NX Oil Burner Instruction Manual Voltage: 120 Vac / 60 Hz NX Burner NX Burner Cover NX MODEL Beckett
Instruction Manual – Model NX Oil Burner Beckett Contents Prepare before installing Verify specifications……………………………….……………………………………... 3 Be aware of hazard definitions.…………….…………….…..………………………… 3 Check certifications/approvals………………………………………………………….. 3 Notice special requirements………………….…………...……………………………. 3 Prepare burner & site Inspect/prepare installation site……………………...…………………………………. 4 Prepare burner……………………………...…..………………………………………... 5 Check retention head alignment………………………………………………………..
Beckett Verify specifications Capacity 9-slot head Firing rate..……..……………....…... 0.40 – 1.35 GPH Input..………..….…………… 56,000 – 189,000 Btu/h 6-slot head Firing rate..…..……………………… 0.40 - 1.35 GPH Fuels Prepare before installing Be aware of hazard definitions DANGER Denotes presence of a hazard which, if ignored, will result in severe personal injury, death, or substantial property damage.
Instruction Manual – Model NX Oil Burner Beckett Prepare burner & site Inspect/prepare installation site Inspect/prepare installation site (continued) Chimney or vent Clearances to burner and appliance • • Provide space around burner and appliance for easy service and maintenance. • Check minimum clearances against those shown by the appliance manufacturer and by applicable building codes. • Inspect the chimney or vent, making sure it is properly sized and in good condition for use.
Beckett Instruction Manual – Model NX Oil Burner Prepare burner & site Prepare burner Low Firing Rate Baffle Install burner nozzle (if not already installed) (continued) Use care when removing and installing oil nozzles: CAUTION The NX Low Firing Rate Baffle (LFRB), item 25, page 11, reduces the burner Inspect the nozzle adapter before installing nozzle. If it is grooved or air flow and pressure.
Instruction Manual – Model NX Oil Burner Beckett Prepare burner & site Check/adjust “Zero” calibration Prepare burner (continued) Check/adjust electrodes Check the electrode tip settings. Adjust if necessary to comply with the dimensions shown in Figure 1. To adjust, loosen the electrode clamp screw and slide/rotate electrodes as necessary. Securely tighten the clamp screw when finished. 1. See Figure 3. The zero calibration has been factory set on burners with factory-installed air tubes.
Beckett Instruction Manual – Model NX Oil Burner Set head/air adjustment plate position 1. See Figure 4. Loosen the splined nut and lower acorn nut. (DO NOT loosen the top left acorn nut. This is used only for setting the zero calibration.) 2. Use a 5/16” nutdriver or flat blade screwdriver to turn the adjustment screw until the pointer points to the required head/air setting number. 3. Tighten the splined nut and lower acorn nut. Securely attach the copper oil line to the nozzle line flare fitting.
Instruction Manual – Model NX Oil Burner Beckett Adjust, pipe, & wire burner Connect fuel lines (continued) Mount burner on appliance Mounting options • Bolt the burner to the appliance using the factory-mounted flange or an adjustable flange. Mounting dimensions • • • When using the Beckett universal adjustable flange, mount the air tube at a 2° downward pitch unless otherwise specified by the appliance manufacturer.
Beckett Instruction Manual – Model NX Oil Burner Adjust, pipe, & wire burner Wire burner Covered burners Burner packaged with appliance • Refer to appliance manufacturer’s wiring diagram for electrical connections. Burner applied at jobsite • Refer to Figure 6, page 9, for typical burner wiring, showing cad cell primary controls. Burner wiring may vary, depending on primary control actually used. The oil valve shown in Figure 6 is the typical arrangement for NX burners.
Instruction Manual – Model NX Oil Burner Start up & adjust burner Start up burner/set combustion Beckett Service & maintain burner Perform regular maintenance WARNING Do not attempt to start the burner when excess fuel or vapor WARNING This equipment must be serviced only by a qualified service has accumulated in the appliance. Starting the burner under these conditions agency. The appropriate test instruments must be used.
Beckett Instruction Manual – Model NX Oil Burner Replacement parts SK9671 Item 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Description Air adjustment mechanism assembly Air guide Air tube combination Screws, air tube mounting #8 x 3/8 Blower wheel Burner housing assembly Connector tube assembly, 11” Coupling Door, rear access Electrode insulator kit Flange, universal adjustable Fuel unit A2EA6520N621L (CleanCut) (Note 1) Mounting screws ¼ -20 x 7/8” Gasket, igniter baseplate Gasket, rear access door Gasket, wirin
Instruction Manual – Model NX Oil Burner Beckett Service & maintain burner Owner service and maintenance Owner’s information Properly installed and maintained, your NX burner will provide years of efficient, trouble-free operation.
