導入
Thank you for choosing the A. O. Smith EWS-3 3L Instant Water Heater. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your new water heater. Please read it thoroughly before installation and use, and retain it for future reference.
安全情報
重要な安全上の注意事項:
- この給湯器を使用する前に、すべての説明書をお読みください。
- Installation must be performed by a qualified technician in accordance with all local codes and this manual.
- Ensure the electrical supply matches the rating plate specifications (230 Volts, 3000 Watts).
- 給湯器が損傷または故障している場合は、使用しないでください。
- ブロックしたり、tしたりしないでくださいamp圧力リリーフバルブを使用してください。
- メンテナンスや修理を行う前に必ず電源を切ってください。
- 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。
製品終了view
The A. O. Smith EWS-3 3L Instant Water Heater is designed for quick and efficient hot water delivery. Key features include:
- 容量: 3リットル
- ワットtage: 3000 Watts for instant heating
- 圧力定格: 8 Bar, suitable for high-rise buildings
- タンク: Blue Diamond Glass Lined Tank for corrosion resistance
- 加熱要素: Glass Coated Incoloy Heating Element for extended life
- 耐久性: Rustproof and durable construction
含まれるコンポーネント: Water Heater, User Manual, Mounting screws.

図1: 前面 view of the A. O. Smith EWS-3 3L Instant Water Heater.

Figure 2: Illustration of Blue Diamond Glass Lined Tank technology, enhancing durability and corrosion resistance.
セットアップとインストール
For optimal performance and safety, professional installation by a qualified technician is strongly recommended. Incorrect installation can void your warranty and pose safety risks.
インストール手順:
- 場所の選択: Choose a suitable wall-mount location, ensuring it is close to the point of use and has adequate space for maintenance. The wall must be strong enough to support the water heater's weight when full.
- 取り付け: Securely mount the water heater to the wall using the provided mounting screws. Ensure it is level.
- 水の接続:
- 冷水入口を給湯器の指定の入口パイプに接続します。
- Connect the hot water outlet to the hot water supply line leading to your faucet.
- Ensure all connections are tight and leak-free. Use appropriate sealing tape.
- 電気接続:
- Connect the water heater to a dedicated 16 Ampere power socket.
- 適切な接地を確認してください。
- 延長コードやアダプタは使用しないでください。
- タンクの充填: Before switching on the power, open the hot water faucet to allow the tank to fill completely and air to escape. Once water flows steadily from the hot water faucet, close it.

図3:例ample of water heater with visible inlet and outlet connections, crucial for proper installation.
操作手順
Operating your A. O. Smith EWS-3 3L Instant Water Heater is straightforward:
- 電源オン: After ensuring the tank is full of water (as per installation step 5), switch on the main power supply to the water heater.
- 加熱プロセス: The water heater will begin heating the water instantly. Indicator lights (if present on your model) will illuminate to show the heating status.
- 給湯: Open the hot water faucet. Hot water will be available almost immediately.
- 電源を切る: When hot water is no longer needed, switch off the power supply to the water heater.
注記: As an instant water heater, it provides hot water on demand for short durations, suitable for kitchen or bathroom use where small quantities of hot water are needed quickly.
メンテナンス
定期的なメンテナンスは、給湯器の寿命と効率的な運転を保証します。メンテナンスを行う前に、必ず電源を切ってください。
- 外装清掃: 外側を掃除するasingを柔らかく、damp 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。
- 圧力逃し弁: Periodically check the pressure relief valve to ensure it is not blocked. Do not attempt to operate it manually unless specifically instructed by a qualified technician.
- スケール除去: In areas with hard water, mineral deposits can accumulate on the heating element and tank. This can reduce efficiency. Descaling should be performed by a qualified technician as needed.
- 年次検査: It is recommended to have your water heater inspected by a qualified service technician annually to check for wear, leaks, and proper operation.
トラブルシューティング
カスタマー サービスに連絡する前に、次の一般的な問題を確認してください。
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| お湯が出ない | 電源が供給されない、回路ブレーカーが落ちる、加熱要素に障害がある。 | Check power switch and circuit breaker. If problem persists, contact service. |
| 水が十分に熱くない | Insufficient power; excessive water flow; mineral buildup. | Ensure full power. Reduce water flow. Contact service for descaling. |
| 水漏れ | Loose connections; faulty pressure relief valve; tank damage. | Tighten connections. Do not attempt to repair tank damage; contact service immediately. |
| 異常なノイズ | タンク内に沈殿物が蓄積しています。加熱要素に障害があります。 | Contact service for inspection and descaling. |
If you encounter issues not listed here or if the suggested solutions do not resolve the problem, please contact A. O. Smith customer support.
仕様
| ブランド | AO スミス |
| モデル番号 | EWS-3_3K (3L) |
| 容量 | 3リットル |
| ワットtage | 3000ワット |
| 巻tage | 230ボルト |
| 最大圧力 | 8 バー |
| 製品寸法(幅×高さ) | 24.5 cm × 38.4 cm |
| アイテム重量 | 4.2キログラム |
| 材質タイプ | アクリロニトリルブタジエンスチレン(ABS) |
| 特集 | Rustproof, Durable, Blue Diamond Glass Lined Tank, Glass Coated Incoloy Heating Element |
| マウントタイプ | 壁掛け |
保証情報
A. O. Smith provides the following warranty for the EWS-3 3L Instant Water Heater:
- インナータンク: 5年
- ガラスコーティングされた発熱体: 2 + 1* years extended warranty (*terms and conditions apply)
- 包括的な保証: 2 years on the entire product
Please retain your purchase receipt for warranty claims. The warranty may be subject to terms and conditions, including proper installation by a qualified technician. For detailed warranty terms, refer to the official warranty card included with your product or contact customer support.
カスタマーサポート
For any queries, service requests, or technical assistance, please contact A. O. Smith customer support:
- フリーダイヤル番号: 1800 103 2468
- メーカー: A. O. Smith India Water Products Pvt. Ltd.
- 住所: Plot No. 300, Phase - 2, KIADB Industrial Area, Harohalli, Karnataka 562112, India
You can also visit the official A. O. Smith website for more information and to locate service centers.