Question 1

What AC grid environments is DQ1414 suitable for?

Accepted Answer

DQ1414 outputs 230VAC, 50/60Hz, making it suitable for most residential and small commercial applications using 230V single-phase AC power. Before installation, the local grid voltage, frequency, and load type should be confirmed to ensure compatibility with the system parameters.

Question 2

How should solar panels be configured within the MPPT range?

Accepted Answer

Installers should calculate the PV string voltage based on the solar panel Voc (open-circuit voltage) and the lowest local ambient temperature to ensure it does not exceed the 450VDC limit. Taking common 550W solar panels as an example, it is recommended to configure 7–8 panels in series per string. The 6.2kW version can use 1 parallel string, while the 8kW / 10kW versions can use 2 parallel strings depending on project requirements. The final configuration should be designed based on panel specifications, on-site sunlight conditions, and the allowable input current of the system.

Question 3

Can DQ1414 power loads while charging from grid or solar?

Accepted Answer

Yes. DQ1414 can supply loads while charging the battery when connected to grid power or a diesel generator. PV input can also be used to charge the battery or directly supply loads. When grid power becomes abnormal or disconnected, the system can automatically switch to battery and PV power to keep essential loads running.

Question 4

Is DQ1414 suitable for high-temperature regions?

Accepted Answer

Yes. DQ1414 operates from -20°C to +50°C and can be stored from -30°C to +70°C, making it suitable for high-temperature regions such as Africa, the Middle East, and Southeast Asia. The system is equipped with three ventilation fans to help improve heat dissipation efficiency. During installation, direct sunlight should be avoided, and sufficient ventilation and heat dissipation space should be reserved.

Question 5

How does DQ1414 work with a diesel generator or external control system?

Accepted Answer

DQ1414 supports diesel generator connection through the AC input terminal. Its built-in dry contact interface can be used for generator start/stop linkage, fault alarms, or external control system integration, helping projects build a more complete backup power logic.

Residential All-In-One ESS

DQ1414 Series

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