Overload Protection - Projecta INVCHR2 Manual

2.3.6 Protections and Safeguards
The Inverter Charger is equipped with a series of complete hardware and
software protection functions to ensure its stable and reliable operation.

Overload protection

When overload protection is trigger on, it will restart automatically after 60s. And after three
consecutive overload shutdown protections, the equipment will not restart automatically. At this
time, the user needs to manually restart.
Over temperature protection
When the internal temperature is too high, Inverter Charger will enter into the over-temperature
protection. After the internal temperature returns to normal, it can automatically resume normal
operation.
Short circuit protection
The equipment will automatically shut down when the AC output is shorted and needs to be
manually activated.
Battery over temperature protection
During charging, the equipment will continuously monitor the battery temperature. When the
battery temperature is too high, the equipment will automatically reduce the charging current.
When the battery is hot the charger will automatically turn off to protect the battery.
Battery low voltage protection
To prevent the permanent damage caused by the over discharge of battery, the equipment
will automatically cut off the output according to the low voltage protection point set by the user.
RCD (RCBO)
The Inverter Charger is fitted with an RCD (Safety Switch) to ensure maximum protection for our
customers. The RCD is also fitted with an over current feature to protect wiring. If the RCD trips it will
need to be manually reset.
2.3.7 Communication
Dry contact input
Inverter Charger is equipped with a dry contact input for remote on/off,
Dry contact output
Inverter Charger is equipped with two NO/NC relay type dry contact output. The following is
the default setting:
- Relay1: The relay is closed when the battery is under voltage.
- Relay2: The relay is closed when a fault or overload occurs.
RS485
Equipped with a RS485 interface
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