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FAQ & Solutions

Get instant and professional answers to your product, service and technical questions. We provide efficient online support to help you solve doubts quickly.

  • Q
    Can I monitor and control my UPS remotely via mobile or cloud platforms?
    A

    Yes, ACwatt UPS systems support optional SNMP cards, Modbus, and cloud-based monitoring platforms, allowing real-time status checks, alert notifications, and remote shutdown via mobile apps or web browsers—ideal for unattended sites.

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  • Q
    What happens to my connected equipment if the UPS itself fails?
    A

    In most ACwatt models, the automatic bypass circuit will transfer the load directly to utility power if an internal fault occurs, keeping your equipment running. However, during bypass mode, your equipment is not protected from power anomalies, so timely repair is advised.

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  • Q
    Does the UPS protect against lightning strikes and power surges?
    A

    Yes, most ACwatt UPS systems include built-in surge protection and EMI/RFI filtering. However, for areas with frequent lightning strikes, we recommend adding external surge protective devices (SPDs) at the main distribution panel for enhanced safety.

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  • Q
    How often should I perform preventive maintenance on my UPS system?
    A

    We recommend a full inspection every 6 to 12 months, including cleaning air filters, checking fan operation, tightening terminal connections, and testing battery health. Regular maintenance can extend UPS life by 30% and prevent unexpected downtime.

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  • Q
    Can I use a UPS for industrial equipment like motors or compressors?
    A

    Yes, but you need to consider the high inrush current during startup, which can be 5–8 times the rated current. Industrial UPS models are designed with higher overload capacity and wider input voltage ranges. Please share your motor specs with ACwatt for a tailored recommendation.https://www.acwattpower.com/ThreephaseUPS/#list

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  • Q
    What is the difference between online UPS and line-interactive UPS?
    A

    Online UPS provides double-conversion power protection, ensuring zero transfer time and pure sine wave output, ideal for sensitive equipment like servers and medical devices. Line-interactive UPS offers basic voltage regulation and is more cost-effective for home or office use. Choose based on your load sensitivity and power environment.

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  • Q
    How do I choose the right UPS capacity?
    A

    Calculate the total rated power of all connected equipment and consider startup current, load type, redundancy, future expansion and required backup time. Please provide your equipment list, total load, input and output requirements, and expected runtime so that ACwatt can recommend a suitable UPS model and configuration.

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  • Q
    What is the difference between a modular UPS and a tower UPS?
    A

    A modular UPS supports flexible capacity expansion and redundancy by using multiple power modules. A tower UPS normally has a fixed capacity and is suitable for applications with relatively stable load requirements. The right choice depends on capacity, installation space, redundancy, maintenance and future expansion.

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  • Q
    Do ACwatt UPS systems support external batteries?
    A

    Battery configuration depends on the UPS model and required backup time. Some systems use internal batteries, while others support external battery cabinets or battery packs for extended runtime. Please provide the UPS model, connected load and required runtime for a recommended battery configuration.

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  • Q
    How is UPS backup time calculated?
    A

    Backup time depends on the connected load, battery voltage, battery capacity, battery quantity, inverter efficiency, battery condition and operating temperature. Because actual runtime varies by model and application, the battery configuration should be calculated according to the specific project load and required backup time.

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  • Q
    What input and output voltages are available?
    A

    Available voltage and phase configurations depend on the UPS series and power capacity. ACwatt offers single-phase, three-phase and split-phase product families. Please provide the local grid voltage, input and output requirements, load type and project location so that we can recommend the correct model.

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  • Q
    What communication and monitoring options are supported?
    A

    Communication options vary by product model and may include RS485, CAN, USB, dry contacts, SNMP and network-based monitoring. Selected products may also support Wi-Fi or 4G communication. Please confirm the required protocol, communication card and monitoring platform before ordering.

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