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Beckett Model NX Burners
Instruction Manual
WARNING
Incorrect installation, adjustment, or misuse of this burner could result in death, severe personal
injury, or substantial property damage.
To the Homeowner or Equipment Owner:
Please read and carefully follow all instructions provided
in this manual regarding your responsibilities in caring for
your heating equipment.
Contact a professional, qualifi ed service agency for
installation, start-up or service work.
Save this manual for future reference.
Weil-McLain Part No. 550-141-996/510
Potential for Fire, Smoke and Asphyxiation Hazards
Oil Fired Water Boiler
To the Professional, Qualifi ed Installer or Service
Agency:
Please read and carefully follow all instructions provided
in this manual before installing, starting, or servicing this
burner or heating system.
The Installation must be made in accordance with all
state and local codes having jurisdiction.
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Table of Contents
Related Manuals for Weil-McLain UO-3 CV
Summary of Contents for Weil-McLain UO-3 CV
- Page 1 Contact a professional, qualifi ed service agency for burner or heating system. installation, start-up or service work. The Installation must be made in accordance with all Save this manual for future reference. state and local codes having jurisdiction. Weil-McLain Part No. 550-141-996/510...
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Page 3: Table Of Contents
Weil-McLain Burner Specifi cations ......5 to your qualifi ed service agency for use in NX Burner Specifi cations for Weil-McLain Ultra Oil Boilers ..professionally setting up and maintaining your General Information ............ 6 oil burner. -
Page 4: General Information
Section: General Information General Information Owner’s Responsibility Hazard Defi nitions Incorrect installation, adjustment, and use of this burner could result in severe personal injury, death, or substantial Indicates a hazardous situation, property damage from fi re, carbon which, if not avoided, will result monoxide poisoning, soot or explosion. -
Page 5: Weil-Mclain Burner Specifi Cations
Section: Weil-McLain Burner Specifi cations Weil-McLain Burner NX Burner Specifi cations for Weil-McLain Specifi cations Ultra Oil Boilers The table below provides burner specifi cations and starting air settings for NX burners applied to Weil- Fozen Plumbing and Water Damage McLain Model UO boilers. -
Page 6: General Information
Section: General Information & Inspect/Prepare Installation SIte General Information Certifi cations/approvals Underwriters Laboratories has certifi ed this burner Table 2. – Burner Specifi cations to comply with ANSI/UL 296 and CSA-B139. Low Capacity Firing rate: 0.40 – 1.35 GPH sulfur #1 and #2 fuel oils reduce heat exchanger LB &... -
Page 7: Combustion Air Supply Information
Therefore, it is strongly recommended that an approved which should have adequate infi ltration from the outside. insulated stainless steel liner be installed. Weil-McLain Ultra Oil NX Burner Manual... -
Page 8: Safety Shutoff For Direct Vent System
Section: Inspect/Prepare Installation SIte Exhaust fans and other air-using devices: Size air Connect Outside Air Duct openings large enough to supply all air-using devices to NX Adapter in addition to the minimum size required for combustion Failure to install adapter properly could air. -
Page 9: Installing The Oil Tank And Supply System
fi lter and the valve close to the burner for ease of servicing. Filter should be rated for 50 microns or less. Weil-McLain Ultra Oil NX Burner Manual... -
Page 10: Wiring Connections Diagram
Section: Inspect/Prepare Installation SIte Figure 6. – Outside Buried Tank-Lift System To further protect the fuel supply NOTICE Incorrect Wiring Will system and reduce nozzle orifi ce Result in Improper Control plugging with fi ring rates below 0.75 gph, a dual fi ltration Operation system can be installed. - Page 11 If the thermostat short cycles or operates improperly, it may require an isolation relay for proper operation. The Beckett A/C Ready Kit (part no. 51950U) provides this function. Wiring instructions are included with the A/C Ready Kit. Weil-McLain Ultra Oil NX Burner Manual...
