1. Introdução
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. Instruções importantes de segurança
WARNING: To reduce the risk of electric shock, fire, or injury to persons, read all instructions before using this product.
- Este UPS contém volumes perigosostages. Do not attempt to disassemble the unit. Servicing should be performed by qualified service personnel only.
- Não conecte itens não relacionados a computadores, como equipamentos médicos, equipamentos de suporte vital, fornos de micro-ondas ou aspiradores de pó, ao no-break.
- Não obstrua as aberturas de ventilação. Garanta uma circulação de ar adequada ao redor do aparelho.
- 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. Produto acabadoview
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 Recursos do painel frontal
- Botão de energia: Liga ou desliga o UPS.
- Portas de carregamento USB: Two ports for charging mobile devices.
- Indicadores de status: LEDs indicating power status, battery status, and fault conditions.
3.2 Recursos do painel traseiro
- 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.
- Entrada CA: Connects the UPS to the wall power outlet.
- Disjuntor: Proteção contra sobrecarga reinicializável.
4. Configuração e instalação
4.1 Desembalagem
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 Posicionamento
The EN450G is designed for versatile placement:
- Desktop: Coloque a unidade em uma superfície plana e estável.
- Chão: Position on the floor, ensuring ventilation is not obstructed.
- Montagem na parede: 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 Conectando à energia
- Ensure the UPS is turned off.
- Plug the UPS power cord into a grounded 120V AC wall outlet.
- Deixe o nobreak carregar por pelo menos 8 horas antes do primeiro uso para garantir a autonomia ideal da bateria.
4.4 Conectando Dispositivos
- Battery & Surge Protected Outlets: Connect critical devices such as your computer, monitor, router, or other essential electronics that require continuous power during outage.
- Saídas somente de surto: 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. Operação
5.1 Ligando/Desligando o UPS
- Para Ativar: Press and hold the power button for approximately 2 seconds until you hear a beep and the power indicator illuminates.
- Desligar: Press and hold the power button for approximately 2 seconds until you hear a beep and the power indicator turns off.
5.2 Indicadores de Status
The front panel LEDs provide information about the UPS status:
- LED verde (sólido): 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 da bateria
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. Manutenção
6.1 Substituição da bateria
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.
- Trave o painel de acesso à bateria.
- 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 Limpeza
Limpe periodicamente a parte externa do UPS com um pano macio e seco. Não utilize produtos de limpeza líquidos ou em aerossol. Certifique-se de que as aberturas de ventilação permaneçam livres de poeira e detritos.
7. Solução De Problemas
This section addresses common issues you may encounter with the EN450G UPS. If a problem persists after attempting the solutions below, contact technical support.
| Problema | Possível causa | Solução |
|---|---|---|
| O nobreak não liga. | Bateria desconectada ou descarregada. Cabo de alimentação não está conectado. | Ensure battery is properly connected and charged. Verify power cord is securely plugged into wall outlet and UPS. |
| UPS beeps continuously or red LED is solid. | Bateria fraca ou com defeito. 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. |
| UPS operates on battery frequently. | 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. | O disjuntor desarmou. | Press the circuit breaker reset button on the rear panel. Reduce load if necessary. |
8. Especificações
| Recurso | Detalhe |
|---|---|
| Modelo | EN450G |
| Capacidade | 450VA/255W |
| Vol de entrada / saídatage | 120 V CA |
| Forma de onda de saída | Onda Senoidal Simulada |
| Pontos de venda | 4 x Battery & Surge Protected, 4 x Surge Only |
| Tipo de Bateria | Sealed Lead Acid (SLA), Hot-Swappable |
| Typical Runtime (Full Load) | Até 3 minutos |
| Typical Runtime (Half Load) | Até 11 minutos |
| Dimensões (D x L x A) | 12.8 x 5.7 x 4.1 polegadas (32.5 x 14.5 x 10.4 cm) |
| Peso | 4.4 libras (2 kg) |
| Opções de montagem | Desktop, Floor, Wall Mount |
9. Informações de garantia
Please refer to the warranty card included with your product or visit the manufacturer's webConsulte o site para obter os termos e condições detalhados da garantia. Guarde seu comprovante de compra para eventuais solicitações de garantia.
10. Suporte Técnico
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 website.