Page 2 - General
Page 2 WM 550-141-996/1105 RWB 6104WMNX R1005 Table of Contents Hazard Defi nitions and Owner’s Information ........................................................................................ 3 Information To Be Used Only By Qualifi ed Service Technicians Weil McLain Burner Specifi cation ........
Page 3 - Thank you for purchasing a Beckett NX burner; tact your qualifi ed service agency; Warning – Owner’s; Hazard Defi nitions; substantial property damage; Denotes presence of a hazard which,; NOTICE; Warning–Designation; substantial property damage; General Information
WM 550-141-996/1105 Page 3 RWB 6104WMNX R1005 To the Owner: Thank you for purchasing a Beckett NX burner for use with your heating appliance. Please pay atten-tion to the Safety Warnings contained within this in-struction manual. Keep this manual for your records and provide it to your quali fi ed s...
Page 4 - Table 1. Burner Confi gurations; NX Burner Specifi cations for Weil-McLain Ultra Oil Boilers; qualifi ed Service Technician.; Weil-McLain Burner Specifi cations
Page 4 WM 550-141-996/1105 RWB 6104WMNX R1005 Verify that burner speci fi cation number (on burner carton) and con fi guration agrees with information below. Table 1. Burner Confi gurations The table below provides burner speci fi cations and starting air settings for NX burners applied to Weil-McLa...
Page 5 - Table 2 – Burner Specifi cations; Certifi cations/approvals; Warning–Professional; General Specifi cations
WM 550-141-996/1105 Page 5 RWB 6104WMNX R1005 General Specifi cations Table 2 – Burner Specifi cations Capacity LB & LCFiring rate 0.40 – 1.35 GPH Input 56,000 – 189,000 Btu LD & LFFiring rate 1.10 - 1.75 GPH Input 154,000 – 245,000 Btu/h Fuels U. S No. 1 or No. 2 heating oil only .............
Page 6 - Figure 1. Burner label location; Notice Special Requirements
Page 6 WM 550-141-996/1105 RWB 6104WMNX R1005 Figure 1. Burner label location State and local approvals are shown on burner rat- ing label mounted on the burner housing. For recommended installation practice in Canada, refer to the latest version of CSA Standard B139 & B140. General Specifi cati...
Page 7 - Inspect/Prepare Installation Site; Clearances to Burner and Appliance; Warning–Adequate Air; Asphyxiation Hazard; Exhaust fans and other air-using devices:; Safety Shutoff for Direct Vent System; Direct/Sidewall Venting Application; Site Preparation; Figure 2. Pressure Switch Installation; Appliances located in confi ned spaces:
WM 550-141-996/1105 Page 7 RWB 6104WMNX R1005 Inspect/Prepare Installation Site Clearances to Burner and Appliance Provide space around burner and appliance for ease of service and maintenance. Check the minimum clearances against those shown by the appliance manufacturer and by ap-plicable building...
Page 8 - Failure to install adapter; Caution–Do Not Use; System Wiring
Page 8 WM 550-141-996/1105 RWB 6104WMNX R1005 Fuel Line Valves and Filter Install two high quality oil duty rated shutoff valves in accessible locations on the oil supply line. Locate one close to the tank and the other close to the burner, upstream of the fi lter. Also install a generous capacity f...
Page 9 - Connect Fuel Lines; Wiring Connection Diagram; Caution–Oil Supply; Damage to Pump Seal could cause; Burner Preparation; the average cad cell resistance
WM 550-141-996/1105 Page 9 RWB 6104WMNX R1005 Warning – By-pass Plug in 2 Pipe System The burner pump is shipped without the by-pass plug installed. You must install this plug on two-pipe oil systems. If the unit is a one-pipe oil system DO NOT install the plug in the pump. Failure to comply could c...
Page 11 - Figure 4. – Typical Burner Wiring & Burner Sequence of Operation
WM 550-141-996/1105 Page 11 RWB 6104WMNX R1005 G R R BK W O V BL/W BURNER JUNCTION BOX BURNER PRIMARY CONTROL 3/T T CAD CELL IGNITOR SOLENOID VALVE Y Y W W W LIMIT L1 L2 L2 L2 L2VALVE IGNITOR MOTOR W BK R7184P Primary ontrol C T 1 2 B ER MOTOR URN R BK W PRESSURE SWITCH (DIRECT VENT ONLY) Burners wi...
Page 12 - Start the Burner and Set Combustion; Start-up and Initial Settings; Start the Burner; Step
Page 12 WM 550-141-996/1105 RWB 6104WMNX R1005 Start the Burner and Set Combustion Start-up and Initial Settings Open the shutoff valves in the oil supply line to the burner. Referencing Figure 5 verify and/or set the Head/Air Adjustment Pointer to the value shown in Table 1. This is an initial air ...
Page 13 - Cover Installation; Figure 6. – Burner Cover; Could cause death, personal; Set Combustion with Test Instruments
WM 550-141-996/1105 Page 13 RWB 6104WMNX R1005 Chimney Vent Systems: Install the burner cover and repeat Steps 2 and 4 above. If CO2 increas- es (O2 decreases), remove the cover and adjust the air setting so the CO2 (O2) with the cover installed meets the requirements of Step 3. Direct Vent Systems ...
Page 15 - Nozzle Installation; Professional Maintenance; Figure 7. – Electrode tip gap and spacing
WM 550-141-996/1105 Page 15 RWB 6104WMNX R1005 Nozzle Installation Obtain a nozzle having the capacity, spray angle, and pattern speci fi ed in the appliance manufac- turer’s information or Beckett OEM Speci fi cation Guide, Part # 6711. Make certain the correct nozzle is selected for the actual fue...
Page 16 - Check/Adjust Electrodes; Figure 9 – Retention Head/Throttle Cup Alignment; Check/Adjust “Zero” Calibration
Page 16 WM 550-141-996/1105 RWB 6104WMNX R1005 Check/Adjust Electrodes Check the electrode tip settings, as shown in Fig- ure 7. If necessary, adjust by loosening the elec-trode clamp screw (Figure 8) and slide/rotate the electrodes as necessary. When the adjustment is complete, securely tighten the...
Page 17 - Blower Wheel Replacement; Figure 10. – Blower wheel assembly
WM 550-141-996/1105 Page 17 RWB 6104WMNX R1005 Professional Maintenance Blower Wheel Replacement For installation or replacement of a blower wheel, insure that there is a space between the blower wheel and the motor face of 0.115”. Refer to Figure 10. • Figure 10. – Blower wheel assembly SK9670
Page 18 - Beckett; Replacement Parts Diagram
Page 18 WM 550-141-996/1105 RWB 6104WMNX R1005 For best performance specify genuine Beckett replacement parts Replacement Parts Diagram Professional Maintenance SK967102 SK9803B SK9804B
Page 20 - Limited; WARRANTY; BECKETT; CORPORATION
Page 20 WM 550-141-996/1105 RWB 6104WMNX R1005 Limited WARRANTY For Residential, Commercial and Specialty Burners The R. W. BECKETT CORPORATION (“Beckett”) warrants to persons who purchase its Beckett burners from Beckett for resale or for incorporation into a product for resale (“Customers”) that i...