1. Introduction
This manual provides essential information for the safe and efficient operation of your Legrand UPS Whad Online HE 1 KVA. An Uninterruptible Power Supply (UPS) is designed to protect electronic equipment from power outages, surges, and other electrical disturbances, ensuring continuous power and safeguarding your data and hardware. Please read this manual thoroughly before installation and use, and retain it for future reference.
2. Safety Information
Observe the following safety precautions to prevent injury and damage to the UPS or connected equipment:
- Electrical Safety: The UPS operates with high voltages. Do not open the UPS casing. Refer all servicing to qualified personnel.
- Grounding: Always connect the UPS to a grounded AC power outlet.
- Environment: Install the UPS indoors in a well-ventilated area, away from direct sunlight, heat sources, moisture, and flammable materials.
- Ventilation: Ensure adequate airflow around the UPS. Do not block ventilation openings.
- Battery Handling: Batteries contain hazardous materials. Do not dispose of batteries in a fire. Follow local regulations for battery disposal.
- Overload: Do not connect appliances that exceed the UPS's rated capacity.
3. Package Contents
Carefully unpack the box and ensure all items are present:
- Legrand UPS Whad Online HE 1 KVA Unit
- Power Input Cable
- Computer Accessories (e.g., USB cable for monitoring, output power cables)
- User Manual (this document)
If any items are missing or damaged, contact your dealer immediately.
4. Product Overview
The Legrand UPS Whad Online HE 1 KVA is designed for reliable power protection. Below is a general representation of the unit.

Figure 4.1: Front view of the Legrand UPS Whad Online HE 1 KVA. This image shows the main casing of the UPS, typically featuring the control panel, display, and possibly some front-facing ports or indicators.
The UPS typically features a front panel with an LCD display or LED indicators to show operational status, battery level, and various alerts. The rear panel includes AC input, output receptacles, communication ports (e.g., USB, RS-232), and possibly an emergency power off (EPO) port.
5. Setup
Follow these steps for initial setup:
- Placement: Place the UPS on a flat, stable surface in a clean, dry, and well-ventilated indoor environment. Ensure there is sufficient space around the unit for proper heat dissipation.
- Initial Charging: Connect the UPS to a grounded AC power outlet using the provided power input cable. Allow the UPS to charge for at least 8 hours before connecting any equipment to ensure optimal battery performance. The UPS will charge whether it is turned on or off.
- Connecting Equipment: After initial charging, connect your computer and other critical electronic devices to the UPS output receptacles. Ensure the total load does not exceed the UPS's rated capacity (1000 Watts).
- Communication Port (Optional): If desired, connect the UPS to your computer using the provided USB or serial cable to enable power management software features.
6. Operating Instructions
Powering On the UPS:
- Press and hold the power button on the front panel for a few seconds until you hear a beep and the display illuminates.
- The UPS will perform a self-test and then enter online mode, providing conditioned power to connected devices.
Powering Off the UPS:
- First, shut down all connected equipment gracefully.
- Press and hold the power button on the front panel for a few seconds until the display turns off.
- Disconnect the UPS from the AC power outlet if it will not be used for an extended period.
Understanding Indicators:
Refer to the UPS display or LED indicators for current status:
- Online Mode: UPS is providing utility power to connected devices and charging the battery.
- Battery Mode: UPS is providing power from its internal battery due to a power outage.
- Low Battery: Indicates the battery charge is critically low.
- Fault/Overload: Indicates an internal error or excessive load.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your UPS:
- Cleaning: Keep the UPS clean and free of dust. Use a dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Battery Care: The internal batteries are designed for a specific lifespan. If the UPS consistently fails to provide adequate backup time, the batteries may need replacement. Contact Legrand support or a qualified technician for battery replacement.
- Storage: If storing the UPS for an extended period, ensure it is fully charged, then disconnect it from the AC outlet. Recharge the UPS every 3-6 months to prevent battery discharge.
8. Troubleshooting
This section addresses common issues you might encounter:
| Problem | Possible Cause | Solution |
|---|---|---|
| UPS does not turn on | No AC input power; Low battery; UPS fault | Check AC power connection; Allow UPS to charge for 8 hours; Contact support if fault persists. |
| UPS is in battery mode frequently | Unstable utility power; High sensitivity setting | Check utility power quality; Adjust UPS sensitivity via software (if available). |
| Short backup time | Overload; Old battery; Insufficient charging | Reduce connected load; Replace battery; Ensure full charge before use. |
| Overload alarm | Too many devices connected | Disconnect non-essential equipment until the alarm clears. |
If the problem persists after attempting these solutions, contact Legrand technical support.
9. Specifications
Technical specifications for the Legrand UPS Whad Online HE 1 KVA (Model 310164):
| Feature | Specification |
|---|---|
| Brand | Legrand |
| Model Number | 310164 |
| Product Dimensions | 40.01 x 40.01 x 15.01 cm |
| Item Weight | 10 g |
| Wattage | 1000 Watts |
| Maximum Power | 1000 Watts |
| Input Voltage | 230 Volts (AC) |
| Battery Cell Composition | Lithium Ion |
| Color | Grey, Black |
10. Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official Legrand website. If you require technical assistance, troubleshooting beyond this manual, or have questions regarding your Legrand UPS, please contact Legrand customer support through their official channels.





