Services & Support

Parallel redundancy means connecting two or more UPS units to share the load. If one unit fails, the others continue supplying power seamlessly, achieving N+1 or 2N redundancy levels. This is commonly used in data centers and critical infrastructure requiring 99.999% availability.

Yes, most ACwatt models work with generator inputs, but you need to ensure the generator has sufficient capacity and stable frequency output. We recommend using a wider input voltage range UPS and adjusting the sensitivity settings to avoid frequent battery switching.

To determine the correct UPS rating, multiply the voltage (V) by current (A) to get VA. For Watts, multiply VA by the power factor (typically 0.7–0.9 for most IT equipment). Always choose a UPS whose VA and Watt ratings both exceed your total load. ACwatt's sizing tool can assist.

Yes, UPS fans operate based on internal temperature and load levels. Under heavy load or warm ambient conditions, fans spin faster to cool internal components. If the noise becomes unusually loud or grinding, the fan may need replacement—contact support for inspection.

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.

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.

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.

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.

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.

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.

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.

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.