Vertiv EXS20KN
Vertiv Liebert EXS UPS (Model EXS20KN) 20kVA/20kW - Instruction Manual
Uninterruptible Power Supply for Critical IT Infrastructure
1. Уводзіны
The Vertiv Liebert EXS is a compact, monolithic Uninterruptible Power Supply (UPS) designed to provide continuous, conditioned, and regulated output voltage. This UPS utilizes true on-line, double-conversion technology, ensuring a clean sine wave input power for sensitive equipment. It is suitable for powering IT devices in small data rooms, IT closets, VoIP systems, branch storage, and security systems. The Liebert EXS offers economical, efficient, and reliable three-phase power for critical loads up to 20kVA, featuring a unity power factor and high power-density in an optimized, standalone design.

2. Інфармацыя па бяспецы
Before installing, operating, or performing maintenance on the Vertiv Liebert EXS UPS, read and understand all safety instructions provided in the packaging and on the unit itself. Failure to follow these instructions may result in electric shock, fire, or serious injury. This equipment contains high voltage and stored energy. Only qualified personnel should perform installation and service.
- Электрычная небяспека: Не адкрывайце корпус бесперабойнага сілкавання. Унутры няма дэталяў, якія можа абслугоўваць карыстальнік.
- Небяспека вагі: The UPS unit is heavy. Use appropriate lifting equipment and techniques during installation to prevent injury. Refer to specifications for item weight.
- Бяспека акумулятара: Batteries can present a risk of electrical shock and high short-circuit current. Observe precautions when working with batteries.
- Вентыляцыя: Забяспечце дастатковую цыркуляцыю паветра вакол крыніцы бесперабойнага сілкавання. Не блакуйце вентыляцыйныя адтуліны.
3. Асаблівасці прадукту
The Vertiv Liebert EXS UPS incorporates several key features designed for optimal performance and reliability:
- Reliable 3-Phase Power: Provides the highest level of power protection for critical systems.
- Online Double Conversion Technology: Ensures continuous power conditioning and high availability for IT systems.
- High Operating Efficiency: Achieves over 93% efficiency in double conversion mode and 99% in ECO mode, reducing energy consumption and heat dissipation.
- Advanced Battery Monitoring: Capable of monitoring battery capacity, temperature, humidity, access, and leaks for enhanced battery health and longevity.
- 1.0 Output Power Factor: Delivers more usable power to connected loads, optimizing power utilization.
- Integrated Maintenance Bypass Cabinet (MBC): Facilitates UPS maintenance or replacement without requiring a shutdown of connected equipment.
- Кампактны дызайн: Space-saving footprint provides optimized space utilization and flexible installation.
- Factory Installed Network Card: Includes a Liebert IS-UNITY DP card for remote management capabilities.
- Internal Battery Cabinets with Auto-Detection: Ensures accurate reporting of available runtime when used with external battery cabinets.

4. Настройка і ўстаноўка
The Vertiv Liebert EXS UPS is designed for ease of installation. However, due to its weight and electrical requirements, professional installation is recommended.
4.1 Распакаванне і праверка
- Carefully unpack the UPS unit and all accessories.
- Inspect the unit for any shipping damage. Report any damage to the carrier and your Vertiv representative immediately.
- Праверце наяўнасць усіх кампанентаў, пералічаных у пакавальным лісце.
4.2 Падрыхтоўка пляцоўкі
- Ensure the installation site meets environmental requirements (temperature, humidity) as specified in the technical data.
- Confirm that the floor can support the weight of the UPS unit (refer to specifications).
- Provide adequate clearance around the unit for ventilation and maintenance access.
4.3 Электрычныя злучэнні
Усе электрычныя падключэнні павінны выконвацца кваліфікаваным электрыкам у адпаведнасці з мясцовымі і нацыянальнымі электрычнымі нормамі.
- Падключыце ўваходнае сілкаванне да прызначаных клем.
- Connect the output power to the critical load distribution panel.
- Забяспечце належнае зазямленне прылады.

