1. Bubuka
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. Émbaran Kasalametan
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.
- Bahaya listrik: Do not open the UPS enclosure. There are no user-serviceable parts inside.
- Bahaya beurat: The UPS unit is heavy. Use appropriate lifting equipment and techniques during installation to prevent injury. Refer to specifications for item weight.
- Kasalametan batré: Batteries can present a risk of electrical shock and high short-circuit current. Observe precautions when working with batteries.
- Ventilasi: Pastikeun aliran hawa di sabudeureun UPS cekap. Ulah ngahalangan liang ventilasi.
3. Fitur Produk
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.
- Desain kompak: 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. Setup jeung Instalasi
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 Ngabongkar sareng Inspeksi
- 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.
- Pastikeun yén sadaya komponén anu didaptarkeun dina slip bungkusan aya.
4.2 Persiapan Loka
- 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 Sambungan Listrik
All electrical connections must be performed by a qualified electrician in accordance with local and national electrical codes.
- Sambungkeun kakuatan input ka terminal anu ditunjuk.
- Connect the output power to the critical load distribution panel.
- Pastikeun grounding anu leres tina unit.

4.4 Mimiti Mimiti
- 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. Operasi
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 Témbongkeun Panel hareup
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.
5.2 Modeu operasi
- Mode online: The UPS continuously converts AC input to DC to charge batteries and then converts DC back to AC for the output, providing maximum protection.
- Mode 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.
- Mode batré: When utility power fails, the UPS automatically switches to battery power to maintain output.
5.3 Prosedur Pareuman
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. Pangropéa
Regular maintenance ensures the longevity and reliable operation of your Vertiv Liebert EXS UPS.
6.1 Cék rutin
- Periodically check the UPS status on the front panel display for any alarms or warnings.
- Pastikeun bukaan ventilasi bersih tina halangan.
- Inspect power cables for any signs of damage.
6.2 Pangropéa batré
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. Cara ngungkulan
This section provides general guidance for common issues. For complex problems, contact Vertiv technical support.
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| UPS teu hurung | No input power; UPS fault | Check input circuit breaker; verify power source; contact support if fault persists. |
| UPS berbunyi terus-terusan | 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. |
| Alarm suhu luhur | Blocked ventilation; high ambient temperature | Clear obstructions; ensure adequate room cooling. |
8. Specifications (Model EXS20KN)
| Spésifikasi | Nilai |
|---|---|
| Nomer modél | EXS20KN |
| Kapasitas | 20kVA / 20kW |
| Masukan Voltage | 208/120VAC (220/127VAC) 3-Phase 4 Wire |
| Kaluaran Voltage | 208 volt |
| Ukuran produk (D x W x H) | 29.5" x 17.3" x 62.9" (74.9 cm x 43.9 cm x 159.8 cm) |
| Item Beurat | 734 pon (333 kg) |
| Komposisi sél batré | Asam kalungguhan |
| Warna | Hideung |
| Produsén | Vertiv |
| Tanggal Kahiji Sadia | 14 Désémber 2023 |
9. Garansi jeung Rojongan
9.1 Garansi Produk
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 Rojongan Téknis
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 websitus atanapi dina dokuméntasi produk Anjeun.
Vertiv Resmi Websitus: www.vertiv.com





