Classic Manual Rev L
36 | P a g e 1 0 - 0 0 1 - 1 R E V L
On the right side of the AUTO EQ setup menu is the number of DAYS that the AUTO EQ will
retry if it does not finish the number of hours and minutes the Classic has been programmed
to EQ for during the first day. For instance, you set the AUTO EQ for an interval of every 30
days and the RE-TRY for 3 days. Then the first day it attempts an EQ, the Classic only
accumulates 1 hour of a 2-hour EQ cycle, the next day the Classic will re-attempt the EQ cycle.
If the Classic does not finish the EQ cycle on the 2nd day of its 3 allotted re-try days, it will
have one more day to try to finish the Equalize cycle. After this, if it did not complete the 2
hours of EQ time, it will not continue another day. The Classic will show “EQ DONE" on the
status screen until either the start of the next day or until the user presses a button on the
MNGP to stop it earlier.
The bottom of the AUTO EQ screen shows the time, in hours and minutes, that the EQ is set
for. Depressing the RIGHT SOFT key, labeled VIEW, takes you to a screen where you can view
the interval and re-try counters (timers).
Setting Date and Time
To set the date and time manually on the Classic, follow these steps:
Depress the MAIN MENU key repeatedly until CHARGE is highlighted.
Scroll left or right to highlight MISC and depress ENTER.
Scroll to TIME and depress ENTER.
Scroll left or right to highlight the data you want to manually change.
Use the UP and DOWN ARROW keys to change the data.
When you have all the data changed, depress ENTER to save the changes.
The Classic includes a battery (CR1216) in the MNGP to keep the time running even when the power
is disconnected. To replace the battery, gently pinch the left and right sides of the MNGP and
carefully remove the cover. Be careful not to pull the cover too far away from the MNGP base; the
cover is connected to the base via speaker wire. Replace battery. Reinstall MNGP cover; ensure all
the pushbuttons protrude evenly through the front cover cutouts.
NOTE: If you plan to use the Local App to set the time, TIME SYNCH in the TWEAKS Menu must be
disabled to prevent the MNGP from over-writing the time stamp from the Local App.
Arc Fault
Because safety is not an option, the Arc Fault Detector is a unique safety component included in
every Classic. The Classic is the first charge controller in the world to successfully stop a series arc.
The Classic can detect an arc in less than 100ms. From low power arcing to devastating high power
arcing, the Classic will detect then shut down with an audible and visible alert to announce that
there is a problem in the PV side of the system. When an arc is detected, the Classic has to be
manually cleared.
Resetting the Arc Fault Detector after detection has occurred: The first thing to do is find and fix the
actual arcing wire, terminal, splice, etc. The Classic needs to be powered down completely for 15
seconds and then powered back up. Do this by turning the DC source (PV, wind, or hydro) breaker
off. Then turn off the external battery breaker. Turn both breakers back on starting with the battery
breaker first.
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