Meaning of Protection Function

1.PV Reverse Polarity Protection

If the solar panel reverse connection, the controller will not destroy,corrected  the connection the controller will be normally working.

 
2.PV Short Circuit Protection
When the solar panels have short circuit or reverse connection, the controller  will be off the charging  immediately, after clearing of the short circuit,the  charging will be automatically continue.
 
3.Thunder Protection
This product could only protect small lightning induction, we suggest to use lightning rod at frequency area.
 
4.Battery Over Charge Protection
it can protect the battery from over charge,when battery over charge function  is working ,controller will stop  charging and can only discharge to the load
 
5.Battery Over Discharge Protection
it can protect the battery from over-discharge,when battery over discharge protection is working,controller will    stop discharging to the load ,and can  only charge to the battery by solar panel.when charging the battery to LVR  voltage point,the controller will restart to discharge the load automatically.
 
6.Battery Reverse Polarity Protection
If the batter reverse connection, the controller will not destroy, corrected  theconnection the controller will be  normally working.
 
7.Battery Over Voltage Protection
When the voltage of battery was more than 16.5V, the controller will be  auto closed charging and output in order to destroy the battery and loads
 
8.Load Overload Protection
If the current of load is more than 1.5 times rated current of controller, the controller will be cut off the output  after 30s and lock. Users have to decrease loads and press“”unlock, or 30s later the controller will auto restart unlock.
 
9.LoadShort-Circuit Protection
When the load have short circuit, the controller will be cut off immediately and lock.Users have to clearing the  short circuit and press“→”unlock, or 30s later the controller will auto restart unlock.
 
10.Reverse BatteryCurrent Flow Protection At Night 
During night time when voltage of battery is more than that of solar panels. current could start flowing from  battery to panels,this could be very harmful  for solar panel. ldsolar’s controller ensures that the current always  flow from panel to batteries,and never in the reverse direction

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Post time: Jan-06-2018
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