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Page 12: Burner Control
Section: Burner Control Burner Control and repeats the ignition sequence. The control will Fire or Explosion Hazard continue to Recycle each time the fl ame is lost, until it reaches a pre-set time allotment. The control will Can cause severe injury, death, or property damage. then go into Hard Lockout instead of recycle. - Page 13 Flashing Restricted (Hard) Lockout Soft Lockout Flame Sensed during normal operation Green Recycle (Could be stray light during standby) Control is in Pump Prime mode or Yellow Reset button currently held for 15+ seconds. Weil-McLain Ultra Oil NX Burner Manual...
- Page 14 Section: Burner Control Figure 9. Typical Burner Wiring & Burner Sequence of Operation for R7184P Control. Refer to the appliance manufacturer’s wiring diagram for actual specifi cations. SK9359 STANDBY. The burner is idle, waiting for a call for fi ring, the control shuts down the burner, enters heat.
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Page 15: Start The Burner And Set Combustion
Set Combustion with Test Instruments Oil-Burning Equipment shall be connected to fl ues having suffi cient draft at all times to assure Zero Setting Pointer Locking Nut safe and proper operation of the burner. Adjustment Screw Am52000 Weil-McLain Ultra Oil NX Burner Manual... - Page 16 Section: Start the Burner and Set Combustion Step 2: At the trace of smoke level, measure the Allow the burner to run for approximately 5 to 10 (or O ) . This is the vital reference minutes. point for further adjustments. Example: 13.5% CO (2.6% O The NX burner has a reduced...
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Page 17: Cover Installation
Operation and adjustment of the burner requires exceed the nameplate rating. technical training and skillful use of combustion test ○ Check all wiring for secure connections or insulation instruments and other test equipment. breaks. Weil-McLain Ultra Oil NX Burner Manual... -
Page 18: Removing Nozzle Line For Service
Section: Trained Service Technician’s Regular Maintenance ○ Check the pump pressure and cutoff function. Correct Nozzle and Flow ○ Check primary control safety lockout timing. Rate Required ○ Check ignition system for proper operation. Incorrect nozzles and fl ow rates could ○... -
Page 19: Check/Adjust Electrodes
1.32 1.41 SK9664 Spacing 1.10 1.23 1.30 1.35 1.46 1.56 1.20 1.34 1.42 1.47 1.59 1.70 1.25 1.39 1.48 1.53 1.65 1.77 1.35 1.51 1.60 1.65 1.79 1.50 1.68 1.77 1.84 1.65 1.84 1.75 Weil-McLain Ultra Oil NX Burner Manual... -
Page 20: Check Retention Head Alignment And Cad Cell Sighting
Section: Trained Service Technician’s Regular Maintenance Turn the air adjustment screw clockwise to adjust Check Retention Head Alignment and Cad the plate with the pointer to the zero position. Cell Sighting Referring to Figure 10, slide the nozzle line (Refer to Figure 13.) assembly forward until the retention head engages The cad cell sighting holes in the throttle cup and the the fi... - Page 21 Section: Trained Service Technician’s Regular Maintenance Figure 13. – Retention Head/Throttle Cup Alignment Figure 14. – Blower wheel assembly SK9670 Weil-McLain Ultra Oil NX Burner Manual...
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Page 22: Replacement Parts
Section: Replacement Parts Replacement Parts Beckett For best performance specify genuine replacement parts... - Page 23 1010U Combustion Blanket (Requiredf 31489 Inlet air louvers 1013U for 3, 4, and 5 section Direct Nozzle Line Electrode and Head Specify Vent Boilers.) Assembly * Denotes an optional part per burner specifi cation. Weil-McLain Ultra Oil NX Burner Manual...
- Page 24 Beckett, any other liability or obligation in connection with the sale of this equipment. Beckett’s liability and Customer’s exclusive remedy is limited to the cost of the product. Form Number 6104 WMNX R10, Printed in the U.S.A. 05/10 Weil-McLain Part No. 550-141-996/510 © 2010 R.W. Beckett Corporation...