1-2
1.2 Operating Modes
There are three distinct and independent operating modes programmed into each SunStar.
Only one mode of operation can be selected for an individual SunStar. If a system requires a
charging controller and a load controller, two SunStars must be used.
Solar Battery Charging
The energy output of a solar array is used for recharging the system battery.
The SunStar manages the charging process to be efficient and to maximize the life of the
battery. Charging includes a bulk charging stage, PWM absorption, float and equalization.
DC Load Control
When set for DC load control, the SunStar powers loads from the battery, and protects the
battery from over-discharge with a current compensated LVD (low voltage load
disconnect).
DC Diversion Charge Control
In DC diversion mode, the SunStar will manage battery charging by diverting energy from
the battery to a dedicated diversion load. The energy source is typically wind or hydro.
1.3 Adjustability
Eight DIP switches permit the following parameters to be adjusted at the installation site:
DIP switch Solar battery charging (Diversion charge control)
1 (OFF) Battery charge control mode (Diversion charge control mode)
2 3 Select Battery Voltage
OFF OFF 48V system
ON OFF 24V system
OFF ON 12V system
4~6 Standard battery charging programs
7 (OFF) Manual Equalization
(ON) Auto Equalization
8 (OFF) Operating from Dip Switch 4~6 battery charging programs settings
(ON) VR1 and VR2 settings for user define battery charging programs
DIP switch Load control
1 (ON) Load control mode
2 3 Select Battery Voltage
OFF OFF 48V system
ON OFF 24V system
OFF ON 12V system
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