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When battery voltage reaches to the voltage set point of Over Voltage Disconnect, the
controller will stop charging the battery to protect the battery overcharge to break
down.
• Battery Over discharge
When battery voltage reaches to the voltage set point of Low Voltage Disconnect, the
controller will stop discharging the battery to protect the battery over discharged to
break down.
• Battery Overheating
The controller detects the battery temperature through the external temperature
sensor. If the battery temperature exceeds 65°C, the controller will automatically start
the overheating protection to stop working and recover below 55°C.
• Load Overload
If the load current exceeds the maximum load current rating 1.05 times, the controller
will disconnect the load. Overloading must be cleared up through reducing the load and
restarting controller.
• Load Short Circuit
Fully protected against load wiring short-circuit. Once the load shorts (more than
quadruple rate current), the load short protection will start automatically. After five
automatic load reconnect attempts, the fault must be cleared by restarting controller.
• Damaged Remote Temperature Sensor
If the temperature sensor is short-circuited or damaged, the controller will be charging
or discharging at the default temperature 25°C to prevent the battery damaged from
overcharging or over discharged.
• Controller Overheating
If the temperature of the controller heat sinks exceeds 85°C, the controller will
automatically start the overheating protection and recover below 75°C.
• High Voltage Transients
PV is protected against small high voltage surge. In lightning prone areas, additional
external suppression is recommended.
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