4.4 Першапачатковы запуск
- After all electrical connections are secure, close the input circuit breaker.
- Follow the on-screen prompts on the UPS display for initial configuration.
- Verify proper operation and status indicators.

5. Аперацыя
The Liebert EXS UPS operates automatically to protect connected equipment. The front panel display provides real-time status and allows for configuration adjustments.
5.1 Дысплей пярэдняй панэлі
The LCD display provides information on input/output voltage, load level, battery status, and alarm conditions. Navigate through menus using the control buttons adjacent to the display.
Рэжымы працы 5.2
- Інтэрнэт-рэжым: The UPS continuously converts AC input to DC to charge batteries and then converts DC back to AC for the output, providing maximum protection.
- Рэжым ECO: An energy-saving mode where the UPS operates in bypass, providing power directly from the utility, and switches to online mode upon power disturbance.
- Рэжым батарэі: When utility power fails, the UPS automatically switches to battery power to maintain output.
5.3 Працэдуры адключэння
To safely shut down the UPS, follow these steps:
- Power down all connected equipment.
- Initiate a UPS shutdown via the front panel display or management software.
- Once the UPS is off, open the input circuit breaker to fully isolate the unit from the power source.
6. Тэхнічнае абслугоўванне
Regular maintenance ensures the longevity and reliable operation of your Vertiv Liebert EXS UPS.
6.1 Рэгулярныя праверкі
- Periodically check the UPS status on the front panel display for any alarms or warnings.
- Пераканайцеся, што ў вентыляцыйных адтулінах няма перашкод.
- Inspect power cables for any signs of damage.
6.2 Абслугоўванне акумулятара
The Liebert EXS features advanced battery monitoring. However, periodic battery health checks by qualified personnel are recommended. Batteries have a finite lifespan and will require replacement.
6.3 Integrated Maintenance Bypass
The integrated maintenance bypass cabinet allows for safe servicing of the UPS without interrupting power to critical loads. Refer to the detailed service manual for procedures on utilizing the maintenance bypass.
7. Выпраўленне непаладак
This section provides general guidance for common issues. For complex problems, contact Vertiv technical support.
| праблема | Магчымая прычына | Рашэнне |
|---|---|---|
| Бесперапынны прыбор не ўключаецца | No input power; UPS fault | Check input circuit breaker; verify power source; contact support if fault persists. |
| UPS beeping continuously | On battery power; overload; battery fault | Check utility power; reduce load; check battery status on display. |
| Connected equipment not receiving power | UPS in bypass; output breaker tripped; UPS fault | Check UPS operating mode; reset output breaker; contact support. |
| Сігналізацыя высокай тэмпературы | Blocked ventilation; high ambient temperature | Clear obstructions; ensure adequate room cooling. |
8. Specifications (Model EXS20KN)
| Спецыфікацыя | Каштоўнасць |
|---|---|
| Нумар мадэлі | EXS20KN |
| Ёмістасць | 20 кВА / 20 кВт |
| Уваходны кнtage | 208/120VAC (220/127VAC) 3-Phase 4 Wire |
| Выхад Voltage | 208 вольт |
| Памеры прадукту (Д х Ш х У) | 29.5 цалі х 17.3 цалі х 62.9 цалі (74.9 см х 43.9 см х 159.8 см) |
| Вага прадмета | 734 фунта (333 кг) |
| Склад батарэі | Свінцовая кіслата |
| Колер | Чорны |
| Вытворца | Верціў |
| Дата першай даступнасці | 14 снежня 2023 г |
9. Гарантыя і падтрымка
9.1 Гарантыя на выраб
The Vertiv Liebert EXS UPS comes with comprehensive coverage, including a standard 1-year warranty. A 3-year extended warranty option may also be available. Please refer to your purchase documentation or contact Vertiv for specific warranty terms and conditions.
9.2 Тэхнічная падтрымка
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Vertiv customer support. Contact information can typically be found on the Vertiv official webсайце або ў дакументацыі да вашага прадукту.
Vertiv Official Webсайт: www.vertiv.com