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18
Once the RMS-DCDC is on, it will display different pages depending
on the sources connected. PV Charing Mode will take priority when
charging the house or starter batteries. House battery information will
appear on the top line and starter battery information in the bottom line.
Working Mode
Only PV Charging—Starter Battery & House Battery
Connected
1.PV charging requires a minimum
of 15V for 10s to start charging. PV
will prioritize charge to the house
battery bank and charge until the
lead-acid battery reaches the Float
Voltage. If the house battery is
Lithium, then it will reach the Boost
Voltage and derate amps complete-
ly to indicate fully charged since
they do not have a Float Voltage.
2.Next, PV charging will maintain
the house battery and trickle
charge the starter battery at 13.8V.
The Generator charging arrow will
appear during this time.
*Note: The maximum charging
amps for the starter battery will
be 50% of the Amp Rating.
3.After charging the starter battery
for 1 minute, it will disconnect for
30s and check the starting battery
voltage. If the starter battery drops
below 12.7V, charge will continue again
and stop when the actual starter
battery voltage is higher than 13.2V
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