13
115159H - LV I/O OPTION
0-10 LED Dimmer Application (Full Brightness)
Certain LED ballasts offer a dimmer feature that is controlled with a 0-
10dc voltage. The following section outlines an effective solution for returning
the LED lighting load to full brightness without having to purchase an external
emergency power dimmer control.
To wire a dimmed ballast so that it is full brightness when on emergency backup:
Connect the ballast dimming signal in series with
NC
and
C
of
OUT1
.
Figure 6.2
After wiring is completed, set
OUT1
to
On Battery
in the I/O settings menu in the
display. This causes the output contacts to switch whenever the LV Series unit
goes into emergency backup. During an emergency,
OUT1
opens the dimmer
signal, causing the ballast control to switch to full brightness.
Special considerations:
Some LED ballasts may not default to full brightness when the dimmer
signal is broken. Refer to the LED ballast manual for further details of its
functionality.
A second DC voltage can be applied to the NO contact of
OUT1
if full
brightness of the LED ballast is not required. During an emergency,
OUT1
will
switch to this signal voltage, dimming the ballast accordingly.