Classic SL owner’s manual REV E 2056
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battery manufacturer. To adjust these voltages follow the steps below.
Press Main Menu to enter the Main Menu
Scroll right or left until Charge is highlighted and push the Enter button
Highlight Volts and press the Enter button
Use left and right arrow keys to highlight the set point voltage to adjust
Use up and down arrow keys to lower or raise the voltage
Press the Enter button to save the new voltages.
Current Limit
The Classic has a current limit component which interacts with the temperature of the charge controller.
If the Classic is exposed to extremely hot ambient conditions the output current will be reduced
automatically to keep the charge controller safe. If the orange LED comes on the MNGP, it means that the
Classic is in current limit mode. If you believe the Classic is not hot and the orange LED is on, most likely
the current limit set point is too low. To check this, follow steps below.
Press Main Menu
Highlight the CHARGE menu and press the Enter Button
Scroll to LIMITS and press the Enter Button
Press the right arrow key to highlight the “Out Amps” column
Use the up and down arrow keys to change the current limit then press the Enter Button to save
this data
Calibrating Battery and PV Voltage
To calibrate the Classic battery and PV voltage reading, you will need a Volt meter to check the actual
battery bank voltage or input PV voltage. Using the volt meter measure the voltage on the DC terminal
connector of the Classic (refer to Screenshot 1) compare this reading to the reading on the Status screen in
the Classic (press Status if not in this screen). To adjust the reading of the Classic to the one in the volt
meter follow these steps:
Press Main Menu, scroll to TWEAKS and press Enter
Highlight VBatt and use the up and down arrow keys to match both of the readings
Press the Enter button to save
Note. Use the description below to help complete the calibration of the Classic voltages.
TWEAKS screen
Configuring DC Input Source
To select the Mode the Classic will run in, follow the steps below.
Push the Main Menu button.
Scroll left or right until Mode is highlighted and then push the Enter button.
Battery voltage adjust
Battery voltage
offset
Displayed
battery voltage
Input voltage adjust
Input voltage
offset
Displayed Input
voltage
Screenshot 1
Summary of Contents for Classic 150-SL
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