10
STEP 7: Battery Type Selection
Using a small screwdriver, turn the rotary switch to select the Battery Type. There are
3 choices (see section 8.2):
1 = Gel battery
2 = Sealed battery
3 = Flooded battery
A proper selection will flash the 3 Status LEDs together: 1 time for Gel, 2 times for
Sealed, and 3 times for Flooded.
If the rotary switch does not make a good contact with one of the 3 selections, the
3 LEDs will start flashing together and continue until a good contact is made.
STEP 8: Confirm Installation
After the connections are completed, observe the LEDs to make sure the controller
is operating normally for system conditions. If the optional digital meter is provided,
observe that the display is scrolling with proper voltage and amperage values. A self-
test can be performed with the digital meter (see section 5.4).
STEP 9: Grounding
For safety and effective lightning protection, the negative conductor of the solar
system should be properly grounded (see the NOTE below). In addition, the heat
sink can be grounded with a #8-32 UNC or M4 screw (0.136 hole provided).
The Solar, Battery, and Load negative terminals are all connected together inside the
ProStar per UL recommendations. No switching or measurement is done in the
negative current path.
NOTE:
For positive ground versions, the Solar, Battery and Load POSITIVE
terminals are connected together inside the ProStar. The positive system
conductor must be properly grounded. Make sure the upper label of the
ProStar indicates “Positive Ground“ above the version number to confirm
this is a positive ground ProStar controller.
7.0 OPERATION
7.1 OPERATOR’S TASKS
The ProStar is a fully automatic solar system controller that includes many electronic functions to
protect both the controller and the solar system. Battery charging is also fully automated (see
section 8.0).
The only manual tasks performed by the operator are:
a. Installation (see section 6.2)
b. Battery type selection (see section 6.2, Step 7)
c. Disconnect button / Self-test (see section 5.2 and 5.4)
d. Reset if a load short circuit does not automatically clear (see section 7.3)
e. Maintenance (see section 7.4)
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