Classic Manual Rev L
29 | P a g e 1 0 - 0 0 1 - 1 R E V L
Menu Overview:
<< CHARGE — MODE — AUX — MISC — LOGS — TWEAKS — TEMPS — NET >>
Below each of the menu names is a row with a description of the menu inside. To enter a
menu, the name of the menu has to be highlighted. Pushing ENTER will show the submenus.
The UP and DOWN ARROW keys are enabled for easier navigation. Highlighting a sub menu
and pushing ENTER will take you inside the submenu where you will be able to change the
parameters of the unit. To get out of the submenus, push MAIN MENU; this will take you out
of the submenus one at a time every time you push it. See Pages 69-72 for Classic Menu
Maps.
Battery Charge Stages
Bulk MPPT
The Classic will output as much current as it can to raise the battery voltage to the Absorb
voltage set point. This is also known as constant current mode.
Absorb
The Classic will maintain the Absorb set point voltage until the batteries are charged. This
stage is terminated at the end of the Absorb time or the End Amps set point, whichever
occurs first. In Absorb the Classic is not outputting maximum current, as that would increase
the battery voltage over the Absorb set point. Absorb is referred to as constant voltage mode.
The battery is considered “full” at the end of the Absorb charge cycle.
NOTE: The Absorb cycle terminates whenever the Absorb timer expires or whenever Ending
Amps is reached, whichever occurs first. The amount of time for the Absorb cycle is
determined by the battery manufacturer. Without manufacturer guidance, a rule-of-thumb
for lead-acid batteries is as follows:
1. Divide the battery bank Ah capacity by the total charging amps from the Classic.
2. Multiple the result by 0.42.
3. The answer is in decimal format, so multiple the tenths by 60 to get the total
minutes.
4. Example:
a. 400Ah bank; 80A max charging current
b. 400Ah / 80A = 5.00 hours
c. 5.0 x 0.42 = 2.10
d. 0.10 x 60 = 6 minutes
e. Absorb time = 2 hours, 6 minutes.
Float
A Float cycle follows the Absorb cycle. Battery voltage is held at the Float voltage set point.
Equalize
The Equalization function can be manually initiated or can be set up to Auto Equalize. The
intent of an Equalization charge is to bring all battery cells to an equal voltage by a
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