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User Manual V1.4-2022-08-30 03 Product Introduction
3.2 Application Scenarios
WARNING
• The PV system is not suitable to connect equipment that relies on a stable power supply,
such as medical equipment to sustain life. Ensure that no personal injury is occurred when
the system is disconnected.
• Avoid loads with high starting current like high-power water pumps in the PV system.
Otherwise, the o-grid output may fail due to excessive instantaneous power.
• BACK-UP is not recommended if the PV system is not congured with batteries. Otherwise,
the risk in system power usage is beyond the equipment manufacturer's warranty scope.
• Factors such as: temperature, humidity, weather conditions, etc. may limit the battery's
current and aect its load.
• The inverter oers UPS function. Under normal circumstances, the back up switching time
is less than 10 ms.
• When single overload protection occurs, the inverter can restart automatically; however,
the restarting time will be extended if it happens several times. For a faster restarting, try it
via APP .
• When the grid is disconnected, the o-grid function of the inverter will be closed
automatically if the load capacity exceeds the inverter's rated power; to enable it, turn o
the large loads and ensure the load power is less than the rated power of the inverter.
• Normal household loads can be supported when the inverter is in back-up mode. Accepted
loads as below:
• Inductive loads: 1.5P non-inverter air conditioner can be connected to the inverter. If
two or more non-inverter air conditioners are connected, the UPS may be unstable.
• Capacitive load: total power ≤ 0.6 times of the inverter’s rated output power.
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