20
LIGHT TEST Button
Press the LIGHT TEST button to enter the testing mode to check if the Lighting Control
Switch has been correctly set in order to control the lights based on desired timer. The
procedure is listed as below.
STEPS:
1. Select Dip Switch 7 to be ON
2. Press LIGHT TEST push button until the LOAD LED blinking in green and red in
turns.
3. The light will be lit on when the power circuit is operating well.
4. Press LIGHT TEST push button to return to charge battery/load control state.
Auto Detector for Day and Night
The SunWide uses the solar array to detect day and night. The transition to night requires
the solar panel delivering less than 6Vdc lasting for 10 minutes. The transition back to
day requires the solar panel delivery more than 10Vdc lasting for 10 minutes. Both state
changes require 10 minutes of continuous transition values before making the change.
These constraints avoid false transitions due to lightning or dark storm clouds.
Measure Night Length
The LIGHTING CONTROL options that turn the lights on again before sunrise require
that the SunWide measure the length of the night. Therefore, the controller cannot turn
the lights on before sunrise the first night after installation (or after reconnecting
the battery). If the solar array is disconnected during service, the controller will then
measure a faulty night length. Either reset the controller by reconnecting the battery, or
this short “night” will be automatically corrected by the controller after
4 days
of
service.
NOTE: The SunWide uses the open circuit voltage of the PV panel to determine the
correct time for dawn and dusk. If the PV panel is covered with debris (e.g. snow, leaves,
dirt), the PV panel voltage may be too low which can cause load timing errors. If the load
is operating erratically, make sure the PV panels are clean, there are no obstructions
shading the array, and the PV panels are oriented to the sun correctly. The SunWide will
automatically correct load timing errors within 4 days of clearing the array.