1. はじめに
This instruction manual provides essential information for the safe and efficient installation, operation, and maintenance of the Danfoss BFP 21 L3 Oil Burner Pump, model 071N0107. Please read this manual thoroughly before attempting any procedures to ensure proper function and to prevent damage or injury.
2. 安全情報
警告: To prevent health and bodily harm, installation, maintenance, initial commissioning, repairs, and other inspections must be carried out by authorized professionals, such as contractual installation companies or qualified technicians. Improper installation or service can lead to serious injury or equipment damage.
- Always disconnect power to the burner system before performing any work on the pump.
- 設置およびメンテナンス中は適切な個人用保護具 (PPE) を着用してください。
- Ensure all connections are secure and leak-free to prevent fire hazards.
- ポンプが損傷または故障している場合は操作しないでください。
3.製品オーバーview
The Danfoss BFP 21 L3 is a high-quality oil burner pump designed for reliable fuel delivery in heating systems. This model, 071N0107, is a direct replacement for the BFP 31 series and features a left rotation and an 8 mm shaft diameter.

図3.1: 前面 view of the Danfoss BFP 21 L3 Oil Burner Pump. This image shows the main body of the pump with its shaft extending forward, ready for connection to a motor.

図3.2:側面 view of the Danfoss BFP 21 L3 Oil Burner Pump, highlighting the product label. The label clearly displays "BFP 21 L3" and "071N0107", along with other technical markings and certifications.

図3.3:背面 view of the Danfoss BFP 21 L3 Oil Burner Pump, focusing on the shaft connection point. This perspective shows the robust construction around the shaft, indicating its connection to the burner motor.
主な特徴:
- Model: BFP 21 L3 (071N0107)
- Replaces: BFP 31 series
- Rotation: Left
- Shaft Diameter: 8 mm
4. セットアップとインストール
Installation of the Danfoss BFP 21 L3 oil burner pump should only be performed by a qualified technician. Incorrect installation can lead to system malfunction, fuel leaks, or fire hazards. The following steps are general guidelines; always refer to the specific burner manufacturer's instructions and local codes.
- 準備: Ensure the burner system is completely shut down and power is disconnected. Close all fuel supply valves.
- 古いポンプの撤去: Carefully disconnect fuel lines and electrical connections from the old pump. Note the orientation and connections for proper reinstallation. Remove mounting bolts and detach the old pump.
- Mounting the New Pump: Position the new Danfoss BFP 21 L3 pump, ensuring the shaft aligns correctly with the motor coupling. Secure the pump using the appropriate mounting bolts.
- Connecting Fuel Lines: Connect the suction and return fuel lines to the designated ports on the pump. Ensure all connections are tight and sealed to prevent leaks.
- 電気接続: Reconnect electrical wiring according to the burner manufacturer's diagram. Verify correct polarity and secure all connections.
- ポンプのプライミング: After installation, the pump may need to be primed to remove air from the fuel lines. Follow the burner manufacturer's procedure for priming.
- リークチェック: Before full operation, perform a thorough leak check on all fuel connections.
- 初期起動: Restore power and fuel supply. Carefully observe the burner's operation during initial start-up, checking for proper ignition and fuel delivery.
5. 操作手順
The Danfoss BFP 21 L3 oil burner pump operates as an integral part of your heating system. Once properly installed and commissioned by a professional, its operation is typically automatic, controlled by the burner's control unit.
- 自動操作: The pump will engage and deliver fuel when the burner control calls for heat.
- 圧力調整: The pump's pressure is factory-set but may require fine-tuning during commissioning. This adjustment should only be performed by a qualified technician using appropriate pressure gauges.
- 監視: Regularly monitor your heating system for unusual noises, fuel odors, or performance issues.
6. メンテナンス
Regular maintenance is crucial for the longevity and efficient operation of your Danfoss BFP 21 L3 oil burner pump and the entire heating system. All maintenance procedures should be carried out by a qualified service technician.
- 年次検査: Have the pump and burner system inspected annually by a professional. This includes checking for leaks, wear on components, and proper pressure settings.
- フィルターの交換: The oil filter (if external to the pump) should be replaced regularly as recommended by the burner manufacturer. A clogged filter can strain the pump and reduce efficiency.
- ノズルの清掃/交換: The burner nozzle should be cleaned or replaced as part of routine maintenance to ensure proper fuel atomization.
- シャフトシールチェック: Inspect the pump shaft seal for any signs of oil leakage. Address any leaks promptly.
7。 トラブルシューティング
This section provides general troubleshooting tips. For complex issues or if you are unsure, always contact a qualified service technician.
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| バーナーが発火しない | No fuel delivery, air in lines, clogged nozzle, faulty ignition. | Check fuel supply, prime pump, inspect/clean nozzle, check ignition system. 技術者に連絡してください。 |
| ポンプが異常な音を立てる | Air in fuel, worn bearings, foreign object. | Check for air leaks in suction line, inspect pump. 技術者に連絡してください。 |
| Oil leakage from pump | 接続が緩んでいる、シールが損傷している。 | Tighten connections, replace seals. 技術者に連絡してください。 |
| Inconsistent flame or poor combustion | Incorrect pressure, partially clogged nozzle, air in fuel. | Check/adjust pressure, clean/replace nozzle, bleed air. 技術者に連絡してください。 |
8. 仕様
Below are the key specifications for the Danfoss BFP 21 L3 Oil Burner Pump (Model 071N0107).
- メーカー: ダンフォス
- モデル番号: 071N0107 / 88.70100-0040
- 製品寸法: 約10 x 10 x 10 cm(3.94 x 3.94 x 3.94インチ)
- 商品の重量: Approximately 1.08 kilograms (2.38 pounds)
- 回転: 左
- シャフト径: 8ミリメートル
- 必要な電池: いいえ
- 電池付属: いいえ
- ASIN: B07DCVM3WW
- 発売日: 15年2022月XNUMX日
9. 保証とサポート
For warranty information and technical support, please refer to the documentation provided with your purchase or contact your authorized Danfoss dealer or service center. Keep your proof of purchase for warranty claims.
Danfoss does not provide specific information regarding spare parts availability directly to end-users. Please consult with your authorized service provider for spare parts inquiries.