DANFOSS BFP 21R3 Burner Oil Pump 071N0109

1. Kupu Whakataki

This manual provides essential information for the safe and efficient installation, operation, and maintenance of the DANFOSS BFP 21R3 Burner Oil Pump, model number 071N0109. Please read this manual thoroughly before attempting any installation or operation to ensure proper function and to prevent damage or injury. Keep this manual for future reference.

Whakaahua 1: Whānui view of the DANFOSS BFP 21R3 Burner Oil Pump.

2. Nga korero haumaru

Always observe general safety precautions when working with fuel systems and electrical components. Failure to follow these instructions may result in property damage, serious injury, or death.

• Ensure the power supply to the burner system is disconnected before installation, maintenance, or troubleshooting.
• Mau taputapu whakamarumaru whaiaro (PPE) e tika ana, tae atu ki nga karapu me te whakamarumaru kanohi.
• Handle fuel with care. Fuel is flammable and can cause skin irritation.
• Ko te whakaurunga me te ratonga ka mahia e nga kaimahi whai mana anake.
• Check for leaks after installation and before operating the system.
• Do not modify the pump or its components. Use only genuine DANFOSS replacement parts.

3. Hua Neke Atuview

The DANFOSS BFP 21R3 is a compact burner oil pump designed for use in oil burner systems. It is engineered for reliable fuel delivery and pressure regulation. The pump features a robust metal construction and is suitable for industrial applications.

Whakaahua 2: Taha view of the pump, highlighting the 'P' (pressure) and 'V' (return) ports, and model identification.

Ko nga ahuatanga matua ko:

• Tauira: BFP 21R3
• Tau Wāhanga: 071N0109
• Rauemi: Te whakarewa
• Tae: Pango
• Taupānga: Burner Oil Systems

Whakaahua 3: Runga view of the pump, showing the electrical connector for power supply.

4. Tatūnga me te Tāuta

Proper installation is crucial for the pump's performance and longevity. Refer to your burner manufacturer's instructions for specific mounting requirements.

4.1 Whakapiki

• Mount the pump securely to the burner motor or a stable surface using appropriate fasteners.
• Ensure the pump shaft aligns correctly with the motor coupling.

Whakaahua 4: Raro view of the pump, illustrating the drive shaft and mounting screw locations.

4.2 Fuel Line Connections

Connect the fuel lines as follows:

1. Inlet (Suction) Line: Connect the fuel supply line to the designated inlet port. Ensure a tight, leak-free connection.
2. Nozzle Line (Pressure): Connect the line leading to the burner nozzle to the pressure port (marked 'P' on some models).
3. Raina Whakahoki: If applicable, connect the return line to the return port (marked 'V' on some models) to send excess fuel back to the tank. For single-pipe systems, the return port must be plugged.

4.3 Hononga Hiko

Connect the pump's electrical terminals to the burner control system according to the burner manufacturer's wiring diagram. Ensure correct voltage and polarity. All electrical work must comply with local codes and regulations.

4.4 Te Whakapai i te Puma

After installation, the pump must be primed to remove air from the fuel lines. This is typically done by running the burner for a short period until a steady flame is established. Some pumps may have a bleed screw for manual air removal.

5. Nga Tohutohu Whakahaere

Once installed and primed, the DANFOSS BFP 21R3 pump operates automatically in conjunction with the burner control system. The pump maintains the required fuel pressure for efficient combustion.

5.1 Te Whakatikatika Whakatau

The pump's pressure can be adjusted via a pressure regulating screw, typically located on the pump body. Use a pressure gauge to set the desired operating pressure as specified by the burner manufacturer. Turn the screw clockwise to increase pressure and counter-clockwise to decrease pressure.

6. Tiaki

Regular maintenance ensures optimal performance and extends the life of the pump.

6.1 Nga Tirohanga Mahi

• Inspect fuel lines for leaks, cracks, or damage.
• Tirohia ngā hononga hiko mō te piripono me te waikura.
• Whakarongo ki ngā haruru rerekē i te wā e whakamahia ana, he tohu pea tēnei kei te puta he raruraru.

6.2 Tātari Whakakapinga

The pump typically contains an internal filter that should be inspected and replaced periodically, usually annually or as recommended by the burner manufacturer. A clogged filter can restrict fuel flow and reduce pump performance.

Figure 5: Close-up of the pump's drive shaft, which connects to the motor.

7. Te Raru

This section outlines common issues and potential solutions. Always disconnect power before performing any troubleshooting steps.

8. Whakatakotoranga

9. Pūtāhui me te Tautoko

For warranty information or technical support, please contact your authorized DANFOSS dealer or the seller from whom the product was purchased. Keep your proof of purchase for warranty claims.