1. はじめに
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your new COSMO COS-304ECC 30-inch Electric Ceramic Glass Cooktop. Please read all instructions carefully before use and retain this manual for future reference.

Figure 1: COSMO COS-304ECC Electric Ceramic Glass Cooktop
2. 安全情報
お客様と周囲の安全は非常に重要です。この取扱説明書および機器に記載されているすべての安全に関するメッセージをお読みください。これらの指示に従わない場合、重傷または死亡につながる可能性があります。
- 高温表面表示灯: This light alerts you when any surface area is too hot to touch, even after the burner has been turned off.
- 自動安全シャットオフ: The cooktop is equipped with an automatic safety shut-off function that activates if the external temperature of the cooktop becomes too high.
- 電気接続: Ensure the cooktop is properly installed and grounded by a qualified electrician in accordance with all local codes and ordinances.
- 調理器具: Use only flat-bottomed cookware appropriate for electric ceramic glass cooktops.
- クリーニング: 清掃する前に必ずコンロが完全に冷めるまで待ってください。
3. インストールとセットアップ
3.1インストール前のチェックリスト
- Verify that all components listed in the 'Included Components' section are present.
- Ensure the installation area meets the required dimensions and clearances.
- Confirm that the electrical supply meets the cooktop's requirements.
3.2 電気要件
- 巻tage: 240ボルト
- 配線: 3-Wire or 4-Wire connection. This appliance is hard-wired and does not use a plug.
- ワットtage: 2500 watts (total for dual zone burner, individual burners vary)
3.3 寸法とカットアウト
The cooktop is designed for drop-in installation. Accurate measurements are crucial for proper fit.

Figure 2: Cooktop Dimensions (W x D x H): 30" x 21.5" x 2.8"-3.75"
- 製品寸法: 30インチ(幅)×21.5インチ(奥行き)×2.8~3.75インチ(高さ)
- カットアウト寸法: Refer to the installation manual included with your product for precise cut-out specifications.
3.4 Connecting the Cooktop
The cooktop must be hard-wired to a dedicated electrical circuit. Consult a qualified electrician for proper wiring and connection to ensure safety and compliance with electrical codes.
4. 操作手順
4.1 Control Knobs and Burners
The cooktop features four electric burners controlled by intuitive knobs located on the side panel.

Figure 3: Burner Layout and Wattage
- フロント左バーナー: Dual Zone, 9.3 in. 2500W / 5.5 in. 1200W elements.
- 後部左バーナー: 1200W single element.
- フロント右バーナー: Dual Zone, 7.5 in. 1800W / 4.7 in. 750W elements.
- 後部右バーナー: 1200W single element.
To activate a burner, push down and turn the corresponding control knob to the desired heat setting.
4.2熱レベル
The cooktop offers 5 heat levels, providing flexibility for various cooking tasks, from high heat for boiling and frying to a low simmer for delicate sauces.
4.3 Hot Surface Indicator Light
Each burner area is equipped with a Hot Surface Indicator Light. This light will illuminate when the surface is hot and will remain on until the surface has cooled to a safe temperature.

Figure 4: Hot Surface Indicator Light
4.4 自動安全停止装置
For enhanced safety, the cooktop features an automatic shut-off mechanism that activates if a burner is left on for an extended period or if the surface temperature exceeds safe limits.
4.5 調理器具の互換性
The ceramic glass surface is compatible with most types of flat-bottomed cookware, including stainless steel, frying pans, ceramic pots, aluminum pots, copper pots, glass pots, and woks.
5. メンテナンスと清掃
5.1 セラミックガラス表面の洗浄
The sleek ceramic glass surface is designed for easy cleaning. Allow the cooktop to cool completely before cleaning to prevent burns and damage.
- Use a ceramic cooktop cleaner and a soft cloth or sponge.
- 表面を傷つけたり損傷したりする可能性のある研磨剤入りの洗剤、研磨パッド、または強力な化学薬品は使用しないでください。
- Wipe up spills immediately, especially sugary spills, to prevent pitting or permanent stains.
5.2 Cleaning Control Knobs
The control knobs can be removed for thorough cleaning. Gently pull the knobs straight off the stems, wash with warm, soapy water, rinse, and dry completely before reattaching.
6。 トラブルシューティング
If you experience issues with your cooktop, please review the following common troubleshooting steps. For more complex problems, contact customer support.
- コンロがオンにならない: Check the circuit breaker or fuse box. Ensure the cooktop is properly connected to the electrical supply.
- Burner not heating: Verify the control knob is set to the desired heat level. Ensure cookware is properly placed on the burner.
- 加熱ムラ: Use flat-bottomed cookware that matches the size of the burner element.
7. 仕様
| 特徴 | 仕様 |
|---|---|
| ブランド | コスモ |
| モデル番号 | COS-304ECC |
| インストールタイプ | ドロップイン |
| 加熱要素 | 4 (2 Dual Zone, 2 Single Element) |
| バーナータイプ | Ceran / Ceramic |
| 材料 | SCHOTT CERAN Black Ceramic Glass |
| 製品の寸法(W x D x H) | 30インチ x 21.5インチ x 2.8インチ~3.75インチ |
| 電気要件 | 240V, 3-Wire or 4-Wire |
| ワットtage | 2500W (Dual Zone), 1800W (Dual Zone), 1200W (Single) |
| 特集 | Dual Zone Elements, Hot Surface Indicator Light |
| 認証 | UL |
8. 保証とサポート
Your COSMO COS-304ECC cooktop comes with a 2 年間限定部品保証. For warranty claims, technical assistance, or any product-related inquiries, please contact our customer support team. Our team is proudly based in the USA and ready to assist you.
For further assistance, please refer to the contact information provided in your included Installation & User Manuals or visit the official COSMO webサイト。





