29
If “solar first” is selected as output source
priority and battery is not connected, solar
energy and the utility will provide the loads.
Power from utility.
Battery Mode
The unit will provide output
power from battery and PV
power.
Power from battery and PV energy.
PV energy will supply power to the loads and
charge battery at the same time.
Power from battery only.
Battery Mode
The unit will provide output
power from battery and PV
power.
Power from PV energy only.
5.13 Battery Equalization Description
Equalization function is added into charge controller. It reverses the buildup of negative chemical effects like
stratification, a condition where acid concentration is greater at the bottom of the battery than at the top.
Equalization also helps to remove sulfate crystals that might have built up on the plates. If left unchecked, this
condition, called sulfation, will reduce the overall capacity of the battery. Therefore, it’s recommended to
equalize battery periodically.
How to Apply Equalization Function
You must enable battery equalization function in monitoring LCD setting program 30 first. Then, you may apply
this function in device by either one of following methods:
1. Setting equalization interval in program 35.
2. Active equalization immediately in program 36.
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