1. Utangulizi
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. Taarifa za Usalama
ONYO: 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.
- Vaa vifaa vya kinga binafsi (PPE) vinavyofaa wakati wa ufungaji na matengenezo.
- Ensure all connections are secure and leak-free to prevent fire hazards.
- Usitumie pampu ikiwa imeharibika au haifanyi kazi vizuri.
3. Bidhaa Imeishaview
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.

Kielelezo 3.1: Mbele 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.

Kielelezo 3.2: Upande 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.

Kielelezo cha 3.3: Nyuma 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.
Sifa Muhimu:
- Model: BFP 21 L3 (071N0107)
- Replaces: BFP 31 series
- Rotation: Left
- Shaft Diameter: 8 mm
4. Kuweka na Kuweka
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.
- Maandalizi: Ensure the burner system is completely shut down and power is disconnected. Close all fuel supply valves.
- Uondoaji wa pampu ya zamani: 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.
- Viunganisho vya Umeme: Reconnect electrical wiring according to the burner manufacturer's diagram. Verify correct polarity and secure all connections.
- Kuweka pampu: After installation, the pump may need to be primed to remove air from the fuel lines. Follow the burner manufacturer's procedure for priming.
- Angalia Uvujaji: Before full operation, perform a thorough leak check on all fuel connections.
- Uanzishaji wa Awali: Restore power and fuel supply. Carefully observe the burner's operation during initial start-up, checking for proper ignition and fuel delivery.
5. Maagizo ya Uendeshaji
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.
- Uendeshaji Otomatiki: The pump will engage and deliver fuel when the burner control calls for heat.
- Marekebisho ya Shinikizo: 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.
- Ufuatiliaji: Regularly monitor your heating system for unusual noises, fuel odors, or performance issues.
6. Matengenezo
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.
- Ukaguzi wa Mwaka: Have the pump and burner system inspected annually by a professional. This includes checking for leaks, wear on components, and proper pressure settings.
- Kubadilisha Kichujio: 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.
- Kusafisha/Kubadilisha Nozo: The burner nozzle should be cleaned or replaced as part of routine maintenance to ensure proper fuel atomization.
- Ukaguzi wa Muhuri wa Shimoni: Inspect the pump shaft seal for any signs of oil leakage. Address any leaks promptly.
7. Utatuzi wa shida
This section provides general troubleshooting tips. For complex issues or if you are unsure, always contact a qualified service technician.
| Tatizo | Sababu inayowezekana | Suluhisho |
|---|---|---|
| Burner inashindwa kuwasha | No fuel delivery, air in lines, clogged nozzle, faulty ignition. | Check fuel supply, prime pump, inspect/clean nozzle, check ignition system. Wasiliana na fundi. |
| Pampu kufanya kelele isiyo ya kawaida | Air in fuel, worn bearings, foreign object. | Check for air leaks in suction line, inspect pump. Wasiliana na fundi. |
| Oil leakage from pump | Viungo vilivyolegea, mihuri iliyoharibika. | Tighten connections, replace seals. Wasiliana na fundi. |
| Inconsistent flame or poor combustion | Incorrect pressure, partially clogged nozzle, air in fuel. | Check/adjust pressure, clean/replace nozzle, bleed air. Wasiliana na fundi. |
8. Vipimo
Below are the key specifications for the Danfoss BFP 21 L3 Oil Burner Pump (Model 071N0107).
- Mtengenezaji: DANFOSS
- Nambari ya Mfano: 071N0107 / 88.70100-0040
- Vipimo vya Bidhaa: Takriban 10 x 10 x 10 cm (3.94 x 3.94 x 3.94 inchi)
- Uzito wa Kipengee: Approximately 1.08 kilograms (2.38 pounds)
- Mzunguko: Kushoto
- Kipenyo cha Shimoni: 8 mm
- Betri Inahitajika: Hapana
- Betri Imejumuishwa: Hapana
- ASIN: B07DCVM3WW
- Tarehe ya Kwanza Inapatikana: Aprili 15, 2022
9. Udhamini na Msaada
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.