Manualshelf

Classic-SL Manual 10-001-3_REV-E

ManualsBrandsMidNite Solar ManualsCharge ControllerMidNite Solar Classic 250 MPPT Charge Controller
21222324252627282930
Classic SL owner’s manual REV E 2056
23 | P a g e 10- 0 0 1 - 3 R E V : E
Disabling GFP
The GFP feature should only be disabled to operate the Classic in an ungrounded power system or in
systems where GFP is not required.
Press Main Menu
Scroll to the right or left until TWEAKS is highlighted and press ENTER
In TWEAKS press the right soft key to get to the MORE menu
In MORE scroll until GFP is highlighted
Use the up and down arrow keys to toggle between on and off
Press ENTER to save
Commissioning the Classic SL (Quick Start)
The Classic will enter into the Quick Set screens upon initial power up. If the Classic does not enter into
the quick set or you want to restore to Factory Default follow these steps to initiate a Quick Set.
With the power off to the Classic Hold the left and right arrow buttons down.
Turn the power on to the Classic and continue to hold the arrow buttons until the setup screen is
displayed.
Answer the questions on the next few screens to complete the Quick Set.
Equalization
To do a manual Equalization charge, go into the Charge menu and highlight “EQ” and press “Enter”. Now
“EQ Stopped” will be highlighted. Scroll up to select “Eq Started”. Press the “Status” button to return to
the home screen. To stop a manual EQ in progress simply reverse the steps above. A manual EQ when
started will last for that day.
Battery Charge Stages and Meanings
Bulk MPPT
This stage of the Classic means that the Classic will be putting out 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
This stage means that 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 is reached
first. At this stage the Classic is not putting out maximum current, as that would increase the battery
voltage over the Absorb set point. This is also referred to as Constant Voltage Mode.
The absorb time is proportional to the bulk time (i.e. the time bulk takes to reach the absorb voltage). The
battery is considered “full” at the end of the absorb charge cycle.