1. はじめに
The Minuteman EN550 is a Standby Uninterrupted Power Supply (UPS) designed to provide reliable power protection for your electronic devices. It features a 550VA/300W capacity, 120Vac input and output, and a voltage range of 95-140Vac. This UPS includes four battery-backed receptacles and four surge-only receptacles, offering comprehensive protection against power outages and surges. Key features include phone/fax/modem line protection, independent battery bypass, and hot-swappable, tool-less battery replacement.
パッケージ内容
- Minuteman EN550 UPS Unit
- ユーザーマニュアル
- クイックインストールガイド
- 保証書
- Platinum Protection Card
- Sales Brochure
- USBケーブル

Image showing the Minuteman EN550 UPS unit with its front and side panels visible, highlighting the power outlets and status indicators.
2. 安全情報
Please read and follow all instructions carefully before installing or operating the Minuteman EN550 UPS. Retain this manual for future reference.
- UPSを開けないでください。asing. There are no user-serviceable parts inside, except for the battery. Refer battery replacement to qualified service personnel.
- 通気口を塞がないでください。ユニット周囲に十分な空気の流れを確保してください。
- Do not expose the UPS to rain, moisture, or excessive humidity.
- Connect the UPS to a properly grounded AC power outlet only.
- Avoid placing the UPS in direct sunlight or near heat sources.
- Disconnect the UPS from the AC power outlet before cleaning. Use a dry cloth for cleaning.
- バッテリーには有害物質が含まれています。バッテリーは地域の規制に従って適切に廃棄してください。
3. セットアップとインストール
配置
Place the Minuteman EN550 UPS in a cool, dry, and well-ventilated indoor area. Ensure it is away from direct sunlight, heat sources, and excessive dust. The unit is wall-mountable for flexible placement options.
初期接続
- バッテリーを接続します。 The UPS battery may be disconnected for shipping. Refer to the Quick Install Guide for instructions on connecting the internal battery.
- AC電源に接続します: Plug the UPS power cord into a standard 120Vac grounded wall outlet.
- 初期費用: Allow the UPS to charge for at least 8 hours before connecting any devices to ensure optimal battery runtime. The unit will charge whether it is turned on or off.
- デバイスを接続する: Plug your critical electronic devices (computer, monitor, modem, etc.) into the four battery-backed receptacles. Plug non-critical devices (printer, scanner) into the four surge-only receptacles.
- USB通信: Connect the provided USB cable from the UPS to your computer to enable communication and use the Sentried software (available via free download) for advanced monitoring and control.
- Phone/Fax/Modem Protection: Connect your phone, fax, or modem line through the RJ11/45 ports on the UPS to protect against surges on the data line.
4. 操作
オン/オフ
- スイッチをつける: Press and hold the power button for approximately 2 seconds until you hear a beep.
- 電源を切るために: Press and hold the power button for approximately 2 seconds until you hear a beep and the unit powers down.
Receptacle Types
- バッテリーバックアップおよびサージ保護コンセント(4) These outlets provide power from the UPS battery during an outage and protect against surges. Connect your most critical equipment here.
- Surge-Only Protection Outlets (4): These outlets provide surge protection but do not offer battery backup. Connect less critical equipment that still requires surge protection.
パワーオウtage操作
停電中tage, the UPS will automatically switch to battery power. The unit will emit an audible alarm to indicate it is operating on battery. The EN550 provides approximately 3 minutes of runtime at full load (300W) and 11 minutes at half load (150W). It is recommended to save your work and shut down your computer gracefully during an extended outage.
Sentried Software
The Sentried software, available for free download, allows you to monitor the UPS status, configure settings, and perform automatic shutdowns of your computer during prolonged power events. Connect the UPS to your computer via the USB port to utilize this feature.
5. メンテナンス
バッテリー交換
The Minuteman EN550 features a hot-swappable battery design, allowing for tool-less battery replacement without powering down connected equipment. Batteries typically last 2-3 years under normal operating conditions. Refer to the Quick Install Guide or Minuteman's website for detailed battery replacement instructions.
- Always use genuine Minuteman replacement batteries to ensure compatibility and optimal performance.
- 古い電池は、地域の規制に従って責任を持って処分してください。
クリーニング
Ensure the UPS is turned off and disconnected from the AC power outlet before cleaning. Use a soft, dry cloth to wipe the exterior of the unit. Do not use liquid or aerosol cleaners.
6。 トラブルシューティング
If you experience issues with your Minuteman EN550 UPS, consult the following table for common problems and solutions.
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| UPSがオンになりません。 | バッテリーが接続されていないか放電されています。 | Ensure battery is properly connected. Plug UPS into AC outlet and allow to charge for 8 hours. |
| バッテリー駆動時間が短い。 | Overload, battery not fully charged, or battery end-of-life. | Reduce connected load. Allow UPS to charge for 8 hours. Replace battery if it is old. |
| UPS constantly beeps. | Operating on battery power during an outage またはバッテリー残量が少ない。 | Check AC power. If power is restored, UPS will return to normal. If low battery, allow to charge. |
| 接続されたデバイスに電源が供給されません。 | UPS is off, circuit breaker tripped, or outlets are surge-only. | Turn on UPS. Check and reset UPS circuit breaker. Ensure devices are plugged into battery-backed outlets. |
If the problem persists after attempting these solutions, please contact Minuteman technical support.
7. 仕様
| 特徴 | 仕様 |
|---|---|
| モデル | EN550 |
| 容量 (VA/ワット) | 550VA/300W |
| 入力ボリュームtage | 120ボルトAC |
| 巻tage範囲 | 95-140Vac |
| 出力巻tage | 120ボルトAC |
| アウトレット | 4 Battery Backup & Surge, 4 Surge-Only |
| 電池のタイプ | 密閉型鉛蓄電池(1個付属) |
| 標準的な実行時間(フルロード) | 3 minutes |
| Typical Runtime (Half Load) | 11 minutes |
| 製品寸法(長さ x 幅 x 高さ) | 12.4 x 5.1 x 3.7インチ |
| アイテム重量 | 6.4ポンド |
| 色 | 黒 |
| メーカー | Office Depot, Inc. |
| 初回利用可能日 | 15年2016月XNUMX日 |
8. 保証とサポート
製品保証
The Minuteman EN550 Uninterrupted Power Supply comes with a 3-year warranty on the unit and a 2-year warranty on the battery. Please refer to the included Warranty Card and Platinum Protection Card for full terms and conditions.
テクニカルサポート
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Minuteman customer support. Contact information can typically be found on the Minuteman webサイトまたは付属のドキュメントを参照してください。





