1. Introduzione
This manual provides essential instructions for the safe and efficient operation of your Minuteman EN450G 450VA Standby Uninterruptible Power Supply (UPS). The EN450G is designed to provide reliable backup power and surge protection for various electronic devices, including gaming consoles, desktop PCs, home office equipment, and network devices. Please read this manual thoroughly before installation and use, and retain it for future reference.
2. Importanti Instructions Safety
WARNING: To reduce the risk of electric shock, fire, or injury to persons, read all instructions before using this product.
- Questu UPS cuntene vulume periculosetages. Do not attempt to disassemble the unit. Servicing should be performed by qualified service personnel only.
- Ùn cunnetta micca l'articuli chì ùn sò micca cunnessi à l'urdinatore, cum'è l'equipaggiu medicale, l'equipaggiu di supportu di vita, i forni à microonde o l'aspiratori à l'UPS.
- Ùn bluccate micca l'aperture di ventilazione. Assicuratevi un flussu d'aria adeguatu intornu à l'unità.
- Do not install the UPS in direct sunlight, near heat sources, or in areas with excessive dust, moisture, or flammable liquids.
- Connect the UPS to a properly grounded AC power outlet.
- The battery is hot-swappable. Exercise caution when replacing the battery. Refer to the Maintenance section for instructions.
- In case of emergency, press the power button to turn off the UPS and disconnect the power cord from the AC power outlet.
3. Produttu Finituview
The Minuteman EN450G UPS provides comprehensive power protection. Familiarize yourself with its components:

Figura 1: Minuteman EN450G UPS Unit. This image displays the Minuteman EN450G UPS unit. The front panel features the 'Minuteman Power Technologies' logo, two USB charging ports, and control buttons. The top surface shows four 'Battery & Surge' protected outlets and four 'Surge Only' outlets, clearly labeled. The unit is black and designed for compact placement.
3.1 Funzioni di u Pannellu Frontale
- Pulsante di putenza: Turns the UPS on or off.
- Porti di Ricarica USB: Two ports for charging mobile devices.
- Indicatori di Status: LEDs indicating power status, battery status, and fault conditions.
3.2 Funzioni di u pannellu posteriore
- Battery & Surge Outlets (x4): Provide battery backup power and surge protection for critical devices.
- Surge Only Outlets (x4): Provide surge protection only for non-critical devices.
- Input AC: Connects the UPS to the wall power outlet.
- Circuit Breaker: Resettable overload protection.
4. Setup è Installazione
4.1 Unpacking
Carefully unpack the UPS and inspect it for any shipping damage. If damage is found, do not operate the unit and contact your dealer.
4.2 Placement
The EN450G is designed for versatile placement:
- Desktop: Pone l'unità nantu à una superficia stabile è plana.
- Pianu: Position on the floor, ensuring ventilation is not obstructed.
- Supportu à Parete: The unit can be mounted on a wall using appropriate hardware (not included). Ensure the mounting surface can support the weight of the UPS.
Ensure the installation area is clean, dry, and has adequate ventilation. Avoid placing the UPS near heat-emitting appliances or in direct sunlight.
4.3 Cunnessione à l'alimentazione
- Ensure the UPS is turned off.
- Plug the UPS power cord into a grounded 120V AC wall outlet.
- Allow the UPS to charge for at least 8 hours before initial use to ensure optimal battery runtime.
4.4 Dispositivi di cunnessione
- Battery & Surge Protected Outlets: Connect critical devices such as your computer, monitor, router, or other essential electronics that require continuous power during outages.
- Solu Surge Outlets: Connect non-critical devices like printers, scanners, or desk lamps that only require surge protection.
CAUTION: Do not connect laser printers or shredders to the battery backup outlets, as their high power draw can overload the UPS.
5. Operazione
5.1 Accensione / spegnimentu di l'UPS
- Per accende: Press and hold the power button for approximately 2 seconds until you hear a beep and the power indicator illuminates.
