Isolite E3-MAC Series, Installation & Operation Manual, Page: 33 / 40

Low VAC Alarm
User can enable or disable this alarm by selecting the up or down arrow keys to “On”
or “Off” a nd 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.
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