HTW Koi Duo Electric Water Heater User Manual (80 Liters)

1. はじめに

Thank you for choosing the HTW Koi Duo Electric Water Heater. This manual provides essential information for the safe installation, operation, and maintenance of your new appliance. Please read it thoroughly before installation and keep it for future reference.

The HTW Koi Duo is a versatile electric water heater available in 50, 80, and 100-liter capacities. Its compact design and multiposition installation capability (vertical or horizontal) allow it to fit into various spaces. Key features include a dual-tank system for faster hot water delivery and energy savings, a B energy efficiency rating, shielded resistance, high-density polyurethane insulation, and protection against dry overheating. It also features two electronic anodes for tank protection, WiFi connectivity via a dedicated app, a digital touch display, and a "Smart Mode" that learns your consumption habits for optimized performance.

Image 1.1: HTW Koi Duo Electric Water Heater seamlessly integrated into a modern kitchen environment.

Image 1.2: Visual representation of the HTW Koi Duo's main features, including WiFi, dual tank, and smart functions.

2. 安全情報

警告： Failure to follow these safety instructions could result in electric shock, fire, property damage, or personal injury.

• Installation and maintenance must be performed by qualified personnel only, in accordance with local regulations and this manual.
• 電源が製品ラベルの仕様と一致していることを確認します。
• 給湯器が破損または故障している場合は、使用しないでください。直ちに電源を切ってください。
• Do not block or cover ventilation openings.
• 可燃物を給湯器から遠ざけてください。
• この機器は、安全に責任を負う人物による機器の使用に関する監督または指示がない限り、身体的、感覚的、または精神的能力が低下している人、あるいは経験と知識が不足している人（子供を含む）による使用を想定していません。
• 子供が機器で遊ばないように監督する必要があります。
• A safety valve and electrolytic sleeves are critical components for safe operation and must be installed. Ensure these are included and correctly fitted during installation.

3. セットアップとインストール

Proper installation is crucial for the performance and safety of your water heater. It is highly recommended that installation be carried out by a certified professional.

3.1 開梱と検査

• 給湯器をパッケージから慎重に取り出します。
• Inspect the unit for any signs of damage during transit. Do not install a damaged unit.
• Verify that all accessories are present, including the safety valve and electrolytic sleeves. If any parts are missing, contact your supplier before proceeding.

3.2 インストール場所の選択

• The HTW Koi Duo is designed for multiposition installation (vertical or horizontal).
• Select a location that is structurally sound to support the weight of the water heater when full.
• メンテナンスと換気のためにユニットの周囲に十分なスペースを確保してください。
• 場所は凍結温度から保護される必要があります。
• 直射日光や熱源からユニットを遠ざけてください。

Image 3.1: Dimensions of the HTW Koi Duo water heater (Height: 1009 mm, Width: 556 mm, Depth: 300 mm).

3.3 水接続

1. Connect the cold water inlet (blue ring) to the main cold water supply.
2. Connect the hot water outlet (red ring) to your household hot water distribution system.
3. Install the provided safety valve on the cold water inlet. This is essential for pressure relief.
4. Install electrolytic sleeves as per local plumbing codes to prevent corrosion.
5. Open a hot water tap in your home to allow air to escape while the tank fills.
6. Once water flows steadily from the hot water tap, close the tap. The tank is now full.
7. すべての接続部に漏れがないか確認してください。

3.4 電気接続

1. Ensure the power supply is disconnected at the main breaker before making any electrical connections.
2. Connect the water heater to a dedicated electrical circuit with appropriate overcurrent protection.
3. 地域の電気規則に従って適切な接地を確保してください。
4. Once water connections are secure and the tank is full, restore power to the unit.

4. 操作

The HTW Koi Duo features a digital touch display for easy control and WiFi connectivity for remote management.

4.1 初回電源投入

• After electrical connection, the digital display will illuminate.
• The water heater will begin heating water to the default temperature setting.

4.2 Digital Touch Display

Use the touch controls on the display to:

• Adjust the desired water temperature.
• Select operating modes (e.g., Smart Mode, Manual Mode).
• View current water temperature and status indicators.

4.3 WiFi接続とアプリ制御

1. Download the HTW control app from your smartphone's app store.
2. Follow the in-app instructions to connect your water heater to your home WiFi network.
3. Once connected, you can remotely control temperature settings, switch modes, and monitor energy consumption from your smartphone.

4.4 スマートモード

The "Smart Mode" feature analyzes and memorizes your hot water consumption habits. It automatically adjusts heating cycles to provide hot water when needed, optimizing energy efficiency and reducing electricity costs. To activate Smart Mode, select it from the digital display or the mobile app.

5. メンテナンス

Regular maintenance ensures the longevity and efficient operation of your HTW Koi Duo water heater.

5.1 Electronic Anode

The HTW Koi Duo is equipped with two electronic anodes for internal tank protection. These anodes are designed for low maintenance and generally do not require periodic replacement like traditional sacrificial anodes.

5.2一般的なクリーニング

• Before cleaning, disconnect the power supply to the water heater.
• 本体の外側を柔らかい布で拭いてください。amp 布で拭いてください。研磨剤や溶剤は使用しないでください。
• Ensure the display panel is clean and free of dust for optimal touch response.

5.3 安全弁のチェック

Periodically check the safety valve (pressure relief valve) to ensure it is not blocked and functions correctly. Refer to the safety valve manufacturer's instructions for specific testing procedures. 注意： Hot water may be discharged during this test.

5.4 Draining the Tank (If Required)

If the water heater needs to be drained for extended periods of inactivity (e.g., vacation) or for servicing, follow these steps:

1. ユニットへの電源を切断します。
2. 給湯器の冷水入口バルブを閉じます。
3. Open a hot water tap in your home to relieve pressure and allow air into the tank.
4. 給湯器の下部にある排水バルブにホースを接続し、適切な排水口に導きます。
5. 排水バルブを開き、タンクを完全に空にします。
6. Once drained, close the drain valve and the hot water tap.
7. To refill, follow the steps in Section 3.3 Water Connection.

6。 トラブルシューティング

This section provides solutions to common issues you might encounter. For problems not listed here or if solutions do not resolve the issue, contact qualified service personnel.

7. 仕様

Technical specifications for the HTW Koi Duo Electric Water Heater (80 Liters).

Image 7.1: Energy Efficiency Class B for the HTW Koi Duo.

8. 保証情報

Your HTW Koi Duo Electric Water Heater is covered by a manufacturer's warranty. Please refer to the warranty card included with your product for specific terms, conditions, and duration. Keep your proof of purchase for warranty claims.

The warranty typically covers manufacturing defects under normal use. Damage resulting from improper installation, misuse, neglect, or unauthorized repairs may not be covered.

9. カスタマーサポート

For technical assistance, spare parts, or warranty claims, please contact your retailer or the manufacturer's customer service department. When contacting support, please have your product model number (Koi Duo) and serial number ready.

Manufacturer: HTW

Distributor: Gresinex

For the latest support information, visit the official HTW website or the Gresinex store page on Amazon: Gresinex Amazon Store