Classic SL owner’s manual REV E 2056
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P a g e 1 0 - 0 0 1 - 3 R E V : E
Scroll to the right and highlight the current Mode than use the up and down arrows to set the
mode you want.
Take note of the Right soft key most modes have some set points that can be adjusted.
Press the Main Menu button until you get back to the Mode Menu
Set the ON/OFF to ON and press Enter
The following Modes will appear in this order in the MODE Menu.
Solar
This is the default mode for PV systems and has a very fast sweep (typically1/2 second or less) that will
re-sweep at user adjustable sweep intervals, unless the Classic finds that it needs to do a sweep on its own
because of changing conditions. The timed sweep interval is user adjustable and is in units of
minutes. SOLAR mode is typically best for PV systems, especially if there is partial shading at times
during the day. SOLAR mode is best suited for shaded or un-shaded PV arrays that are at least one
nominal voltage above the battery voltage. For severe partial shading or PV arrays with nominal voltage
equal to battery voltage, you may also want to try Legacy P&O (Perturb and Observe) MPPT mode.
Legacy P&O
Legacy P&O (Perturb and Observe) mode is a slow tracking mode similar to the Micro Hydro mode but
with the difference that it is slightly faster and will shut off if the power source goes off.
It has two settings that are user adjustable. Sweep Interval is the time between mini-sweeps, in minutes,
and sweeps around the present (i.e. the last found) MPP Voltage. The range of this sweep is determined by
the Sweep Depth user adjustment and is expressed as a percentage of Watts that the sweep started
from. For example, if in Legacy P&O mode, the Classic was outputting 500 Watts and the Sweep Depth
percentage was set for 10% (50 Watts), the sweep will bring the input voltage DOWN until the output
power drops down to 450 Watts, then will sweep UP in voltage until the power drops again down to 450
Watts and then go back to the newly found MPP Voltage, waiting for the next sweep.
Note: Mode must be manually turned ON after changing the mode. To turn the mode ON highlight the
OFF under ON/OFF and switch it to ON. Press enter to save this change.
Setting the Date and Time
To set the date and time manually on the Classic follow the steps below.
Push the Main Menu button repeatedly until Charge is highlighted.
Scroll left or right to highlight “MISC” and push the Enter button
Scroll to “Time” and push Enter
Now scroll left or right to highlight the data you want to manually change. Use the up and down buttons to
change the data. When you have all the data changed push the Enter button to save the changes.
The Classic includes a battery (CR1216) in the MNGP portion to keep the time running even when the
power is disconnected. To replace the battery refer to the Installation Manual
Summary of Contents for Classic 150-SL
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