- Per Spegne: Press and hold the power button for approximately 2 seconds until you hear a beep and the power indicator turns off.
5.2 Indicatori di Status
The front panel LEDs provide information about the UPS status:
- LED verde (fissu): UPS is operating normally, providing AC power.
- Green LED (Flashing) & Audible Alarm: UPS is operating on battery power during an outage.
- Red LED (Solid) & Audible Alarm: Battery low or fault condition. Refer to Troubleshooting.
5.3 Autonomia di a batteria
The EN450G provides approximately 3 minutes of runtime at full load (450VA/255W) and 11 minutes at half load. Actual runtime may vary based on connected equipment and battery age.
6. Mantenimentu
6.1 Sustituzione di batterie
The EN450G features a hot-swappable Sealed Lead Acid (SLA) battery, allowing replacement without interrupting power to connected devices. Batteries typically last 3-5 years depending on usage and environmental conditions. A flashing red LED or continuous alarm may indicate a need for battery replacement.
- Ensure the UPS is connected to AC power and operating normally.
- Locate the battery access panel (refer to product diagram if available).
- Carefully slide out the old battery pack.
- Insert the new, fully charged replacement battery pack, ensuring correct orientation.
- Secure the battery access panel.
- Allow the new battery to charge for 8-12 hours to reach full capacity.
WARNING: Use only approved replacement batteries. Improper battery replacement can result in fire or explosion. Dispose of old batteries properly at a recycling facility.
6.2 Pulizia
Periodically clean the exterior of the UPS with a soft, dry cloth. Do not use liquid or aerosol cleaners. Ensure ventilation openings remain clear of dust and debris.
7. Risoluzione di prublemi
This section addresses common issues you may encounter with the EN450G UPS. If a problem persists after attempting the solutions below, contact technical support.
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| L'UPS ùn s'accende micca. | Batteria micca cunnessa o scarica. Cavu d'alimentazione micca cunnessu. | Assicuratevi chì a batteria sia cunnessa è caricata currettamente. Verify power cord is securely plugged into wall outlet and UPS. |
| UPS beeps continuously or red LED is solid. | Battery low or fault condition. Overload on battery outlets. | Allow battery to charge. If problem persists, battery may need replacement. Disconnect non-essential devices from battery outlets. Check circuit breaker. |
| L'UPS funziona spessu à batteria. | Unstable incoming AC power. UPS sensitivity setting (if applicable, though not specified for this model). | Check the quality of your incoming AC power. Consider connecting to a different outlet. |
| No power from surge-only outlets. | Circuit breaker hà scattatu. | Press the circuit breaker reset button on the rear panel. Reduce load if necessary. |
8. Specificazioni
| Feature | Detail |
|---|---|
| Mudellu | EN450G |
| Capacità | 450 VA / 255 W |
| Input/Output Voltage | 120 V AC |
| Forma d'onda di output | Onda Sinusoidale Simulata |
| Outlets | 4 x Battery & Surge Protected, 4 x Surge Only |
| Tipu di batterie | Sealed Lead Acid (SLA), Hot-Swappable |
| Tempu di funziunamentu tipicu (caricu pienu) | Finu à 3 minuti |
| Typical Runtime (Half Load) | Finu à 11 minuti |
| Dimensioni (P x L x A) | 12.8 x 5.7 x 4.1 inch (32.5 x 14.5 x 10.4 cm) |
| Pesu | 4.4 liri (2 kg) |
| Opzioni di muntatura | Desktop, Floor, Wall Mount |
9. Garanzia infurmazione
Please refer to the warranty card included with your product or visit the manufacturer's websitu per i termini è e cundizioni di garanzia dettagliate. Conservate a vostra prova d'acquistu per e richieste di garanzia.
10. Support tecnicu
If you require technical assistance or have questions regarding your Minuteman EN450G UPS, please contact your dealer or the manufacturer's customer support. Have your model number (EN450G) and serial number ready when contacting support.
For more information, you may visit the official Minuteman websitu.





