7
115159H - LV I/O OPTION
Status/Alarm Functions:
Status/Alarm outputs are powered when the selected status or alarm is
triggered.
Powered
,
Charging
,
On Battery
,
Test Active
, and
Norm Off Active
are available status functions. An output set to the
Powered
function will be
powered as long as the unit is on. If the Series LV unit is bulk, absorption, or
float charging, an output set to
Charging
will be powered. If the Series LV unit is
in manual test, monthly test, or a yearly test, an output set to
Test Active
will be
powered. If the unit is in emergency backup, any output set to
On Battery
will be
powered.
Normally Off Active
functions similarly to On Battery, except there
are options in the
Normally Off Relay
section of the
System Setup
menu that
keep the normally off load powered for a varying amount of time after the Series
LV unit returns from emergency backup.
Charger
,
Summary
,
Over current
,
Overload
,
Test Failed
,
Load Red, Heat sink
temperature, Input Fuse Failed
are all available alarm functions. If an output is set to one of these alarms, and
the Series LV unit has this alarm, the output relay is powered.
Table 4.2 Status Functions
Status Function
Description
Powered
Engages the output relay when the LV Series unit is powered.
Charging
Engages the output relay when the LV Series unit is charging.
On Battery
Engages the output relay when the LV Series unit is in emergency backup.
Test
Engages the output relay when the LV Series unit is conducting an inverter test.
Norm Off Active
Engages the output relay when the normally off relay is powered.
AC Present
Engages the output relay when AC is greater than 60Vac
Table 4.3 Alarm Functions
Alarm Function
Description
Charger
Engages the output relay when the LV Series fails to charge correctly
Summary
Disengages the output relay when LV Series summary contact is Disengaged*
Over current
Engages the output relay when the LV Series unit is in over current.
Overload
Engages the output relay when the LV Series unit is overloaded.
Test Failed
Engages the output relay when a monthly, yearly, or manual test has failed.
Load Red
Engages the output relay when the load falls below the load reduction set point.
Heat Sink
Engages the output relay when the heat sink temperature goes about 90°C
Input Fuse Failed
Engages the output relay when the unit has an input fuse failed alarm
*Summary alarms activates the relays when the unit has no alarms, and deactivates them when
there is an alarm
