates to 48V to 40.8V for a 48VDC system.
Utility Failure Alarm
This alarm can be turned on and off and has no threshold levels. Factory Default
setting for this alarm is off.
High Temperature Alarm
The system has an internal temperature sensor. The system temperature may
be a bit higher than ambient temperature – please keep this in mind if using the
High Temperature Alarm. The High Temperature alarm is adjustable from 0 °C - 60
°C and is activated when the temperature goes above this level. Factory default for
this alarm is off and if enabled will immediately default to 40 °C (about 104 degrees
F.)
Time Delay
Time Delay is a feature that keeps the switched loads on for the duration of the
Time Delay setting. If Time Delay is set to off, the switched outputs will immediately
go off upon event ending (Power Loss or System Test). If Time Delay is set to 10,
the switched loads will remain energized for 10 minutes after power has been
restored. This feature is useful when there are HID (High Intensity Discharge) lights
on the site and these lights have a re-strike time before they can be turned on
again due to the cooling process. The factory default setting for this is off but can
be User Adjusted up to 15 minutes.
LM/LMOPT SERIES | 41
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