1。 オーバーview
The Rinnai RE180iN Non-Condensing Natural Gas Tankless Water Heater provides on-demand hot water for your home. This unit is designed for indoor installation and offers an efficient solution for continuous hot water supply. Its compact size allows for flexible placement, and the integrated LED display provides operational status and error codes for easy monitoring.

図1: 前面 view of the Rinnai RE180iN Tankless Water Heater.
2. 安全情報
設置および操作の前に、すべての説明書をよくお読みください。これらの指示に従わない場合、物的損害、人身傷害、または死亡につながる可能性があります。
- 専門家による設置: Installation of this tankless water heater requires specialized knowledge and tools. It is strongly recommended that installation be performed by a qualified, licensed professional to ensure proper and safe operation.
- ガス供給: Ensure the gas supply (Natural Gas) and connections are correctly installed and leak-free. The unit requires a 3/4-inch gas line.
- 換気: Proper ventilation is crucial for gas appliances. Ensure the vent system is installed according to local codes and manufacturer specifications to prevent carbon monoxide buildup.
- 水温: Hot water can cause severe burns. Set the water temperature to a safe level, especially in households with children or elderly individuals.
- 提案65の警告: この製品を使用すると、カリフォルニア州でがんや先天異常、その他の生殖障害を引き起こすことが知られている鉛などの化学物質にさらされる可能性があります。詳細については、 www.p65warnings.ca.gov.
3 製品の特徴
The Rinnai RE180iN tankless water heater incorporates several features designed for efficiency, convenience, and reliability:
- スマートなデザイン: Improved internal layout for easier installation and enhanced serviceability. Heats water only when necessary to conserve energy.
- 連続温水: Provides up to 8.5 GPM, capable of supplying 5 fixtures simultaneously, ensuring you never run out of hot water.
- コンパクトサイズ: Designed to be extremely compact, taking up minimal space, similar to a small suitcase.
- LEDディスプレイ: Features an LED screen that provides service reminders and error codes for quick diagnostics.
- エネルギー効率: High-efficiency non-condensing unit with an efficiency rating of 0.82.
- Optional WiFi Connectivity: Can be made smarter with a Rinnai Controlr for WiFi connectivity (not included).
機能のハイライト

Figure 2: Tankless water heaters provide hot water to critical areas like showers, baths, dishes, and laundry.

Figure 3: Enjoy a constant supply of hot water.

Figure 4: Rinnai tankless water heaters are designed for a longer lifespan.

Figure 5: Tankless units offer superior energy efficiency.

Figure 6: Space-saving design allows for more usable space.
Groundwater Temperature Map

Figure 7: Use the Groundwater Temperature Map to determine optimal performance for your region.
製品寸法

Figure 8: Dimensions of the Rinnai RE180iN unit.
公式製品ビデオ
機能と利点
Video 1: This video highlights the key features and benefits of Rinnai tankless water heaters, including energy efficiency and continuous hot water supply.
Rinnai RE/REP 360 Tankless Video (Preview)
ビデオ2: 8秒間の短い予告view ショーasing the Rinnai RE/REP tankless water heater from various angles, providing a visual overview ユニットの設計。
4. セットアップとインストール
The Rinnai RE180iN is designed for indoor installation. Due to the complexity of gas and water connections, professional installation by a licensed technician is highly recommended.
主なインストール上の考慮事項:
- 位置: Choose a suitable indoor location with adequate ventilation and access to gas, water, and electrical connections.
- ガスライン: Ensure the existing or new natural gas line is 3/4-inch in diameter to meet the unit's requirements.
- 通気システム: Install the appropriate vent system to safely exhaust combustion byproducts. Consult the detailed installation manual for specific venting requirements and options (e.g., straight or wall-mounted vents).
- 水の接続: Connect the cold water inlet and hot water outlet lines. Ensure all connections are secure and leak-free.
- 電気接続: このユニットには 120 ボルトの電気接続が必要です。
- 遮断弁: Install shut-off valves on both hot and cold water lines for ease of maintenance.
For detailed step-by-step instructions, diagrams, and safety precautions, please refer to the complete installation manual provided with your unit or visit the Rinnai Store for product guides and documents.
5. 操作手順
The Rinnai RE180iN is designed for user-friendly operation. The front panel features an LED display and control buttons.
基本操作:
- 電源オン/オフ: Press the "On/Off" button to power the unit on or off. The LED display will illuminate when the unit is active.
- 温度調整: Use the "Hot water temp." up and down arrow buttons to adjust the desired water temperature. The current approximate water temperature will be shown on the LED display. It is recommended to set the temperature to 120°F (49°C) for general household use to prevent scalding, especially if children are present.
- "In Use" Indicator: A light next to "In Use" will illuminate when hot water is being drawn and the unit is actively heating water.
- "Priority" Button: This button may be used to prioritize hot water delivery to a specific fixture or to activate a recirculation function if installed. Refer to the full manual for detailed use of the "Priority" function.

Figure 9: Control panel for temperature adjustment and power.
6. メンテナンス
Regular maintenance ensures the longevity and efficient operation of your Rinnai tankless water heater. It is recommended to have your unit serviced annually by a qualified professional.
主なメンテナンスタスク:
- スケール除去: Annually descale the unit to remove mineral buildup, especially in areas with hard water. This process typically involves circulating a descaling solution through the unit.
- フィルターのクリーニング: Check and clean the water inlet filter periodically to prevent debris from entering the unit.
- 通気システムの検査: Inspect the vent system for any obstructions, damage, or leaks.
- 一般検査: Visually inspect the unit for any signs of leaks, corrosion, or unusual wear.
Always consult the detailed owner's manual for specific maintenance procedures and schedules.
7。 トラブルシューティング
If your Rinnai RE180iN water heater is not functioning correctly, the LED display may show an error code. Refer to the owner's manual for a complete list of error codes and their corresponding troubleshooting steps.
一般的な問題と解決策:
- お湯なし:
- ユニットの電源がオンになっているかどうかを確認します。
- ガス供給が開いていることを確認してください。
- ユニットへの水の流れを確認します。
- Check for error codes on the LED display.
- 水温の不安定さ:
- Check for mineral buildup (descaling may be needed).
- Ensure proper water flow rate.
- コントロールパネルで設定温度を確認します。
- 水圧が低い:
- Inspect the water inlet filter for clogs.
- 家庭用の水圧を確認してください。
For persistent issues or complex problems, contact a qualified Rinnai service technician.
8. 仕様
| 特徴 | 仕様 |
|---|---|
| ブランド | リンナイ |
| モデル番号 | REU-VE2432FFD-US-N |
| 製品寸法 | 幅14.05インチ x 高さ27.28インチ x 奥行き10.77インチ |
| アイテム重量 | 53.9ポンド |
| 電源 | 天然ガス |
| 最大流量 | 8.5ガロン/分(GPM) |
| 最高気温 | 華氏140度 |
| BTU入力 | 180,000BTU |
| 効率 | 0.82 UEF |
| 取り付けタイプ | 壁 |
| 巻tage | 120ボルト |
| 特集 | LEDディスプレイ |
| 色 | 銀 |
9.保証とサポート
Rinnai stands behind the quality of its products. The RE180iN Tankless Water Heater comes with the following residential guarantees:
- 熱交換器: 15年間の限定保証
- 部品: 5年間の限定保証
- 労働: 1年間の限定保証
For complete warranty details, terms, and conditions, please refer to the warranty information included with your product or visit the official Rinnai webサイト。
カスタマーサポート:
If you require technical assistance, service, or need to locate a qualified technician in your area, please visit the "Find a Rinnai PRO" page on the official Rinnai website or contact Rinnai customer service directly. You can also explore additional product guides, manuals, and videos at the Rinnai Store.





